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B66C 1/00
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Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles |
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B66C 1/02
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Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by suction means |
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B66C 1/04
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Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by magnetic means |
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B66C 1/06
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Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by magnetic means electromagnetic |
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B66C 1/08
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Circuits therefor |
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B66C 1/10
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Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means |
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B66C 1/12
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Slings comprising chains, wires, ropes, or bands; Nets |
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B66C 1/14
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Slings with hooks |
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B66C 1/16
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Slings with load-engaging platforms or frameworks |
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B66C 1/18
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Band-type slings |
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B66C 1/20
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Slings comprising chains, wires, ropes, or bands; Nets specially adapted for handling vehicles |
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B66C 1/22
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Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks |
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B66C 1/24
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Single members engaging the loads from one side only |
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B66C 1/26
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Single members engaging the loads from one side only with means for releasing the loads |
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B66C 1/28
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Duplicate, e.g. pivoted, members engaging the loads from two sides |
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B66C 1/30
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Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads |
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B66C 1/32
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Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads of piled or stacked articles |
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B66C 1/34
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Crane hooks |
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B66C 1/36
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Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads |
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B66C 1/38
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Crane hooks adapted for automatic disengagement from loads on release of cable tensions |
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B66C 1/40
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Crane hooks formed or fitted with load-measuring or indicating devices |
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B66C 1/42
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Gripping members engaging only the external or internal surface of the articles |
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B66C 1/44
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Gripping members engaging only the external or internal surface of the articles and applying frictional forces |
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B66C 1/46
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Gripping members engaging only the external or internal surface of the articles and applying frictional forces by inflatable elements |
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B66C 1/48
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Gripping members engaging only the external or internal surface of the articles and applying frictional forces to vertical edge portions of sheets, tubes, or like thin or thin-walled articles |
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B66C 1/54
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Internally-expanding grippers for handling hollow articles |
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B66C 1/56
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Internally-expanding grippers for handling hollow articles for handling tubes |
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B66C 1/58
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Gripping members engaging only the external or internal surface of the articles and deforming the articles, e.g. by using gripping members such as tongs or grapples |
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B66C 1/59
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Tongs for sacks |
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B66C 1/62
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Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled |
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B66C 1/64
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Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for T- or I-section beams or girders |
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B66C 1/66
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Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof |
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B66C 1/68
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Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles mounted on, or guided by, jibs |
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B66C 3/00
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Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs |
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B66C 3/02
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Bucket grabs |
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B66C 3/04
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Tine grabs |
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B66C 3/06
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Grabs actuated by a single rope or chain |
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B66C 3/08
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Grabs actuated by a single rope or chain and having tipping rings |
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B66C 3/10
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Grabs actuated by a single rope or chain and having buckets opening automatically upon the grab being lowered on to the dump of material |
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B66C 3/12
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Grabs actuated by two or more ropes |
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B66C 3/14
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Grabs opened or closed by driving motors thereon |
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B66C 3/16
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Grabs opened or closed by driving motors thereon by fluid motors |
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B66C 3/18
