Device for fixing a tool on a shaft and machine spindle...

Details Device for fixing a tool on a shaft and machine spindle... Device for fixing a tool on a shaft and machine spindle...

2007-10-30

2007-10-30

Cadugan, Erica (Department: 3722)

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

C408S23900A

Reexamination Certificate

active

10498153

ABSTRACT:
The invention concerns a device (1) for fixing a tool on a shaft (2), comprising a drawbar (3) which can slide axially inside the shaft (2) and which is used to releasably lock tools fixed on the shaft (2), in particular for automatically changing tools in automatic machine-tools. The drawbar (3) is housed in the shaft locked in rotation and has an external thread (4) whereon is urged to be pressed a threaded body (2) having a corresponding internal thread (6). The drawbar (3) is so arranged as to be able to slide in the shaft (2), by rotation of the threaded body (5), to enable change of tools.

REFERENCES:
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patent: 17 63 139 (1971-11-01), None
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patent: 35 09 635 (1986-02-01), None

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