Patent ID: 8794098
Filing Date: 2014-08-05
Classification: B25J,F16C,Y10T

Abstract:
1. A parallel robot, comprising: a fixed platform; a moveable platform; and a plurality of links positioned in parallel between the fixed platform and the moveable platform, wherein each of the links comprises a first connecting member, a second connecting member, a first ball joint, and a second ball joint; the first connecting member is connected to the second connecting member with a sliding joint, the first connecting member is connected to the fixed platform via the first ball joint, and the second connecting member is connected to the moveable platform via the second ball joint; each of the first and second ball joints comprises a ball member, a socket member, and a resilient pressing mechanism; the ball member is coupled with the socket member, and the resilient pressing mechanism is positioned between the ball member and the socket member to apply compression to cause the ball member to tightly contact the socket member; the resilient pressing mechanism comprises a plurality of springs positioned in parallel between the ball member and the socket member.