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:
Dec. 07, 2010
Filed:
Feb. 18, 2004
Applicants:
Robert E. Matthiessen, Medford, NJ (US);
Christopher L. West, Tabernacle, NJ (US);
Inventors:
Robert E. Matthiessen, Medford, NJ (US);
Christopher L. West, Tabernacle, NJ (US);
Assignee:
inTEST Corporation, Cherry Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04G 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A safety lock comprises a locking member () which engages a support. An inner lock shaft () actuates the locking member, the inner lock shaft having a first coupling face () at one end thereof. An outer lock shaft () has a second coupling face () which engages the first coupling face when the inner lock shaft and the outer lock shaft are in respective engagement positions relative to each other. A coupling structure () moves to prevent engagement of said first coupling face with said second coupling face.