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. 21, 2003
Filed:
Feb. 16, 2001
Applicant:
Inventor:
Leo Driessen, Yuen Long, HK;
Assignee:
Black & Decker Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 1/722 ;
U.S. Cl.
CPC ...
E21B 1/722 ;
Abstract
An interlock mechanism for a power tool is provided to releasably couple first and second portions of the power tool. The mechanism includes a spring normally biased into a closed position and an actuator enabling the spring to be moved to an open position. The actuator has a spring-engaging surface formed from several individual surfaces which are non coplanar.