MECHANISM TO ADJUST FIX RAKE OF VEHICLE SEAT BACKREST Russian patent published in 2006 - IPC B60N2/225 

FIELD: automotive industry.

SUBSTANCE: proposed mechanism to adjust and fix rake of vehicle seat backrest relative to seat cushion consists of movable member with central bushing connected with fixed member, provided with stepped hole, by means of gear train consisting of internal gear rim of movable member and external gear rim of fixed member set into motion by two retainers in form of ring eccentric sectors arranged in central stepped hole of fixed member and intercoupled by wide ends with ring spring, and by narrow ends interacting with lever of carrier made from of bushing with hex hole. Balls in cage are installed in central hole of fixed member between eccentric sectors and wall of narrow part of stepped hole, uniformly over circumference. Bushing of carrier is provided with lock mechanism made in form of lobes with ring catches in end uniformly in end uniformly arranged over circumference on end face of bushing pointed to side of movable member of mechanism for engagement with disk secured on end face of movable member of mechanism. Said bushing with hex hole is made of plastics.

EFFECT: improved serviceability of mechanism by decreasing force to be applied to control handle.

5 dwg