| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ventilating opening of a structure for providing an opening adjusting position between full closure and full opening. <P>SOLUTION: This ventilating opening is movably stored in the longitudinal direction in a rotary body 7 rotatably supported by a shaft support part 8 arranged in a cylinder of a body part 3 by arranging a cylindrical shape 5 on a reverse surface of a panel part 4 and a shaft part 6 composed of a shape of regulating rotation on the panel part 4 side of the cylindrical shape 5. The ventilating opening of the structure for arranging the opening adjusting position between the full closure and the full opening, is provided by forming a constitution for arranging a continuous engaging recessed part 25 for rotating the rotary body 7 or holding the shaft part 6 in a predetermined position in response to the movement in the longitudinal direction of the shaft part 6 by moving and operating the panel part 4 in the longitudinal direction on an inner peripheral surface of the rotary body 7, by arranging an engaging projection part 13 in an outer peripheral part of the cylindrical shape 5 of the shaft part 6. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
