Collapsible trailer hoist

Details Collapsible trailer hoist Collapsible trailer hoist

1974-11-01

1976-01-13

Makay, Albert J.

214505, 214512, 214 85, B67G 6730, B60P 104

Patent

active

039318958

ABSTRACT:
A collapsible framework or chassis equipped on top with a trackway is mounted on a trailer which may be transported from place to place to assist in servicing vehicles. The framework may be alternately collapsed and maintained in a low profile during travel conditions and expanded to full height while supporting the vehicle on its trackway so that the underside of the vehicle can be serviced, e.g., muffler repair or installation. A control means first raises the front portion of the collapsible framework after the vehicle drives from a ramp onto the trackway and thereafter raises the rearward portion of the collapsible framework to thereby position the vehicle for servicing.

REFERENCES:
patent: 1263954 (1918-04-01), Sollender
patent: 1525447 (1925-02-01), Hose
patent: 2790683 (1957-04-01), Clark
patent: 2874805 (1959-02-01), Jahnel
patent: 2929519 (1960-03-01), Taylor
patent: 3035728 (1962-05-01), Hecker
patent: 3216530 (1965-11-01), Hunter
patent: 3294367 (1966-12-01), Liskey

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