Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – Expansible or vaporizable fluid actuated
Patent
1994-03-18
1995-02-21
Donovan, Lincoln
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
Expansible or vaporizable fluid actuated
337313, 337319, H01H 3736
Patent
active
053920228
ABSTRACT:
An assembly method and a thermostat for an electric/gas oven are provided. An enclosure formed by a base and a cover for enclosing a switch subassembly includes axially aligned channels extending through opposed walls and external keying and positioning features. A pair of axially aligned actuators are received within the axially aligned channels. A frame having cooperating keying and positioning features positions and supports the enclosure containing the switch subassembly and supports both a temperature responsive subassembly and a spindle subassembly in operative position with respect to the actuators. The spindle subassembly includes a cam member mounted on a spindle for rotation with the spindle. The cam member provides a cam surface having a first cam rise equivalent in a first range of rotation of the spindle and a second cam rise equivalent in a second range of rotation of the spindle.
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Kadlubowski Joseph C.
Lund Lyle B.
Donovan Lincoln
Harper-Wyman Company
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