Belt sander sanding mechanism

Details Belt sander sanding mechanism Belt sander sanding mechanism

1991-10-08

1993-04-20

Rachuba, M.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51139, 51140, 51 3, B24B 2100

Patent

active

052031179

ABSTRACT:
A sanding mechanism for a belt sander comprises a first set of sanding heads for sanding the upper surface of a workpiece passing therethrough, and a second set of sanding heads for sanding the bottom surface of the workpiece. The first and second sets of sanding heads each comprises a front sanding head disposed in a direction 30.degree. to 60.degree. relative to the workpiece feeding direction for primary sanding operation and a rear sanding head disposed in parallel with the workpiece feeding direction for a fine finish sanding operation. Each front sanding head including two rows of guide wheels bilaterally disposed at the bottom thereof for guiding the workpiece to move in the workpiece feeding direction.

REFERENCES:
patent: 2187131 (1940-01-01), Lippold
patent: 2714278 (1955-08-01), Dostert
patent: 2936551 (1960-05-01), Rich et al.
patent: 3169352 (1965-02-01), Smith
patent: 3608245 (1971-09-01), Fair, Jr. et al.
patent: 3663319 (1972-01-01), Maag
patent: 4322918 (1982-04-01), Steinbeck
patent: 4733500 (1988-03-01), David

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