Locking mechanism for machine tool holder/adapter

Details Locking mechanism for machine tool holder/adapter Locking mechanism for machine tool holder/adapter

1977-12-05

1980-05-27

Bilinsky, Z. R.

Metal working

Plural diverse manufacturing apparatus including means for...

Type of machine

29568, 279 82, 408 35, 409232, B23B 3116, B23Q 3157

Patent

active

042043034

ABSTRACT:
There is disclosed herein an improved machine tool holder/adapter and drive spindle nose. The drive spindle nose is tapered and includes a circumferential locking groove. The tool holder/adapter includes a tapered central recess for receiving said spindle nose and a plurality of radially movable lock pins. Biasing means are provided for direct coaction with the lock pin means so as to urge the lock pins in an outward direction. The length of the pins, the size of the spindle nose and the diameter of the circumferential groove are selected so as to prevent the spindle nose from striking the lock pins as the spindle nose moves into the tool holder/adapter for lockingly engaging said tool holder/adapter.

REFERENCES:
patent: 2990189 (1961-06-01), Beers
patent: 3895881 (1975-07-01), Langlois
patent: 3999769 (1976-12-01), Bayer et al.

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