Patent ID: 8333141
Filing Date: 2012-12-18
Classification: F41A

Abstract:
1. A recoil absorbing assembly for automatic weapons secured to a weapon cradle having an fixed portion ( 1 ) and a portion ( 2 ) movable longitudinally thereto, wherein the fixed cradle portion is rotatably mounted to a support, and wherein the assembly comprises a recoil absorbing spring ( 3 ) and a friction device ( 4 , 5 ) arranged in connection with the cradle portions, wherein the friction device includes a main shaft ( 4 ) provided with angled friction blocks ( 6 , 7 ) and a movable bearing housing ( 5 ) surrounding the main shaft, wherein the bearing housing ( 5 ) comprises free floating pistons ( 8 , 9 ) arranged in the bearing housing ( 5 ) and spring biased against the friction blocks, the recoil absorbing spring ( 3 ) being situated on the main shaft in elongation of the bearing housing, wherein the main shaft ( 4 ) is provided with a mechanism ( 10 , 11 ) that tunes the friction by pushing the friction blocks ( 6 , 7 ) outwards, the friction tuning mechanism includes a shaft portion ( 10 ) longitudinally movable using a tension sleeve ( 11 ) arranged in an end of the main shaft ( 4 ) opposite of the friction blocks ( 6 , 7 ).