Key retaining device

Details Key retaining device Key retaining device

1983-04-14

1986-02-18

Wolfe, Robert L.

Locks

Operating mechanism

Key

70 19, E05B 1100, E05B 7300

Patent

active

045704694

ABSTRACT:
A key retaining device for capturing and selectively locking therein a portion of the working section of a key. When the key is locked in the device, its handle section is visible so that the presence of the key can be instantly determined without the unlocking of the apparatus, yet the key cannot be removed from the device until unlocked with a master key. Retention of the key within the housing is accomplished by a clamping mechanism employing a longitudinally sliding member having a wedge-like member which is urged toward the working section of the key upon the sliding member moving in a first longitudinal direction. The sliding member is moved by a bolt coupled to a lock which is rotated by a master key, and a nut which is held in a transverse slot of the slideable member. The master key when rotated in a second direction unthreads the bolt from the nut, moving the sliding member in the opposite longitudinal direction to release the wedge-like member which holds the key.

REFERENCES:
patent: 4090380 (1978-05-01), Bianco
patent: 4441348 (1984-04-01), Neilsen
patent: 4448051 (1984-05-01), Neilsen

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