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:
Jun. 28, 1977
Filed:
Sep. 20, 1974
Applicant:
Inventors:
Alvydas Petras Karasa, Belair, MD (US);
Stanley Alan Markle, Lutherville, MD (US);
Assignee:
The Black and Decker Manufacturing Company, Towson, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B / ; F16D / ;
U.S. Cl.
CPC ...
279 / ; 81 9 / ; 403349 ; 4082 / ;
Abstract
An improved chuck key and spring pocket for holding the key. The key comprises a sliding cross bar having paddle ends, and the spring pocket cooperates with this cross bar. The pocket opening accepts the key in one orientation only, and then the paddles are used to cam the key tightly into the pocket.