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:
Oct. 23, 2001
Filed:
Mar. 30, 2000
Yong Lung Wei, Taichung, TW;
Other;
Abstract
A ratchet tool includes a handle with a tubular member extending therefrom in which a cylindrical member is received. A sleeve is rotatably mounted to the cylindrical member. The cylindrical member has three plain surface defined in a periphery thereof and the sleeve has an inner tube which is inserted between the cylindrical member and the tubular member. The cylindrical member has three plain surfaces and the inner tube has three recesses, each recess having a roller retained therein between the inner tube and the cylindrical member. When rotating the sleeve, the rollers contact the plain surfaces so as to let the tool be rotated in one way, and the sleeve is fixedly connected to the cylindrical member when the periphery of the cylindrical member contacts the rollers.