To provide a door lock device and a door system by which a door is easily and surely locked by bringing an edge of the door into tight contact with the opposing side.
The door lock device 50 is fitted to the door 33 so that the edge 56 of the door 33 may be brought into contact with edge parts 60, 62 extending in a predetermined direction. The device 50 comprises a gripping part 72 having the first and the second gripping faces 96, 100 provided at a predetermined interval, and an operation part 70 for rotating the gripping part 72 around an axis intersecting a main face of the door 32. The gripping part 72 grips the edge 56 of the door 33 and the edge parts 60, 62 between the first and the second gripping faces 96, 100 to enable locking by displacing a position of the rotating direction by the operation part 70.
IIO ITSUSHI
ONO MASASHI
Shiro Terasaki
Yoshiki Kuroki