Back to results
US 6,913,316 B2Granted
Chair
AssigneeKokuyo Co., Ltd.
InventorsYojiro Kinoshita, Nobuyuki Ueda
Life of this patent
Estimating the term…
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
Claims12
A chair comprising:
- a seat face having a front portion and a rear portion;
- a seat frame supporting the front portion of the seat face;
- a back support having an upper portion and a lower portion;
- an upper frame supporting the upper portion of the back support, the upper frame being rotatably supported by a supporting member;
- an inclining body supporting the rear portion of the seat face, wherein the inclining body is supported by the supporting member so as to be rotatable independently of the seat frame and the upper frame, the inclining body having a lumbar support portion that supports the lower portion of the back support;
- wherein an upward movement of the rear portion of the seat face to the front portion of the seat face, caused by inclining the inclining body without moving the seat frame and the upper frame, occurs with a forward projection of the lower portion of the back support to transform the back support.
3 more elements
Dependencies are inferred from the claim text.