Supporting head particularly for machining plates of glass, marb

Details Supporting head particularly for machining plates of glass, marb Supporting head particularly for machining plates of glass, marb

1988-08-15

1990-01-02

Terrell, William

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51237R, 51283E, 74421R, 82142, 82165, 414783, B24B 502, B24B 4712, B23B 1900

Patent

active

048904236

ABSTRACT:
A supporting head for an apparatus for machining plates of glass, marble and the like, including a main head supporting an auxiliary head; the main head is adapted to support large plates, the auxiliary head is adapted to support small plates. The main head has a main shaft connected to an auxiliary shaft of the auxiliary head by means of gears. The gears and main head may be selectively locked and released to allow for a rotation of the main head or a rotation of just the auxiliary head.

REFERENCES:
patent: 622458 (1899-04-01), Fondu
patent: 1836225 (1931-12-01), Christensen
patent: 2688214 (1954-09-01), Ogle et al.
patent: 3930343 (1976-01-01), Welsch et al.
patent: 4051635 (1977-10-01), Ohrn
patent: 4426811 (1984-01-01), Eckarot et al.
patent: 4667443 (1987-05-01), Sakurai et al.
patent: 4756124 (1988-07-01), Rossi et al.
patent: 4769954 (1988-09-01), Hatas et al.

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