Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1974-02-01
1976-01-06
Simpson, Othell M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 73R, 51105R, 51227R, B24B 506, B24B 1700
Patent
active
039303411
ABSTRACT:
A universal vertical grinding machine has a horizontal base supporting at least one workpiece carrier device. A vertical column centered on the base provides an axis of rotation for at least one collar rotatably mounted with reference to the column and provided with at least one head comprising a grinder-carrier spindle supporting a grinder adjacent the workpiece carrier device. Suitable arrangements are provided for effecting an axial sliding of the collar along the column in a reciprocating manner, and to independently rotate the collar about the column. Advantageously, there are two collars mounted for rotation about the column, with the collars being rotated in opposite directions.
REFERENCES:
patent: 2332421 (1943-10-01), Wildhaber
patent: 2723499 (1955-11-01), Dix
patent: 2807916 (1957-10-01), Squire et al.
patent: 2826876 (1958-03-01), Menard
patent: 3269063 (1966-08-01), Hahn et al.
Jacobson Harvey B.
O#Brien Clarence A.
Simpson Othell M.
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