Cross country ski binding

Cross country ski binding assembly comprising:

• forward ski boot support element means fixedly attachable to a ski, said support element means including portions supportingly engageable with a forward sole extension of a ski boot in such a manner as to permit lifting of the rear part of said ski boot from the ski, with a pivotal elastic rolling movement of the ski boot and sole extension about a cross-axis located at the sole extension forwardly of the toe part of the boot,
• and resiliently biased latching means for latching the sole extension to said ski, said latching means being movable against a resilient return force from a latching position to a release position, said latching means being configured so that said sole extension automatically moves said latching means toward said release position to accommodate insertion of said sole extension to a predetermined in use skiing position with said latching means then automatically moving to said latching position to latch said sole extension with said portions of said support element means supporting engaging said sole extension to assist said latching means in maintaining said sole extension in said in-use position, wherein a sole insert imbedded in the boot sole, especially a steel spring strip, is provided as one of a latching and matching element for said latching means, the sole insert is in mesh and/or can be brought into mesh with a baseplate of the support element means by means of the latching element and matching latching element, and the sole insert includes a recess or a bend, and wherein a baseplate integral with the ski is provided with a bend which meshes with said recess or bend in the sole insert when the boot is in the latched position.

Cross country ski binding assembly comprising:

• forward ski boot support element means fixedly attachable to a ski, said support element means including portions supportingly engageable with a forward sole extension of a ski boot in such a manner as to permit lifting of the rear part of said ski boot from the ski, with a pivotal elastic rolling movement of the ski boot and sole extension about a cross-axis located at the sole extension forwardly of the toe part of the boot,
• and resiliently biased latching means for latching the sole extension to said ski, said latching means being movable against a resilient return force from a latching position to a release position, said latching means being configured so that said sole extension automatically moves said latching means toward said release position to accommodate insertion of said sole extension to a predetermined inuse skiing position with said latching means then automatically moving to said latching position to latch said sole extension with said portions of said support element means supportingly engaging said sole extension to assist said latching means in maintaining said sole extension in said in-use skiing position, wherein said latching means is in the form of a leaf spring which is fixedly attached to said support element means, said leaf spring including a bent part engageable in a recess in said sole extension, said leaf spring is fixedly attached to said support element at a position rearwardly of said recess when said sole extension is in the in-use position, said leaf spring has a free forward end which forms a release handle, and wherein said leaf spring is fixedly attached to the top of the support element means.

Cross country ski binding assembly comprising:

• forward ski boot support element means fixedly attachable to a ski, said support element means including portions supportingly engageable with a forward sole extension of a ski boot in such a manner as to permit lifting of the rear part of said ski boot from the ski, with a pivotal elastic rolling movement of the ski boot and sole extension about a cross-axis located at the sole extension forwardly of the toe part of the boot,
• and resiliently biased latching means for latching the sole extension to said ski, said latching means being movable against a resilient force from a latching position to a release position, said latching means being configured so that said sole extension automatically moves said latching means toward said release position to accommodate insertion of said sole extension to a predetermined in-use skiing position with said latching means then automatically moving to said latching position to latch said sole extension with said portions of said support element means supportingly engaging said sole extension to assist said latching means in maintaining said sole extension in said in-use skiing position, wherein said latching means is in the form of a leaf spring which is fixedly attached to said support element means, said leaf spring including a bent part engageable in a recess in said sole extension, said leaf spring is fixedly attached to said support element at a position rearwardly of said recess when said sole extension is in the in-use skiing position, said leaf spring has a free forward end which forms a release handle, and wherein said leaf spring is fixedly attached to a sidewall of said support element.

