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.

Date of Patent:
Jan. 28, 2025

Filed:

Feb. 23, 2021
Applicant:

Kabo Tool Company, Taichung, TW;

Inventor:

Chih-Ching Hsieh, Taichung, TW;

Assignee:

KABO TOOL COMPANY, Taichung, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B 13/46 (2006.01); F16D 71/04 (2006.01);
U.S. Cl.
CPC ...
B25B 13/463 (2013.01); B25B 13/462 (2013.01); F16D 71/04 (2013.01);
Abstract

A roller wrench including a body with a circular chamber; a driving member with multiple sides capable of rotating in the chamber; a plurality of rollers installed in the chamber and located between a side of the driving member and a peripheral wall of the chamber; and a reversing knob capable of driving the rollers to move. Each of the sides of the driving member has a central area, a concave latching surface is respectively provided on two sides of the central area, and a concave state of each of the latching surfaces is gradually concaved inwardly from an inner side to an outer side. When each of the rollers is located on one edge of each of the sides, a peripheral surface of the roller contacts with the latching surface and the peripheral wall of the chamber; the body, rollers and driving member are latched with one another.


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