Rotary joint

Details Rotary joint Rotary joint

1978-05-08

1980-03-25

Arola, Dave W.

Pipe joints or couplings

U-type

285190, 285279, F16L 3904

Patent

active

041947673

ABSTRACT:
A joint structure for transmitting fluid therethrough and having a rotary, hollow sleeve comprised of two sections, each section being journalled in a bushing supported in a stationary casing surrounding the sleeve sections. The adjacent free ends of the sleeve sections are telescopically interfitted for relative axial movement and keyed to each other for unitary rotation. A sealing ring is axially slidably mounted on each sleeve section and urged into engagement with an adjacent sealing surface provided on the housing by forces acting in a direction compressing the sealing rings for providing a rotary joint structure having an extended service life.

REFERENCES:
patent: 1934717 (1933-11-01), Johnson
patent: 2385421 (1945-09-01), Monroe
patent: 2395861 (1946-03-01), Fraser
patent: 2700558 (1955-01-01), Hieronymus
patent: 2836439 (1958-05-01), Moore
patent: 3265411 (1966-08-01), Monroe et al.
Catalog 867, Barco Rotary Joints, Aeroquip Corporation, Copyrighted 1975.

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