Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1985-09-10
1987-01-13
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
37DIG3, 414739, E02F 376
Patent
active
046353860
ABSTRACT:
A paved asphalt stripping and digging bucket apparatus is disclosed which is capable of effectively carrying out the stripping-off and digging of a paved asphalt. In the apparatus, a bucket connected to an arm and a hydraulic cylinder of a tractor shovel has a bottom surface formed into a shape having a radius when it is viewed sideways, to thereby facilitate the pivotal penetration of pawls of the bucket between the asphalt and a sublayer and allow the pawls to act as a lever on which the fulcrum is on the sublayer.
REFERENCES:
patent: 4495717 (1985-01-01), Lockwood
Eickholt E. H.
Kabushiki Kaisha SK
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