The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 2021
Filed:
Jun. 20, 2017
Kokuyo Co., Ltd., Osaka, JP;
Takano Co., Ltd., Nagano, JP;
Toshiki Yajima, Osaka, JP;
Takao Sugano, Osaka, JP;
Tomoaki Ichikawa, Kamiina-gun, JP;
Kenta Shiozawa, Kamiina-gun, JP;
Kensuke Nakamura, Kamiina-gun, JP;
KOKUYO CO., LTD., Osaka, JP;
TAKANO CO., LTD., Nagano, JP;
Abstract
[Problem] Provided is a chair capable of changing an operation of a movable part between allowed and suppressed states, without causing an up-down movement of a seat or without requiring a complicated structure relying on a back. [Solution] For that purpose, a weight-receiving part, the height position of which changes due to a person sitting on a seat surface, is provided on a seat, the change of the height position is mechanically transmitted to a control mechanismX configured to control an operation of a front-rear swing partbeing the movable part, and the control mechanismX changes an operation of the front-rear swing part-being the movable part between allowed and suppressed states.