Rotating joint for hydraulic system

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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277165, F16J 1516

Patent

active

053951255

ABSTRACT:
A composite joint for a hydraulic system having two parts which rotate relative to each other is formed by the combination of a friction ring of hard material which is mechanically anchored to one of the relative rotating parts as a supporting collar around a ring of more flexible material mounted in a groove of the one part to exert a force on the ring of hard material providing with the joint a relatively large clearance between the two relatively rotating parts.

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patent: 4714259 (1987-12-01), Mack et al.
patent: 4749202 (1988-06-01), Bonomi
patent: 4856794 (1989-08-01), Boyers et al.
patent: 5018753 (1991-05-01), Porel
patent: 5172921 (1992-12-01), Stenlund

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