Universal joint
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 1, 1983
Grant Date -
N/A
app pub date -
Jun 25, 1980
filing date -
Aug 28, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A universal joint is formed with trunnions extending into the bores of yokes with bearing bushes being interposed between the trunnions and the yokes. Each of the trunnions is formed with a bore extending internally into the trunnion generally coaxially with the central axis of the trunnion. The trunnion is formed with a wall thickness surrounding the bore and the bearing bush has a wall thickness surrounding the trunnion with the wall thickness of the trunnion being between one and three times the size of the wall thickness of the bearing bush. The trunnion bore may extend with a depth which is at least equivalent to the depth of a generally cylindrical bore within the bearing bush within which the trunnion is received and the central bore in the trunnion may be formed with a conical portion immediately contiguous with a cylindrical portion located inwardly from the conical portion. The conical portion may be formed to widen outwardly with an angle of between 0.5.degree. and 5.degree. relative to the central axis of the trunnion.
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