Gear cutting – milling – or planing – Milling – Randomly manipulated – work supported – or work following device
Reexamination Certificate
2006-07-11
2006-07-11
Banks, Derris H. (Department: 3722)
Gear cutting, milling, or planing
Milling
Randomly manipulated, work supported, or work following device
C409S175000, C409S181000, C144S136950
Reexamination Certificate
active
07073993
ABSTRACT:
The present invention is directed to an apparatus for providing convenient control of a power tool electrical system. A switch assembly of the present invention includes a first actuator and a second actuator, which is disposed remotely from the switch and first actuator. The second actuator is connected via a coupling device, such that user manipulation of either the first or second actuator is capable of controlling electricity flowing to the motor. Including a second actuator may permit the user to retain greater control over the tool when turning the power on or off. In additional exemplary aspects, a coupling device included in the switch assembly is configured and arranged so as to prevent inadvertent damage to the power tool such as by accidental engagement of a shaft lock while the motor is operating.
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Allen Ginger L.
Cooper Randy G.
Etter Mark A.
Griffin Greg K.
Kilbourne Derrick
Banks Derris H.
Porter-Cable Corporation
Ross Dana
Suiter West Swantz pc llo
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