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:
Oct. 26, 2010
Filed:
Dec. 29, 2006
Jiaxiong Gong, Changzhou, CN;
Ming Yin, Changzhou, CN;
Xiaojun Gong, Changzhou, CN;
Quan Liu, Ames, IA (US);
Xiaoxiang Zhang, La Palma, CA (US);
Yongyong Mao, Shanghai, CN;
Jiaxiong Gong, Changzhou, CN;
Ming Yin, Changzhou, CN;
Xiaojun Gong, Changzhou, CN;
Quan Liu, Ames, IA (US);
Xiaoxiang Zhang, La Palma, CA (US);
Yongyong Mao, Shanghai, CN;
I-Trust Better Life Corp., Buena Park, CA (US);
Abstract
A support frame for use in a lift chair. In one embodiment, the support frame includes a base frame having longitudinally spaced transversely extending front and rear frame base rails; a first longitudinally extending side frame base rail connected to the front and rear frame base rails and a second longitudinally extending side frame base rail connected to the front and rear frame base rails, respectively, the first and second side frame base rails and the front and rear frame base rails being co-planar for supporting the lift chair on a surface; and a force balance member mounted to the rear frame base rail. The force balance member has a transversely extending base portion, a first arm portion extending from the base portion at a first angle α, and an opposite, second arm portion extending from the base portion at a second angle α.