| 摘要 |
<p>The roller (1) has a support plate (4) that is fixed above a chassis (2) by a fixation unit (6) e.g. screw nut, and an upper rod (10) mounted pivotingly toward rear part with respect to the support plate. A front rod (13) is equipped with a plating device (35) plating against an instep (15) of a shoe (9), where the shoe has a strap (36) passing through two openings arranged directly or indirectly respectively on lateral sides (18) of the support plate. Two ends of the strap are subjected to the upper rod.</p> |
