Land vehicles – Skates – Runner type
Patent
1997-05-05
1999-08-31
Camby, Richard M.
Land vehicles
Skates
Runner type
280610, A63C 900
Patent
active
059443359
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a sliding device, in particular a ski, having a carrying structure as well as a core at least substantially rigidly connected therewith, and an elastically supported binding carrier arranged above the core in the longitudinal middle portion of the sliding device and extending at least over the binding area in the longitudinal direction of the sliding device.
A ski in a shell construction has, e.g., been known from DE 4 322 300 A1. In this ski, the spaces between the shell and the core are filled with an elastomer foam to improve its elastic properties and the damping, yet nevertheless, due to the connection of the shell with the lower strap, oscillations and impacts are transmitted to the ski binding.
A sliding device of the initially defined type in the form of a ski is furthermore known from DE-3 925 491 C2, wherein, as the binding carrier, a holding plate is arranged within a torsion box which is downwardly elastically supported on the core and is upwardly elastically supported on an aluminum plate. To fasten a ski binding, base plates are provided which rest on the holding plate via spacers and which are fastened by means of screws passing through the spacers and the holding plate; there, it is provided for the screws to penetrate into the core, whereby a rigid connection between the base plates--and thus also the ski binding--and the core is effected in a detrimental manner, and the elastic support of the holding plate is only insufficiently effective. On the other hand, the introduction of forces to the edges of the running faces via the upper holding plate is possible only insufficiently.
From AT 387 332 B, a ski having reinforcement inserts in the form of two sections angled in an obtuse angle is known, which sections overlap each other and are provided with a threaded bore in the attachment region for attachment of a binding. The superposed legs of the sections are both interconnected and connected to the ski core by gluing. Likewise, the laterally outwardly angled legs of the sections are connected with the core and the side faces formed by the core by gluing. Thus, there is a rigid connection between the core and the sections.
AT 323 614 B shows in a similar manner as AT 387 332 B, two reinforcement sections in the binding region which, together with a mounting plate for a binding, are screwed to the ski upper side. There, too, a rigid support of the binding is provided.
DE 39 33 717 A discloses a ski having several carrying and cover layers, an elastic bearing body being installed therebetween at least in the binding region. Yet, these layers and the elastic bearing body extend only over the width of the ski, only insufficient damping being enabled and the transmission of forces from the leg to the ski being impaired during skiing.
The invention has as its object to provide a sliding device of the initially defined type, in which a transmission of oscillations and impacts to the binding is avoided or at least dampened as much as possible, and in which an effective introduction of force for running on the edge is attained.
The sliding device according to the invention of the initially defined type is characterized in that the binding carrier is designed as a bending-resistant shell carrier which laterally embraces the core and is elastically supported. By these measures, the binding portions which are fastened to the shell carrier are advantageously mechanically uncoupled by the shell carrier from the remaining carrying structure, whereby a type of "integrated chassis" is obtained and whereby the transmission of oscillations is reliably avoided, yet the control function--with a corresponding length of the shell carrier--is not negatively affected. Above all, due to the shell shape of the binding carrier, i.e. a shape generally corresponding to an inverted "U", viewed in cross-section, it is not only possible to attain a comparatively higher stiffness of the binding carrier, but, in particular, also a direct introduction of force at the edges of the running faces is attai
REFERENCES:
patent: 3899186 (1975-08-01), Matsuda
patent: 5333889 (1994-08-01), Piegay et al.
patent: 5372370 (1994-12-01), Rohrmoser
patent: 5584496 (1996-12-01), Rohrmoser
patent: 5671940 (1997-09-01), Abondance
patent: 5758894 (1998-06-01), Maggiolo
Atomic Austria GmbH
Camby Richard M.
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