Land vehicles – Wheeled – Articulated vehicle
Patent
1980-02-11
1982-12-21
Pekar, John A.
Land vehicles
Wheeled
Articulated vehicle
172311, 280656, A01B 6502
Patent
active
043645810
ABSTRACT:
A foldable implement frame and hitch for attachment to a draft vehicle with a three-point hitch, including a support frame carrying a support wheel, a support wheel motor for moving the support wheel between a working position and a transport position, a main frame having two telescoping frame members, the outer one of the frame members being supported upon the support frame and the inner one of the frame members carrying on the other end thereof a hitch for connection to the three-point hitch, two wing frames pivotally mounted on the support frame, two wing motors connected between the support frame and the wing frames for assisting in moving the wing frames between the extended working positions and retracted transport positions, two wing wheel assemblies mounted on the outer ends of the wing frames and each including a support wheel, two wing wheel lift motors mounted on the wing frame and connected to a wing support wheel for moving it between a working position and a transport position, the controls for all the motors being operable from the seat of the draft vehicle so that the foldable implement frame and hitch can be moved between the working position and the transport position while the operator is seated on the draft vehicle.
REFERENCES:
patent: 2226586 (1940-12-01), Seaholm
patent: 2706880 (1955-04-01), Steuerwald
patent: 2938588 (1960-05-01), Stein
patent: 3239274 (1966-03-01), Weiss
patent: 3460630 (1969-08-01), Richey
patent: 3635495 (1972-01-01), Orendorff
patent: 3791673 (1974-02-01), Hornung
patent: 3810660 (1974-05-01), Peterson
patent: 4008833 (1977-02-01), Grandrud et al.
patent: 4056149 (1977-11-01), Honnold
patent: 4066274 (1978-01-01), Adee
patent: 4073345 (1978-02-01), Miller
patent: 4098347 (1978-07-01), Honnold
patent: 4117893 (1978-10-01), Kinzenbaw
patent: 4126187 (1978-11-01), Schreiner et al.
patent: 4137852 (1979-02-01), Pratt
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