Drive system for an industrial vehicle, in particular for a pede

Details Drive system for an industrial vehicle, in particular for a pede Drive system for an industrial vehicle, in particular for a pede

1990-05-30

1991-09-17

Bertsch, Richard A.

Motor vehicles

Steered by walking attendant

Who steerably controls steerable wheel

180214, 180 656, B60K 700, B62D 5104

Patent

active

050486268

ABSTRACT:
A drive system for an industrial vehicle which consists substantially of an electric motor, a two-step transmission and a drive wheel and can be pivotally mounted for movement about a vertical axis in the undercarriage of the industrial vehicle. An axis of the electric motor is arranged parallel with respect to the drive wheel. The transmission can be a two-step spur gearing or a combined toothed belt and spur gearing. A swivel bearing is arranged above the drive wheel, the external race of which swivel bearing is received in the gear housing and the internal race of which swivel bearing is mounted onto a swivel pin extending downwardly from the undercarriage, the axis of said swivel pin lying at least approximately in the center rotational plane of the drive wheel, with the electric motor projecting above the area of the undercarriage having the swivel pin. A blocking brake is housed in the drive system, either as a spring-storage brake, which is integrated into the driven gear or rather the second toothed pulley of the first transmission step.

REFERENCES:
patent: 2592091 (1952-04-01), Weaver
patent: 3211248 (1965-10-01), Quayle
patent: 3223192 (1965-12-01), Dorion et al.
patent: 3800898 (1974-04-01), Griffin
patent: 4461367 (1984-07-01), Eichinger et al.
patent: 4616730 (1986-10-01), Strehler et al.

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