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. 07, 2006
Filed:
Dec. 21, 2004
Applicant:
Yu-cheng Lin, Taichung, TW;
Inventor:
Yu-Cheng Lin, Taichung, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 13/58 (2006.01); B25B 23/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hand tool having an adjustable head with a joint lock mechanism. The joint lock mechanism includes a first engaging device, a second engaging device, a pull button and a first elastic device. The pull button has a knob portion and an engaging portion beneath the knob portion and the engaging portion engages the second engaging device. The first elastic device is received in a first aperture and abuts against the second engaging device with a forward force such that the front end of the second engaging device is pushed to engage the first engaging device.