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    • 3. 发明专利
    • Four leg stably setting structure, and four leg horizontally setting structure
    • 四杆稳定结构,四杆水平定位结构
    • JP2003061769A
    • 2003-03-04
    • JP2001250946
    • 2001-08-22
    • Satoshi Tanaka智 田中
    • TANAKA SATOSHI
    • A47B91/02
    • PROBLEM TO BE SOLVED: To provide a four leg structure which can easily set a work being supported by four legs such as a table, a chair, a barbecue stove or a ladder stably and horizontally even on the uneven ground.
      SOLUTION: In this structure wherein the work is supported by four legs, adjacent two legs 5A and 5B which are connected by a curved section 4 having an arc are connected with the work in a manner to be slidable in the arc direction. Then, confronted two legs 6A and 6B are fixed to the work, and thus, the four legs are stably set. Also, a height adjusting device 7 is provided for the two legs 6A and 6B which are fixed to the work, and the four legs are horizontally set.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种四脚架结构,即使在不平坦的地面上,也可以容易地将由桌子,椅子,烧烤炉或梯子四个腿支撑的工作稳定和水平地设置。 解决方案:在这种结构中,工件由四条腿支撑,通过具有弧形的弯曲部分4连接的相邻的两个腿部5A和5B以可在电弧方向上滑动的方式与工件连接。 然后,将两条腿6A和6B固定在工件上,从而稳定地设置四条腿。 此外,为固定在工件上的两个支腿6A和6B设置高度调节装置7,并且四个支脚水平设置。