Patent ID: 7758062

Claim:
A boot-retaining unit of a binding for a ski for securing one end, the toe end, of a ski boot comprising two boot or sole holders ( 7 , 8 ) which are pivotable about vertical axes ( 9 ) and are designed as double-armed lever arms, wherein the portions of the lever arms adjacent to the ski boot engage an end region of the sole or ski boot from the side, front and/or top and wherein the portions of the lever arms remote from the sole interact with pneumatic pistons ( 10 , 11 ) which are displaceable in a direction transverse to the axis of the ski binding and are biased against said portions of the lever arms remote from the sole by means of a spring ( 12 ) which is common to both pistons and is clamped in between said pistons, wherein said vertical axes ( 9 ) of the boot holders ( 7 , 8 ) are arranged at the open ends of a cylindrical housing ( 6 ) displaceably guiding the pistons ( 10 , 11 ) and are substantially located within the piston cross section, as seen in an axial view of the pistons ( 10 , 11 ).