| 摘要 |
PURPOSE:To remove a head mechanism from a body simply after an assembly by providing an opening for detaching a screw fixing an end of a shaft for moving a head mechanism to a main body, to an attaching plate. CONSTITUTION:In a head mechanism 1, a shaft 28 is inserted into a through hole 16a, in a U groove 16b, a shaft 29 is put, the shafts 28, 29 are mounted on four L-shaped bearings 1j disposed on a body 1, and fastened by screws 38-40 by using supporting fittings 35-37 and attached to the body 1. A stepping motor 41 is a driving source for moving a head mechanism 15 on the shafts 28, 29. From openings 56t, 56u opened in an attaching plate 56, a driver is inserted to detach the screws 38, 39 and the head mechanism 15 can be removed from the main body 1 without removing the attaching plate 56. |
