Lock device for opening/closing body

A lock device for an opening and closing body configured to be attached to an opening of a fixed body to be openable and closable, the lock device comprising:

• a lock portion provided in one of the fixed body or the opening and closing body;
• a lock member that is disposed in another of the fixed body or the opening and closing body and that is configured to engage with or disengage from the lock portion;
• a base member fixed to the other of the fixed body or the opening and closing body;
• and
• an operating member that is supported by the base member via a pivotally supporting portion to be rotatable and that is configured to operate the lock member, wherein
• the operating member includes an operating plate portion extending in a plate shape, an operating portion provided in the operating plate portion, a first load transmission wall portion protruding from a rear side of the operating plate portion, a stopper portion provided to be connected to the first load transmission wall portion, and a second load transmission wall portion provided on the rear side of the operating plate portion,
• the second load transmission wall portion has a base end connected to the first load transmission wall portion and/or the stopper portion, and includes an extension portion including a portion obliquely extending toward the operating plate portion and a connecting portion that connects the extension portion to the operating plate portion,
• the base member includes a stopper receiving portion that is capable of coming into contact with the stopper portion and that is configured to restrict rotation of the operating member, and
• a gap is formed between the first load transmission wall portion, the extension portion and the connecting portion of the second load transmission wall portion, and the operating plate portion.