Swivel or rotating joints

Details Swivel or rotating joints Swivel or rotating joints

1986-06-30

1988-12-06

Arola, Dave W.

Pipe joints or couplings

With lubrication

285276, 285 93, 285121, 184 31, F16L 700

Patent

active

047891882

ABSTRACT:
A swivel joint for interconnecting two lengths of pipe, comprising an inner member (1) and an outer member (2), a chamber defined by the inner member (1) and the outer member (2) and accommodating bearing means (15a, 15b) locating the inner member (1) and the outer member (2) for rotary movement relative to one another. Pump means (8) for circulating lubricant within the chamber is provided, which pump means (8) is driven by relative movement between the inner member (1) and the outer member (2).

REFERENCES:
patent: 2010886 (1935-08-01), Paradise
patent: 2434459 (1948-01-01), Dahlstrand
patent: 2449059 (1941-07-01), Stenger
patent: 2727760 (1955-12-01), Fawick
patent: 4234216 (1980-11-01), Swanson

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