Land vehicles – Wheeled – Articulated vehicle
Patent
1991-07-02
1993-02-23
Hill, Mitchell J.
Land vehicles
Wheeled
Articulated vehicle
2804792, 2804793, B60D 100, B60D 116
Patent
active
051883856
ABSTRACT:
A trailer hitch is provided for a vehicle equipped for the tongue of a trailer with provisions for moving the hitch in and out of the tongue and for angular movement where the tongue is not aligned. The hitch is anchored to an advancing mechanism within the tongue such that the advancing mechanism, when the hitch is connected to the ball, can draw the tongue and hitch together to a hitch connected position. The hitch has a tapering rear portion which cams into the tongue to provide alignment as the hitch is drawn into the interior of the tongue. The advancing mechanism comprises a gear rack and pinion and a loose interfitting ring connecting the rack to a tapered rear camming portion of the hitch. The advancing mechanism, by movement of the rack within the tongue, engages a hitch socket lock and a latch to connect the tongue and hitch together automatically in the hitch connected position.
REFERENCES:
patent: 3989270 (1976-11-01), Henderson
patent: 4773667 (1988-09-01), Elkins
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