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 7648445 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 19, 2010

Filed:

Jul. 31, 2009
Applicants:

Chun-ho Chen, Taichung, TW;

Chia-hsiun Chuang, Taichung, TW;

Inventors:

Chun-Ho Chen, Taichung, TW;

Chia-Hsiun Chuang, Taichung, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 22/04 (2006.01); A63B 22/00 (2006.01); A63B 69/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

An elliptical exercise apparatus includes a body having a base frame and two supporting frames uprighted at two opposite sides of the base frame; a pair of lead swing arms each having an upper end pivotally coupled with the corresponding supporting frame wherein a sliding treadle assembly having a lower end provided with a treadle portion is axially slidably attached to the lead swing arm; a pair of subsidiary swing arms each having one end pivotally coupled with the base frame wherein a subsidiary sliding sleeve pivotally coupled with the sliding treadle assembly via a pivot is axially slidably attached to the subsidiary swing arm; and a rotational shaft transversely and pivotally coupled with the base frame, wherein at each of two ends of the rotational shaft, a vertical rotational link has one end coupled with the rotational shaft and an opposite end pivotally coupled with the sliding sleeve.


Find Patent Forward Citations

Chen, Chun-Ho. (2010). Elliptical exercise apparatus (U.S. Patent No. 7648445). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7648445

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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