| 摘要 |
<p>PROBLEM TO BE SOLVED: To remove the unpleasant sound generated by the frictional contact of a container main body and a lid member at each time when the lid member is opened and closed with respect to the container main body in a portable case and to smoothly open and close the lid member. SOLUTION: In a portable case wherein the liner part of a lid member B is moved along the guide groove 5 provided to the main body of a container A in a slide contact state to fit the main body of the container A in the lid member B to close the container A, the slightly protruding projection 21 coming into slide contact with the inner surface of the upper surface part of the lid member B is provided to the upper end part of the rear surface plate 2 of the main body of the container A or the upper end part of the rear surface plate 2 of the main body of the container A coming into slide contact with the inner surface of the upper surface part of the lid member B is formed so as to have a circular surface.</p> |
