Land vehicles – Skates – Runner type
Patent
1995-03-22
1998-06-23
Boehler, Anne Marie
Land vehicles
Skates
Runner type
280 1112, A63C 132
Patent
active
057694346
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention pertains to sports equipment or vehicles with runners.
An ice skate with a basic unit attached to the sole of a boot and interchangeable runner blade attached of thereto is known from EP-427,920 A1. In this case the blade is clamped only at its front and rear ends by actuating a lever mechanism and is, moreover, sealed in shallow groove on the bottom of the basic unit consisting of plastic. It is not possible to achieve very substantial protection against warping and torsion of the parts joined together with this type of fastening.
The invention is intended to improve sports equipment or vehicles with runners in such a way that outstanding protection against warping and torsion is achieved at low overall weight and low manufacturing costs, with guaranteed exact fastening of the interchangeable and dimensionally precisely manufactured runner blade.
This problem is solved for sports equipment with runners.
Due to the stabilization rail and the nut-screw connections distributed over the entire length of the runner blade, which are very simple to install, outstanding bending strength and resistance to warping are achieved with a relatively light weight.
The subordinate claims pertain to advantageous refinements of the invention.
SUMMARY OF THE INVENTION
Thus, it is practical for the stabilization rail to be formed from a shaped rod.
The runner blade preferably consists of economical light metal or plastic and bears contact blade made of considerably more expensive resilient material. This allows the manufacturing costs for the interchangeable blades to be considerably reduced, as are the edge wear and risk of breakage of the blade.
Gripping ridges are seated on the contact blade and embedded in the material of the runner blade during injection molding to provide for a secure seating of the contact blade, which is subject to specific bending and shearing forces.
This feature makes possible an additional weight reduction of the runner while maintaining the high warping resistance and bending strength. The transverse cutouts and mounting devices therefore alternate over the entire length of the runner.
The upper rim of the stabilization rail surrounds the lower peripheral sections of the transverse cutouts in roughly a wave shape and in this way it optimally utilizes the fastening opportunities.
Either the stabilization rail can held in a vertical slit of the runner blade or the runner blade can be held in a vertical slit of the stabilization rail, with the insertion of the components inside one another further enhancing the stability of the arrangement.
Practical pertain to practical configurations of the retaining devices and the parts of the runner cooperating with them in order to achieve an easily assembled and secure fastening of the runner blade on the basic unit and the stabilization rail.
The basic unit may also be produced from economical and/or particularly light and warp-resistant material. The stabilization rail configured as a shaped rod consists preferably of light metal or carbon fiber material, such as Kevlar.
An even better anchoring of the basic unit to the sole of a skate boot is achieved by this arrangement.
Applicant's structure offers additional weight reduction of the basic unit and the runner blade.
Additional practical configurations of the mountain devices and the parts of the runner cooperating with them ease the mounting of a runner blade on the basic unit.
The runner blade is provided with a serrated steel blade arranged in the front area, which is particularly suited to figure skating and general recreational skating.
BRIEF DESCRIPTION OF THE DRAWINGS
Embodiment examples of the invention are explained the basis of the figures. These show in
FIG. 1 a schematic side view of a first embodiment of an ice skate boot according to the invention;
FIG. 2 a partial section along the line II--II in FIG. 1;
FIG. 3 an enlarged partial section along the line III--III in FIG. 1;
FIG. 4 a partial oblique view at roughly the
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Boehler Anne Marie
Nath Gary M.
Novick Harold
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