Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1993-03-01
1994-08-02
Parker, Roscoe V.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 2306
Patent
active
053334140
ABSTRACT:
A sand belt device can be mounted detachably on a body portion of a portable grinding machine so as to replace a grinding wheel of the portable grinding machine. The sand belt device includes a positioning member which has a front part and a rear part that is fitted tightly and detachably around an annular flange of the body portion. The rear part has a hole through which a rotatable shaft of the body portion passes. A roller unit includes a driven roller and a driving roller which is mounted detachably on the rotatable shaft of the body portion and which is rotatable with the rotatable shaft. An elongated belt frame has a front end and a rear end that is attached stationarily and detachably to the front part of the positioning member. A supporting unit, which is mounted movably to the elongated belt frame, is used to support the driven roller so as to position the driven roller in front of the elongated belt frame. An endless sand belt passes over the roller unit and the elongated belt frame.
REFERENCES:
patent: 3643385 (1972-02-01), Mikiya
patent: 4368597 (1983-01-01), Fleckenstein
patent: 4578906 (1986-04-01), Appleton
patent: 4858390 (1989-08-01), Kenig
patent: 5031362 (1991-07-01), Reiling et al.
patent: 5210981 (1993-05-01), Urda
patent: 5235784 (1993-08-01), Oki et al.
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