Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1987-04-23
1988-10-11
Spar, Robert J.
Material or article handling
Vertically swinging load support
Shovel or fork type
414699, 37103, 37DIG19, B66C 2300
Patent
active
047767502
ABSTRACT:
An implement has ground working tools mounted thereon moved by hydraulic motors and cylinders with each of the hydraulic motors and cylinders being adjusted through a main control valve. The main control valves are, in turn, controlled by two sets of valves, one set being pilot valves manually adjustable at an operator's station on the vehicle and the second being electrohydraulic valves controlled from a remote area by radio signals received by a radio receiver on the vehicle. Safety switches are provided on the vehicle to block transmittal of the radio signals. The vehicle has a television camera mounted externally of the vehicle cab and directed internally thereof. The camera transmits images to a television screen at a remote area.
REFERENCES:
patent: 3348709 (1967-10-01), Fauchere
patent: 4171054 (1979-10-01), Tanaka et al.
patent: 4288196 (1981-09-01), Sutton, II
patent: 4464852 (1984-08-01), Rice
patent: 4508013 (1985-04-01), Barbagli
patent: 4633383 (1986-12-01), Omachi et al.
Operating and Maintenance Manual for the Remotely Operated Mechanical Excavator (ROME), 6 sheets, Dec. 1982.
SAE Technical Paper Series 840851, May 1984.
Bode Bernard D.
Griswold, Jr. Frederick D.
Deere & Company
Doyle Jennifer L.
Spar Robert J.
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