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:
Apr. 27, 1993
Filed:
Aug. 24, 1992
Applicant:
Inventor:
James L Ralph, Shoreview, MN (US);
Assignee:
Cole-Sewell Corporation, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05C / ;
U.S. Cl.
CPC ...
2923363 ; 292224 ;
Abstract
A door latching assembly in which the latch operator has a unique camming member which retracts the latch member upon operation of the latching handle member, the cam action is one of rotation having a rolling contact with a spring loaded sliding fork member whereas the rolling cam and its contact point on the sliding fork after very appreciable usage shows no indication of wear.