Machine element or mechanism – Gearing – Directly cooperating gears
Patent
1994-06-30
1997-07-22
Bonck, Rodney H.
Machine element or mechanism
Gearing
Directly cooperating gears
744248R, F16H 108
Patent
active
056494513
ABSTRACT:
A compact mechanism for producing simultaneous rotary and linear motion for a machine tool includes a drive shaft having a spline race and helical race coextensive over at least a portion of its length. The compact mechanism includes a first motor coupled to a screw engaging the helical race for imparting linear motion on the drive shaft. The compact mechanism also includes a second motor coupled to a spline engaging the spline race for imparting rotary motion on the drive shaft. By operating the motors simultaneously but independently, a wide range of linear movement is obtained.
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Bonck Rodney H.
Fenstermacher David
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