| 摘要 |
A supporting plate (14) is provided for supporting a foot within the instep area, the bending area or the shin-bone area of a boot. The supporting plate (14) is subjected to pressure in direction to the instep and bending joint or the shin-bone, respectively, by means of an actuating member formed of a lever (6), for which purpose a pressure member (9) is provided. The pressure member (9) is linked to the lever (6) for effecting a swivelling movement and is adjustable with respect to its effective length, for which purpose either the length of the pressure member (9) itself can be changed or a plurality of points (12) of engagement is provided via which the pressure member (9) cooperates with a protrusion (13) of the supporting plate (14) or with a spring leaf extending over the supporting plate (14).
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