Shaft joint
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United States of America Patent
Stats
-
Aug 23, 2011
Grant Date -
Apr 5, 2007
app pub date -
Sep 30, 2005
filing date -
Sep 30, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shaft such as a worm drive shaft for a movable barrier operator is disclosed. The shaft includes at least two shaft segments having connection ends. The shaft segments include respective connection ends permitting a first connection end to be joined with a second connection end by inserting a portion of at least one of the connection ends within the other connection end along the longitudinal axis of the shaft. The shaft segments may be retained by a resiliently expandable connector such as a snap ring. The connector may expand to permit the joining and then contract to be received within a surface recess on a connection end. The connector may be part of or pre-assembled on a connection end, such as by being positioned within a surface recess thereof. The connector may provide a pre-determined position for joining the first and second connection ends.
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