Trimark Corporation

Kenneth L McConnell

Mark B Brown

Marvin L Larsen

Bruce A Bennett

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.

Lock assembly with interchangeable key plug

Front portion of a paddle handle assembly

A lock unit with an escutcheon assembly to be mounted on a movable closure and a retainer clip to maintain the escutcheon assembly in an operative position on the movable closure. The escutcheon assembly defines a first shoulder. The clip has a biasing portion defining a second shoulder for bearing on the first escutcheon assembly shoulder and a third shoulder for bearing on a surface of a movable closure on which the escutcheon assembly is mounted with the escutcheon assembly in its operative position and the retainer clip and escutcheon assembly in assembled relationship. The biasing portion of the retainer clip is in compression between the second and third shoulders to positively maintain the escutcheon assembly in its operative position.

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New Hampton, IA, United States of America

Kenneth L McConnell