Locks – Special application – For control and machine elements
Patent
1987-03-27
1988-08-02
Smith, Gary L.
Locks
Special application
For control and machine elements
70418, 292212, 292346, E05B 1310
Patent
active
047607211
ABSTRACT:
There is disclosed an improved handle lock assembly of the type generally including a handle lock barrel reciprocally carried relative to a lock stud, the lock stud having an interiorly threaded end for threadedly engaging a fixed stud aperture, the handle lock barrel and lock stud being carried within the confines of a fixed lock guide formed integrally with a handle flange including a handle recess into which the handle may be lockingly secured by a lock provided in the handle and having a bolt for securing the handle lock barrel to the lock guide against a bolt shoulder provided in the handle flange, the improvement consisting of bolt guide shield means carried on the lock guide and extending for a distance down the length of said lock guide, the bolt guide shield means encircling and completely enclosing the lock guide in a manner sufficient to prevent access to the bolt securing the handle lock relative to the handle flange when in the locked position, the bolt guide shield means formed integrally with the lock guide whereby unauthorized access to the bolt securing the handle lock within the handle recess when in the locked position is obviated.
REFERENCES:
patent: 685188 (1901-10-01), Taylor
patent: 770408 (1904-09-01), Wells
patent: 1853564 (1932-04-01), Jacobi
patent: 2268766 (1942-01-01), Monroe
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patent: 3316742 (1967-05-01), Wellekens
patent: 3438227 (1969-04-01), Wolniak
patent: 3550412 (1970-12-01), Pitel et al.
patent: 3768284 (1973-10-01), Kent et al.
patent: 4611477 (1986-09-01), Crites
Chicago Lock Company
Demeur Basil E.
Dino Suzanne L.
Knechtel Robert E.
Samlan Alan B.
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