| 摘要 |
PROBLEM TO BE SOLVED: To obtain a natural sitting feeling without any spring feeling by dealing with the difference of the weight of user's body regardless of the weight difference when a back frame is reclined backward. SOLUTION: This chair is provided with a receiving base 1 provided on the upper parts of legs, a seat frame 2 positioned at the upper part of the receiving base 1 and pivotally attached to the receiving base 1 at the front position, a back frame 3 positioned at the rear part of the receiving base 1, an arm 4 which is fixed at the lower part of the back frame 3 and extended forward and in which the position closer to the back frame 3 is pivotally attached to the rear position of the receiving stand 1, and a link 5 for linking the front position of the arm 4 with the seat frame 2. |
