| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a chair for which an option member can be strongly attached in an area as large as possible to a backrest where a spreading member is spread with appropriate tension. <P>SOLUTION: The chair includes the backrest composed of a back frame 27 formed by connecting a pair of right and left side frame rods 29 by a connecting rod 220 in a horizontal direction and the spreading member spread to the back frame, and the option member is attached to the backrest so as to be positioned at the back of the backrest. The spreading member is spread so as to be wrapped around from the outer peripheral surface side of the connecting rod to the back surface side, and a support arm 230 of the option member is attached to the connecting rod so as not to be abutted to the spreading member and so as to be abutted to the connecting rod from below. <P>COPYRIGHT: (C)2013,JPO&INPIT |
