Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-08-17
1992-01-21
Rose, Robert A.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 61, B24B 706, B24B 702
Patent
active
050817949
ABSTRACT:
The invented Sander with Orbiting Platen and Abrasive includes a platen, an abrasive secured to the platen, and a motor connected to the platen to move the platen and abrasive in an orbit or circular pattern. The motor is connected to the platen by a belt that extends around at least one drive shaft, where the shaft includes two ends with a step between the ends so that when the shaft is rotated around one end's longitudinal axis, the step causes a portion of the shaft and the platen to orbit around that axis. The preferred embodiment of the invented sander includes a frame, a conveyor, first and second drive shafts that support a brace and that cause the brace to move in a first orbit, second and third drive shafts that are supported by the brace and connected to a platen so that when the second and third drive shafts are rotated, the platen moves in a second orbit, and a plurality of neoprene, rubber or synthetic rubber stabilizers positioned between the brace and platen. In the invented sander the conveyor feeds a product toward the platen and a rotating brush abrades and polishes the product after it has been sanded by the platen.
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Abrasive Orbital Sander Improve Finish Sand Quality Wood Digest, Jun. 1990.
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