Land vehicles – Wheeled – Articulated vehicle
Patent
1983-09-09
1985-11-12
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Articulated vehicle
280463, 172313, 172625, B60D 114, A01B 7300
Patent
active
045523746
ABSTRACT:
A pulling hitch assembly, which includes a front beam which can be attached to a pulling unit, such as a tractor. An angle beam is pivotably attached to the front beam, and a pivoting device is provided which is associated with the front beam and the angle beam for effecting pivoting of the angle beam and the front beam relative to one another. Pivotably connected to the angle beam is a guide wheel assembly which includes a tire mounted on a wheel. Also provided is a fixed length cable which is connected to the front beam, is guided by the angle beam, and is connected to the guide wheel asssembly. The cable is disposed in such a way, and is of such a length, that it is adapted to pivot the guide wheel assembly relative to the angle beam, when the latter is pivoted relative to the front beam, in such a way that the tire of the guide wheel assembly is always disposed substantially perpendicular to the front beam.
REFERENCES:
patent: 310767 (1885-01-01), Wilson
patent: 2203981 (1940-06-01), Coultas
patent: 2971774 (1961-02-01), Bartel
patent: 3522849 (1970-08-01), Sweet
patent: 3830312 (1974-08-01), Brandly
patent: 4044906 (1977-08-01), Schrag et al.
patent: 4232876 (1980-11-01), Burres
patent: 4346909 (1982-08-01), Hundeby
patent: 4415174 (1983-11-01), Koehn
Peters Jr. Joseph F.
Watts Charles R.
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