发明名称 Supporting frame with adjustable connecting joints
摘要 The present invention relates to a supporting frame with adjustable connecting joint, which includes four spiral rods and several plates. The joint is taped and is provided with screwed inner surface for matching with the spiral rod. The taped joint is then adjustable to be rotated and moved upward or downward to change the position on the rod. While the plate is engaged with the joint, the space between the two nearby plates is also adjustable for receiving goods with different sizes that obtains utility and improvement.
申请公布号 US2004173551(A1) 申请公布日期 2004.09.09
申请号 US20030377611 申请日期 2003.03.04
申请人 WU WEN CHANG 发明人 WU WEN CHANG
分类号 A47B57/30;A47B57/54;(IPC1-7):A47F5/00 主分类号 A47B57/30
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