Swivel coupler
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 7, 1998
Grant Date -
N/A
app pub date -
Oct 3, 1995
filing date -
Nov 2, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A swivel coupler for releasably and fluid tightly connecting two parts together so that fluid can pass between the two parts and the two parts can rotate relative to one another, comprises a body having an outer surface which, at least in part, is right cylindrical and a collar mounted on the right cylindrical outer body surface for rotation relative thereto. The collar projects beyond one end of the body for connection to one of the two parts and the body is connectable to the other of the two parts. Rotary sealing elements are provided between the collar and the right cylindrical outer body surface. There is a first ball or roller bearing race in the right cylindrical outer body surface and at least one radially extending bearing assembly aperture in the collar for inserting ball or roller bearings into said race when the race and aperture are radially aligned. The collar is displaceable axially relative to the body to bring the ball or roller bearings into contact with a second ball or roller bearing race on the collar after the ball or roller bearings have been inserted into the first race and structure is provided for preventing the collar from returning to a position in which the aperture and first race are radially aligned.
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