Horology: time measuring systems or devices – Signalling means – Time condition responsive
Patent
1992-08-05
1993-10-12
Roskoski, Bernard
Horology: time measuring systems or devices
Signalling means
Time condition responsive
365262, 365243, G04B 2300
Patent
active
052532305
ABSTRACT:
A casing includes an elongated opening, an alarm device having a buzzer, a battery unit and a circuit unit to connect the battery unit to the buzzer, a time setting wheel and a conductive plate which has a first end connected to a first terminal of the battery unit, a second end abutting with the time setting wheel, a third end connected to a first contact point of the circuit board, and a fourth end above a second contact point of the circuit unit. The alarm device is actuated by a switch button assembly that includes a lever, which is made of a resilient, insulative material, pivotally mounted in the elongated opening and having a first end and a second end transversely passing the elongated opening to extend out of the casing. The first end of the lever includes an insertion piece, which can be inserted between the third end of the conductive plate and the first contact point of the circuit board to disconnect the same so as to stop the generation of alarm signal when the lever is moved in the elongated opening, and a pressing portion, which presses the conductive plate to actuate a snooze circuit when the lever is pivoted in the elongated opening. The inner peripheral edge of the elongated opening serves as fulcrum for the lever.
REFERENCES:
patent: 2488637 (1949-11-01), Moss
patent: 3264817 (1966-08-01), Beguin
patent: 3517499 (1970-06-01), Keane, Jr. et al.
patent: 4423966 (1984-01-01), Ogihara et al.
patent: 4799204 (1989-01-01), Kitaoka et al.
patent: 5077707 (1991-12-01), Kuo
patent: 5177716 (1993-01-01), Kuo
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