A lock assembly includes a lock body and a U-shaped shackle having a curved portion extending between first and second legs receivable in first and second shackle apertures in an upper portion of the lockbox body. The shackle has a guard wall affixed to an interior surface of the curved portion, the guard wall defining an interior arcuate wall surface extending forward and rearward from a central plane bisecting the shackle. The upper portion of the lock body includes first and second protruding projections at least partially surrounding the first and second shackle apertures and defining first and second upwardly diverging interior surfaces laterally aligned with the curved portion of the shackle. The lock body includes a latching mechanism configured to secure the shackle in a plurality of latched positions to adjust a distance between the first and second upwardly diverging interior surfaces and the curved portion of the shackle. When the shackle is secured around a door handle with the shackle secured in a suitable one of the plurality of latched positions, abutment of the interior arcuate wall surface with a neck portion of the door handle impedes forward and rearward rotation of the lock assembly about a horizontal axis extending through the curved portion of the shackle and abutment of the first and second upwardly diverging interior surfaces with a neck portion of the door handle impedes side-to-side twisting rotation of the lock assembly about a vertical axis extending through the curved portion of the shackle.
A padlock includes a lock body, a shackle receivable in first and second shackle openings in the lock body, and a locking mechanism disposed in the lock body. The locking mechanism includes at least one locking member, a key cylinder rotatable between a locked position and an unlocked position, an actuator assembled with the key cylinder for co-rotation therewith, and a torsion spring having a first end engaging the lock body and a second end engaging the actuator to rotationally bias the key cylinder toward the locked position. The actuator includes a projection that engages a portion of the lock body when the key cylinder is in a locked position, and a blocker portion aligned with the at least one locking member to hold the at least one locking member in locking engagement with the shackle when the key cylinder is in the locked position.
A lockable enclosure includes a housing and an access door assembled with the housing and movable between a closed position and an open position. A latch is carried by the access door and is slideable along a first axis between a door latching and a door releasing position. A plurality of dials are carried by the access door and rotatable about a post extending along a second axis. When each of the plurality of dials is rotated to an unlocking orientation, an outer peripheral recess on each of the dials aligns with a corresponding dial engaging portion of the latch, allowing the latch to slide along the first axis from the door latching position to the door releasing position.
E05B 37/02 - Serrures à permutation; Serrures à combinaisons avec disques ou anneaux à gorges disposés sur un axe unique, chaque disque étant réglable indépendamment des autres
E05B 17/10 - Dispositifs d'éclairage sur ou pour les serrures ou clés
E05B 67/06 - Anses de cadenas; Disposition de l'anse
Disclosed are methods and devices for securely updating firmware of locking devices. One method includes receiving a lock identifier from a locking device; determining that the lock identifier is associated with a user profile by comparing the lock identifier to a set of lock identifiers; receiving a firmware update packet from a server, wherein the firmware packet is encrypted by a lock key; transmitting the firmware update packet to the lock; decrypting the firmware update using the lock key; validating the encrypted firmware update; and installing the firmware update.
G06F 21/00 - Dispositions de sécurité pour protéger les calculateurs, leurs composants, les programmes ou les données contre une activité non autorisée
5.
COMBINATION LOCKS WITH IMPROVED CODE-CHANGING FEATURES
A combination locking arrangement includes a locking member, at least first and second tumbler discs, a dial, and a code change mechanism. When each of the tumbler discs is rotated to an unlocking orientation, the locking member is movable from a locking position to a releasing position. The dial is rotatable about a tumbler disc axis for selective rotation of the at least first and second tumbler discs. The dial includes a clutch rotationally securable in interlocking engagement with the first tumbler disc. The code change mechanism is rotatable to a code change position to separate the clutch from the first tumbler disc, such that the dial is subsequently rotatable to rotate the clutch with respect to the first tumbler disc.
E05B 37/08 - Serrures à permutation; Serrures à combinaisons avec disques à gorges montés sur un axe unique, tous les disques étant réglables par un bouton tournant sans déplacement de translation
In a method of managing access codes, a product is provided with an access restricting mechanism configured to permit operation of the product in response to entry of either one of first and second access codes using a code interface. The first access code is displayed on the product without displaying the second access code on the product. The second access code is identified to a user in response to user input of at least one of the first access code and a serial number into a terminal in communication with an electronically accessible code storage unit associating the second access code with the at least one of the first access code and the serial number.