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Grabs opened or closed by driving motors thereon by electric motors |
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B66C 3/20
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Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs mounted on, or guided by, jibs |
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B66C 5/00
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Base-supporting structures with legs |
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B66C 5/02
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Fixed or travelling bridges or gantries, i.e. elongated structures of inverted-L- or of inverted-U-shape |
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B66C 5/04
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Fixed or travelling bridges or gantries, i.e. elongated structures of inverted-L- or of inverted-U-shape with runways or tracks supported for movements relative to bridge or gantry |
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B66C 5/06
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Fixed or travelling bridges or gantries, i.e. elongated structures of inverted-L- or of inverted-U-shape with runways or tracks supported for lateral swinging movements |
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B66C 5/08
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Fixed or travelling bridges or gantries, i.e. elongated structures of inverted-L- or of inverted-U-shape with vertically-inclinable runways or tracks |
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B66C 5/10
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Portals, i.e. essentially circular or square platforms with three or more legs specially adapted for supporting slewing jib cranes |
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B66C 6/00
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Girders, or track-supporting structures, specially adapted for cranes |
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B66C 7/00
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Runways, tracks, or trackways for trolleys or cranes |
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B66C 7/02
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Runways, tracks, or trackways for trolleys or cranes for underhung trolleys or cranes |
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B66C 7/04
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Trackway suspension |
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B66C 7/06
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Trackway suspension on supports constructed for easy erection, e.g. transportable |
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B66C 7/08
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Constructional features of runway rails or rail mountings |
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B66C 7/10
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Arrangements or devices for extending runways or tracks |
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B66C 7/12
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Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges |
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B66C 7/14
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Runway interlocking devices |
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B66C 7/16
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Devices specially adapted for limiting trolley or crane travel; Arrangements of buffer-stops |
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B66C 9/00
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Travelling gear incorporated in, or fitted to, trolleys or cranes |
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B66C 9/02
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Travelling gear incorporated in, or fitted to, trolleys or cranes for underhung trolleys or cranes |
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B66C 9/04
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Travelling gear incorporated in, or fitted to, trolleys or cranes to facilitate negotiation of curves |
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B66C 9/06
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Travelling gear incorporated in, or fitted to, trolleys or cranes for more than one rail gauge |
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B66C 9/08
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Runners; Runner bearings |
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B66C 9/10
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Undercarriages or bogies, e.g. end carriages, end bogies |
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B66C 9/12
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Undercarriages or bogies, e.g. end carriages, end bogies with load-distributing means for equalising wheel pressure |
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B66C 9/14
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Trolley or crane travel drives |
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B66C 9/16
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Travelling gear incorporated in, or fitted to, trolleys or cranes with means for maintaining alignment between wheels and track |
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B66C 9/18
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Travelling gear incorporated in, or fitted to, trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements |
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B66C 11/00
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Trolleys or crabs, e.g. operating above runways |
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B66C 11/02
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Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track |
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B66C 11/04
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Underhung trolleys |
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B66C 11/06
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Underhung trolleys running on monorails |
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B66C 11/08
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Trolleys or crabs, e.g. operating above runways with turntables |
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B66C 11/10
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Trolleys or crabs, e.g. operating above runways with turntables equipped with jibs |
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B66C 11/12
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Trolleys or crabs, e.g. operating above runways having hoisting gear adapted to special load-engaging elements and not otherwise provided for |
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B66C 11/14
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Trolleys or crabs, e.g. operating above runways adapted to operate on crane or bridge structure of particular configuration, e.g. on reinforced concrete girders of rectangular cross-section |
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B66C 11/16
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Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear |
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B66C 11/18
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Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear comprising endless ropes or cables |
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B66C 11/20
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Arrangements, e.g. comprising differential gears, enabling simultaneous or selective operation of travelling and hoisting gear; Arrangements using the same rope or cable for both travelling and hoisting, e.g. in Temperley cranes |
