| 摘要 |
PCT No. PCT/AU83/00064 Sec. 371 Date Jan. 16, 1984 Sec. 102(e) Date Jan. 16, 1984 PCT Filed May 18, 1983 PCT Pub. No. WO83/03981 PCT Pub. Date Nov. 24, 1983.A golf swing aid comprising an elongate member including first and second end extremities; a first attachment at the first extremity and a second attachment at the second extremity; the first attachment adapted to be fixed to a rigid object above ground height and to constrain the elongate member to revolve in a path defining a cone, wherein the angle of elevation of the cone axis and the cone angle are independently adjustably fixed; and the second attachment is adapted to be secured to the shaft of a golf club and to be selectively clamped tightly thereto or allowed to slide with minimal resistance longitudinally along the shaft, the second attachment further adapted to allow universal type pivotal movement between the elongate member and the shaft.
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