Broaching machine safety

Details Broaching machine safety Broaching machine safety

1981-11-16

1984-10-16

Briggs, William R.

Gear cutting, milling, or planing

Broaching

With control means energized in response to activator...

409255, B23D 4108

Patent

active

044772157

ABSTRACT:
An automatic machine tool having a tool holder for moving a plurality of tools into working relation to a plurality of work parts, and mechanically actuated means effective to terminate machine operation if any one tool is missing from the tool holder.

REFERENCES:
patent: 2809541 (1957-10-01), Witt
patent: 2818001 (1957-12-01), Chayka
patent: 4205567 (1980-06-01), Hirata et al.
IBM Tech. Discl. Bulletin, vol. 25, No. 1, Jun. 1922, p. 291, Broken (Missing) Drill Detection, T. E. Wray.

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