Switch assembly

Details Switch assembly Switch assembly

2007-12-04

2007-12-04

Ross, Dana (Department: 3722)

Gear cutting, milling, or planing

Milling

Randomly manipulated, work supported, or work following device

C409S175000, C409S181000, C144S136950, C408S124000

Reexamination Certificate

active

11502575

ABSTRACT:
An apparatus for providing convenient control of a power tool electrical system. A switch assembly 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.

REFERENCES:
patent: 3021723 (1962-02-01), Happe
patent: 3334448 (1967-08-01), Alexander
patent: 3679244 (1972-07-01), Reddy
patent: 4400995 (1983-08-01), Palm
patent: 6079916 (2000-06-01), Grayson et al.
patent: 6443675 (2002-09-01), Kopras et al.
patent: 6488451 (2002-12-01), Hartman
patent: 6814158 (2004-11-01), Bieber et al.
patent: 6886643 (2005-05-01), Riley et al.

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