Back supporting device for a motor vehicle seat

Details Back supporting device for a motor vehicle seat Back supporting device for a motor vehicle seat

2006-07-11

2006-07-11

Cranmer, Laurie K. (Department: 3636)

Chairs and seats

Straddle seat

Including an upwardly extending portion at rear of seat

C297S215110, C297S215100, C297S353000

Reexamination Certificate

active

07073854

ABSTRACT:
A back supporting device for a motor vehicle seat includes a pair of hollow left and right sliding rails that are disposed fixedly on two opposite sides of a passenger seat portion disposed immediately behind a driver seat portion. Two slidable elements are received respectively and movably within the left and right sliding rails. Two connecting members are connected respectively and fixedly to the slidable elements, and are disposed outwardly of the left and right sliding rails. Two supporting frames have lower ends connected respectively and pivotally to the connecting members. A backrest is retained on the supporting frames so as to permit the slidable elements to be moved forcibly within the left and right sliding rails. Preferably, the slidable elements are locked respectively and releasably within the left and right sliding rails.

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