| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent contamination in a container member, to simplify inspection, repair and cleaning of an engagement means, and to make a door member thin in thickness. <P>SOLUTION: The engagement means 3 which engages the door member 2 with the container member 1 is provided on the door member 2 and an external surface of the container member 1, and the engagement means 3 includes a shaft member 4, a support portion 5 for pivoting the shaft member 4 on the side of the container member 1, and a shaft engagement member 6 having an engagement portion 6c on the shaft member side and an engagement portion 2b on the door member side. Associatively with movement of the shaft member 4 in an axial direction, the engagement portion 6c on the shaft member side moves between an engagement position for engagement with the engagement portion 2b on the door member side and a disengagement position, and the engagement means 3 is provided on the door member 2 and the external surface of the container member 1, and not incorporated in the door member to eliminate accumulation of contaminants in the door member 2, to inspect, repair and clean the engagement means 3 without disassembling the door member 2, and to eliminate the need for a space for storing the engagement means in the door member 2. <P>COPYRIGHT: (C)2010,JPO&INPIT |
