| 摘要 |
A shoe stud (1, 101) for a sports shoe has a ground-engaging part and a multi-start threaded spigot (5, 105) for engagement in a complementary socket (37, 137) on a receptacle (2, 102) secured in the shoe sole or heel. The stud and receptacle also have a locking device, which interengages when the spigot is fully inserted into the socket, to resist unscrewing. In order to ensure that the stud takes up a precise position relative to the receptacle, which may be needed if the stud is not rotationally symmetrical, the stud and receptacle have means (11, 12; 111, 112) to determine the initial position of the stud relative to the receptacle, and means (13, 113) to determine the final position of the stud relative to the receptacle. Determination of the initial position may be provided by a thread (12, 112) and complementary groove (11, 111) of the screw-thread connection which are of different dimensions from the others.
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