Patent ID: 6272972
Filing Date: 2001-08-14
Classification: B23Q,F15B

Abstract:
A rodless cylinder actuator for moving slide tables, comprising:a cylinder housing;two cylinders provided within said cylinder housing;two piston rods axially and movably received in the two cylinders, respectively;at least one pulley rotatably shafted to an outside end of each of the two piston rods using a bracket;a wire consisting of two wire parts, said two wire parts being fixed to first and second wire locking members of the cylinder housing at their first ends and respectively passing over the pulleys of the two piston rods;a slide table mounted to a junction of the two wire parts and positioned outside a top wall of said cylinder housing to be movable on the top wall of the housing in accordance with a movement of said two piston rods relative to the two cylinders; andtwo tension control units for respectively controlling the tension of said wire when necessary, said tension control units being provided on said slide table and being respectively connected to second ends of said two wire parts.