Motor vehicles – Motor-carrying attachments – Driven steering wheel type
Patent
1992-07-02
1993-11-09
Pape, Joseph D.
Motor vehicles
Motor-carrying attachments
Driven steering wheel type
180 192, B62D 5304
Patent
active
052594718
ABSTRACT:
A trailer dolly arranged for receiving a trailer hitch thereto to permit ease and mobility of a trailer. A support platform includes a forward wheel pivotally mounted relative to the platform, with a plurality of rear wheels, with at least one of the wheels in operative communication with a drive motor. A trailer hitch ball is mounted projecting upwardly of the support platform to receive a trailer hitch thereon. A modification of the invention includes the trailer hitch ball mounted within a cylinder, with a piston reciprocatably mounted within the cylinder mounting the ball at its upper distal end to permit lifting of a trailer as required for its mobility about a support surface.
REFERENCES:
patent: 3861483 (1975-01-01), Pavelka
patent: 3942823 (1976-03-01), Shields et al.
patent: 4799398 (1989-01-01), Asano
patent: 4799698 (1989-01-01), Markovic
Price Donald L.
Price Linda S.
Taylor Judy L.
Taylor Robert J.
Pape Joseph D.
Smith Hugh E.
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