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:
Sep. 07, 2004
Filed:
Dec. 19, 2003
Wen-Sheng Huang, Taipei, TW;
Other;
Abstract
A safety switch of a screwdriver has a driver body. The safety switch of a screw comprises a push unit; a trigger pivotally installed on the driver body; a receiving space being formed within the trigger for receiving the push unit; a safety rod; one end of the safety rod being installed at a lower end of the driver body; and another end of the safety rod being installed below the trigger. The push unit comprises: a torsion spring and a resisting unit pivotally installed to the trigger; one end of the torsion spring resisting against the resisting unit; and a roller pivotally installed to the trigger and installed at a pushed end of a valve rod. By above structure, the screwdriver can be operated safety by controlling the actuation of the safety rod.