| 摘要 |
PROBLEM TO BE SOLVED: To combinedly provide an inner cap with the free stop function by forming a cap into a double cap structure formed of the inner cap and an outer cap, adding the free stop function to the outer cap and holding the inner cap by the free stop function while providing the inner cap with rocking properties and securing the good fitting properties with an opening communicated with an annular protrusion and a wide mouth container. SOLUTION: A cap main body 13 of airtight structure is set removably on a mouth 11 of a wide mouth container 10a, and an opening 15 communicating with the mouth 11 is formed on the cap main body. An inner cap 20 with an annular protrusion 22 formed thereon and closing the opening to be opened and closed freely and sealing the same and an outer cap 19 disposed outside the inner cap and opening and closing the cap main body are provided. The outer cap is hinged on the cap main body by a hinge 24 utilizing the free stop function, and the inner cap is hinged to be rocked freely thereon. The inner cap is hinged to be rocked freely on the outer cap by an engaging means 39. A hook mechanism 32 formed of an engaging section 33 engaged to be rocked freely with the cap main body and a hook piece 36 releasing the engagement by the action of the operation force and rotated up and down is provided. |
