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 7413533 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 19, 2008

Filed:

Feb. 08, 2006
Applicant:

William Lin, Taichung, TW;

Inventor:

William Lin, Taichung, TW;

Assignee:

ASAI Regent Limited, Taichung, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B 21/072 (2006.01); A63B 21/075 (2006.01);
U.S. Cl.
CPC ...
Abstract

An adjustable dumbbell includes a shaft provided with left- and right-handed threads, two tubes sleeved around and engaging threadedly and respectively the left- and right-handed threads, a hollow grip rod sleeved on the tubes, two support units each having upper and lower support seats disposed above and below one of the tubes, and a plurality of weights each having an engaging hole section engageable with a corresponding tube. Two adjustment knob units are respectively connected to two connecting ends of the shaft to turn the shaft and to thereby move the tubes in opposite directions towards or away from the connecting ends. Each tube is movable between the support seats to selectively engage one or more engaging hole sections of the weights.


Find Patent Forward Citations

Lin, William. (2008). Adjustable dumbbell (U.S. Patent No. 7413533). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7413533

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

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