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A heel retainer for a combined downhill and touring binding for a ski, including: a base plate which can be fastened on an upper side of the ski; a connecting structure; a tensioning device for securely holding a ski boot in the heel retainer, including a sole retainer; a shifting mechanism using wh

A heel retainer for a combined downhill and touring binding for a ski, including: a base plate which can be fastened on an upper side of the ski; a connecting structure; a tensioning device for securely holding a ski boot in the heel retainer, including a sole retainer; a shifting mechanism using which the heel retainer can be moved from a travelling position to a walking position and vice versa; and a latching mechanism which latches at least parts of the heel retainer in the travelling position or in the walking position. The latching mechanism includes a latching lever which can be operated manually or using a ski pole and which latches the heel retainer at least in the travelling position, wherein the parts of the heel retainer for changing from the travelling position to the walking position and vice versa can be linearly shifted on the base plate.

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1. A heel retainer for a combined downhill and touring binding for a ski, comprising: a base plate which can be fastened on an upper side of the ski;a connecting structure;a tensioning device for securely holding a ski boot in the heel retainer, comprising a sole retainer;a shifting mechanism using

1. A heel retainer for a combined downhill and touring binding for a ski, comprising: a base plate which can be fastened on an upper side of the ski;a connecting structure;a tensioning device for securely holding a ski boot in the heel retainer, comprising a sole retainer;a shifting mechanism using which the heel retainer can be moved from a travelling position to a walking position and vice versa; anda latching mechanism which latches at least parts of the heel retainer in the travelling position or in the walking position,wherein the latching mechanism comprises a latching lever which can be operated manually or using a ski pole and which latches the heel retainer at least in the travelling position,wherein the parts of the heel retainer for changing from the travelling position to the walking position and vice versa can be linearly shifted on the base plate,wherein the latching lever is connected to the connecting structure via a spindle plate, andwherein the latching lever is connected in a lever pivoting joint to a fastening device which is fixed to the ski, and is connected in a spindle plate pivoting joint to a front end of the spindle plate, wherein the lever pivoting joint and the spindle plate pivoting joint do not coincide. 2. The heel retainer according to claim 1, wherein the fastening device comprises a mounting which forms part of the lever pivoting joint, and a guiding portion which is connected to the base plate. 3. The heel retainer according to claim 1, wherein the lever pivoting point and the spindle plate pivoting point form a toggle lever. 4. The heel retainer according to claim 1, wherein the fastening device forms a guide for the spindle plate to prevent the spindle plate from flexing upwards. 5. A heel retainer for a combined downhill and touring binding for a ski, comprising: a base plate which can be fastened on an upper side of the ski;a connecting structure;a tensioning device for securely holding a ski boot in the heel retainer, comprising a sole retainer;a shifting mechanism using which the heel retainer can be moved from a travelling position to a walking position and vice versa; anda latching mechanism which latches at least parts of the heel retainer in the travelling position or in the walking position,wherein the latching mechanism comprises a latching lever which can be operated manually or using a ski pole and which latches the heel retainer at least in the travelling position,wherein the parts of the heel retainer for changing from the travelling position to the walking position and vice versa can be linearly shifted on the base plate, andwherein the latching lever is connected to the connecting structure via a spindle plate and a rear end of the spindle plate comprises a connecting region featuring grooves with which an outer thread of a holding element engages.