Ball screw

Details Ball screw Ball screw

1992-12-28

1994-08-16

Herrmann, Allan D.

Machine element or mechanism

Gearing

Teeth

744248R, F16H 2522

Patent

active

053376277

ABSTRACT:
A ball screw comprising a screw shaft and a nut into which the screw shaft is screwed through a multiplicity of balls, the screw shaft having thereon a series of alternate threads and grooves changing partly in pitch, a flexible ball receiver provided integrally within the nut for allowing the balls to move axially of the receiver depending on a change in the pitch of threads on the screw shaft, and a ball return guide provided outside or inside the nut for changing the feed speed or torque of the ball screw automatically.

REFERENCES:
patent: 1831080 (1931-11-01), Schmidt
patent: 2343507 (1944-03-01), Hoffar
patent: 4896552 (1990-01-01), Virga

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