Chair having a movable seat

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12245702
APP PUB NO 20230108179A1
SERIAL NO

17944753

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The chair can attain smooth movement of a seat by using a rolling surface. The chair includes an upper base unit (31) and a lower base unit (32) facing each other, and a seat (1) that is provided in the upper base unit (31) and swings when the upper base unit (31) rolls with respect to the lower base unit (32), and the upper base unit (31), which is at least one of the upper base unit (31) and the lower base unit (32), includes a rolling surface (312a) being curved. In the chair, a region having a different curvature exists in a part of the rolling surface (312a), and an elastic member (33) is interposed between the region having the different curvature and a corresponding region of an opposing surface.

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First Claim

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Family

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Patent Owner(s)

  • KOKUYO CO., LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayashi, Katsuaki Osaka, JP 13 76

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