Rotary shaft assembly

Details Rotary shaft assembly Rotary shaft assembly

1986-07-22

1988-07-19

Husar, Cornelius J.

Joints and connections

Molded joint

Fusion bond, e.g., weld, etc.

403404, 228124, 228135, F16B 1100

Patent

active

047581123

ABSTRACT:
A rotary shaft assembly including a cylindrical ceramic shaft having first and second axially spaced apart and annular outer surface portions, the first surface portion defining a plurality of circumferentially spaced apart irregularities; a metal boss surrounding the first and second surface portions and having an axial opening defined by a first annular inner surface portion juxtaposed to the first outer surface portion and a second annular inner surface portion juxtaposed to the second outer surface portion and uniformly spaced therefrom, the first inner surface portion being deformed so as to intimately engage the irregularities in the first outer surface portion; and a metal collar disposed between the second inner and outer surface portions and sealed thereto so as to form a fluid tight seal therebetween.

REFERENCES:
patent: 2396320 (1946-03-01), Gaudenzo et al.
patent: 2728425 (1955-12-01), Day
patent: 2842699 (1958-07-01), Germeshausen et al.
patent: 2972808 (1961-02-01), Litton
patent: 3302961 (1967-02-01), Franklin
patent: 4111572 (1978-09-01), Noone et al.
patent: 4167351 (1979-09-01), Bindin
patent: 4278195 (1981-07-01), Singh
patent: 4493378 (1985-01-01), Kyle
patent: 4509880 (1985-04-01), Wamstad

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