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US 5,310,206 AGranted
Safety binding
Assigneesilvretta-sherpas Sportartikel GmbH
InventorsNorbert Eugler, Werner Schindler
Life of this patent
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Assigneesilvretta-sherpas Sportartikel GmbH
InventorsNorbert Eugler, Werner Schindler
Estimating the term…
The safety binding has a base part which is fixed with respect to the ski, a release part which is supported so as to be rotatable relative to the base part, and a guide jaw with clamping device for clamping the boot sole. In order to support the release part relative to the base part, this release part has at least three guide rolls which are supported so as to be freely rotatable and have circumferential grooves in which guide flanges engage, which guide flanges are downwardly and inwardly bent at the underside of the release part and engage in the guide grooves with their inwardly bent edges. Cut out portions are located between the guide flanges so that the release part can be freed from the guide rolls after a determined rotation relative to the base part. A release cam having a central locking recess and two symmetrically arranged control cams is securely connected with the release part. A control roll which is displaceable against the action of springs of a release mechanism engages in the locking recess in the operating position and rolls at one of the control cams during the releasing process.
In a safety binding for a boot holding deice in which the heel can be lifted, in which the boot is held in the binding at its front sole part by means of a clamping device which can be actuated at will, the binding being constructed in two parts and having a base part which is fixed with respect to the ski and a release part which is detachable from the base part during overloading by means of rotation relative to the base part and is held at the base part in the operating position by means of a release mechanism, the improvement comprising that the base part has at least three guide rolls which are supported so as to be freely rotatable and provided with circumferential grooves for guiding the release part, that the base part further has an adjustable release mechanism with springloaded releasing member, that the release part has a rotating plate with a number of downwardly and inwardly bent guide flanges corresponding to the number of guide rolls for engaging in the circumferential grooves of the guide rolls as well as a number of recesses between the guide flanges likewise corresponding to the number of guide rolls, and that the release part further has a release cam with control cams for the releasing process which cooperate with the releasing member of the base part.
Dependencies are inferred from the claim text.