Method for making swivel fitting
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United States of America Patent
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Mar 8, 1983
Issued Date -
N/A
app pub date -
Feb 25, 1981
filing date -
Dec 21, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to swivel fluid fittings and swivel hose ends. In prior art designs, it has been a problem to provide simple, compact, and economical swivel fluid fittings in which the ball thrust bearings are both lubricated and protected from the environment by being located on the fluid side of the rotary seal. The present invention solves the problem by partially assembling the swivel fluid fitting prior to projection welding of the two-piece outer member and by magnetically retaining the steel balls during assembly. Principal uses for the invention include providing swiveling joints in either rigid or flexible conduits for conducting of air, gasses, and liquids.
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