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US 12,418,220 B2Granted
Battery-powered stand-alone motor unit
AssigneeMilwaukee Electric Tool Corporation
InventorsConnor P. Sprague, Evan M. Glanzer, John E. Koller
Life of this patent
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Abstract
A stand-alone motor unit for use with a piece of power equipment includes a housing, an electric motor, a battery pack to provide power to the motor, a battery receptacle arranged on the housing and configured to receive the battery pack, and a control panel arranged on either the housing or the piece of power equipment. The control panel is operable to control operation of the electric motor.
Claims20
A stand-alone motor unit for use with a piece of power equipment, the motor unit comprising:
- a housing;
- a flange coupled to the housing on a first side thereof, the flange configured to couple the motor unit to the piece of power equipment;
- an electric motor;
- a battery pack to provide power to the motor;
- a battery receptacle arranged on the housing and configured to receive the battery pack;
- a power take-off shaft receiving torque from the motor;
- a throttle in communication with the motor, the throttle movable to adjust the rotational speed of the power take-off shaft;
- and
- a switch located adjacent the throttle;
- wherein the switch is activated and the rotational speed of the power take-off shaft is adjusted, in sequence, in response to actuation of the throttle;
- and
- wherein the throttle includes a body and an extension extending from the body, wherein the extension engages the switch to activate the switch;
- wherein the extension is rotatable to engage the switch and activate the switch.
10 more elements
Dependencies are inferred from the claim text.