U.S. patent application number 10/602877 was filed with the patent office on 2004-02-19 for gliding apparatus having two surfaces.
This patent application is currently assigned to SALOMON S.A., Metz-Tessy, France. Invention is credited to Farcot, David, Rancon, Henri.
Application Number | 20040032113 10/602877 |
Document ID | / |
Family ID | 29717145 |
Filed Date | 2004-02-19 |
United States Patent
Application |
20040032113 |
Kind Code |
A1 |
Rancon, Henri ; et
al. |
February 19, 2004 |
Gliding apparatus having two surfaces
Abstract
A gliding apparatus having a support surface and a gliding
surface, the surfaces being opposite one to the other so as to
provide a spacing therebetween. The surfaces substantially have a
common length. The support surface is wider than the gliding
surface. A closed volume is demarcated between the support and
gliding surfaces.
Inventors: |
Rancon, Henri;
(Cran-Gevrier, FR) ; Farcot, David; (Annecy,
FR) |
Correspondence
Address: |
GREENBLUM & BERNSTEIN, P.L.C.
1950 ROLAND CLARKE PLACE
RESTON
VA
20191
US
|
Assignee: |
SALOMON S.A., Metz-Tessy,
France
|
Family ID: |
29717145 |
Appl. No.: |
10/602877 |
Filed: |
June 25, 2003 |
Current U.S.
Class: |
280/609 |
Current CPC
Class: |
A63C 5/03 20130101 |
Class at
Publication: |
280/609 |
International
Class: |
A63C 005/044 |
Foreign Application Data
Date |
Code |
Application Number |
Jun 26, 2002 |
FR |
02 08274 |
Claims
What is claimed is:
1. A gliding apparatus comprising: a support surface provided to
support a rider's two feet; a gliding surface provided to glide
along a surface; said support and gliding surfaces being opposite
one to the other providing a spacing therebetween; said support and
gliding surfaces substantially having the same length; said support
surface being wider than said gliding surface; and a closed volume
is demarcated between said support and gliding surfaces.
2. A gliding apparatus according to claim 1, wherein: a first
shovel of the support surface and a first shovel of the gliding
surface meet; a second shovel of the support surface and a second
shovel of the gliding surface meet; a first lateral side edge
connects a first edge of the gliding surface to a connecting
surface of the support surface; and a second lateral side edge
connects a second edge of the gliding surface to the connecting
surface of the support surface.
3. A gliding apparatus according to claim 2, wherein: the first and
second shovels are respectively tangent one to the other and
coupled one to the other.
4. A gliding apparatus according to claim 2, wherein: the first
shovel comprises a curved portion having center(s) of curvature on
the side of a top of the support surface.
5. A gliding apparatus according to claim 1, wherein: a support
cover is affixed to a top of the support surface.
6. A gliding apparatus according to claim 1, wherein: longitudinal
grooves are provided on a side of a bottom of the gliding
surface.
7. A gliding apparatus according to claim 6, wherein: the grooves
extend both along a central portion and partially at least along
the shovels of the gliding surface.
8. A gliding apparatus according to claim 6, wherein: said
longitudinal grooves are constituted by three grooves.
9. A gliding apparatus according to claim 2, wherein: the gliding
apparatus has two main portions, said two main portions comprising
a first portion having the support surface, the lateral side edges,
and the gliding surface, the support surface having an opening, and
a second portion comprising a cover for closing the opening.
10. A gliding apparatus according to one of claims 2, wherein: the
gliding apparatus has two main portions, said two main portions
comprising a first portion having the gliding surface and the
lateral side edges, and a second portion formed by the support
surface.
11. A gliding apparatus according to claim 2, wherein: the gliding
apparatus has two main portions, said two main portions comprising
a first portion being the gliding surface, the second portion being
the support surface, said two main portions being affixed one to
the other by an intermediary layer that extends between the
surfaces, opposite the gliding surface.
