Actuator mechanism for a portable, hand-held tool

Details Actuator mechanism for a portable, hand-held tool Actuator mechanism for a portable, hand-held tool

1978-11-21

1981-07-21

Marcus, Stephen

Electricity: circuit makers and breakers

Liquid contact

Time delay

200321, 200331, H01H 1500

Patent

active

042800269

ABSTRACT:
The invention is directed to an actuator mechanism for controlling the operation of the motor of a portable, motor-driven tool having a housing for enclosing the motor. The actuator mechanism includes a switch actuable between off and on positions for interrupting the flow of current to the motor and for supplying current to the motor, respectively. A slider is operatively connected to the switch and slideably mounted in the wall of the housing of the tool so as to be slideable between first and second positions corresponding to the off and on positions of the switch. A resilient member resiliently urges the slider into the off position of the switch. A latch member is mounted on the slider so as to be movable with respect thereto from a latching locked-off position wherein the latch member coacts with the housing to prevent the slider from being displaced from the first position to the second position thereby locking said switch in the off position to an intermediate position in which the latch member permits manual displacement of the slider to the second position against the force of the resilient means whereby the slider returns to the first position upon manual release of the slider, and to a latching locked-on position wherein the latch member coacts with the housing to maintain the slider in second position thereby locking the switch in the on position.

REFERENCES:
patent: 3194084 (1965-07-01), Filander
patent: 4180716 (1979-12-01), Suzuki

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