Earth working – Mounting for pushed tool at end of motor vehicle
Patent
1982-04-08
1984-01-10
Johnson, Richard J.
Earth working
Mounting for pushed tool at end of motor vehicle
172439, 280461A, 280497, A01B 63108, A01B 59048
Patent
active
044248709
ABSTRACT:
An attachment device is shown for mounting an implement onto the front of a motor vehicle. The attachment device is substantially contained within the hood portion of the vehicle and includes a pair of vertically aligned support members fastened to the frame of the vehicle. A first pair of swinging arms are pivotally attached to the support members and extend forward thereof to merge into a single pivot point. A second pair of swinging arms are also pivotally attached to the support members, below the points of attachment of the first pair of swinging arms and in a parallel fashion thereto. The forward ends of the first and second pair of swinging arms support an adjustable implement. The swinging arms are vertically adjustable by a pair of lifting means, such as hydraulic cylinders, which are pivotally attached at a lower end to the frame of the vehicle and are rotatably attached at their upper ends to the first pair of swinging arms. By extending and retracting the hydraulic cylinders, the swinging arms can raise and lower the attached implement relative to the ground.
REFERENCES:
patent: 2565337 (1951-08-01), Allan
patent: 2608924 (1952-09-01), Bywater
patent: 2722066 (1955-11-01), Wills
patent: 3145781 (1964-08-01), Rogler
patent: 3800879 (1974-04-01), Chant
patent: 3944000 (1976-03-01), van der Lely
patent: 4124079 (1978-11-01), Crow
patent: 4164985 (1979-08-01), Bobard
patent: 4194756 (1980-03-01), van der Lely
Deere & Company
Johnson Richard J.
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