Cross country ski binding assembly comprising:

• forward ski boot support element means fixedly attachable to a ski, said support element means including forwardly converging guiding sidewall portions supportingly engageable with a flexible forward sole extension of a ski boot in such a manner as to permit lifting of the rear part of said ski boot from the ski, with a pivotal elastic rolling movement of the ski boot and sole extension about a cross-axis located at the sole extension forwardly of the toe part of the boot,
• and resiliently biased latching means for latching an end portion of the sole extension to said ski, said latching means including a resilient member directly engageable with a surface on said sole extension to resiliently force said sole extension forwardly against said converging portions to retain said sole extension in a position with said portions of said support element means supportingly engaging said sole extension to assist said latching means in maintaining said forward sole extension and therewith the ski boot in an in-use skiing position,
• wherein said latching means is in the form of a leaf spring which is fixedly attached to said support element means, said leaf spring including a bent part engageable in a recess in said sole extension, said leaf spring is fixedly attached to said support element means at a position rearwardly of said recess when said sole extension is in the in-use skiing position, and wherein said leaf spring is fixedly attached to the top of the support element means.

Cross country ski binding assembly comprising:

• forward ski boot support element means fixedly attachable to a ski, said support element means including portions supportingly engageable with a forward sole extension of a ski boot in such a manner as to permit lifting of the rear part of said ski boot from the ski, with a pivotal elastic rolling movement of the ski boot and sole extension about a cross-axis located at the sole extension forwardly of the toe part of the boot,
• and resiliently biased latching means for latching the sole extension to said ski, said latching means including a resilient member directly engageable with a surface on said sole extension to resiliently force said sole extension toward a position with said portions of said support element means supportingly engaging said sole extension to assist said latching means in maintaining said forward sole extension and therewith the ski boot in said in-use skiing position, wherein said latching means is in the form of a leaf spring which is fixedly attached to said support element means, said leaf spring including a bent part engageable in a recess in said sole extension, said leaf spring is fixedly attached to said support element means at a position rearwardly of said recess when said sole extension is in the in-use skiing position, said leaf spring has a free forward end which forms a release handle, and said leaf spring is fixedly attached to a sidewall of said support element means.

Cross country ski binding assembly comprising:

• forward ski boot support element means fixedly attachable to a ski, said support element means including forwardly converging guiding sidewall portions supportingly engageable with a forward sole extension of a ski boot in such a manner as to permit lifting of the rear part of said ski boot from the ski, with a pivotal elastic rolling movement of the ski boot and sole extension about a cross-axls located at the sole extension forwardly of the toe part of the boot,
• and resiliently biased latching means for latching an end portion of the sole extension to said ski, said latching means including a resilient member directly engageable with a surface on said sole extension to resiliently force said sole extension forwardly against said converging portions to retain said sole extension in a position with said portions of said support element means supportingly engaging said sole extension to assist said latching means in maintaining said forward sole extension and therewith the ski boot in an in-use skiing position, wherein said forwardly converging sidewall portions are wedge-shaped so as to enable the sole extension to rest with its sides fitting like a wedge against the converging sidewall portions,
• and wherein said support element means further comprises an upper guiding wall portion, said upper guiding wall portion extending between said sidewall portions and being diagonally downwardly and forwardly directed so as to enable an upper portion of the forward sole extension to fit thereagainst.

A ski binding, especially of the touring or cross country type, in which the ski boot is held by a front extension of the sole of the boot which engages itself in an archplate secured to the ski, said archplate having a stationary horizontally extending upper part and defining an area whose form corresponds in width and height to that of the extension of the sole, fastening means connected to the archplate and including a fastening element movable downwardly from above said extension of the sole and engageable with an upwardly opening stop surface situated on an upper portion of the extension between the front of the archplate and the body of the boot to fasten the boot to the ski, wherein said fastening means comprises a linkage of a plurality of pivotally connected levers, wherein said fastening element is located at a first end of a first of said levers, wherein a second one of said levers is pivotally connected to said archpalte adjacent a first end thereof and is also pivotally connected to said first lever at a location longitudinally displaced from the fastening element in a manner causing said linkage to be operative for enabling said fastening element to execute both a downward swinging movement toward said stop and a forward movement applying a force to said front extension directed into said archplate, when said binding is shifted from a disengaged position to an engaged position.