Tool changer with cover means

A tool changer which comprises:

• a turret with a plurality of grips for holding tools, wherein the turret is rotatable about a rotation axis to index a desired tool to change the tools;
• a first cover which covers a first surface of the turret;
• a second cover which comprises an outer surface portion and covers a second surface of the turret that is on an opposite side of the turret than the first surface;
• a drive source configured to rotate the turret;
• and
• a turret mechanism portion configured to transmit a force from the drive source to rotate the turret, wherein
• the turret mechanism portion projects from the outer surface portion,
• the outer surface portion of the second cover is formed with a projection or a recess,
• the projection or the recess defines a flow passage at an upper side of the turret mechanism portion, the flow passage configured to guide debris so as to prevent the debris from getting into the turret mechanism portion, and
• the flow passage has a central portion and opposite end portions, the opposite end portions located on opposite sides of the central portion and on opposite lateral sides of the rotation axis, and the central portion is higher than the opposite end portions.