Disc wheel sanding machine

Details Disc wheel sanding machine Disc wheel sanding machine

1989-02-03

1990-02-13

Hartman, Judy

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24B 2300

Patent

active

048994952

ABSTRACT:
A disc wheel sanding machine includes a disc wheel rotated by a drive shaft. The sanding machine has a dust extraction device with a dust extraction hood comprising an extraction chamber which surrounds the disc wheel. The hood of the dust extraction device ends above the disc wheel bottom, and a closing wall in the form of a bristle ring or such like protrudes from the bottom of the hood and can be positioned on the work piece. The bristle ring only encircles a part of the periphery of the disc wheel and forms a suction slot diverging outwardly toward the front end in the direction of rotation of the disc wheel and is open toward the work piece. The sanding dust is sucked through the suction slot at the disc wheel periphery into the extraction chamber. The rear end of the bristle ring with regard to the direction of rotation closes in on the disc wheel periphery and forms a rear seal for the suction slot. Furthermore the hood comprises a sealing section extending over a portion the circumference which does not seal around the disc wheel, leaving a sealing distance allowing for the disc wheel rotation.

REFERENCES:
patent: 3334448 (1967-08-01), Alexander
patent: 3673744 (1972-07-01), Oimoen
patent: 3882644 (1975-05-01), Cusumano
patent: 4765099 (1988-08-01), Tanner

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