| 摘要 |
The present invention relates to an elastic-operated angle change chair, comprising: a chair body part comprising a seat and a back; a leg part having right and left front legs vertically erected, right and left horizontal bars horizontally connected to the rear parts of the right and left front legs, right and left rear legs vertically connected to the ends of the rear parts of the right and left horizontal bars, and a base plate having front ends rotatably connected to the right and left front legs through rotating shafts, between the upper parts of the right and left front legs, wherein the seat of the chair body part is fixed to be mounted on the upper surface of the base plate; elastic support parts mounted to move back and forth along the right and left horizontal bars and having arc-shaped right and left lower pipes with embedded elastic springs, wherein the lower parts of arc-shaped right and left upper pipes are inserted and interposed into the upper parts of the right and left lower pipes, and the upper parts of the right and left upper pipes support the base plate from the lower part thereof while being elastically supported by the elastic springs with the upper parts of the right and left upper pipes facing the lower surface of the base plate; and an angle change part having a driving shaft rotatably mounted between the right and left horizontal bars, wherein the driving shaft has an operating lever at the end of one side passing through the outside of the right and left horizontal bars, and a support having a roller mounted thereon, which touches the lower surface of the base plate to roll, is vertically fixed to be attached to the center of the upper surface of the driving shaft, thereby allowing the support to horizontally support the base plate or incline the base plate in a lower right direction, according to the rotation and reverse rotation of the operating lever. |
