Chair

Details Chair Chair

2005-07-05

2005-07-05

White, Rodney B. (Department: 3636)

Chairs and seats

Back movement resiliently opposed in operating position

Back and seat adjust simultaneously

C297S300100, C297S300400, C297S301100, C297S301200, C297S320000

Reexamination Certificate

active

06913316

ABSTRACT:
In order to provide a chair that can support near a pelvis or a lumbar portion of a person who sits on the chair irrespective of a body proportion the person or a way to sit, a boundary portion K between a back and a seat is arranged to be transformable or movable and the boundary portion K can be fixed at a position where the boundary K pushes against near the pelvis of the person with an operation from outside

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