Pneumatically operated spindle wrench

Details Pneumatically operated spindle wrench Pneumatically operated spindle wrench

1981-02-20

1983-05-10

Garrett, Robert E.

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

173163, 279 8, 408239A, B23C 526

Patent

active

043827306

ABSTRACT:
A pneumatically powered spindle wrench is disposed and engaged atop the upper terminus of the powered vertical spindle of the vertical milling machine. The powered spindle wrench has a socket shaped and sized to engage the drawbar of the upper spindle terminus on signal. The tool holder is secured in and engaged in the spindle tapered aperture at the lower spindle terminus. On pneumatically powering and rotating the upper drawbar terminus of the spindle, the drawbar is unlocked and the tool holder can be removed from the spindle lower terminus. An electrically powered D.C. motor, and a hydraulically powered motor can also be equivalently substituted for the pneumatic motor drive.

REFERENCES:
patent: 2885930 (1959-05-01), Adams
patent: 3027812 (1962-04-01), Courtois
patent: 3038386 (1962-06-01), Parske et al.
patent: 3205779 (1965-09-01), Walker
patent: 3374711 (1968-03-01), Saunders
patent: 3481248 (1969-12-01), Engstrom
patent: 3898911 (1975-08-01), Dechussin
patent: 4059066 (1977-11-01), Grassl
patent: 4128043 (1978-12-01), Grassl

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