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:
Dec. 29, 2015

Filed:

Jul. 29, 2014
Applicant:

Yung Fong Tools Co., Ltd., Taichung, TW;

Inventor:

Tzu-Chun Chen, Taichung, TW;

Assignee:

YUNG FONG TOOLS CO., LTD., East Dist., Taichung, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B 23/16 (2006.01); B25B 23/00 (2006.01); B25B 13/48 (2006.01);
U.S. Cl.
CPC ...
B25B 23/0028 (2013.01); B25B 13/481 (2013.01); B25B 23/16 (2013.01);
Abstract

An angle adjusting device for a wrench contains: an operating handle, a connecting head, an accommodating cavity, and a driving member. The driving member has a toothed portion arranged in the accommodating cavity. The accommodating cavity has two orifices defined on two extending arms thereof, and the toothed portion has an aperture for corresponding to the two orifices, such that a coupling post is inserted into the two orifices and the aperture. The accommodating cavity also has a notch, and the connecting head has a trough accommodating a first resilient element and a pressing member. The notch accommodates a second resilient element and a retainer, the retainer has a cutout and an indentation defined on one side of the cutout. The pressing member has a small-diameter column extending outwardly from a central position thereof and a circular retaining tab arranged on a rear end of the small-diameter column.


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