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:
May. 02, 2000
Filed:
Aug. 28, 1998
Applicant:
Inventor:
Fred G Williams, Frederick, MD (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
279150 ; 279 60 ; 279 62 ; 279902 ;
Abstract
A keyless chuck having an outer chuck with spaced grooves, an inner chuck and chuck jaws, where the keyless chuck is mounted on an output shaft of a drill motor. A sleeve locking device mounted between the outer chuck and the drill motor housing, where the sleeve locking device has spaced inner teeth to engage the spaced grooves of the outer chuck to lock the outer chuck stationary, allowing the inner chuck to rotate and opening or closing the chuck jaws to install and remove drill bits.