发明授权
US09400431B2 Supporting assembly with a rolling ball disposed directly below supporting rods and method for using the same 有权
支撑组件具有直接位于支撑杆下方的滚动球及其使用方法

Supporting assembly with a rolling ball disposed directly below supporting rods and method for using the same
摘要:
A supporting assembly configured to support a plurality of tubes includes a first supporting rod, a second supporting rod opposite to the first supporting rod, a bridging member, and a rolling member. The first supporting rod includes several first parallel recesses. The bridging member is connected to one end of the first supporting rod or one end of the second supporting rod. The rolling member is received by the bridging member.
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