Machine tool power speed changer

Details Machine tool power speed changer Machine tool power speed changer

1993-07-26

1995-02-14

Shoop, Jr., William M.

Electricity: motive power systems

With particular motor-driven load device

Power- or motion-transmitting mechanism

318817, 318291, H02K 3316

Patent

active

053898613

ABSTRACT:
A retrofit power accessory for a turret mill provides a motor drive for changing machine tool speed, replacing a handwheel. A frame is attached to the mill by a pair of adjustable brackets which accommodate various models of mills. The frame carries a spider coupling which attaches to the rotatable machine shaft formerly holding the hand wheel. The spider coupling is driven by a gear motor on the frame through a timing belt and timing gears to positively drive the machine shaft. A manual switch controls the motor in either direction to effect the desired machine tool speed change. A rotary knob is also coupled to the spider coupling to allow manual intervention.

REFERENCES:
patent: 3972506 (1976-08-01), Azuma
patent: 4391307 (1983-07-01), Levi et al.
patent: 4551714 (1985-11-01), Giammarese
patent: 4677329 (1987-06-01), Secoura
patent: 4705061 (1987-11-01), Mueller et al.

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