Locks – Operating mechanism – Key
Patent
1994-05-13
1996-04-09
Meyers, Steven N.
Locks
Operating mechanism
Key
70433, 70434, E05B 1100
Patent
active
055050662
ABSTRACT:
An apparatus for alternately retaining a selected one of a pair of keys and releasing the other one of the pair of keys is provided. The retained key cannot be released until the other key is again disposed in a retained position. The apparatus includes a base plate having a pair of key receptacles, a slider assembly slidably mounted on the base plate, a visitor key having a pinion gear and a home key. The slider assembly includes a pair of key retaining slots for respectively retaining each key and a rack for driving engagement by the visitor key pinion gear for effecting sliding movement of the slider assembly in response to rotation of the visitor key pinion gear. A conventional key can be secured to the home key to control use of the conventional key through the selected release and retention of the visitor key and the home key.
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Dino Suzanne L.
Meyers Steven N.
One Way Out, Inc.
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