Timer for controlling an appliance having a plurality of pawls w

Details Timer for controlling an appliance having a plurality of pawls w Timer for controlling an appliance having a plurality of pawls w

1997-02-24

1998-07-14

Dang, Khanh

Electricity: circuit makers and breakers

Retarded

Clock train

200 38B, H01H 4310

Patent

active

057807914

ABSTRACT:
A timer for controlling an appliance includes a camstack which is continuously rotated during a portion of an entire operation cycle of the appliance. The camstack is rotated in either a slow mode of operation or a fast mode of operation. The timer further includes a first slow pawl which is advanced in a first path of movement. Movement of the first slow pawl in the first path of movement causes the camstack to be rotated in the slow mode of operation. The timer also includes a first fast pawl which is advanced in a second path of movement. Movement of the first fast pawl in the second path of movement causes the camstack to be rotated in the fast mode of operation. A method of controlling an appliance is also disclosed.

REFERENCES:
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patent: 4980523 (1990-12-01), Aigner et al.
patent: 5290978 (1994-03-01), Georgacakis et al.
patent: 5637843 (1997-06-01), Joyce et al.

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