Industrial truck

Details Industrial truck Industrial truck

1980-06-11

1982-12-21

Pekar, John A.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

180142, B60K 3100

Patent

active

043644490

ABSTRACT:
An industrial truck, which may be a fork-lift truck, has steering wheels 1,2 at the rear which can attain high steering locks. In order to counteract the possibility of overturning the truck by accidental heavy depression of the accelerator pedal at such high steering locks, switches 16,17 are provided on the truck which are actuated by trip plates 24,25 when steering angles in excess of, for example, 78.degree. (measured as the angle turned through from the straight ahead position by the inner steering wheel) are reached. The switches reduce the engine power by setting a maximum rate of pulsing of the electric traction motor of the truck. In another embodiment, one switch is attached to a king-pin, and the bearing which rotates about that king-pin carries two lugs, one of which is actuated on each steering lock of 78.degree..

REFERENCES:
patent: 1164109 (1915-12-01), Manly
patent: 1902626 (1933-03-01), Eggen
patent: 2139569 (1938-12-01), Alvarado
patent: 2571180 (1951-10-01), Ball et al.
patent: 3332507 (1967-07-01), Bush

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