Transmission for driving a machine tool spindle

Details Transmission for driving a machine tool spindle Transmission for driving a machine tool spindle

1990-11-29

1991-10-08

Bui, Thuy M.

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

Including separate belt on each of coaxial pulleys...

F16H 900

Patent

active

050550870

ABSTRACT:
A variable speed motor rotates the spindle of a machine tool by way of a two-speed transmission. The transmission includes two endless belts extending directly between the spindle and the output shaft of the motor. One belt is connected to the output shaft and is adapted to be selectively coupled to the spindle by a clutch which is coaxial with the spindle. The other belt is connected to the spindle and is adapted to be selectively coupled to the output shaft by a second clutch which is coaxial with the shaft.

REFERENCES:
patent: 2240737 (1941-05-01), Young
patent: 2346731 (1944-04-01), Collins
patent: 2828845 (1958-04-01), Thornton

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