Appliance timer mechanism utilizing snap action switching
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United States of America Patent
Stats
-
Jan 19, 2010
Grant Date -
Jul 27, 2006
app pub date -
Jan 21, 2005
filing date -
Jan 21, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A motor driven appliance timer utilizing a cam program disk and snap action switches is provided. The motor may be externally energized, or may be energized based on integrated electronics within the appliance timer. Rotation of the program disk by a user to allow selection of a desired appliance cycle is accommodated by a clutch subassembly that allows bidirectional rotation of the program disk without requiring that the user pull or push the control shaft before rotating the program disk. The timer of the present invention may utilize either impulse or constant drive mechanisms to rotate the program disk. The use of snap action switches minimizes the possibility of tack weld failures due to switch teasing.
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Family
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