| 摘要 |
A structure for adjusting backrest frame inclined angle of a chair includes a support frame pivotally engaged with a backrest frame to form the chair and two adjusting seats mounted to two sides of the support frame. The adjusting seats may match inclined angles of the backrest frame. There are two adjusting bars fastening to two sides of the backrest frame and having a displacement rod bridged therebetween. The adjusting bars may be moved to actuate the displacement rod changing displacements in the adjusting seats thereby to adjust the inclined angle of the backrest frame to give an user sitting on the chair most comfort.
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