Combination switch

Details Combination switch Combination switch

2011-06-07

2011-06-07

Luebke, Renee (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C292S198000, C200S061810

Reexamination Certificate

active

07956304

ABSTRACT:
A combination switch is provided for a high-speed oven, the oven having a door. The combination switch has a rotatable cam (40) that is rotated when the door of the oven is moved between a closed position and an open position. The cam (40) has at least one lobe (50, 52) for engaging at least one safety-switch (44, 46) for actuation by the at least one lobe of the cam as the cam rotates. The at least one safety switch controls operation of at least a portion of the oven. A locking latch (48) is selectively moveable between an engaged position, in which the latch engages the cam (40) to limit rotation of the cam and thereby prevent opening of the door, and a disengaged position, in which the latch (48) does not engage the cam (40) and thereby allows opening of the door.

REFERENCES:
patent: 4745250 (1988-05-01), Mayo
patent: 5300745 (1994-04-01), Chartrain et al.
patent: 5933065 (1999-08-01), Duchemin
patent: 6079756 (2000-06-01), Phillips
patent: 6135336 (2000-10-01), Linderoth
patent: 6315336 (2001-11-01), Swartzell
patent: 0663788 (1995-07-01), None
patent: 1102519 (2001-05-01), None
International Search Report and Written Opinion in related Application No. PCT/US2006/043569.

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