192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1978-03-02
1980-10-21
Krizmanich, George H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
B60T 1700, F16D 6700
Patent
active
042288789
ABSTRACT:
A control device for controlling accelerator and brake switches is designed to prolong life of the accelerator and brake switches as well as life of electromagnetic contactors for the accelerator and brakes which are energized and deenergized by these switches. According to the invention, once the accelerator switch has been turned on by depression of an accelerator pedal, the ON state of the accelerator switch is maintained unless a brake pedal is subsequently depressed. Similarly, once the brake switch has been turned on by depression of the brake pedal, the ON state of the brake switch is maintained unless the accelerator pedal is subsequently depressed. To this end, the control device comprises changeover valves respectively actuated by the accelerator and brake pedals, bistable means for performing a mechanical bistable operation by means of air supplied through the changeover valves and accelerator and brake switches actuated in correspondence to two positions of the bistable means.
REFERENCES:
patent: 1339929 (1920-05-01), Hellmund
patent: 1591944 (1926-07-01), Ring et al.
patent: 2215357 (1940-09-01), Nicholson et al.
patent: 2361099 (1944-10-01), Hines
Kabushiki Kaisha Komatsu Seisakusho
Krizmanich George H.
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