Spindle extension with self-contained draw bar

Details Spindle extension with self-contained draw bar Spindle extension with self-contained draw bar

1994-08-29

1997-06-17

Briggs, William R.

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

408239R, B23C 526

Patent

active

056391943

ABSTRACT:
A spindle extension, especially for drilling and milling operations is desirable to complete many modem die molds or to protect the host machine spindle from undesirable wear. The inventive spindle extension contains its own adjustable length draw bar assembly that works in tandem with the host machine power draw bar that is easily activated to provide quick and secure tool changes. Surrogate and long-reach embodiments are disclosed.

REFERENCES:
patent: 3269271 (1966-08-01), Bruckner
patent: 4334811 (1982-06-01), Trumpf et al.
patent: 4548532 (1985-10-01), Watanabe et al.
patent: 4589808 (1986-05-01), O'Connor
patent: 4617846 (1986-10-01), Horsch
patent: 4692074 (1987-09-01), Smith et al.
patent: 4822220 (1989-04-01), Danielsson et al.
patent: 5066178 (1991-11-01), Peuterbaugh
patent: 5342155 (1994-08-01), Harroun

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