Nut assembly with rotatable sleeve for taking up backlash

Details Nut assembly with rotatable sleeve for taking up backlash Nut assembly with rotatable sleeve for taking up backlash

1988-09-09

1989-10-10

Smith, Gary L.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Internally threaded fastener element, e.g., nut, etc.

Multipart

411432, 74441, 74459, 74527, F16B 3700, F16H 5518

Patent

active

048727954

ABSTRACT:
A nut assembly comprises two end-to-end nuts threaded onto a screw and coupled by splines which prevent relative rotation between the nuts while permitting relative axial movement. A sleeve surrounds the nuts and is threaded onto one of the nuts. The other nut is formed with ratchet teeth adapted to fit into angularly spaced notches in the sleeve. When the sleeve is rotated relative to the nuts, it forces the nuts away from one another to take up backlash between the nuts and the screw. During such rotation, the teeth ratchet into and out of successive notches and ultimately prevent relative rotation between the sleeve and the nuts during normal service use.

REFERENCES:
patent: 697332 (1902-04-01), Doney
patent: 1383239 (1921-06-01), Roland
patent: 2919596 (1960-01-01), Kuehl
patent: 3001414 (1961-09-01), Bourne
patent: 3186249 (1965-06-01), Lanzenberger
patent: 4002083 (1977-01-01), Glicken
patent: 4082925 (1978-04-01), Hufford
patent: 4454784 (1984-06-01), Shimano

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