DAMPER AND AUTOMOTIVE SEAT WITH DAMPER Russian patent published in 2012 - IPC F16F9/14 B60N2/427 B60N2/48 F16F9/34 F16F9/50 

FIELD: machine building.

SUBSTANCE: damper comprises reservoir to accommodate viscous fluid. Web divides reservoir inner into two chambers. Opening made in web allows communication between said chambers via variable-cross-section adjustable duct. Said opening is provided with viscous fluid restrictor. The latter comprises adjustable duct shaping element with through hole arranged to displace linearly. Annular elastic element is arranged between shaping element face and web side surface. Seat comprises backrest, headrest, actuator and retainer. Unlocking appliance incorporates mechanism for converting load in rotation and mechanism incorporating said damper.

EFFECT: damper stiffness adjusted in response to impact force, adjustable headrest.

25 cl, 23 dwg