Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1988-08-15
1989-09-26
Crowder, Clifford D.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
37DIG3, 414912, E02F 500
Patent
active
048690023
ABSTRACT:
A digging device especially suited for use on small vehicles, such as pickup trucks, is disclosed. The digging device is operated by a hydraulic pump mounted under the hood of the truck driven by a V belt, a hydraulic pump powered by the power take off, or a hydraulic pump powered by a 12 volt DC motor. The digging device of the present invention also includes a coupling system which permits the device to be quickly attached to the vehicle for digging and quickly detached from the vehicle for conventional use. The device mounts to the frame of the vehicle.
REFERENCES:
patent: 4014175 (1977-03-01), Brink
patent: 4102403 (1978-07-01), Steinberg
patent: 4199033 (1980-04-01), Van Gundy, Jr.
patent: 4215496 (1980-08-01), Wehr
patent: 4222186 (1986-09-01), Molby
patent: 4355477 (1982-10-01), Holmgren et al.
patent: 4383793 (1983-05-01), Weir
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