Worm differential gear mechanism
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United States of America Patent
Stats
-
Aug 16, 1994
Grant Date -
N/A
app pub date -
Jun 11, 1992
filing date -
Jun 20, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a worm differential gear mechanism, journal pin insertion ports which are formed on a side face of a differential case between openings for attaching element gears are formed apart from portions of the differential case where maximum loads work. That is, the journal pin insertion ports formed on the top side of the differential case are formed at portions on the top side of the differential case in vicinity of one opening for attaching element gears which is opposing portions on the top side of said differential case in vicinity of the other opening for attaching element gears where maximum loads work. The journal pin insertion ports formed on the bottom side of the differential case are formed at portions on the bottom side of the differential case in vicinity of the other opening for attaching element gears which is opposing portions on the bottom side of the differential case in vicinity of one opening for attaching element gears where maximum loads work. Since the journal pin insertion ports are not formed at portions where maximum loads work, strength of the differential case can be raised without increasing an outside diameter of the differential case.
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