| 摘要 |
<p>A spike in which a pawl (4) is formed at the fore end of a base (2), the tip of the pawl (4) is formed into a trapezoidal shape, a recessed part (6) is formed in the rear side of a portion from the pawl (4) to the base (2), and the recessed part (6) is curved in the longitudinal direction (7) of a spike (1). Spike shoes, in each of which a pawl (14) is formed at the fore end of a base (12) of a spike (11), the tip of the pawl (14) is formed into a trapezoidal shape, a recessed part (16) curved in the longitudinal direction of the spike (11) is formed on the rear side of a portion from the pawl (14) to the base (12), a flange (13) is formed at the top end of the base (12), irregularities (13a) are formed on the periphery of the flange (13), and a spike fitting (21) having a cylinder (22) on whose inner surface are formed irregularities (22b) fitted to the irregularities (13a) is fixed to a sole (41), the direction of the recessed part (16) being changed by varying the fitted condition.</p> |
