Working unit for a machine operated tool carrier

Details Working unit for a machine operated tool carrier Working unit for a machine operated tool carrier

2005-01-11

2005-01-11

Wellington, A. L. (Department: 3722)

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

C409S230000, C409S144000, C408S702000, C408S124000

Reexamination Certificate

active

06840723

ABSTRACT:
A working unit intended to be mounted on a movable machine operated tool support includes a casing which is attached to the tool support and which supports a pneumatic turbine motor with a rotor a shank end mill type machining tool with a cutter portion extending out of the casing and a shank portion rotatively journalled in the casing. The machining tool shank portion is rigidly integrated with a turbine wheel to form the turbine rotor. A flow control valve is arranged to deliver pressure air to the turbine motor. The turbine rotor is provided with a generator device for delivering a speed responsive output voltage to a control unit which is arranged to make the flow control valve adjust the power supply to the rotation motox so as to maintain the rotation speed at a desired predetermined level.

REFERENCES:
patent: 4566849 (1986-01-01), Flink
patent: 4716657 (1988-01-01), Collingwood
patent: 5193953 (1993-03-01), Jesinger
patent: 5507642 (1996-04-01), Wohlgemuth
patent: 5564872 (1996-10-01), Veil et al.
patent: 5636949 (1997-06-01), Nakamura et al.
patent: 5674032 (1997-10-01), Slocum et al.
patent: 5807108 (1998-09-01), Schwenoha
patent: 3819799 (1989-02-01), None

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