Combination ram biased board hold-down and exhaust infeed

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

Patent

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Details

51273, B24B 2108, B24B 5506

Patent

active

041517059

ABSTRACT:
Abrading apparatus including a frame, a workpiece support and an abrasive belt mounted above the support further includes an assembly combining a workpiece hold-down shoe and an entry duct movable with the shoe for exhausting debris during abrading action. The shoe extends transversely of the workpiece relative to its infeed direction of travel and also includes a member extending upwardly therefrom which forms a rear wall of the entry duct.

REFERENCES:
patent: 1978149 (1934-10-01), Stevenson
patent: 2064476 (1936-12-01), Johnson
patent: 3367377 (1968-02-01), Mitten
patent: 3782044 (1974-01-01), Olin
patent: 3872627 (1975-03-01), Schuster
patent: 3889429 (1975-06-01), Zuercher

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