Tool holder with interchangeable fluid pressure actuated chucks

Details Tool holder with interchangeable fluid pressure actuated chucks Tool holder with interchangeable fluid pressure actuated chucks

1990-10-16

1991-11-26

Schwartz, Larry I.

Gear cutting, milling, or planing

Milling

With cutter holder

408239R, 408239A, 279 4, 279 46R, B23B 3120

Patent

active

050678612

ABSTRACT:
A tool holder including a drive unit having a peripheral flange about the outer end thereof, and interchangeable chuck units with similarly configured flanges for selective engagement against and releasably mounting to the drive unit flange by screw fasteners. Each chuck unit includes a self-contained fluid pressure system comprising a recess inward through the outer end thereof defined by a flexible peripheral wall with a sealed cavity therebehind. The cavity is filled with a fluid which, upon being pressurized, produces a corresponding inward flexing of the recess wall for the gripping of a tool bit.

REFERENCES:
patent: 2955830 (1960-10-01), Vilter
patent: 3250542 (1966-05-01), Winnen et al.
patent: 3397614 (1968-08-01), Meinke
patent: 4709455 (1987-12-01), D'Andrea

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