Coupling and method for fixing the same
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United States of America Patent
Stats
-
Apr 14, 2020
Grant Date -
May 23, 2019
app pub date -
Oct 19, 2018
filing date -
Nov 21, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A coupling including a body member including a fitting hole into which an end of a spline shaft is fitted, and a connecting portion, the shaft including spline grooves linearly extending in an axial direction in a circumferential direction; a positioning mechanism positioning the body member in the circumferential direction with respect to the shaft fitted into the fitting hole; and a fixing portion fixing, to the shaft, the body member being positioned. The positioning mechanism includes a screw hole provided in the body member so as to penetrate from an outer surface of the body member to an inner surface of the fitting hole, a screw member fastened into the screw hole, and a pressing part having a circular cross section, provided in a tip of the screw member, and pressed against the spline groove by fastening of the screw member into the screw hole.
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