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B66C 11/22
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Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear actuated pneumatically or hydraulically |
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B66C 11/24
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Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear with means for locating or sustaining the loads or trolleys in predetermined positions; Hay hoists |
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B66C 11/26
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Abutments; Stop blocks; End stops |
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B66C 13/00
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Other constructional features or details |
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B66C 13/02
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Devices for facilitating retrieval of floating objects, e.g. for recovering craft from water |
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B66C 13/04
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Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack |
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B66C 13/06
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Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads |
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B66C 13/08
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Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack for depositing loads in desired attitudes or positions |
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B66C 13/10
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Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack for preventing cable slack |
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B66C 13/12
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Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts or devices |
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B66C 13/14
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Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts or devices to load-engaging elements or motors associated therewith |
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B66C 13/16
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Applications of indicating, registering, or weighing devices |
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B66C 13/18
|
Control systems or devices |
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B66C 13/20
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Control systems or devices for non-electric drives |
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B66C 13/22
|
Control systems or devices for electric drives |
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B66C 13/23
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Circuits for controlling the lowering of the load |
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B66C 13/24
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Circuits for controlling the lowering of the load by dc motors |
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B66C 13/26
|
Circuits for controlling the lowering of the load by ac motors |
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B66C 13/28
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Circuits for controlling the lowering of the load by ac motors utilising regenerative braking for controlling descent of heavy loads and having means for preventing rotation of motor in the hoisting direction when load is released |
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B66C 13/30
|
Circuits for braking, traversing, or slewing motors |
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B66C 13/32
|
Control systems or devices for electric drives for operating grab-bucket hoists by means of one or more electric motors used both for hoisting and lowering the loads and for opening and closing the bucket jaws |
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B66C 13/34
|
Control systems or devices for electric drives for operating grab-bucket hoists by means of one or more electric motors used both for hoisting and lowering the loads and for opening and closing the bucket jaws through differential or planetary gearing |
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B66C 13/36
|
Single-motor-drive control systems |
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B66C 13/38
|
Systems controlling independent motors |
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B66C 13/40
|
Applications of devices for transmitting control pulses; Applications of remote control devices |
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B66C 13/42
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Hydraulic transmitters |
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B66C 13/44
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Electrical transmitters |
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B66C 13/46
|
Position indicators for suspended loads or for crane elements |
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B66C 13/48
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Automatic control of crane drives for producing a single or repeated working cycle; Programme control |
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B66C 13/50
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Applications of limit circuits or of limit-switch arrangements |
|
B66C 13/52
|
Other constructional features or details - Details of compartments for driving engines or motors or of operator's stands or cabins |
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B66C 13/54
|
Operator's stands or cabins |
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B66C 13/56
|
Arrangements of handles or pedals |
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B66C 15/00
|
Safety gear |
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B66C 15/02
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Safety gear for retaining load-engaging elements in the event of rope or cable breakage |
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B66C 15/04
|
Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track |
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B66C 15/06
|
Arrangements or use of warning devices |
|
B66C 17/00
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports |
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B66C 17/04
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks |
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B66C 17/06
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports combined with auxiliary apparatus serving particular purposes |
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B66C 17/08
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports combined with auxiliary apparatus serving particular purposes for charging treatment chambers, e.g. furnaces, kilns, ovens |
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B66C 17/10
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports combined with auxiliary apparatus serving particular purposes for transporting ladles |
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B66C 17/12
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports combined with auxiliary apparatus serving particular purposes for handling workpieces, e.g. ingots, which require to be supported temporarily within, or withdrawn from, a treatment chamber, e.g. tong cranes, soaking-pit cranes, stripper cranes |
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B66C 17/14
|
