Shielded pushbutton lock
View Patent ↗A shielded pushbutton lock that includes housing that supports a lock cylinder connected to a key operated pushbutton. The pushbutton is shielded by way of a rotatable collar that extends over the pushbutton and shields the pushbutton, so that a thief may not defeat the pushbutton lock mechanism by attempting to rotate the pushbutton in order to allow operation of the latch mechanism.
1. A pushbutton lock that includes a housing, the housing having sides, a bottom end and a front end, the housing having an aperture extending from the front end towards the bottom end, the pushbutton lock comprising:
a lock cylinder, the lock cylinder being adapted for being supported within said housing, the lock cylinder being connected to a pushbutton, the pushbutton including an aperture for accepting a lock key that actuates the lock cylinder;
a spring that is adapted for urging said pushbutton towards the front end of the housing; and
a cylindrical collar, the cylindrical collar extending over the pushbutton and being rotatably supported over the pushbutton, said collar further comprising a flange, said flange extending between said spring and said pushbutton, so that the pushbutton is shielded by the cylindrical collar.
2. The pushbutton lock described in claim 1 , wherein said collar includes a groove and said collar is supported over said pushbutton by way of a protruding element that extends from the pushbutton and into the groove in said collar.
3. The pushbutton lock described in claim 1 and further comprising a pin that retains the relationship of said collar and said pushbutton.
4. The pushbutton lock described in claim 1 , wherein said pushbutton includes a groove and collar includes a groove and said collar is supported over said pushbutton by way of an element that simultaneously extends into the groove in the pushbutton and into the groove in said collar.