This paper designs a chair that can be converted into the ladder, table and stool. The chair consists of supporting leg, pedal, hinge, movable table board, desktop support legs, adjusting screw, chair back plate, chair front plate, stool panel, positioning block and movable legs, etc. By folding the rotating way, it can realize functions of the chair, ladder, table and stool. The product has the characteristics of simple operation, saving space, multiple functions, it can be used for student dormitory, families and office places.%设计了一种可转换为梯子和桌凳的多功能椅子,其结构组成包括支撑腿、踏板、合页、活动桌板、桌面支脚、调节螺钉、椅面后板、椅面前板、凳子面板,定位块及活动腿等.通过折叠旋转的方式,实现椅子、梯子、桌子和凳子的功能.该产品具有操作简单、节省空间、多功能等特点,该产品不仅可应用于学生宿舍,而且可推广到家庭及办公场所等.
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