Anti-backlash nut having a free floating insert for applying an

Details Anti-backlash nut having a free floating insert for applying an Anti-backlash nut having a free floating insert for applying an

1993-04-15

1994-04-19

Herrmann, Allan D.

Machine element or mechanism

Gearing

Rotary bodies

411304, 411433, F16H 5712, F16H 2524

Patent

active

053036069

ABSTRACT:
An anti-backlash nut having a central bore therethrough, wherein a portion of the central bore is threaded to cooperatively engage a lead screw. A free floating insert is disposed in a radial aperture in the anti-backlash nut, such that a threaded inner surface of the insert contacts the lead screw. The threaded insert may be radially biased or offset such that the threads of the nut body and the threads of the insert engage opposing faces of the lead screw threads to provide accurate and reliable motion of the anti-backlash nut upon relative rotation of the lead screw.

REFERENCES:
patent: Re32433 (1987-06-01), Erikson
patent: 2586044 (1952-02-01), Horsky
patent: 2615348 (1952-10-01), Gasser
patent: 3760686 (1973-09-01), Goodwin
patent: 3831460 (1974-08-01), Linley, Jr.
patent: 4249426 (1981-02-01), Erikson et al.
patent: 4449417 (1984-05-01), Sasaki
patent: 4645395 (1987-02-01), Lundgren
patent: 5117706 (1992-06-01), Kempe
Anti-Backlash Nut Show Management and History-May 26, 1990 pp. 1-10.

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