Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent
1985-11-26
1987-06-16
Novosad, Stephen J.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
299 36, E04D 1502
Patent
active
046732195
ABSTRACT:
A motor powered, drum equipped, manually operable shingle removal tool for use by roofing contractors, home improvement companies and the like. A rigid, steel frame mechanically supports a conventional internal combustion engine linked through appropriate belts and pulleys to a front-mounted rotary drum. A plurality of rigid cutting teeth disposed about the outer surface of the cylindrical drum are adapted to forcibly contact the shingles to be removed. A lower sled which guides the tool along the roof surface may be selectively adjusted to facilitate proper elevation of the rotary drum above the shingle surface at a suitable height for optimum operation. The cutting teeth of the drum may be adjustably positioned relative to the outer surface of the drum to compensate for adjustment of the sled. A selectively adjustable elongated handle coupled to the rear of the machine frame directly above a pair of caster wheels facilitate maneuvering of the tool. The handle may be pushed down to pivot the drum over the caster wheels, moving the revolving teeth out of contact with the roof. A safety kill switch associated with the handle stops the motor when released by the operator.
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Barr J. T.
Carver Stephen D.
Doty Keith
Goodwin Michael A.
Novosad Stephen J.
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