Alarm clock housing with lockable keypad enclosure

Details Alarm clock housing with lockable keypad enclosure Alarm clock housing with lockable keypad enclosure

1997-12-11

1999-03-16

Miska, Vit

Horology: time measuring systems or devices

Combined with disparate device

368 73, 4551811, 455344, G04B 4700, G04B 2302, H04B 116

Patent

active

058838597

ABSTRACT:
An alarm clock housing with lockable keypad enclosure that includes a time/alarm entry keypad. The lockable keypad enclosure is lockable with an enclosure cover combination locking mechanism that includes a receiving tube cavity formed into the molded alarm clock housing member, a locking solenoid with a normally extended retractable locking bolt, three rotary combination wheels each having a shaft receiving aperture and a shaft conductor contact, a split conductor wheel shaft including three nonconducting gaps along the length thereof, and left and right rotary shaft contacts each with a conducting lead wire. The normally extended retractable locking bolt is sized and positioned to be extendable into the locking bolt receiving tube when the pivoting enclosure cover is pivoted into the closed position.

REFERENCES:
patent: 4152768 (1979-05-01), Kuriya
patent: 4301524 (1981-11-01), Koepp et al.
patent: 4712923 (1987-12-01), Martin
patent: 4715010 (1987-12-01), Inoue et al.
patent: 4868800 (1989-09-01), Arber
patent: 5199009 (1993-03-01), Svast
patent: 5365494 (1994-11-01), Linch

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