SELF-PROPELLED MACHINE OPERATOR SEAT Russian patent published in 2012 - IPC B60N2/54 F16F15/04 

FIELD: transport.

SUBSTANCE: invention relates to vibration killers. Proposed seat comprises base, carcass with pad and backrest interconnected by shears-type guide device and damping device articulated with carcass by bracket. Damping device comprise casing rigidly jointed with said base made up of round thrust bearing. Helical spring cylindrical axial-bore limiter rests on said thrust bearing. Said spring interacts with top and bottom limiters via bottom support barrel and spring top external cover rigidly jointed with threaded sleeve. Spring top limiter made up of cylindrical sleeve closing the cover from above is secured on said cover. Screw to connect spring with object protected against vibration is fitted in said threaded sleeve. Casing top is connected with cover. Cover face surface is provided with object dynamic motion limiter made from elastomer. Opening to force viscous lubricant, for example, cup grease, into system is made in cover perpendicular to its axis.

EFFECT: higher efficiency, simplified design and improved operating performances.

2 dwg