A door latch assembly, includes: a catch support assembly, the catch support assembly including a strike body having a pin receiving aperture therein; a catch arm assembly rotatably mounted to the catch support assembly; a latch pin positioned in the pin receiving aperture and movable between a retracted position and an extended position, the latch pin protruding above the strike body in the extended position to impede rotational movement of the catch arm assembly; and a first roller mounted to the catch arm assembly and configured to engage a first side of the latch pin in the extended position; and a second roller mounted to the catch support assembly and configured to engage a second side of the latch pin in the extended position. The latch pin includes a material having a hardness of 60 Rockwell C or more, the first roller includes a material having a hardness of 33 Rockwell C or less, and the second roller includes a material having a hardness of 60 Rockwell C or more.


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    Title :

    Door latch assembly and method of using a door latch assembly


    Contributors:

    Publication date :

    2021-07-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E05B LOCKS , Schlösser / B64C AEROPLANES , Flugzeuge / E05C Riegel oder Feststellvorrichtungen für Flügel, insbesondere für Türen oder Fenster , BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS



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