| 摘要 |
An adjustable chassis for a chair includes a base member, a support member, and two support levers. Thus, the drive lever of the base member is drawn and moved by the first wire so as adjust the height of the chair seat relative to the adjustable chassis. In addition, the locking plate of the base member is drawn and moved by the second wire so as adjust the inclined angle of the chair backrest relative to the adjustable chassis. Further, the locking block is drawn and moved by the third wire so as adjust the position of the chair seat relative to the adjustable chassis.
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