Electronic foot pedal controller with booster power for universa

Details Electronic foot pedal controller with booster power for universa Electronic foot pedal controller with booster power for universa

1990-02-05

1991-08-13

Lateef, Marvin M.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338108, H01C 1010

Patent

active

050399730

ABSTRACT:
A variable power foot pedal controller for controlling electrical power to universal motors and which contains solid state circuitry that boosts the power to accommodate high torque performance from the motor in response to load changes. The foot pedal controller includes a steel cable linkage arrangement that interfaces with a slide type control variable resistor that provides the linear motion control for varying the resistance that biases the solid state circuitry that boosts the power being delivered to the motor. The linkage arrangement allows operator incremental power delivery control by manipulating the slide variable resistor and further activates and deactives switch elements according to positional states of the linkage to energize the solid state circuitry or bypass the solid state circuitry.

REFERENCES:
patent: 3596102 (1971-07-01), Brooks
patent: 4322711 (1982-03-01), Spangler et al.
patent: 4397251 (1983-08-01), Leutwyler

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