Arm-supported cutting roll with effective length pivotally adjus

Details Arm-supported cutting roll with effective length pivotally adjus Arm-supported cutting roll with effective length pivotally adjus

1988-10-25

1989-10-24

Massie, IV, Jerome W.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Adjustable head

175267, F21C 2724

Patent

active

048757381

ABSTRACT:
In a cutting or hewing roll there is, for increasing the cutting width, arranged at least one lateral front surface of the roll a tool carrier being swivellable relative to the axis of the cutting or hewing roll and receiving hewing or cutting tools. For the purpose of swivelling the swivellable tool carrier there is preferably provided a cylinder-piston-aggregate arranged within the interior of the roll and extending essentially in parallel relation to the axis of rotation of the roll.

REFERENCES:
patent: Re31622 (1984-07-01), Todd
patent: 3730593 (1973-05-01), Karlovsky, Jr.
patent: 4172616 (1979-10-01), Delli-Gatti, Jr.

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