SELF-PROPELLED OPERATOR SEAT Russian patent published in 2013 - IPC B60N2/50 F16F15/04 

FIELD: transport.

SUBSTANCE: invention relates to machine building. Seat comprises the base, carcass with pad and backrest interconnected with scissors-type guide. Damper is hinged to said carcass and consists of three articulated resilient element. Helical coil spring is arranged at the center to rest, by one end, upon chassis moving parts web and, by opposite end, on hydraulic damper circular flange. Hydraulic damper is composed of two aligned cylindrical inner and outer sleeves that make a tight annular chamber. Chamber top part is closed by moving circular sealed flange. Chamber bottom part is sealed by circular washer resting on bottom eye opening. Circular piston with orifices is arranged for passage of damping fluid. Said piston is articulated with annular flange whereon thrusts the spring. Lower end of guide rod is rigidly jointed with lower shackle while its upper end is locked on aforesaid web by flexible element made from elastomer.

EFFECT: higher efficiency of damping in horizontal direction, simplified design and better performances.

2 dwg