Land vehicles – Skates – Shoe attaching means
Reexamination Certificate
1999-02-26
2001-05-08
Swann, J. J. (Department: 3611)
Land vehicles
Skates
Shoe attaching means
C280S635000
Reexamination Certificate
active
06227558
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an interface device between a ski and the elements for retaining a boot on the ski.
The invention also relates to an assembly for retaining a boot on a ski having the interface device, as well as to a ski having the interface device.
2. Description of Background and Relevant Information
International Patent Publication No. WO 96/35488 discloses an interface device having an elongated plate on which the two retaining elements are mounted. The plate is raised with respect to the ski. It is connected to the ski in its middle part via two projections whose distance can be adjusted. In addition, a shock absorbing element is wedged between each end of the plate and the ski.
Such a device generates greater concentrations of pressure in the middle zone of the ski. In addition, since both retaining elements are mounted on the same plate that is separate from the beam of the ski, the ski is freed of the stresses generated by the boot retaining elements.
This interface device provides satisfactory results because it allows the ski to bend naturally, and in a turn, the ski follows its trajectory along a normal curve. However, at high speeds, the ski is subject to a certain amount of floating because the plate is retained on the ski only over a short length. Furthermore, towards the front and rear, the ski is freed over a greater length than a traditional ski, and this is due, in fact, to the linking method of the plate. As a result, this makes the ski more sensitive to the vibrations caused by the relief of the terrain, and the plate acts like an insulating device between the boot and the ski.
SUMMARY OF THE INVENTION
An object of the invention is to provide an interface device of this type that improves the conditions in which the boot steers the ski, particularly providing a more fluid steering of the ski when there are alternately large and small curves to be taken.
Another object of the invention is to provide an interface device that frees the ski further in the area of its sliding surface.
Other objects and advantages of the invention will become apparent in the course of the following description.
The interface device according to the invention has a plate including a front portion with a mounting zone provided for a front retaining element, a rear portion with a mounting zone provided for a rear retaining element, and a non-extensible linkage between the two front and rear portions. For each portion and on each side, it has a lower wing that is set back with respect to the end of the plate portion, the wing being designed to be pressed against a lateral side edge of the ski, and for each wing a single journal element for binding the wings to the ski.
In its middle sliding surface zone, the ski according to the invention has a zone where its lateral side edges are substantially parallel and, in such zone, each of the lateral side surfaces of the ski has two openings or two series of openings provided for a journal binding element.
The ski equipped with the interface device has a plate that is spaced above the upper surface of the ski, including a front portion with a mounting zone provided for a front retaining element, a rear portion with a mounting zone provided for a rear retaining element, and a non-extensible linkage between the two front and rear portions. In its central sliding surface zone, the ski has a zone where both its lateral side edges are substantially parallel; each of the plate portions is connected to the ski via two lower wings that extend beneath the plate, and set back with respect to the end of the plate portion; the two wings are pressed against the lateral side edges of the ski; and each wing is fixed to the ski via a single binding journal element.
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Arduin Joel
Huyghe Christian
Phelipon Axel
Szafranski Pierre
Greenblum & Bernstein P.L.C.
Salomon S.A.
Shirver J. Allen
Swann J. J.
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