Description
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application is based upon French Patent Application No.
02.08274, filed Jun. 26, 2002, the disclosure of which is hereby
incorporated by reference thereto in its entirety, and the priority
of which is hereby claimed under 35 U.S.C. .sctn.119.
BACKGROUND OF THE INVENTION
[0002] 1. Field of the Invention
[0003] The invention relates to a gliding apparatus, such as a
snowboard, for example, having a support surface and a gliding
surface. The apparatus is provided to be steered by the physical
action of a user, with or without the assistance of gravity.
[0004] 2. Description of Background and Relevant Information
[0005] Apparatuses of the aforementioned type are generally used on
slippery ground, such as snow or ice, and occasionally grass or
sand.
[0006] U.S. Pat. No. 3,343,847 discloses such an apparatus.
[0007] The apparatus of this patent has a support surface for
supporting the rider's two feet, and a gliding surface provided to
glide. The two surfaces are affixed one to the other so as to be
opposite one to the other, and so as to provide a spacing between a
connecting surface of the support surface and a connecting surface
of the gliding surface. The surfaces substantially have the same
length, and the support surface is wider than the gliding surface.
This apparatus allows for travel on different types of ground along
a continuous course or along a course interrupted with turns.
[0008] In the case of hard ground, for example, constituted of ice
or packed snow, the apparatus remains on the surface. A user can
use any steering style. However, it appears that snow would tend to
accumulate between the surfaces, particularly during turns.
[0009] In the case of soft or powdery ground, for example, composed
of powdery or soft snow, the apparatus sinks, sometimes until
contact of the support surface with the ground, other times until
complete immersion. Regardless of the sinking depth, snow would
still accumulate between the surfaces to form a wedge filling the
volume between the surfaces. The wedge itself rubs against the snow
during the steering of the apparatus, slowing it down. Therefore,
the wedge weighs down the apparatus. As a result, the steering of
the apparatus is more difficult since it requires more effort.
SUMMARY OF THE INVENTION
[0010] One of the objects of the invention is to make it easier to
steer of a gliding apparatus, particularly on soft or powdery
ground.
[0011] To this end, the invention proposes a gliding apparatus
having a support surface provided to support a user's feet, and a
gliding surface provided to glide, the two surfaces being opposite
one to the other so as to provide a spacing therebetween, the
surfaces substantially having the same length, the support surface
being wider than the gliding surface.
[0012] A closed volume is demarcated between the support and
gliding surfaces of the apparatus according to the invention. For
instance, a first shovel of the support surface and a first shovel
of the gliding surface meet, a second shovel of the support surface
and a second shovel of the gliding surface meet, a first lateral
side edge connects a first edge of the gliding surface to a
connecting surface of the support surface, and a second lateral
side edge connects a second edge of the gliding surface to the
connecting surface of the support surface. The junctions of the
surface end zones and the side edges close the volume between the
surfaces. Consequently, snow or other material cannot accumulate
therein. No wedge is formed between the surfaces.
[0013] As a result, no additional friction is induced by the nature
of the ground covered, and no additional weight is added to the
apparatus during steering. An advantage that follows is an easier
steering, particularly on a soft or powdery ground.
BRIEF DESCRIPTION OF DRAWINGS
[0014] Other characteristics and advantages of the invention will
be better understood from the following description, with reference
to the attached drawings showing, according to non-limiting
examples, how the invention can be embodied, and in which:
[0015] FIG. 1 is a top perspective view of a gliding apparatus
according to a first example of embodiment of the invention;
[0016] FIG. 2 is a bottom perspective view of the apparatus of FIG.
1;
[0017] FIG. 3 is a side view of the apparatus of FIG. 1;
[0018] FIG. 4 is a cross-section along the line IV-IV of FIG.
3;
[0019] FIG. 5 is a cross-section along the line V-V of FIG. 3;
[0020] FIG. 6 is a cross-section similar to FIG. 4, according to a
second embodiment of the invention;
[0021] FIG. 7 is a cross-section similar to FIG. 4, according to a
third embodiment of the invention.
