US PATENT SUBCLASS 29 / 53
.~.~.~ Rotary tool spindle

Current as of: June, 1999
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29 /   HD   METAL WORKING

33 R  DF  PLURAL DIVERSE MANUFACTURING APPARATUS INCLUDING MEANS FOR METAL SHAPING OR ASSEMBLING {32}
50  DF  .~ Multiple-tool holder {4}
52  DF  .~.~ Axial tool and transversely movable slide rest {1}
53.~.~.~ Rotary tool spindle

DEFINITION

Classification: 29/53

Rotary tool spindle:

(under subclass 52) Apparatus having nonrevolvable tool holders carrying a plurality of tools which are movable transversely of the machine bed and having in addition thereto a single tool holder adapted to operate in the axial line of the chuck, one or more of said tool holders being provided with a rotary tool spindle. Usually the axial tool is rotatable.