Patent ID: 11920612
Assignee: FANUC CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  H | IPC F  H

Claim 5:
6. An electrical equipment comprising:
a main body;
a fan unit detachably attached to the main body; and
an attachment structure configured to detachably attach a fan unit to a main body of the electrical equipment, the fan unit including a fan and a casing configured to house the fan, the casing including a first end wall and an opening formed at the first end wall, the main body including a second end wall and a ventilation hole formed at the second end wall, the attachment structure comprising:
a guide mechanism configured to guide a slide motion of the casing in one direction relative to the main body to dispose the casing at a mounting position, the guide mechanism including:
a guide hook provided at one of the first end wall and the second end wall; and
a guide hole provided at the other of the first end wall and the second end wall, and configured to receive the guide hook so as to guide a movement of the guide hook in the one direction during the slide motion; and

a retaining mechanism comprising a retaining pawl and a retaining hole, wherein the retaining mechanism is configured to restrict a movement of the casing relative to the main body in a direction opposite the one direction when the casing is disposed at the mounting position by the slide motion, wherein the first end wall and the second end wall face to each other, and the opening and the ventilation hole is in fluid communication with each other, when the casing is disposed at the mounting position.