| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an opening and closing device of an opening and closing body, which does not generate a big noise when the opening and closing body is opened and closing by an electric motor. <P>SOLUTION: A screw member 53 is screwed to a screw rod 52 which is turned by the electric motor 51 and an arm 54 is attached to the screw member 53. The screw member 53 is moved by turning the screw rod 52 by means of the electric motor 51, so that the arm 54 operates a link mechanism 3 for opening and closing the opening and closing body 2. The screw member 53 is constituted of a resin internal thread body 60 held by a metal screw holding body 70 while the screw rod 52 is screwed into the resin internal thread body 60, and the arm 54 is attached to the screw holding body 70, so as to prevent a metal contact noise and a vibrational noise from being generated from the screwed portion of the screw rod 52, and the screw member 53. <P>COPYRIGHT: (C)2010,JPO&INPIT |
