Multiple spindle drilling unit

Details Multiple spindle drilling unit Multiple spindle drilling unit

1977-02-22

1979-04-03

Smith, Al Lawrence

Cutting by use of rotating axially moving tool

Machine including plural tools

Plural, simultaneously operational tools

408 48, B23B 3918

Patent

active

041474619

ABSTRACT:
A multiple spindle machine comprising a drive unit having a plurality of drive shafts rotatable from a motor over speed change gears and a drilling head unit carrying a plurality of tool spindles connected by universal joint shafts to coupling elements which can be brought into and out of coupling engagement with said drive shafts by moving said units relative to each other.

REFERENCES:
patent: 2549490 (1951-04-01), Kuhl
patent: 3240084 (1966-03-01), Palmer
patent: 3682560 (1972-08-01), Suizu
patent: 3822958 (1974-07-01), Lewis

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