DRIVER SEAT Russian patent published in 2012 - IPC B60N2/50 F16F15/04 

FIELD: transport.

SUBSTANCE: invention relates to seat design. Seat comprises base, carcass with pad and backrest interconnected by guide. Helical coil spring is arranged at the center to rest, by one end, upon suspension top cover, and, by opposite end, on hydraulic damper circular flange. Elastic sleeves from elastomer are arranged atop and at bottom of said spring, one of said sleeves being fitted in bottom thrust flange ear while another one is fitted in suspension top cover. Axle is locked in cover bracket. Said damper is formed by two aligned cylindrical shells. Tight annular chamber is formed between outer and inner shells. Chamber top section is closed by moving annular flange with seals while bottom chamber is tightly closed by annular washer. Annular chamber accommodates annular piston with throttling holes. Said piston is articulated with annular flange whereon thrusts the spring. Guide rod is located coaxial with said shells. Rod bottom end is rigidly coupled with bottom thrust flange. Rod top end support thrust element from elastomer secured thereto to interact with thrust arranged atop suspension cover.

EFFECT: higher efficiency of vibration isolation.

2 dwg