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.:

US 8864220 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 21, 2014

Filed:

Nov. 04, 2011
Applicant:

Han Joo Kim, Busan, KR;

Inventor:

Han Joo Kim, Busan, KR;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C 4/30 (2006.01); A47C 20/04 (2006.01); A47C 7/50 (2006.01); A47C 1/032 (2006.01); A47C 1/034 (2006.01); A61G 5/14 (2006.01);
U.S. Cl.
CPC ...
A47C 1/032 (2013.01); A61G 5/14 (2013.01); A47C 1/0342 (2013.01);
Abstract

A chair according to an embodiment of the present invention includes a seat frame, a plurality of legs, a backrest and an armrest. The plurality of legs are rotatably coupled to the seat frame at front and rear portions of the seat frame. The backrest is rotatably coupled to the seat frame at the rear portion of the seat frame. The armrest is rotatably coupled to upper ends of the legs. The armrest includes a movable member and a first elastic member. The movable member is retained inside the armrest and is movable along the armrest. The movable member is rotatably coupled to the backrest. The first elastic member is located inside the armrest and applies an elastic restoration force against the movement of the movable member.


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Kim, Han. (2014). Multifunctional chair (U.S. Patent No. 8864220). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8864220

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