| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cap for a fuel tank which is locked without separately providing any lock, and attachable/detachable to/from a cap fitting port by a simple operation. <P>SOLUTION: When a cap 5 is fitted to a cap fitting port 1, an engagement projecting part 26 of a hooking piece 24 provided on a movable shaft 10 of a cap body 6 is inserted in a notched part 3 of the cap fitting port 1 to cover the cap body 6 on the cap fitting port 1. The hooking piece 24 is turned to the engaging position via a drive pin 38 by turning a key rotor 36 of a cylinder lock 34 to the locking position by a key. When a movable shaft 20 is turned in the circumferential direction by an operation lever 11, a guide projecting part 31 provided on the movable shaft 20 is moved along a guide groove 29 formed in a guide hole 8 of the cap body 6, the hooking piece 24 is moved upwardly, and the engagement projecting part 26 is engaged with an engagement part 4 of the cap fitting port 1 from a lower part. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
