Anti-backlash nut assembly

Details Anti-backlash nut assembly Anti-backlash nut assembly

1999-01-07

2000-10-17

Herrmann, Allan D.

Machine element or mechanism

Gearing

Rotary bodies

744248A, 74459, 74531, F16H 5712, F16H 2524

Patent

active

061314781

ABSTRACT:
An anti-backlash nut, movable along a rotatable screw. The nut has internal threads complementary to the threads in the screw. The nut has two nut halves movable as a unit and also rotatable relative to each other on the screw, and are connected to the nut halves to induce their relative rotation on the screw in opposite directions. There is an elastomeric friction mechanism, such as a washer, between the two halves to limit their relative rotational movement. The elastomeric friction mechanism is enclosed between the nut halves to have uniform compression.

REFERENCES:
patent: Re31713 (1984-10-01), Erikson et al.
patent: 4131031 (1978-12-01), Erikson et al.
patent: 4353264 (1982-10-01), Erikson et al.
patent: 4479397 (1984-10-01), Jelinek et al.
patent: 4566345 (1986-01-01), Erikson et al.
patent: 4833938 (1989-05-01), Reinwall et al.
patent: 5079963 (1992-01-01), Yamamoto et al.
patent: 5689997 (1997-11-01), Schaller
patent: 5732596 (1998-03-01), Erikson et al.
patent: 5839321 (1998-11-01), Siemons

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