| 摘要 |
PROBLEM TO BE SOLVED: To provide a slack prevention structure that promotes lightweight and obtains an accurate locking function. SOLUTION: An antenna holder 1 is provided with a resin-made holder main body 10, to which an antenna 2 can be inserted and with a cylindrical spring 6 that is integrated with the holder main body 10 in elastically press contact with the antenna 2 to support it and connected in a continuity enabled way thereto. The holder main body 10 consists of a head 11 and a leg 12 to the outer circumferential part of which thread ridges 14 are formed. Since the antenna holder 1 has a slack prevention structure, where a slack prevention section 15 that is screwed to a mount member 8 for fixing the holder main body 10 is provided to a part of the thread ridges 14 close to the head 11 to enhance slack-preventing function, the slack of the holder main body can surely be prevented. Furthermore, no special machining is required for the leg of the holder main body, such as slight deformation of the thread ridges in order to prevent slack. Moreover, the slack preventing function for a resin-made antenna holder can be enhanced surely in promotion of employment of resin- made components for the weight reduction of mobile phones or the like.
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