DETAILED DESCRIPTION OF THE INVENTION
[0022] The first embodiment of the invention is described
hereinafter with reference to FIGS. 1-5.
[0023] As known and as seen in FIG. 1, a gliding apparatus 1 has a
support surface 2 provided to support the user's two feet, and a
gliding surface 3 provided to glide. The two surfaces 2, 3 are
opposite one to the other so as to provide a spacing
therebetween.
[0024] The apparatus 1 extends longitudinally from a first 4 to a
second 5 limit, each of the limits 4, 5 can be considered as the
front or as the rear. The apparatus 1 extends transversely from a
first 6 to a second 7 side; each of the sides 6, 7 can be
considered as the right side or as the left side.
[0025] The perimeter of the support surface 2 has a first end 10, a
first lateral edge 11, a second end 12, and a second lateral edge
13. A top 14 of the support surface is provided to receive the
user's feet.
[0026] According to the embodiment, a support cover 15 is
preferably affixed to the top 14 of the support surface. In
particular, the support cover 15 allows a good adherence of the
feet or boots to the top 14, facilitating the steering of the
apparatus. The support cover 15 can be constituted of one or
several layers of flexible material(s) having a relatively high
coefficient of friction. For instance, a layer of flexible plastic
foam, made of polyurethane, ethylene vinyl acetate, or any similar
material, for example, can be used. The support cover 15 is affixed
to the top 14 in any suitable manner, such as by an adhesive,
stapling, stitching, rivets, screws, or the like.
[0027] The support cover 15 can substantially cover the entirety of
the top 14, although it could only cover a portion.
[0028] Although shown in the form of a unitary element, the support
cover 15 can have several portions that are juxtaposed or
non-juxtaposed.
[0029] Furthermore, the support surface 2 has, from the first 10 to
the second 12 end, a first shovel 20, a first receiving portion 21,
a central portion 22, a second receiving portion 23, and a second
shovel 24. It is to be understood that each shovel 20, 24 is a
raised end portion of the support surface 2. Each of the shovels
20, 24 is shown in the form of a curved portion, whose center(s) of
curvature is on the side of the top 14. Each of the shovels could
nonetheless have a different structure, such as that of a raised
straight portion, or of a raised curved portion, but whose
center(s) of curvature would be on the side opposite to the top
14.
[0030] It is also to be understood that each receiving portion 21,
23 is a preferred portion for receiving the user's feet during a
steering in which the gliding apparatus 1 remains in contact with
the snow, or other gliding surface, over its entire length. The
feet, however, can be positioned anywhere on the support surface
2.
[0031] The support surface 2 is preferably made of plastic, such as
polyoxymethylene, polyethylene, acetyl-butadiene-styrene,
polyurethane, or the like, although other materials could be used.
For instance, it can be provided to use wood, in the form of wood
core plywood, or the like. It could also be provided to stack a
reinforcement of composite material, a foam and/or wood core, and
another reinforcement of composite material. The reinforcements can
be covered with layers for protecting against external impacts and
abrasions, such as a layer of plastic.
[0032] As seen better in FIG. 2, the gliding surface 3 has a
perimeter that has a first end 25, a first lateral edge 26, a
second end 27, and a second lateral edge 28.
[0033] A bottom 35 of the gliding surface 3 is provided to glide
upon a support; the latter can be ice, snow, grass, a synthetic
material, or the like.
[0034] The gliding surface 3 has, from the first 25 to the second
27 end, a first shovel 36, a central portion 37, and a second
shovel 38. Here again, each shovel 36, 38 must be understood as
being a raised end portion of the gliding surface 3. Each of the
shovels 36, 38 is shown in the form of a raised portion whose
center(s) of curvature is located on the side opposite the bottom
35. This form is not limiting.
[0035] The gliding surface 3 is preferably constituted of a plate
made of plastic. For instance, polyoxymethylene, polyethylene,
acetyl-butadiene-styrene, polyurethane, or the like, could be
used.
