Earth working – Mounting for pushed tool at end of motor vehicle – Transversely mounted blade
Patent
1977-06-13
1978-09-05
Johnson, Richard J.
Earth working
Mounting for pushed tool at end of motor vehicle
Transversely mounted blade
E02F 376
Patent
active
041112687
ABSTRACT:
A blade control for a vehicle having a transverse scraper blade supported on the forward end for relative movement. The control includes a plurality of hydraulic piston-cylinders interconnected between the vehicle and the blade for adjusting the relative position of the blade. A plurality of flexible fluid lines extend from the lower forward end of the vehicle to the rear of the blade in a downwardly opening arch. The lines then extend across the rear of the blade to the piston-cylinders to extend and retract the cylinders. The disclosed control includes a support means protecting, supporting and separating the lines including a flexible sheet operably connected adjacent its lower end to the vehicle, beneath the upwardly extending arch of control lines, supporting and protecting the lines and a clamp adjacent the upper free end of the sheet separating the lines and preventing tangling during operation of the blade.
REFERENCES:
patent: 2678508 (1954-05-01), Reuter
patent: 2943407 (1960-07-01), Frisbee
patent: 3645340 (1972-02-01), Frisbee
patent: 3777824 (1973-12-01), Anderson
patent: 4074769 (1978-03-01), Frisbee
J. I. Case Company
Johnson Richard J.
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