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:
Mar. 04, 1997

Filed:

Sep. 21, 1994
Applicant:
Inventors:

Marvin L Larsen, New Hampton, IA (US);

Kenneth L McConnell, New Hampton, IA (US);

Assignee:

Tri/Mark Corporation, New Hampton, IA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F05B / ; F05B / ;
U.S. Cl.
CPC ...
70369 ; 70371 ; 70421 ; 70337 ; 7037 / ;
Abstract

A lock assembly having a key plug with an axis, a first housing defining a receptacle for the key plug and guiding movement of the key plug in the receptacle around the key plug axis, a latch assembly including a first movable latch element, structure cooperating between the first housing and the latch assembly for supporting the latch assembly in an operative position on the first housing wherein the first latch element is movable between first and second positions relative to the first housing, a retaining element, structure for mounting the retaining element to the key plug for movement relative to the key plug between first and second positions, with the key plug being movable into the key plug receptacle to an operative position and removable from the key plug receptacle with the retaining element in its first position, and structure cooperating between the retaining element and latch assembly for preventing withdrawal of the key plug from the first housing receptacle with the key plug in its operative position and the retaining element in its second position.


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