Spoke nipple structure for reducing rupture of spoke thread

Abstract

Spoke nipple structure for reducing rupture of spoke thread, which could maintain the straightness of the spoke thread by improving spoke and mated nipple; the spoke comprises: a spoke body as well as head and threaded portion set separately at both ends of the spoke body; the head is pulled or bent in practice to mate with the hub, and the threaded portion is provided with a threaded section of certain length; especially, a cyclic bulge is shaped on the spoke body adjacent to the threaded portion; the max. OD of the bulge is less than or equal to the ID of the nipple's large hole for tight coupling; the locking effect of cyclic bulge could maintain the straightness of the threaded portion and eliminate the bending point formed in the threaded portion of spoke arising from the transversal stress.

Dependencies are inferred from the claim text.