Flexible joint for conduit

Details Flexible joint for conduit Flexible joint for conduit

1981-03-16

1984-01-24

Arola, Dave W.

Pipe joints or couplings

Ball and socket

Radially spaced spherical surfaces

285165, 285267, 285351, F16L 2704

Patent

active

044272200

ABSTRACT:
A flexible joint for conduit includes inner and outer conduit parts having a common longitudinal axis. The inner conduit part includes a spherically curved end portion received in the outer conduit part and having inner and outer surfaces. Inner and outer ring assemblies carried by the outer conduit part include inner and outer rings of low friction material engaging the inner and outer surfaces on the curved end portion of the inner conduit. The curved end portion is squeezed between the inner and outer ring assemblies with predetermined preloading force to provide the sole connection between the conduit parts. The conduit parts are pivotally movable relative to one another during which the ring assemblies and the inner and outer surfaces of the curved end portions slide past one another.

REFERENCES:
patent: 927462 (1909-07-01), Greenlaw
patent: 1510755 (1924-10-01), Weir et al.
patent: 2846242 (1958-08-01), Drake
patent: 3995896 (1976-12-01), Decker

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