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. 23, 2007

Filed:

Nov. 12, 2004
Applicant:

Yu-cheng Lin, Taichung, TW;

Inventor:

Yu-Cheng Lin, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 23/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hand tool having: a head provided at an end thereof with an arcuate face and a handle, connected to the head to allow rotational movement in relation to the head. The handle is formed with a first receiving hole, a second receiving hole and a third receiving hole communicating with the second receiving hole. A positioning and locking joint, including: a first stop mechanism is received in the first receiving hole, and has an end constantly urged against one of a plurality of teeth formed on the arcuate face of the head. A second stop mechanism is received in the second receiving hole and has an end selectively engaging one of the teeth on the arcuate face of the head An operative pin is received in the third receiving hole for controlling the second stop mechanism to engage with or disengage from one of the teeth.


Find Patent Forward Citations

Loading…