Method and apparatus for finishing surfaces

Details Method and apparatus for finishing surfaces Method and apparatus for finishing surfaces

1985-09-20

1987-03-03

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51120, 51283R, 144114R, B24B 700

Patent

active

046464735

ABSTRACT:
Workpieces having three-dimensional surfaces can be efficiently sanded by rotatable sanding members mounted on spindles which are supported for movement in a circle of revolution over the surfaces of the workpieces as the individual spindles are selectively rotated about their longitudinal axes in either of two opposite directions during predetermined portions of each circle of revolution. A sanding apparatus for accomplishing this function includes a cone clutch arrangement for selectively reversing the direction of rotation in accordance with a cam directed control arrangement acting on pivotally supported yokes carrying the individual spindles.

REFERENCES:
patent: 907058 (1908-12-01), Kraemer et al.
patent: 1217417 (1917-02-01), Cumming
patent: 1566659 (1925-12-01), Datton
patent: 2420876 (1947-05-01), Freud
patent: 4078905 (1978-03-01), Oya

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