Vehicle seat which is adjustable in height and wit

专利名称：Vehicle seat which is adjustable in height and

with automatic weight adjustment

发明人：Johann Meier,Johann Grassl,Josef Dotzler申请号：US07/596362申请日：19901012公开号：US05058852A公开日：19911022

摘要：A vehicle seat which is adjustable in height and which affords automaticadjustment to the seat occupant weight comprises a gas spring between a seat frameand a base frame, a valve arrangement actuable by an actuating element to adjust thepressure in the gas spring in dependence on the weight of the seat occupant, and ameans for setting the desired seat height. Disposed between the seat and base frames isa belt reel device with a coupling means, which like the gas spring, can be subjected tothe action of pressure gas from a pressure source. The pressure source comprises acompressor driven by a drive motor, which are disposed on the vehicle seat. The valvearrangement includes a 2/2-way valve which serves only for the release of pressure gasfrom the gas spring, and a 3/2-way valve between the pressure source and the couplingmeans of the belt reel device. The valve arrangement may be mechanical/pneumatic inoperation or may be controlled by an electronic control arrangement.

申请人：GRAMMER AG

代理人：Elliot M. Olstein,Raymond J. Lillie

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