Dust collector and shield for rotary grinder

Details Dust collector and shield for rotary grinder Dust collector and shield for rotary grinder

1990-05-16

1992-06-30

Parker, Roscoe V.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51170T, B24B 5506

Patent

active

051251906

ABSTRACT:
A shield attachment for fitting on a rotating grinder that encloses and shields the rotating grinder disc or pad, and provides a tangential exhaust port for exhausting dust in moving air created by the rotating disc. The shield has an encircling skirt that rests on the work surface, making an enclosed air cavity around the rotating disc that shields against particles being radiated at high speeds and also contains the air with contaminating dust in its restricted passage to the exhaust. The shield has flexible means for allowing vertical movement of the skirt to assure an enclosed chamber, and has separate air holes for providing air flow to the chamber to replace the air passing through the exhaust port.

REFERENCES:
patent: 2478074 (1949-08-01), Atkin
patent: 3862521 (1975-01-01), Isaksson
patent: 3882644 (1975-05-01), Cusumano
patent: 4135334 (1979-01-01), Rudiger
patent: 4381628 (1983-05-01), Dicke
patent: 4622782 (1986-11-01), Roestenberg
patent: 4697389 (1987-10-01), Romine
patent: 4782632 (1988-11-01), Matechuk

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