Joint covers, robots and parallel link robots

摘要

A joint cover is removably attached to a joint of a robot including first and second joint members, and a spherical bearing coupling the first and second joint members, wherein the bearing includes a ball shank including a shaft part fixed to the first joint member and including a bail part at one end of the shaft part, and a holder fixed to an end of the second joint member and including a ball receiver configured to enclose and support the ball part, the joint cover includes a body made of an elastic material and configured to cover the holder and the end of the second joint member, and the body includes two through-holes respectively allowing for insertion of the shaft part and the second joint member, and the joint cover includes a slit configured to open and close and to make the two through-holes continuous with each other.