VEHICLE SEAT Russian patent published in 1996 - IPC

FIELD: transport engineering; tractor seats. SUBSTANCE: seat has movable part with base of cushion 1 and fixed part with body 2 of suspension which are interconnected by movable support members 3,4 hinge-connected by one end on base and by other end, on suspension body. Movable part of suspension has additional pair of members 13 whose lower ends are connected by cross axle with rollers fitted on ends. Rollers are encased by guides fixed on suspension body 2. Cross axle is coupled with shock absorbing limiter installed on end of adjusting screw 18 fitted in support. Handle is installed on other end of screw 18. Mounted on screw 18 between support and limiter is crossmember connected with cross axle by springs (resilient spring member of seat). Rigidity of seat resilient spring member is adjusted by handle. EFFECT: enlarged operating capabilities. 8 cl, 18 dwg