| 主权项 |
1. A locking device comprising:
a base; a hook provided on the base so as to be rotatable around a rotation axis; and a pawl provided on the base so as to be rotatable around an axis parallel to the rotation axis, wherein the hook has a groove into which a striker is able to enter, the hook is rotatable from an unlocked position where the striker is able to enter the groove to a locked position where the striker is prohibited from being detached from the groove, and the hook is pressed in the unlocked position direction, wherein the pawl prohibits the rotation of the hook by being in contact with the hook located in the locked position, and the pawl is pressed in a direction to be urged against the hook, wherein a concave portion is provided in one of the hook and the pawl and has a first stopper surface and a second stopper surface facing the first stopper surface which are extending in the rotation axis direction, wherein a convex portion is provided in the other of the hook and the pawl and has a first contact surface that can be brought into contact with the first stopper surface and a second contact surface that can be brought into contact with the second stopper surface, wherein when the convex portion enters the concave portion, the first contact surface is brought into contact with the first stopper surface and the second contact surface is brought into contact with the second stopper surface, so that the rotation of the hook is prohibited by the pawl, and wherein the first contact surface is a convex curved surface projected toward the first stopper surface, and the second contact surface is a convex curved surface projected toward the second stopper surface, as seen from the rotation axis direction. |
