Device for clamping a disc-shaped tool

Details Device for clamping a disc-shaped tool Device for clamping a disc-shaped tool

1990-01-22

1990-07-17

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

83666, B24B 2302

Patent

active

049412922

ABSTRACT:
A compact device for clamping a disc-shaped tool on a tool spindle of a portable machine tool with a clamping anchor arranged in the tool spindle, with a clamping flange attachable to the free end of the clamping anchor, with an abutment arranged at the tool end of the tool spindle and with a manual actuating mechanism for releasably pressing the clamping flange against the abutment, thereby clamping the tool between the clamping anchor and the tool spindle. The manual actuating mechanism includes a first pressure cylinder having a first cavity and a second pressure cylinder having a second cavity, and a connecting channel between the cavities. The second pressure cylinder includes a piston delimiting the second cavity. The piston is adjustable and fixable by the manual actuating mechanism from the tool end of the tool spindle for releasably clamping the tool on the tool spindle.

REFERENCES:
patent: 3691900 (1972-09-01), Novak et al.
patent: 4597227 (1986-07-01), Gentischer et al.
patent: 4677792 (1987-07-01), Speidel
patent: 4779382 (1988-10-01), Rudolf et al.

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