| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the change of designs for a conventional fitting metal fixture, etc., to provide an air fender convenient for assembly work, maintenance, inspection, etc., as well as economic efficiency by monolithically providing an internal pressure automatic detection device on the existing air ventilating valve. SOLUTION: An internal pressure detecting transmission mechanism 25 is so constituted that a fender main body or an internal pressure detection sensor 26 and an antenna 27 are provided on the front end side of a cylindrical body 24, a controlling mechanism 28 such as controlling equipment, transmission, A/D converter, etc., is incorporated inside the front end side of the cylindrical body 24 and that a power supply 29 such as cell, etc., is incorporated in the rear thereof. An optical and dynamic starting switch 30 of the internal pressure detecting transmission mechanism 25 is provided on the head 13a of an air ventilating valve 13, and the starting switch 30 is not always necessary to provide. |
