| 摘要 |
PROBLEM TO BE SOLVED: To provide an on-board antenna attaching structure having excellent attaching workability. SOLUTION: The attaching structure includes an antenna unit disposed on the external surface of a vehicle body, and a connection member coupled to the antenna unit via an attaching hole of the vehicle body and disposed on the internal surface of the vehicle body. The antenna unit includes a casing, an attaching plate fitted on a vehicle body attaching side opening of the casing and having a bolt cylinder portion provided with a male screw on the external peripheral surface, a circuit board housed in a housing chamber surrounded by the casing and the attaching plate, an antenna element connected to a base end of the circuit board and projecting outward from the casing, and a first connection terminal connected to a conductor of the circuit board and projecting inside the bolt cylinder portion. The connection member includes a nut having a female screw mated with the bolt cylinder portion in the internal peripheral surface, and a second connection terminal connected to an electric wire terminal and erected and held on the center position of the nut. When the nut of the connection member disposed so as to communicate with the attaching hole of the vehicle body is mated with the bolt cylinder portion of the antenna unit to be inserted from the outside of the vehicle body through the attaching hole, the first connection terminal is fitted and connected to the second connection terminal. COPYRIGHT: (C)2008,JPO&INPIT
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