Apparatus for permitting quiet manual setting of an appliance ti

Details Apparatus for permitting quiet manual setting of an appliance ti Apparatus for permitting quiet manual setting of an appliance ti

1998-03-12

2000-01-25

Lieu, Julie

Communications: electrical

Audible indication

34030915, 368100, 368254, 368259, 368260, 200 38BA, G08B 310

Patent

active

060182903

ABSTRACT:
A timer for controlling an appliance includes a bell chime assembly having a striker, a torsion spring, and a bell. The striker is secured to the torsion spring. The timer further includes a cam follower operatively coupled to the torsion spring. The cam follower is operatively associated with a cam assembly which includes a first cam and a second cam. The first cam and the second cam are configured such that during manual setting of the timer, the torsion spring is prevented from deflecting by an amount sufficient to cause the striker to contact the bell whereby relatively quiet manual setting of the timer is enabled.

REFERENCES:
patent: 919716 (1909-04-01), Gundorph
patent: 2342327 (1944-02-01), Braun
patent: 2583245 (1952-01-01), Valkenburgh et al.
patent: 3960105 (1976-06-01), Ring
patent: 4001528 (1977-01-01), Deane et al.
patent: 4242746 (1980-12-01), Schuder et al.
patent: 4490589 (1984-12-01), Voland
patent: 4616209 (1986-10-01), Mahon
patent: 4867005 (1989-09-01), Voland
patent: 5745441 (1998-04-01), Dunsbergen et al.

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