Anti-backlash nut assembly

Details Anti-backlash nut assembly Anti-backlash nut assembly

1983-06-08

1984-10-30

Herrmann, Allan D.

Machine element or mechanism

Gearing

Rotary bodies

744248A, F16H 5712, F16B 3936

Patent

active

RE0317136

ABSTRACT:
An anti-backlash nut assembly is disclosed of the type which undergoes translational movement longitudinally along a screw in response to relative rotational movement between the nut and screw. The assembly includes a nut which is split into first and second portions, both of which have an internal thread complementary to the external thread of the screw. The two portions of the nut are retained in the radial direction by a coaxial cylinder. A spacer means is mounted on the retainer means intermediate opposing surfaces of the nut portions and biased against at least one of said surfaces such that any gap which may occur between the thread of the screw and the thread of the nut will be closed by movement of the spacer.

REFERENCES:
patent: 2690682 (1954-10-01), Passman
patent: 2715341 (1955-08-01), Hogan
patent: 2857778 (1958-10-01), Rokos
patent: 3094011 (1963-06-01), Bradley
patent: 4131031 (1978-12-01), Erikson
patent: 4249426 (1981-02-01), Erikson

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