| 摘要 |
PURPOSE: To provide a cap device by which there is no fear that dust or water enters the top wall side of a cap main body, and in addition, wherein a lid body can be widely opened to the cap main body, and the opened position of the lid body can be accurately set. CONSTITUTION: An attaching piece 23 is attached to a cap main body 1 so that a lid body 13 can be opened or closed by turning the lid body 13 with a hinge part 22 as a fulcrum. Then, a bridging piece 24 which comes into contact with the cap main body 1 so that the lid body 13 may be kept under a closed state and opened stage is provided in the vicinity of the hinge part 22 of the lid body 13 for a cap device. Therefore, the attaching piece 23 is attached to the cap main body 1 in such a manner that the hinge part 22 may be located at the upper end of the outer peripheral wall 5 of the cap main body 1, and the bridging piece 24 is provided on the outer periphery of the lid body 13 in such a manner that the bridging piece 24 may protrude lower than the hinge part 22. |
