Gear cutting – milling – or planing – Milling – Including means to infeed rotary cutter toward work
Patent
1978-05-24
1980-02-19
Briggs, William R.
Gear cutting, milling, or planing
Milling
Including means to infeed rotary cutter toward work
114222, 405188, 409204, B23C 120
Patent
active
041892682
ABSTRACT:
A linear milling machine adapted to be carried and controlled by a diver nts a hog mill cutter on a frame which itself is secured to the work preferably by a hold-down suction cup arrangement. A driven feed-screw advances the cutter relative to the work. Hydraulic motors drive the cutter and the feed screw as well as a pump used to establish the hold-down power. The suction motor and pump are mounted in a separate oil-filled and pressure-compensated casing. Another small and portable casing provides diver-controlled hydraulic flow regulation for the cutter motor, the feed screw drive and the suction pump motor. By controlling the drive speeds, cuts can be made utilizing only the suction grippers to firmly hold the frame to the work. At the end of each cut, the cutter is manually returned and the suction released to permit the frame to be quickly repositioned and secured for another continuation cut.
REFERENCES:
patent: 957897 (1910-05-01), Neubert
patent: 975534 (1910-11-01), King
patent: 1289957 (1918-12-01), Yambacopolo
patent: 1312473 (1919-08-01), Deam
patent: 1396885 (1921-11-01), Sanchez
patent: 2946246 (1960-07-01), Allan
patent: 3261235 (1966-07-01), Henkel
patent: 3293963 (1966-12-01), Carroll et al.
patent: 3596558 (1971-08-01), Rydell
patent: 3813887 (1974-06-01), Kruger et al.
Brunel Roger L.
Hackman Donald J.
Briggs William R.
Critchlow Paul N.
Sciascia Richard S.
The United States of America as represented by the Secretary of
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