| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a laser beam printer which is equipped with an openable/closable rear door 1 enhancing productivity. <P>SOLUTION: This laser beam printer is equipped with the openably/closably formed rear door 1 and a roller frame 2 which includes a supporting shaft 25 serving as a shaft for opening/closing the rear door 1. The roller frame 2 includes a locking-part guide hole 14; and the rear door 1 comprises a locking part 12 which is formed to be inserted into the guide hole 14, and a fitting part 21 which is fitted into the supporting shaft 25 from an opening 16 and formed to turnably hold the supporting shaft 25. the guide hole 14 is formed in accordance with the motion of the locking part 12, associated with the opening/closing motion of the rear door 1. The supporting shaft 25 is formed in such a shape as to have two planar parts obtained by cutting a cylindrical shape with horizontal planes parallel to each other, and the fitting part 21 is formed in the state of making a surface of the rear door 1 almost horizontal and horizontally directing the opening 16. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
