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
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.
대표청구항▼
1. A pushbutton lock comprising: A housing having sides, a bottom end and a front end, the housing having an aperture extending from the front end towards the bottom end; a lock cylinder, the lock cylinder being within said housing and being connected to a pushbutton, the pushbutton including an
1. A pushbutton lock comprising: A housing having sides, a bottom end and a front end, the housing having an aperture extending from the front end towards the bottom end; a lock cylinder, the lock cylinder being within said housing and being connected to a pushbutton, the pushbutton including an aperture for accepting a lock key that actuates the lock cylinder, the pushbutton being positioned within the front end of the housing; a spring that urges said pushbutton out of the front end of the housing, and a collar, the 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 collar. 2. The pushbutton lock described in claim 1 and further comprising a pin that retains the relationship of said collar and said pushbutton. 3. The pushbutton lock described in claim 1, wherein said pushbutton includes a groove and said collar is supported over said pushbutton by way of an element that extends between the pushbutton and the groove in said collar. 4. A pushbutton lock that includes a cam that allows actuation of a latch mechanism, the pushbutton lock comprising: A housing having sides, a bottom end and a f rent end, the housing having an aperture extending from the front end towards the bottom end and, and an interior surface extending from the front end towards the bottom end; a lock cylinder, the lock cylinder being within said housing and being connected to a pushbutton, the pushbutton including an external surface and an aperture for accepting a lock key that actuates the lock cylinder; a spring that urges said pushbutton out of the front end of the housing; and a collar, the collar extending over the pushbutton and being rotatably supported from 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 collar. 5. The pushbutton lock described in claim 4, wherein said pushbutton includes a groove and said collar is supported over said pushbutton by way of an element that extends between the pushbutton and the groove in said collar. 6. The pushbutton lock described in claim 4 and further comprising a pin that retains the relationship of said collar and said pushbutton. 7. A method for preventing tampering with the pushbutton of a pushbutton lock, the pushbutton lock that includes a cam that allows actuation of a latch mechanism, the pushbutton lock further having & housing having sides, a bottom end and a front end, the housing having an aperture and an interior surface extending from the front end towards the bottom end; and a lock cylinder, the lock cylinder being within said housing and being connected to a pushbutton, the pushbutton including an external surface and an aperture for accepting a lock key that actuates the lock cylinder, and a spring that urges said pushbutton out of the front end of the housing, method comprising: providing a collar, the collar being adapted for extending over the pushbutton and residing between the external surface of the pushbutton and the interior surface of the housing, said collar further comprising a flange, said flange extending between said spring and said pushbutton; and rotatably supporting said collar over the pushbutton, so that the pushbutton is shielded by the collar thereby impeding grasping and rotation of the external surface of the pushbutton. 8. The method described in claim 7 wherein said pushbutton includes a groove and said collar is supported over said pushbutton by way of an element that extends between the pushbutton and the groove in said collar. 9. The method described in claim 7 and further comprising a pin that retains the relationship of said collar and said pushbutton.
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이 특허에 인용된 특허 (10)
Albano George (30 Comber St. Valley Stream NY 11580), Anti-tamper lock guard.
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