Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-01-12
1978-06-27
Jones, Jr., James L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51135R, 51359, B24B 2306
Patent
active
040966682
ABSTRACT:
In an endless belt sanding tool, drive is imparted to the endless belt by a drive roller contacting the outer sanded face of the belt at a part thereof intermediate two thrust rollers. The tool may have an integral motor, or be adapted for drive from an external source such as an electric drill. A preferred embodiment has the belt and its support and thrust means on a portion of a tool body which is separable from the remainder of the tool body carrying the driving roller. Step adjustment or spring-loading may be provided to tension the belt. A speed-change is advantageously included in coupling means to the drive roller. The body may include an extension pivotable with respect to the remainder, for positioning the belt in a non-linear path. The body may include a resilient backing plate for the belt. A plurality of discrete belts may be arranged in a bunch, with provision for maintaining tension in the remainder whenever a worn belt is removed.
REFERENCES:
patent: 1707584 (1929-04-01), Swan
patent: 2060266 (1936-11-01), Thompson
patent: 2279782 (1942-04-01), Fowler
patent: 2289481 (1942-07-01), Burleigh
patent: 2819565 (1958-01-01), Werth
patent: 2840959 (1958-07-01), Pritikin
Jones Jr. James L.
Linton Ulle C.
Parker Roscoe V.
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