Electricity: motive power systems – Plural diverse motor controls – Motor-reversing
Patent
1981-05-26
1983-09-27
Truhe, J. V.
Electricity: motive power systems
Plural diverse motor controls
Motor-reversing
200157, H02P 708
Patent
active
044069804
ABSTRACT:
A mechanism for controlling the speed and direction of a self-propelled machine, such as, for example, a floor cleaning machine, or the like. A rotatable control handle is provided and includes a speed control cam which moves a variable resistor slide member by means of a speed control arm connected to the cam follower. The variable resistor is connected between a battery power source and a propulsion motor to control the voltage to a speed control. The handle has a neutral position at which the machine is stationary, and rotation of the handle about its own axis in either direction will cause the motor to move the machine, the direction of rotation determining the direction of movement. The control handle carries a series of direction control cams which operate switches to control the direction of flow of current to the motor and thereby the direction in which the machine moves.
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Masbruch Richard D.
Waldhauser Steven J. A.
Duncanson W.
Truhe J. V.
Wetrok Inc.
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