| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a door closing chain order adjustor capable of adjusting a rotational arm at an optional angle by a simple constitution and executing an angle adjustment of the rotational arm from any direction in front and behind. <P>SOLUTION: The door closing chain order adjustor 1 for adjusting closing order of hinged double doors 19 and 20 constituted of a base section 4 fixed to a head 2 of a building, the rotational arm 6 connecting one end side to one end section of the base section around a shaft 5 toward the base section 4 in the vertical direction in a rotatable manner, a coil spring 8 energized in the direction projecting the rotational arm 6 forward from the head 2 and a roller 12 provided to the other end section of the rotational arm 6 around the shaft turned in the vertical direction in a rotatable manner is so constituted that a bracket 9 is mounted to the inside in one end section of the base section 4, an angle adjusting screw 10 is screwed to the bracket 9 to provide and that the front end section 7a of a lever block 7 mounted by incorporating with one end side of the rotational arm 6 is abutted on the head section 10a of the angle adjusting screw 10 in a state to project the rotational arm 6 forward from the head 2. <P>COPYRIGHT: (C)2004,JPO</p> |
