Rotary abrading tool

Details Rotary abrading tool Rotary abrading tool

1978-01-24

1979-03-27

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51273, B24B 2300

Patent

active

041458486

ABSTRACT:
A portable abrading tool with a rotary backing unit for carrying a disc of abrading material, with abraded particles being drawn through a passage or passages in the backing unit into a shroud carried at a rear side of that unit, and with the backing unit carrying a circular rib at its rear side projecting rearwardly within a peripheral edge portion of the shroud in axially overlapping relation to define a shoulder blocking centrifugally induced radially outward movement of abraded particles toward the edge portion of the shroud.

REFERENCES:
patent: 1800341 (1931-04-01), Davis
patent: 3827194 (1974-08-01), Hutchins
patent: 3840976 (1974-10-01), Hutchins
patent: 3854206 (1974-12-01), Hutchins
patent: 4058936 (1977-11-01), Marton

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