Land vehicles – Skates – Shoe attaching means
Patent
1996-09-27
1998-04-07
Camby, Richard M.
Land vehicles
Skates
Shoe attaching means
280633, 280634, A63L 908
Patent
active
057355410
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a ski binding with a front jaw which is connected to a rear jaw by a carrier, the rear jaw being arranged on the carrier adjustably in the direction of the longitudinal extension thereof, and comprises a laterally pivotal device for holding down the sole, the device being supported against lateral pivoting by a pressure element which is displaceably mounted in the direction of the longitudinal extension of the carrier and is biased by at least one spring.
Ski bindings in which the rear jaw is arranged on a carrier connecting the two binding jaws have the advantage that the ski boot inserted in the ski binding does not impair the flexing behavior of the ski if the carrier is stationarily affixed to the ski in the range of the front jaw. In addition, it provides the simple possibility of mounting the structural unit comprised of the carrier and the two binding jaws for pivoting about a transverse axis in the range of the front jaw to enable the boot to be lifted off the ski in the range of the heel to facilitate a walking motion, without having to detach or adjust the ski binding. For this purpose, it is only necessary to provide a releasable latch for the carrier on the ski. However, difficulties are encountered in providing advantageous devices for a safety release of the ski binding, particularly for the lateral pivotal release of the front jaw, as it is known in ski bindings with non-pivotally mounted front jaws (EP-PS 0 031 740), in which a device for holding down the sole, which is laterally pivotal about a central pivoting axis, is supported by a forwardly mounted pressure element which is displaceably mounted in a housing associated with the front jaw and is biased by a compression spring. If the device for holding down the sole is subjected to a suitable torque, the pressure element is displaced by the device for holding down the sole against the longitudinal adjustment of the rear jaw, and the spindle thereof may also be arranged in the hollow section of the carrier so that, in totality, a very compact and light construction results, which permits the transfer of all the safety features of non-pivotally positioned ski bindings to ski bindings which are pivotal about a front transverse axis.
Since the hollow section of the carrier extends underneath the sole of the ski boot, it is necessary to provide for a suitable force transmission from the device for holding down the sole at the front jaw through the pressure element to the biasing spring arranged in the hollow section. Although this may be accomplished by various structures, particularly advantageous structural conditions are obtained if, according to a preferred feature of the invention, the pressure element is displaceably mounted in the hollow section or in a guide in a front jaw housing which is an extension of the hollow section, the device for holding down the sole at the front jaw, which is laterally pivotal about a central pivot axis, comprising two entrainment lugs downwardly projecting at respective sides of the pivot axis and engaging a free front face of the pressure element. In this case, the pressure element is positioned behind the entrainment lugs so that the front jaw with the device for holding down the sole forms the front end. The operation of the safety release of the front jaw is not influenced thereby because the lateral pivoting of the device for holding down the sole depends on the displacement of the pressure element against the force of the biasing spring.
To facilitate the release of the ski boot sole, it is known (FR-PS 2 511 602) to hold the central pivot axis for the lateral pivoting of the device for holding down the sole in a lower rocker bearing so that the device for holding down the sole, which is supported by a spring-biased pressure element, may tilt force of the compression spring until the sole of the ski boot is released from the device for holding down the sole. Thus, the compression spring determines the release force for the front jaw, which may be simply adjusted by the pre-t
REFERENCES:
patent: 4088342 (1978-05-01), Hausleitner
patent: 4134603 (1979-01-01), Zoor
patent: 5360229 (1994-11-01), Ardain et al.
WO 82/03182 * publ. Sep. 30, 1982.
Fritschi Andreas
Riedel Tilo
Camby Richard M.
Fritschi AG Apparatebau
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