[0036] The gliding surface 3, however, could be constituted by a
ski. For instance, it would be formed of a vertical stacking that,
bottom up, can be composed of a gliding layer, a lower
reinforcement, a core, an upper reinforcement, and possibly a
protective layer. This stacking essentially includes composite
materials, and possibly wood. The edges 26, 28 and/or the ends 25,
27 of the gliding surface 3 can have running edges.
[0037] Other materials can be used to make the gliding surface
3.
[0038] The support 2 and gliding 3 surfaces substantially have the
same length. Each surface 2, 3 can be slightly shorter, the same
length, or longer than the other. The support surface 2 is wider
than the gliding surface 3. The lateral edges 11, 13 of the support
surface 2 overhang with respect to the gliding surface 3. Thus, the
forces exerted by the user's feet on the top 14, in the area of the
lateral edges 11, 13, are transmitted to the gliding surface 3
while being amplified. A resulting advantage is a decrease in
fatigue when steering the apparatus 1. Due to the overhang, the
user can, with his/her feet, exert a torque for tilting the
apparatus, allowing for an edge setting by sinking one of the
lateral edges 26, 28 in the snow.
[0039] According to the invention, and as seen better in FIG. 3,
the first shovel 20 of the support surface 2 and the first shovel
36 of the gliding surface 3 meet. Similarly, the second shovel 24
of the support surface 2 and the second shovel 38 of the gliding
surface 3 meet. Toward each of the first 4 and second 5 limits of
the gliding apparatus 1, the first 20, 36 and second 24, 38 shovels
are respectively tangent one to the other and coupled one to the
other. The first 20, 36 and second 24, 38 shovels are respectively
superimposed one on the other to form a single end portion. Each
portion has an aspect similar to that of the shovels. In
particular, each portion has a curvature whose center(s) is located
on the side of the top 14 of the support surface 2. This structure
imparts to the apparatus 1 a good aptitude for clearing a path
through the snow.
[0040] As seen in FIG. 4, a first lateral side edge 39 connects the
first lateral edge 26 of the gliding surface 3 to a connecting
surface 40 of the support surface 2. Similarly, a second lateral
side edge 41 connects the second lateral edge 28 of the gliding
surface 3 to the connecting surface 40. The top 14 and the
connecting surface 40 demarcate the thickness of the support
surface 2. In the traverse direction, the first 39 and second 41
side edges close the space between the support 2 and gliding 3
surfaces.
[0041] Consequently, a closed volume 42 is demarcated between the
support 2 and gliding 3 surfaces. The closure of the volume 42
prevents the accumulation of foreign matter, such as snow, between
the surfaces 2, 3. That is why the apparatus 1 is not weighed down
during the steering. In addition, the side edges 39, 41
respectively have an even surface 43, 44 for contact with the snow.
This promotes the gliding of the side edges 39, 41 and,
consequently, of the apparatus 1 over the snow.
[0042] According to the first embodiment, the support surface 2 has
a central longitudinal opening 50 that is closed by a cover 51.
This allows manufacturing the gliding apparatus 1 in two main
portions.
[0043] The first portion has the support surface 2, except for the
cover 51, the lateral side edges 39, 41, the gliding surface 3 and,
although not necessarily, ribs 52, 53, 54 originating from the
gliding surface and projecting toward the central opening 50. An
example of distribution of the ribs is seen in FIG. 5. The first
portion is preferably a unitary element obtained, for example, by
plastic injection. Any other manufacturing method could be used,
such as the assembly of various elements of the first portion by
any appropriate means.
[0044] As for the second portion, it is constituted by the cover
51. The latter can be made of plastic, for example.
[0045] In order to form the gliding apparatus 1, it suffices to
close the opening 50 of the support surface 2 with the cover 51.
