| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a mechanism that can always make a chair user have the optimal seating attitude. <P>SOLUTION: The link mechanism used for a chair 400 includes: a first link 101 one end of which is connected with the bottom face of a link that supports the seat face part 301 of the chair 400; a second link 102 one end of which is connected with the other end of the first link 101; a first joint part 103 that is rotatably connected with the first link 101 and the second link 102; a second joint part 104 that is provided at the other end of the second link 102; and a first elastic resistance means 105 that gives the second joint part 104 rotational elasticity. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
