Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1985-08-09
1986-11-18
Parker, Roscoe V.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51170T, B24B 5506
Patent
active
046227822
ABSTRACT:
A vacuum shield for a rotary sander which can be easily attached to the sander and, in use, allows the surface being sanded to be easily viewed and also allows the sander to reach every part of the surface while the dust generated by the sander is continuously removed by vacuum hoses connected to the shield. The shieled includes a planar transparent top wall mounted on the sander and overlying the abrasive wheel of the sander. The top wall has: (1) a rear segment with a central hole, through which the abrasive wheel can be supported and driven by the sander motor, and a plurality of vacuum holes which are connected to the vacuum hoses; and (2) a front segment that can be pivoted upwardly about the front of the rear segment. The top wall also has a flexible skirt that depends from its peripheral edge and horizontally surrounds the abrasive wheel, even when the front segment is pivoted upwardly.
REFERENCES:
patent: 3673744 (1972-07-01), Oimoen
patent: 3785092 (1974-01-01), Hutchins
patent: 3824745 (1974-07-01), Hutchins
patent: 3935678 (1976-02-01), Marton
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