| 摘要 |
A prop fulcrum is provided to support the supported object stably according to the ground and usage, and to enable a user to carry it conveniently by minimizing a volume in being folded. A prop fulcrum includes: a support(10) having connection grooves formed in three directions with an angle of 120 degrees and a first shaft hole; a rotary compressor(30) having folding grooves(32) formed in three directions with an angle of 120 degrees, a second shaft hole, and a compression groove formed by saw teeth of a circular-arc shape on the bottom between the folding grooves; a shaft bolt protruded upwardly by penetrating the first and second shaft holes and a spring; the support pipe(50) for supporting a prop by being connected to the shaft bolt; and the legs(20) having a fixing part(21) shaft-connected to the connection groove. |
