| 摘要 |
PURPOSE:To attain common components and to realize the cost-down, by guiding plural head carriages with a common guide member and moving them independently. CONSTITUTION:Two guide rods 4, 5 are mounted to a frame 1 laterally in parallel and the two head carriages 6, 7 are fitted freely slidably by using the rods 4, 5. Guide blocks 6a, 7a are moved in a space formed by a hollow of the carriages 7, 6. The rod 4 guides the block 7a and the carriage 6 and the rod 5 guides the block 6a and the carriage 7 in common. When pulleys 8, 9 are rotated with a step motor, one of steel belts 10, 11 is wound and the other is unwound, then the carriages 6, 7 are moved forward and fackward along the rods 4, 5. Further, the carriages 6, 7 are linked incorporatedly via a link member 18 by fitting the member 18 to the carriage 6. |
