Anti-backlash, self-aligning nut

Details Anti-backlash, self-aligning nut Anti-backlash, self-aligning nut

1975-05-05

1976-08-31

Scott, Samuel

Machine element or mechanism

Gearing

Rotary bodies

74409, F16H 5518

Patent

active

039772691

ABSTRACT:
An anti-backlash, self-aligning nut construction comprising specially constructed tubular nut bodies coacting with concentric spring sleeves of unique configuration to effect precise, self-aligning, anti-backlash assemblages. The nut bodies in general each have a pair of spring-biased elements provided with internal thread formations adapted for engagement with the external threads of a screw. In one embodiment of the invention a self-aligning spring sleeve is provided having solely three pairs of oppositely-disposed transverse slots to obtain the desired aligning feature. The nut body has a base portion which is separated from the spring-biased elements by means of two transverse slots which, together with an adjacent pair of slots in the spring sleeve, form in effect a universal joint. One of the remaining slot pairs in the sleeve is oriented circumferentially with respect to the first pair by an angle of 90.degree., with the third pair of slots being circumferentially aligned with the first pair.

REFERENCES:
patent: 2335504 (1943-11-01), Gazda
patent: 2493000 (1950-01-01), Linsley
patent: 2567483 (1951-09-01), Hotine
patent: 3121340 (1964-02-01), Anthony
patent: 3592075 (1971-07-01), Clark
patent: 3810310 (1974-05-01), Morgan

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