Sideways releasable toe jaw of a ski binding

A sideways releasable ski binding for holding a front end of a ski boot (9) on a ski, the boot having a sole with an upper side, the binding comprising a binding house (11), a release spring arranged in the housing which extends substantially in a longitudinal direction of the ski along a line of action and which is supported at one end of the binding housing (11) and with another end exerts a release force having a substantial component in the longitudinal direction of the ski in a direction away from the ski boot, a sole clamp (22) for engaging the ski boot front end, the side limbs (24) being mounted to pivot sideways about at least one essentially upright tilt axis and release the ski boot (9) when the boot exerts a predetermine sideways force, the sole clamp (22) being vertically displaceably arranged on the binding housing (11) along at least one essentially upright sliding guide (25, 26, 35, 36) which is inclined relative to the lien of action (27) of the release spring force to cause the generation of a downwardly directed force component urging the hold-down member (23) against the upper side of the sole, the sliding guide (25, 26) including at least an upper section and a lower section (25', 26', 25", 26") which are so differentially inclined relative to the lien of action (27) of the release spring force that an instantaneous turning center (M) is formed which is arranged at a distance (a) above the line of action (27) of the release spring force, the upper section of the sliding strip (25) having a lesser inclination relative to the line of action (27) of the release spring than the lower section.