Excavating – Railway graders – Side former
Patent
1988-09-06
1989-07-04
Eickholt, Eugene H.
Excavating
Railway graders
Side former
E02F 502
Patent
active
048437433
ABSTRACT:
A portable motorized shovel is presented which comprises a frame having an articulated arm. The frame supports a motor and is provided with handles. The articulated arm of the shovel includes a pole fastened to the frame at a pivot point and a shovel stem pivoted on the free end of the pole. One end of the stem includes a rockable blade and the other end of the stem (which extends beyond the pivot point on the pole) is pivoted on a nut adapted to move on a worm driven by the motor.
REFERENCES:
patent: 887874 (1908-05-01), Toy
patent: 2590143 (1952-03-01), Adams, Jr. et al.
patent: 4302894 (1981-12-01), Emma
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