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.

Date of Patent:
Sep. 17, 2013

Filed:

Sep. 09, 2011
Applicant:

William Chung-sum Chow, Rowland Heights, CA (US);

Inventor:

William Chung-Sum Chow, Rowland Heights, CA (US);

Assignee:

Adams Rite Manufacturing Co., Pomona, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05C 1/06 (2006.01); E05C 19/00 (2006.01); E05B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Door top latch and actuating apparatus, comprising in combination, a mounting bracket configured to attach to a door top, a latch located by the bracket to move up and down, relative to the door top, an actuator rod extending vertically below the latch, and operatively connected to the latch whereby door handle operated vertical movement of the rod moves the latch vertically, and a compression spring associated with the rod for urging the rod and latch upwardly into latching position, the spring accommodating downward movement of the rod and latch, to unlatch the door, and a motion adaptor operatively connected between the rod and latch.


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