Trailer tongue jack device

Details Trailer tongue jack device Trailer tongue jack device

1989-02-13

1990-03-27

Marmor, Charles A.

Land vehicles

Wheeled

Articulated vehicle

2804791, 254 85, 254120, B60D 106

Patent

active

049114603

ABSTRACT:
A lateral trailer tongue jack has a base plate for resting on a ground surface beneath a trailer tongue. The base includes a lateral channel iron track having a framework disposed over the track. A vertically oriented tubular socket has a wheel mounted at a lower end thereof which rides in the track. A lead screw disposed laterally across the framework is engaged with a threaded floating carriage within the socket. The socket accepts the lower end of a vertical tongue jack of the trailer. A crank attached to the lead screw is used to move the socket laterally along the track to align the trailer tongue hitch socket with the hitch ball of a towing vehicle.

REFERENCES:
patent: 1131018 (1915-03-01), Troutman
patent: 2885462 (1959-05-01), Sylvester
patent: 2917323 (1959-12-01), Mandekic
patent: 3084953 (1960-02-01), McGregor
patent: 3181891 (1965-05-01), Moats
patent: 3765703 (1973-10-01), Voelkerding et al.
patent: 3922007 (1975-11-01), Friedebach

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