Tong cranes with means for moving article-pushers relative to the tongs |
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B66C 17/16
|
Tong cranes with means for turning the tongs about a vertical axis |
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B66C 17/18
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports combined with auxiliary apparatus serving particular purposes for manipulating workpieces during forging operations |
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B66C 17/20
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports combined with auxiliary apparatus serving particular purposes for hoisting or lowering heavy load carriers, e.g. freight containers, railway wagons |
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B66C 17/22
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports combined with auxiliary apparatus serving particular purposes for hoisting or lowering locomotives |
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B66C 17/24
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports combined with auxiliary apparatus serving particular purposes for building ships on slipways |
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B66C 17/26
|
Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports combined with auxiliary apparatus serving particular purposes combined with auxiliary apparatus, e.g. log saws, pushers for unloading vehicles, means for shunting railway vehicles |
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B66C 19/00
|
Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries |
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B66C 19/02
|
Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries collapsible |
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B66C 21/00
|
Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways |
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B66C 21/02
|
Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways with cable-ways supported on framework swingably connected to ground-engaging elements |
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B66C 21/04
|
Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways with cable-ways supported at one end or both ends on bodily-movable framework, e.g. framework mounted on rail track |
|
B66C 21/06
|
Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways with cable-ways supported at one end or both ends on bodily-movable framework, e.g. framework mounted on rail track with one end supported on a framework movable in a curved, e.g. circular, path and the other end by a column rotatable around a vertical axis |
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B66C 21/08
|
Sag carriers or rope trolleys, suspended or not, e.g. fixed but offering clearance for travelling gear |
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B66C 21/10
|
Sag carriers or rope trolleys, suspended or not, e.g. fixed but offering clearance for travelling gear travelling |
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B66C 23/00
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes |
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B66C 23/02
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with non-adjustable and non-inclinable jibs mounted solely for slewing movements |
|
B66C 23/04
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible |
|
B66C 23/06
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs mounted for jibbing or luffing movements |
|
B66C 23/08
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths |
|
B66C 23/10
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib cranes |
|
B66C 23/12
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib cranes with means for automatically varying the effective length of the hoisting rope or cable |
|
B66C 23/14
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib cranes with means, e.g. pantograph arrangements, for varying jib configuration |
|
B66C 23/16
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements |
|
B66C 23/18
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes |
|
B66C 23/20
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes with supporting couples provided by walls of buildings or like structures |
|
B66C 23/22
|
Window cranes, i.e. adapted to be supported in window openings |
|
B66C 23/24
|
Mobile wall cranes |
|
B66C 23/26
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail |
|
B66C 23/28
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels |
|
B66C 23/30
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of telescopic elements |
|
B66C 23/32
|
Self-hoisting cranes |
|
B66C 23/34
|
Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes |
|
B66C 23/36
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes mounted on road or rail vehicles; Manually-movable jib cranes for use in workshops; Floating cranes |
|
B66C 23/38
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes mounted on road or rail vehicles; Manually-movable jib cranes for use in workshops; Floating cranes with separate prime movers for crane and vehicle |
|
B66C 23/40
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes mounted on road or rail vehicles; Manually-movable jib cranes for use in workshops; Floating cranes with a single prime mover for both crane and vehicle |
|
B66C 23/42
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes mounted on road or rail vehicles; Manually-movable jib cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable |
|
B66C 23/44
|
Jib cranes adapted for attachment to standard vehicles, e.g. agricultural tractors |
|
B66C 23/46
|
Mobile jib cranes with non-slewable jibs |
|
B66C 23/48
|
Manually-movable jib cranes for use in workshops |
|
B66C 23/50
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes mounted on road or rail vehicles; Manually-movable jib cranes for use in workshops; Floating cranes mounted on railway vehicles, e.g. breakdown cranes |
|
B66C 23/52
|
Floating cranes |
|
B66C 23/53
|
Floating cranes including counterweight or means to compensate for list, trim, or skew of the vessel or platform |
|
B66C 23/58
|
Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes arranged to carry-out a desired sequence of operations automatically, e.g. hoisting followed by luffing and slewing |
|
B66C 23/60
|
Derricks |
|
B66C 23/61
|
Derricks with slewing force exerted at pivoted end |
|
B66C 23/62
|
Constructional features or details |
|
B66C 23/64
|
Jibs |
|
B66C 23/66
|
Outer or upper end constructions |
|
B66C 23/68
|
Jibs foldable or otherwise adjustable in configuration |
|
B66C 23/69
|
Jibs telescopic while in use |
|
B66C 23/70
|
Jibs assembled from separate sections to form jibs of various discrete lengths |
|
B66C 23/72
|
Counterweights or supports for balancing lifting couples |
|
B66C 23/74
|
Counterweights or supports for balancing lifting couples separate from jib |
|
B66C 23/76
|
Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib |
|
B66C 23/78
|
Supports, e.g. outriggers, for mobile cranes |
|
B66C 23/80
|
Supports, e.g. outriggers, for mobile cranes hydraulically actuated |
|
B66C 23/82
|
Luffing gear |
|
B66C 23/84
|
Slewing gear |
|
B66C 23/86
|
Slewing gear hydraulically actuated |
|
B66C 23/88
|
Safety gear |
|
B66C 23/90
|
Devices for indicating or limiting lifting movement |
|
B66C 23/92
|
Snubbers or dash-pots for preventing backwards-swinging of jibs, e.g. in the event of cable or tackle breakage |
|
B66C 23/94
|
Safety gear for limiting slewing movements |
|
B66C 23/683
|
Jibs foldable or otherwise adjustable in configuration while in use |
|
B66C 23/687
|
Jibs telescopic |
|
B66C 23/693
|
Jibs telescopic while in use extensible by fluid pressure |
|
B66C 23/697
|
Jibs telescopic providing bearing means between sections |
|
B66C 25/00
|
Cranes not provided for in groups |