An electromechanical lock includes a lock body and a locking mechanism disposed in the lock body. The locking mechanism includes a blocker, first and second cams, and a motor. The blocker is movable between a locked position and an unlocked position. The first cam is rotatable about a first axis between a blocker obstructing position and a blocker clearance position. The second cam is rotatable about a second axis, spaced apart from the first axis, to move the first cam between the blocker obstructing position and the blocker clearance position. The motor is coupled to the second cam to rotate the second cam in response to an electrical authorization signal supplied to the motor.
A locking device includes a shaft, a locking head joined to the shaft, and a lock body having a lock opening for receiving a locking end of the shaft. A latch member is disposed within the lock body and includes a shaft aperture for receiving the locking end of the shaft therethrough. The shaft aperture includes an edge portion spring biased radially inward of the lock opening to engage the recessed portion with the edge portion when the locking end of the shaft is disposed in the lock opening. A locking member is disposed within the lock body. Rotation of the locking member from a locked condition to an unlocked condition moves the edge portion of the shaft aperture out of engagement with the recessed portion of the shaft to permit withdrawal of the shaft from the lock opening.
B62D 53/04 - Combinaisons tracteur-remorque; Trains routiers comprenant un véhicule portant la partie essentielle de la charge de l'autre véhicule par support de la partie avant ou arrière de cet autre véhicule
A padlock includes a lock body, shackle, locking mecha-nism and latch member. The latch member includes a laterally outermost shackle engaging portion that lockingly engages a recess in the shackle when the locking mechanism is in a locked condition and is disengageable from the recess when the locking mechanism is in an unlocked condition. The latch member is sized such that upward facing surfaces of the latch member that align with a circumferential edge of a shackle opening are lim-ited to a notch laterally aligned with a laterally innermost portion of the cir-cumferential edge when the shackle engaging portion is in a normal lock-ing engagement with the recess.
E05B 37/06 - Serrures à permutation; Serrures à combinaisons avec disques à gorges montés sur un axe unique, tous les disques étant réglables par la rotation d'un bouton mobile dans des cadenas
E05B 33/00 - Serrures cylindriques à gorges qui sont mises en place par l'introduction de la clé et dont le pêne est actionné par des moyens autres que la clé
E05B 37/10 - Serrures à permutation; Serrures à combinaisons avec disques à gorges montés sur un axe unique, tous les disques étant réglables par un bouton tournant sans déplacement de translation dans des cadenas
A pin tumbler cylinder lock includes a shell, a plug, and at least first and second tumbler pins and first and second driver pins. At least the first driver pin extends into a corresponding plug channel when the plug is in a locked condition, such that rotation of the plug with respect to the shell is blocked. The lock is configured such that at least the first driver pin is separated from the first tumbler pin by a gap when the plug is in the locked condition. When the first and second tumbler pins are raised without the proper key and the gap between the first tumbler pin and the first driver pin is eliminated, the second tumbler pin extends across the shear line and into the corresponding shell channel.
A padlock includes a lock body, a shackle, and a sleeve. The lock body includes opposed front and rear longitudinally extending side walls terminating at first and second end portions. The shackle extends from the first end portion of the lock body. The sleeve covers at least a portion of each of the longitudinally extending side walls, and an internal surface of the sleeve includes at least one longitudinally extending rib contacting at least one of the front and rear longitudinally extending side walls to define a gap between the sleeve and the lock body.
A lockout device for securing a toggle switch. The lockout device includes a body, a first clamping surface, a second clamping surface, and a cam. The first clamping surface and the second clamping surface are moveably coupled to the body and are positioned to define a slot for accommodating the toggle switch. The cam is rotateably coupled to the body. When the cam is rotated in a first direction, the cam moves the first clamping surface towards the second clamping surface.
H01H 9/28 - Mécanismes d'interverrouillage, verrouillage ou accrochage pour verrouiller des pièces de l'interrupteur par une clé ou un élément équivalent amovible
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