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. 17, 2001
Filed:
Nov. 12, 1999
Robert G. Moores, Jr., Reisterstown, MD (US);
Allen Brelsford, Baldwin, MD (US);
John R. Cochran, Baltimore, MD (US);
Black & Decker Inc., Newark, DE (US);
Abstract
A chuck,includes a body,having a plurality of angularly spaced ribs,and,formed in a forward cylindrical opening,thereof. A locking element,is movable within a passage,of the body,and is formed with a defined portion,which is extendable from the passage,through an inboard peak surface,of the rib,and into the opening,An actuator,is coupled to the locking element,and is biased by a spring,to urge normally the defined portion,of the locking element into the opening,A bit,is formed with a shank,with three grooves,and,extending axially to a free end,thereof. A pocket,is formed in a base of each of the grooves,and,The bit,can be manually inserted into the opening,of the chuck,such that the grooves,and,are located drivingly over at least portions of the ribs,and,respectively. In addition, the defined portion,of the locking element,is located biasingly within the pocket,to lock the bit,with the chuck