Threaded spindle-nut drive assembly with vibration reducing supp

Details Threaded spindle-nut drive assembly with vibration reducing supp Threaded spindle-nut drive assembly with vibration reducing supp

1990-08-01

1992-07-07

Luong, Vinh T.

Machine element or mechanism

Control lever and linkage systems

Elements

744248R, 74453, F16H 118, G05G 506

Patent

active

051272857

ABSTRACT:
A support nut is provided, preferably in a pair of two, on a helically threaded spindle having a drive nut threadedly mounted thereon for axial movement therealong. Each support nut constitutes a supporting device which moves axially along the threaded spindle-nut drive assembly for the purpose of preventing the occurrence of natural vibrations in the spindle. Each support nut (7) includes a ball race (7) which is arranged coaxially with the spindle. The ball race is provided with mutually parallel grooves, which extend transversely to the longitudinal axis of the ball race and the spindle, and with balls, which run in the parallel grooves and in the screw threads of the spindle. A ball retainer is arranged coaxially between the ball race and the spindle and is freely rotatable in relation to the ball race. A nut section is arranged coaxially around the ball race. A locking element is arranged between the nut section and the ball race, such as to enable the ball race to rotate relative to the nut section subsequent to exceeding a predetermined torque between the ball race and the nut section.

REFERENCES:
patent: 2875630 (1959-03-01), Gill et al.
patent: 2875631 (1959-03-01), Syring
patent: 3132719 (1964-05-01), Cole
patent: 3304794 (1967-02-01), Bird
patent: 3669460 (1972-06-01), Wysong
patent: 4022076 (1977-05-01), Metz
patent: 4186620 (1980-02-01), Brusasco
patent: 4920817 (1990-05-01), Granbom
patent: 4938090 (1990-07-01), Brusasco
patent: 4939946 (1990-07-01), Teramachi
patent: 4962674 (1990-10-01), Payne

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