Adjustable lumbar support with remote push-button control

摘要: Presentation of an improved adjustable lumbar support mechanism with a remote control push-button and cable (10) for use in seat backrest. The is routed to hydraulic (or pneumatic) positioning cylinder (12) which has locking capability integral spring-load force permanently preload panel (20) direction opposing the pressure from occupant's back. A new principle operation "manual" utilized, human's back used conveniently readjust position (counterbalancing spring), not operator's hand. system fast-acting device compared traditional knob-driven units permits frequent, quick, easy readjustment whenever depressed.