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:
Jul. 31, 2007
Filed:
Jul. 16, 2004
Guimo Yang, Shandong Province, CN;
Mingquan Cai, Shandong Province, CN;
Guimo Yang, Shandong Province, CN;
Mingquan Cai, Shandong Province, CN;
Shandong Weida Machinery Co., Ltd., Wendeng, CN;
Abstract
A chuck for use with a manual or powered driver having a chuck body, jaws, a nut, a front sleeve, a rear sleeve, and a nut jacket is provided, wherein the jaws are respectively and operatively inserted into a plurality of angled bores uniformly distributed around the chuck body, the threads of the nut engages with that of the jaws to form a thread driving mechanism, the nut jacket is fixed onto the nut, a toothed member is fixed to the front portion of the chuck body, a plurality of elastic elements are formed at the front end of the nut jacket, a plurality of grooves are formed on the inner circumference wall of the front sleeve, wherein the positioning state of the elastic elements of the nut jacket can be controlled through the grooves of the front sleeve, and locking detents of the nut jacket and ratchets of the toothed member engage to form a locking mechanism, therefore the loosening of the drill tools due to the vibration or impact while using can be prevented.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile