Safety ski binding

In a safety ski binding having connecting means for downhill or cross-country ski shoes having gripping soles made of rubber, said connecting means including at least one rear and one front holding member which have a constant distance from each other for all shoe sizes and thus provide a torque transmission from the ski shoe to the ski which is moment-balanced for all shoe sizes about a vertical axle arranged on the ski in the tibia area, said vertical axle pivotally supporting a cover plate swivelled against the force of a spring provided on said ski, and at least one initial-tensioning means for adjusting the force of said spring, the improvement comprising wherein said front holding member includes a holding jaw and a snap-off means for holding said holding jaw in engagement with the ski shoe, said holding jaw being movable between a ski shoe holding position and a ski shoe releasing position and a controlling means for controlling the swivelling moment of said cover plate against the force of said spring, wherein said initial-tensioning means has an operating member operable laterally of the ski, wherein said rear holding member is a heel holder having means for allowing said rear holding member to react only to vertical forces, wherein said controlling means includes a slide member having a recess therein, wherein guide means is provided for guiding said slide member for movement relative to said ski, wherein a roller means is provided on said cover plate and engages an edge surface of said recess so that a pivotal movement of said cover plate will cause said roller means to effect a movement of said slide member and, consequently, said cover plate against the urging of said spring.