Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1988-03-21
1989-04-18
Smith, James G.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51102, B24B 700
Patent
active
048214574
ABSTRACT:
An oscillating vertical spindle sander is proposed which consists of a substantially hollow stand having a base member, a hydraulic motor with infinitely variable speed control in the hollow stand, a tilting spindle assembly suspended from arcuate ways on said hollow stand, a connection between motor and spindle whereby the spindle is adjustably tilted on the ways, a fixed table on said hollow stand having an elongate opening receiving the tilting spindle, a working element on the spindle and operating through the elongate opening, the working elements slidable with the spindle for movement axially, a connection from the hydraulic motor to said spindle whereby said spindle is rotated and moved axially by an hydraulic cylinder in infinitely adjustable speed control.
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patent: 2167758 (1939-08-01), Johnson et al.
patent: 2526034 (1950-10-01), Mathys
patent: 3418758 (1968-12-01), McEwan
patent: 4555229 (1985-11-01), Biadigo et al.
patent: 4557303 (1985-12-01), Gardner et al.
Shaffer Thomas R.
Smith James G.
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