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:
Nov. 26, 2019
Filed:
Feb. 21, 2018
Applicant:
Peigen Jiang, Sammamish, WA (US);
Inventor:
Peigen Jiang, Sammamish, WA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 22/02 (2006.01); A63B 21/02 (2006.01); A63B 21/22 (2006.01);
U.S. Cl.
CPC ...
A63B 22/02 (2013.01); A63B 21/02 (2013.01); A63B 21/22 (2013.01);
Abstract
A passive-type treadmill is disclosed which includes a closed-loop belt rolling around a first and a second roller for providing a running platform, the first and second rollers being space apart, a resistance wheel contacting the first roller for providing resistance to the rotation of the first roller, the resistance wheel being capable of rotating around a shaft, and a spring urging the shaft and thus the resistance wheel against the first roller.