Electrically controlled travel drive control system for steerabl

Details Electrically controlled travel drive control system for steerabl Electrically controlled travel drive control system for steerabl

1980-03-06

1982-10-19

Peters, Jr., Joseph F.

Motor vehicles

With means for detecting wheel slip during vehicle...

180 624, 180 76, 180274, 180290, 414674, B62D 1104

Patent

active

043545688

ABSTRACT:
The invention relates generally to steerable vehicles, particularly fork lift trucks, which include one or more travel drive motors adapted to be controlled in a predetermined manner, and a steerable swivelled wheel assembly. To increase the safety of such vehicle in operation, an electrically controlled drive control system is provided which is simple and free from elements that are susceptible to wear. For this purpose, two speed sensors are provided on opposite sides of the vehicle and cooperate with respective coaxial road wheels and are connected by a comparator to a switching system for controlling the travel drive, e.g., to a travel control signal generator. Elements for applying at least one additional speed-influencing input signal are associated with the comparator.

REFERENCES:
patent: 3332507 (1967-07-01), Bush
patent: 3719246 (1973-03-01), Bott
patent: 3966264 (1976-06-01), Mattori et al.
patent: 4201272 (1980-05-01), Midolo
patent: 4206829 (1980-06-01), Melocik
patent: 4221530 (1980-09-01), Williams et al.

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