Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Reexamination Certificate
2005-12-23
2009-11-10
Cranmer, Laurie K (Department: 3636)
Chairs and seats
Bottom or back with means to alter contour
Providing support for lower back region
C297S284700, C297S284800, C297S452300
Reexamination Certificate
active
07614695
ABSTRACT:
A seat back structure includes a back frame and a flexible sheet-like member. The back frame formed into a frame-like skeleton of a seat has a fixing portion. The flexible sheet-like member is provided within the back frame so as to support a back portion of a passenger. The flexible sheet-like member comprises a first supporting portion that is engaged with the fixing portion to regulate a substantial backward movement of the first supporting portion over a predetermined distance. The first supporting portion is slidable in substantially upper and lower directions with respect to the fixing portion.
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Oosaki Toshirou
Ozawa Terumitu
Satou Kenji
Cranmer Laurie K
Toyota Boshoku Kabushiki Kaisha
Whitham Curtis Christofferson & Cook PC
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