| 摘要 |
<p>A golf training club includes a hinge which comprises male and female members (7 and 8), the female member having two side limbs (12) which are pivoted to the male member on a pivot pin, a spring (21) made of a strip of spring material, having retaining means, is removably secured to the female member at the base between the side limbs, and the male member has projecting hardened spherical surfaces (20) such that when the hinge is assembled the spherical surfaces engage the retaining means in the strip of spring material to hold the hinge in its unhinged position.</p> |
