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 9445959 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 20, 2016

Filed:

Dec. 03, 2014
Applicants:

Joon-hyung Kim, Seoul, KR;

Tae-ho Kang, Seoul, KR;

Inventors:

Joon-Hyung Kim, Seoul, KR;

Tae-Ho Kang, Seoul, KR;

Assignee:

Other;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61G 5/04 (2013.01); B62K 3/00 (2006.01); A61G 5/10 (2006.01);
U.S. Cl.
CPC ...
A61G 5/041 (2013.01); A61G 5/1029 (2013.01); B62K 3/00 (2013.01); A61G 5/1075 (2013.01); A61G 2005/1086 (2013.01); A61G 2005/1089 (2013.01); A61G 2203/42 (2013.01);
Abstract

A two-wheeled self-balancing wheelchair is provided, including: a housing having support brackets which are mounted directly below rotary shafts of the motors located at both sides of the bottom side of the housing, rotary shafts of the motors which are drawn out from the housing, and wheels which are mounted to the rotary shafts and rotate in a way as to read an inclination angle of a rider's body; a saddle frame which is mounted on the upper part of the housing; and multipoint supports mounted at the front and rear of the support brackets, each of the multipoint supports having a first hinge part and a second hinge part which are formed at the front ends of the multipoint support to be able to rotate by bolts and are connected with each other through a connection bar and a third hinge part.


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