Self positioning nut

Details Self positioning nut Self positioning nut

1993-03-26

1996-07-09

Look, Edward K.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between shaft or shaft sleeve and...

411285, 411917, F16B 2900

Patent

active

055338631

ABSTRACT:
The present invention provides a compliant nut that can provide a more consistent compressive force to engine components by using a compliant section to absorb axial deflections. The present invention also provides a self centering feature that positions the nut upon compression, reduces thread stresses and prevents nut and shaft runnout. The invention consists of an annular member having threads on the inner diameter for mating with a threaded shaft and having a conical portion extending axially and radially inward from the annular member for abutting engine components and the engine shaft. The nut includes a plurality of exciter teeth circumferentially disposed and extending radially from the annular member used to provide shaft speed signal for engine controls and a plurality of axial spline members extending axially from the annular member on the opposite face from conical section for mating with torque applying tools and locking mechanisms.

REFERENCES:
patent: 2161740 (1939-06-01), Eksergian
patent: 2320030 (1943-05-01), Danforth
patent: 4169630 (1979-10-01), Wagner
patent: 4571133 (1986-02-01), Lindow
patent: 5024453 (1991-06-01), Suggs
patent: 5192049 (1993-03-01), Ridge
patent: 5316319 (1994-05-01), Suggs
Assembly Engineering "Controlling Fastening Relability And Costs" Jan. 1973.

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