Right angle spindle for machine tools

Gear cutting – milling – or planing – Milling – Including means to adustably position cutter

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Details

408137, B23C 112

Patent

active

046277730

ABSTRACT:
A spindle which may be connected to machine tools, taking power from a rotating power shaft of the machine for advancing and retracting a rotating tool at right angles to the power shaft of the machine. The spindle has a rearward uniform diameter screw which projects through a feed nut and into a hollow headstock. The feed nut has threads engaging the threads of the screw, together with an adjacent hollow section which seats an annular thrust bearing, as well as a rear collar of the headstock which constrains the headstock to move with the feed nut. Power is transferred to the headstock by means of a rotating quill, coaxial with the screw, but axially constrained within a housing. The quill is provided with a lengthwise keyway which is colinear with a similar, but much longer keyway in the headstock. The headstock is able to axially slide back and forth through the quill as the headstock is pushed and pulled by the feed nut moving on the screw. Rotary motion is provided to the quill by means of an annular beveled gear surrounding the quill, meshing with another beveled gear, at right angles, connected to a power shaft communicating with the power shaft of the machine tool.

REFERENCES:
patent: 647311 (1900-04-01), Maxwell et al.
patent: 1343180 (1920-06-01), Maddox
patent: 1976107 (1934-10-01), Archea
patent: 1989007 (1935-01-01), Gorton
patent: 2331179 (1943-10-01), Fossum
patent: 2342829 (1944-02-01), Armitage
patent: 2601434 (1952-06-01), DuBois
patent: 2646699 (1953-07-01), Mueller
patent: 2669162 (1954-02-01), Arliss
patent: 3037429 (1962-06-01), Schurger
patent: 3163081 (1964-12-01), Vickers
patent: 3411384 (1968-11-01), Ver Nooy

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