Abstract

a) of the bolt bearing raceway groove defines a non-constant height (H(y)) between upper and lower guide edges (18, 19) that varies as a function of the distance (y) from the firing chamber body (16), said profile comprising a velocity control portion with a slope (P) configured to impart a braking effect on the bolt during its sliding movement to slow down the rate of fire.

IPC Classes  ?

• F41A 3/66 - Breech housings or frames; Receivers
• F41A 3/64 - Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
• F41A 3/50 - Toggle-joint locks, e.g. crank-operated
• F41A 3/78 - Bolt buffer or recuperator means

Abstract

The mechanism comprises a main frame (1) and its extension (1′), which accommodate a barrel (21) with fixed mounting, a mobile bolt (22) and its guiding pin ensemble (66) and main spring (67) moving in the main frame (1), a mobile mass (34) and its assembly of guiding pin (60), push plate (61) and return spring (62), and a mobile mass catch sear (42) and its spring (7). The mobile mass pivots from a first position under the barrel to a downward position in reaction to the backward movement of the mobile bolt. The placement of the mobile mass in front of the chamber directs counteracting forces down on the barrel to prevent muzzle climb during operation.

IPC Classes  ?

• F41A 3/38 - Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrrel or breech housing having rocking locking elements, e.g. pivoting levers or vanes

Abstract

The invention relates to a sighting device containing at least one self-luminous light source and at least one element made of a light-guiding and/or light-collecting material. Preferably, the self-luminous light source is embodied as a tube or ring and this light source is arranged in at least a portion of the length of the tube or ring, or along its entirety, and most preferably uses a tritium gas-containing element.

IPC Classes  ?

• G01C 3/00 - Measuring distances in line of sight; Optical rangefinders
• F41G 1/32 - Night sights, e.g. luminescent
• F41G 1/34 - Night sights, e.g. luminescent combined with light source, e.g. spot light
• F41G 1/42 - Tube sights; Bar sights

Abstract

The invention comprises improved designs in a recoil control device comprising a bolt and slider for use in a variety of firearms. In one embodiment, the bolt and slider are articulated so that the displacement of the bolt results in a force component accompanying the slider as it moves along a slider path that traverses a line formed by a linear firing axis of the barrel of the firearm. The slider can have additional structural and functional features, including stabilizing features, vibrational damping elements, elements of the fire control mechanism, and devices to manage the peak impulse of the slider movement as it contacts a base or terminus point.

IPC Classes  ?

• F41A 3/10 - Block action, i.e. the main breech opening movement being transverse to the barrel axis with sliding breech-block, e.g. vertically

Abstract

The mechanism comprises a main frame (1) and its extension (1′), which accommodate a barrel (21) with fixed mounting, a mobile bolt (22) and its guiding pin ensemble (66) and main spring (67) moving in the main frame (1), a mobile mass (34) and its assembly of guiding pin (60), push plate (61) and return spring (62), and a mobile mass catch sear (42) and its spring (7). The mobile mass pivots from a first position under the barrel to a downward position in reaction to the backward movement of the mobile bolt. The placement of the mobile mass in front of the chamber directs counteracting forces down on the barrel to prevent muzzle climb during operation.

IPC Classes  ?

• F41A 3/50 - Toggle-joint locks, e.g. crank-operated