SHOCK-ABSORBING DEVICE OF ARTILLERY PIECE NAVIGATION DEVICE Russian patent published in 2011 - IPC F41G5/16 

FIELD: weapons and ammunition.

SUBSTANCE: shock-absorbing device of an artillery piece navigation device comprises upper and lower platforms, joined by two hinged parallelogram mechanisms spring-loaded in three directions, formed by means of bars arranged at the edges of the platforms, and two pairs of inclined levers that join bars, the latter have S-shaped form produced by deformation of a steel plate stock from mirror reflection by hinged ledges at the ends, and identical profiles relative to the middle point of the common axis in hinged holes. Besides, the distance between hinged ledges of the lever initial plate is 1.7-1.8 times more than the centre-to-centre distance of hinged holes of a finished lever, and a section of the lever that connects identical profiles is inclined towards the common axis of hinged joints at the angle from 90° to 75°.

EFFECT: invention provides high accuracy of the navigation device measurement and reliability of its operation under all operating conditions.

3 cl, 3 dwg