초록 ▼

The present invention provides a locking device having a simplified and energy saving configuration that assures to prevent an unintentional erroneous removal of a container case in operation mode from an apparatus main body. The locking device comprises: first engagement device which is an engageme

The present invention provides a locking device having a simplified and energy saving configuration that assures to prevent an unintentional erroneous removal of a container case in operation mode from an apparatus main body. The locking device comprises: first engagement device which is an engagement hole 10 provided in an electronic apparatus main body 1; and second engagement device provided in a disc container case 2 that is inserted into and removed from the electronic apparatus through an opening 1a of the electronic apparatus main body 1. The second engagement device includes a movable engagement piece 21 constituted to be movable toward the engagement hole 10 and a movement urging mechanism 23 for urging this movable engagement piece 21. This movement urging mechanism 23 consists of a working member 23A made from a shape-memory alloy that change its distance from a first end to a second end when subjected to a heat; and a fixed base 24 for fixing the second end of the working member 23A.

대표청구항 ▼

[ What is claimed is:] [1.] A locking device comprising:first engagement means provided in an apparatus main body; andsecond engagement means provided in a container case to be inserted into said apparatus main body through an opening of said apparatus main body in such a manner that said second eng

[ What is claimed is:] [1.] A locking device comprising:first engagement means provided in an apparatus main body; andsecond engagement means provided in a container case to be inserted into said apparatus main body through an opening of said apparatus main body in such a manner that said second engagement means is engaged with said first engagement means for locking said container case to said apparatus main body, said second engagement means including: a movable engagement piece that can be moved toward said first engagement means; and a movement urging mechanism having one end connected to said movable engagement piece so as to urge said movable engagement piece,wherein said movement urging mechanism includes:a working member made from a shape-memory alloy whose length between a first end and a second end is changed when subjected to a heat and having said first end connected to said movable engagement piece; anda fixed member for holding said second end of said working member.