Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1978-06-15
1980-06-03
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51273, 51135BT, B24B 2100
Patent
active
042054907
ABSTRACT:
A belt abrading device including a pair of laterally spaced rollers over which an elongate endless abrasive belt is trained. One of the rollers is mounted for shifting toward and away from the other. An exhaust hood is disposed adjacent the movable roller for shifting toward and away from the roller and the belt trained thereover. The exhaust hood is mounted on a lever arm which is operatively connected to a motor for shifting the hood toward and away from the roller. A sensor is provided for sensing continuity of the belt. Under usual operating conditions, the motor maintains the exhaust hood a preselected distance from the roller. Should the belt break and the sensor sense such discontinuity, or when desired by the operator, the motor is operated to shift the hood away from the roller.
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Adolphson K. Bradford
Kimwood Corporation
Whitehead Harold D.
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