Alarm clock having on-off switch timer

Details Alarm clock having on-off switch timer Alarm clock having on-off switch timer

1996-12-03

1998-05-26

Roskoski, Bernard

Horology: time measuring systems or devices

Signalling means

Time condition responsive

368 72, G04B 2302

Patent

active

057577323

ABSTRACT:
An alarm clock comprises a housing seat, an upper body and a side body. The housing seat is provided therein with an alarm clock main body, a gear box, and a circuit member. The upper body is joined with the housing seat such that a pull rod of the upper body is engaged with a retaining hook contained in the gear box. The retaining hook is urged by a cam driven by a motor of the gear box. The side body is fastened pivotally at one end thereof with the upper body and is provided at another end thereof with a retainer urging a positive piece located in the housing seat. After the buzzing effect of the alarm clock is brough about, the retaining hook is actuated by the cam to move away from the pull rod, thereby enabling the retrieving force of a compression spring, which is fitted over the pull rod, to cause the ejection of the upper body and the side body so as to bring about the dynamic effect of the alarm clock.

REFERENCES:
patent: 2361128 (1944-10-01), Schlenker
patent: 3604200 (1971-09-01), Sapper
patent: 4747087 (1988-05-01), Sakuma
patent: 5095468 (1992-03-01), Sato
patent: 5568452 (1996-10-01), Kronenberg

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