Drive mechanism for a vehicle trailer lifting gear

Details Drive mechanism for a vehicle trailer lifting gear Drive mechanism for a vehicle trailer lifting gear

1980-06-17

1982-08-24

Pekar, John A.

Land vehicles

Wheeled

Attachment

B60S 908

Patent

active

043457797

ABSTRACT:
Drive mechanism is provided for mechanically actuating support legs of a vehicle trailer lifting gear. The mechanism includes a rotary drive unit 1 driven by air under pressure supplied from a vehicle for drawing the trailer. The unit 1 has a drive socket 7 engaging a corresponding shaped nut 6 welded to a shaft 5 engaging gearing controlling extension and retraction of telescopic support legs 4a.

REFERENCES:
patent: 3182956 (1965-05-01), Dalton
patent: 3729212 (1973-04-01), Clafin et al.
patent: 3784160 (1974-01-01), Phillips
patent: 3895682 (1975-07-01), Graham
patent: 4129322 (1978-12-01), Kuntz

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