Locks – Operating mechanism – Key
Patent
1988-02-04
1989-09-26
Wolfe, Robert L.
Locks
Operating mechanism
Key
70210, E05B 1300
Patent
active
048690864
ABSTRACT:
A repositionable latch blocking apparatus for use with a latchable mechanism, the latchable mechanism having an operating device to operate the latchable mechanism between locked and unlocked positions, the latch blocking apparatus including a unitary configuration having at least a first surface, the unitary configuration having a fastening device disposed thereupon adjacent the operating device in use, to fasten the latch blocking apparatus proximate the operating device of the latchable mechanism, so as to position the at least first surface to block the operation of the operating device and thereby prevent the operation of the latchable mechanism between locked and unlocked positions, whereby when the latch blocking apparatus is repositioned, so as to position the at least first surface remote the operating device said repositioning allows operation of the latching mechanism.
REFERENCES:
patent: 2463195 (1949-03-01), Mungan
patent: 3423974 (1969-01-01), Bernsley
patent: 4279137 (1981-07-01), Cook
patent: 4404826 (1983-09-01), Brill
Hughes Ivor M.
Wolfe Robert L.
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