Electricity: circuit makers and breakers – Retarded – Clock train
Patent
1997-05-30
1999-02-02
Friedhofer, Michael A.
Electricity: circuit makers and breakers
Retarded
Clock train
200 38B, H01H 708
Patent
active
058668632
ABSTRACT:
An apparatus for permitting quiet manual setting of an appliance timer is disclosed. The apparatus has an appliance control cam which has a first cam surface defined on a first side thereof and a second cam surface defined on a second side thereof. The apparatus includes a rocker arm positionable between a first cam reading mode of operation and a first idle mode of operation. The rocker arm contacts the first cam surface when the rocker arm is positioned in the first cam reading mode of operation. The rocker arm is spaced apart from the first cam surface when the rocker arm is positioned in the first idle mode of operation. The apparatus also includes a cam follower arm positionable between a second cam reading mode of operation and a second idle mode of operation. The cam follower arm contacts the second cam surface when the cam follower arm is positioned in the second cam reading mode of operation. The cam follower arm is spaced apart from the second cam surface when the cam follower arm is positioned in the second idle mode of operation. The apparatus further includes a control shaft positionable between a first position and a second position. The apparatus also includes an intermediate member. The control shaft locates the intermediate member so as to cause the intermediate member to position (1) the rocker arm in the first idle mode of operation, and the cam follower arm in the second idle mode of operation when the control shaft is positioned in the first position, and (2) the rocker arm in the first cam reading mode of operation, and the cam follower arm in the second cam reading mode of operation when the control shaft is positioned in the second position.
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Becker Mark D.
Emerson Electric Co.
Friedhofer Michael A.
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