Gear cutting – milling – or planing – Milling – Cutter spindle or spindle support
Patent
1994-12-02
1996-08-27
Briggs, William
Gear cutting, milling, or planing
Milling
Cutter spindle or spindle support
92106, 279 401, B23C 526, B23B 3130, F01B 3110
Patent
active
055494277
ABSTRACT:
The device for transferring a pressure medium has a stationary outer component with first pressure medium channels and an inner, rotatably drivable component inside the stationary outer component radially spaced at a distance from the stationary outer component. The inner component has second pressure medium channels. The outer component is connected to the housing of a machine tool and the inner component is connected to the machine spindle. A first and a second intermediate member in the form of an annulus are provided. The first and second intermediate members are positioned fixedly in the space between the inner and the outer components for bridging the distance between them. The first intermediate member has at least one first connecting channel and the second intermediate member has at least one second connecting channel. The at least one first connecting channel connects one of the first pressure medium channels to one of the second pressure medium channels and the at least one second connecting channel connects one of the first pressure medium channels to one of the second pressure medium channels. The first and the second intermediate members are laterally supported at one of the components so as to each define two radially extending sealing gaps and are displaceable relative to the other of the components.
REFERENCES:
patent: 4863324 (1989-09-01), Blessing
patent: 5052866 (1991-10-01), Bauch et al.
patent: 5096347 (1992-03-01), Kumagai et al.
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