The closure can be permanent. It can be obtained by any appropriate
means, such as gluing, welding, or the like.
[0046] The closure could be temporary, in which case the cover 51
could be screwed, ratcheted, or affixed by any appropriate means
for this purpose. The closed volume 42 is thus demarcated by the
cover 51 on the side of the support surface 2. This volume can
remain hollow or be filled with a plastic foam or any equivalent
material. The type of filling contributes to dampening the
vibrations. In addition to its main function mentioned previously,
the support cover 15 hides the peripheral limit 55 of the opening
50 and of the cover 51.
[0047] In a complementary manner and as seen in FIGS. 2 and 4,
guiding grooves are provided. These grooves are provided on the
side of the bottom 35 of the gliding surface 3. They are oriented
along the length of in the apparatus 1, and they improve the
stability of the apparatus in steering, particularly when the
apparatus 1 glides flat on the snow.
[0048] According to the embodiment, there are three grooves, namely
a first lateral groove 56, a central groove 57, and a second
lateral groove 58. For each of the lateral grooves 56, 58, a
section with ridges was provided, in order to promote the steering
stability on a flat surface. For the central ridge, a rounded
concave section was provided, which can be useful during certain
acrobatic maneuvers. As a matter of fact, the user can take support
with the bottom 35 on a relief that is itself rounded, such as that
of a railing.
[0049] A different number of grooves could be provided, as well as
various forms for their sections.
[0050] Preferably, the grooves extend both along the central
portion 37 and partially at least along the shovels 36, 38. This
makes them efficient on all types of snow.
[0051] Other embodiments of the invention are presented hereinafter
with reference to FIGS. 6 and 7.
[0052] For reasons of convenience, only the differences with
respect to the first embodiment are described in detail.
[0053] The second embodiment is presented with reference to FIG. 6,
which relates to a gliding apparatus 70 that has a support surface
71 and a gliding surface 72. The surfaces 71, 72 are connected one
to the other by a first lateral side edge 73, a second lateral side
edge 74, and ribs 75, 76, 77 originating from the gliding surface
72. Here again, the apparatus 70 has two main portions. However,
these portions are different from the ones according to the first
embodiment. The first portion has the gliding surface 72, the
lateral side edges 73, 74, and the ribs 75, 76, 77. The second
portion is formed by the support surface 71. Each of the portions
is preferably a unitary element. The portions are assembled by any
means in order to form the gliding apparatus 70.
[0054] The third embodiment is shown with reference to FIG. 7,
which relates to a gliding apparatus 90 that has a support surface
91 and a gliding surface 92. Here again, the apparatus 90 has two
main portions, yet these portions differ from the ones according to
the preceding embodiments of the invention. The first portion is
the gliding surface 92, the second is the support surface 91. The
portions are affixed one to the other by an intermediary layer 93
that extends between the surfaces 91, 92 opposite to the gliding
surface 92. The intermediary layer can be made of any natural or
synthetic material, such as cork, wood, plastic foam, or the like.
The affixing of the intermediary layer to the surfaces occurs by
any appropriate means.
[0055] The invention can be made from all of the materials used
according to all of the techniques known to one skilled in the
art.
[0056] Preferably, the apparatus is substantially longitudinally
symmetrical, i.e., with respect to a central transverse axis. It is
also preferred to be substantially transversely symmetrical, with
respect to a central longitudinal axis. Thus, each limit 4, 5 of
the apparatus can be the front or the rear.
[0057] The length of the apparatus 1, 70, 90 is preferably between
60 and 100 centimeters, its width between 15 and 30 centimeters,
and its central height between 3 and 10 centimeters
[0058] The invention is not limited to the particular details of
the embodiments described hereinabove, and it includes all
technical equivalents that come within the scope of the following
claims.
[0059] Specifically, it is possible to provide other structures for
the constitutive portions of the apparatus.
* * * * *