Self actuating generating tool

Details Self actuating generating tool Self actuating generating tool

1990-12-20

1992-03-17

Bishop, Steven C.

Turning

Radially moving rotating tool inside bore

82131, 408158, 409233, B23B 326

Patent

active

050957856

ABSTRACT:
A machine tool that includes a rotary spindle having a radially movable cutter element. An axially movable drawbar within the spindle is used to move the cutter element to its retracted or extended position. A harmonic drive unit is carried on the spindle for imparting rotary movement to a cam element that has a driving connection with the drawbar. The harmonic drive unit can be controlled through a remotely-operated brake that is adapted to be selectively engaged with a reaction member that forms part of the harmonic drive unit.

REFERENCES:
patent: 4852438 (1989-08-01), Reiterman

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