Retractable trailer tongue support jack

Details Retractable trailer tongue support jack Retractable trailer tongue support jack

1990-03-14

1992-02-11

Marmor, Charles A.

Land vehicles

Wheeled

Articulated vehicle

2807631, 254420, B60S 918

Patent

active

050870637

ABSTRACT:
A combination, retractable jack and support apparatus for trailer tongues. The jack is pivotally connected to counterbalance which is used to raise or lower the support apparatus. The design provides a sturdy horizontal support for trailers in port, disconnected from towing vehicles; and a means to facilitate mechanical retraction of the support apparatus when coupling to a towing vehicle for road travel.

REFERENCES:
patent: 2196510 (1940-04-01), Vutz
patent: 2499882 (1950-03-01), Seaholm
patent: 2672318 (1954-03-01), Lee
patent: 2784985 (1957-03-01), Schnell
patent: 3863894 (1975-02-01), Mansi et al.
patent: 4253680 (1981-03-01), Albright et al.

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