Drive means for a timing mechanism

Details Drive means for a timing mechanism Drive means for a timing mechanism

H - Electricity

01

H

306/271

H01H 43/10 (2006.01) H01H 43/04 (2006.01)

Patent

CA 1193303

DRIVE MEANS FOR A TIMING MECHANISM ABSTRACT OF THE DISCLOSURE Rotation of a cam means of a timing mechanism is provided by three sets of axially aligned ratchet teeth having different major and minor diameters and a drive pawl selectively engaging the three sets of teeth. The arrangement provides a means to delay the actuation of switches which control the functions of an appliance. In one embodiment, the relationship between the three sets of ratchet teeth allows a variable range of interval times in a single timer program. That is, the arrangement provides variable dwell times versus cam advance times.

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