Flexure washer bearing and method

Details Flexure washer bearing and method Flexure washer bearing and method

1998-07-20

2000-02-08

Saether, Flemming

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

Washer structure

Including antifriction means

411537, 411547, 403 28, F16B 4300

Patent

active

06022178&

ABSTRACT:
A linear flexure washer bearing in a bolt interface assembly allows relative differential thermal expansion and contraction motion between a component plate and a base plate fastened together by a bolt without inducing large strains and stresses upon the bolt. The flexure washer bearing functions as a thin spacer between the component and base plates enabling high preload tightening of the bolted assembly while enabling relative bidirectional motion of the plates. The flexure washer is a multiple blade flexure assembly with thin flexure blades arranged unidirectionally between the top and bottom flexure plates. The elastic flexures bend to enable relative alternating unidirectional motion while the full strength of the bolt remains available to the support the component plate without creating high friction shear forces.

REFERENCES:
patent: 3648959 (1972-03-01), Wagner
patent: 4437784 (1984-03-01), Peterson
patent: 5116158 (1992-05-01), Carruthers

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