Cutting by use of rotating axially moving tool – Machine including plural tools – Plural – simultaneously operational tools
Patent
1978-01-12
1979-07-24
Hinson, Harrison L.
Cutting by use of rotating axially moving tool
Machine including plural tools
Plural, simultaneously operational tools
408 42, 408 53, B23B 3918, B23B 3916
Patent
active
041621344
ABSTRACT:
An apparatus for adjusting the vertical position of drills in a multiple spindle drilling machine comprising drills attached in upper and lower two lateral rows to a gear box of the multiple spindle drilling machine, said two groups of the drills being arranged so that the drills of the respective groups can be simultaneously moved in the vertical direction, a motor for driving and rotating the two groups of the drills, a moving device disposed to connect said two groups of the drills so that they are moved in the vertical direction according to the height of drilling positions of a material to be processed, and a positioning device attached to the gear box to regulate the vertical movement of the drills of the respective groups within a certain range and set the vertical position thereof.
REFERENCES:
patent: 1465591 (1923-08-01), Seavey
patent: 2636525 (1953-04-01), Anguera
patent: 3127661 (1964-04-01), McConnell
patent: 3730635 (1973-05-01), Orendi
patent: 3749507 (1973-07-01), Haley
patent: 3977804 (1976-08-01), Kitagawa
patent: 4030853 (1977-06-01), Mizen
Hinson Harrison L.
Miyakawa Industry Company Limited
Oujevolk George B.
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