Cabin of working machine, working machine having cabin, and method for manufacturing cabin

A cabin comprising:

• a frame member forming an entrance opening, the frame member being disposed in front of an operator seat;
• a roof arranged above the operator seat;
• a first panel configured to be capable of being moved to a first position where the front panel closes the entrance opening and to a second position between the operator seat and the roof;
• a lock member disposed on the first panel, the lock member being configured to be freely movable;
• a holding member configured to be engaged to the lock member to hold the first panel at the second position;
• a pressing member configured to press the lock member toward a direction opposite to a direction of engaging to the holding member;
• and
• a first striker disposed on an upper portion of the frame member, the first striker projecting downward,
• wherein the first panel includes:
• a rim disposed on a portion corresponding to the first striker at the first position;
• and
• a latch disposed on the rim, the latch being configured to be engaged to the first striker.