CA2309893A1 - A device to enable a person to move on the snow - Google Patents
A device to enable a person to move on the snow Download PDFInfo
- Publication number
- CA2309893A1 CA2309893A1 CA 2309893 CA2309893A CA2309893A1 CA 2309893 A1 CA2309893 A1 CA 2309893A1 CA 2309893 CA2309893 CA 2309893 CA 2309893 A CA2309893 A CA 2309893A CA 2309893 A1 CA2309893 A1 CA 2309893A1
- Authority
- CA
- Canada
- Prior art keywords
- plate
- foot
- bed
- snow
- binding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C13/00—Snow shoes
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A device to enable a person to move on the snow. A plate has an upper and a lower surface. A
binding is attached to the upper surface and can receive and secure the foot of a wearer. A
unidirectional slip material is attached to the lower surface. This material allows the person wearing the device to slide the plate in one direction but resists the tendency to slide in the opposite direction. The device is an improvement over snow shoes in that it can be slid over the snow, if desired, in one direction and will also allow the wearer to climb quite steep slopes because of its resistance to sliding in the opposite direction.
binding is attached to the upper surface and can receive and secure the foot of a wearer. A
unidirectional slip material is attached to the lower surface. This material allows the person wearing the device to slide the plate in one direction but resists the tendency to slide in the opposite direction. The device is an improvement over snow shoes in that it can be slid over the snow, if desired, in one direction and will also allow the wearer to climb quite steep slopes because of its resistance to sliding in the opposite direction.
Description
This invention relates to a device to enable a person to move on the snow.
Such devices are well known. They include downhill skis , cross-country skis snowboards and the like. One of the oldest is the snowshoe, long used by trappers, prospectors and other people who frequently have to move over snow unable to bear their weight. Snow shoes are compact, light, easy to carry, relatively easy to master and have simple bindings to allow the wearer to attach the snow shoe to the foot. In general no special boot is required, unlike downhill skiing in particular but, increasingly, cross country skiing and snowboarding.
The most common type of snow shoe comprises a wooden, generally elliptical, frame with a cross pattern of cords running laterally and longitudinally. The binding is attached to the cords.
The relatively wide ellipse of the traditional snow shoe can make it a little difficult to use. The movement of the feet must be coordinated to avoid the shoes hitting each other and a wide stance adopted.
To avoid this snow shoes have been made of a generally rectangular shape, especially where snow shoes are used recreationally, which is happening with increasing frequency.
Prior art snow shoes do not slide on the snow but must be lifted and placed down in the same way as walking. Their grip during climbing can be poor except on very gentle slopes.
The present invention seeks to provide a device to enable a person to move on the snow that has the advantages of the snow shoe but avoids the major disadvantages of prior art snow shoes.
Accordingly, in a fast aspect, the present invention is a device to enable a person to move over the snow that comprises a plate having an upper surface and a lower surface, a binding attached to the upper surface, a unidirectional slip material on the lower surface allowing the person to slide the device on the snow in a first direction but resisting any tendency to slide in a second direction, apposite from the first direction.
The plate is preferably continuous and preferably generally rectangular with a width wider than the foot of the wearer and a length longer than the foot of the wearer. An aluminum extrusion has proved successful.
Desirably the plate has at least one longitudinal flange on its upper surface to increase rigidity. It is preferred to provide two flanges, spaced from each other, as this facilitates the mounting of the binding.
Preferably the plate has a leading edge that inclines upwardly forwardly as this eases the passage through snow. This configuration is well known in skis.
The binding is simple and, in a preferred embodiment, comprises a foot-bed to receive the foot of a wearer, anchor means extending from the foot-bed to locate the foot and means to pivotably attach the foot-bed to the plate.
The anchor means preferably comprises ears extending from each corner of the foot-bed to receive straps that extend around the wearer's foot and can be tightened.
A polyurethane moulding of the foot-bed with integral ears has proved successful.
1.
IS
The binding is preferably attached to the upper surface of the plate by the provision of openings at each side of the leading edge of the binding, corresponding openings in the plate and pivots extending through corresponding openings. Preferably the openings in the plate are in flanges extending upwardly from the plate as discussed above.
It is desirable to provide longitudinal ribs on the lower surface of the foot-bed as this allows snow to pass between the binding and the plate, preventing snow build-up.
Again the leading edge of the foot-bed is preferably inclined upwardly.
The unidirectional slip material may be of polyamide. A material known as synthetic seal skin has proved ideal.
The invention is illustrated , merely by way of example, in the drawings, in which:
Figure 1 is a side elevation of a plate useful in the present invention with a unidirectional slip material attached to its lower surface;
Figure 2 is a plan view of the plate of Figure 1;
Figure 3 is a detail of the unidirectional slip material;
Figure 4 is an isometric view of a binding of the device of the present invention; and Figure S shows the base of the binding of Figure 4.
The drawings show a device to enable a person to move on the snow. The device includes a continuous plate 10 as shown in Figures 1 and 2 having an upper surface 12 and a lower surface 4.
A binding 16 as shown in Figures 4 and 5 is attached to the upper surface 12 and a unidirectional slip material 18 is mounted on lower surface 14 as shown in Figures I and 3.
The plate 10 has spaced flanges 20 with openings 22. Plate 10 is generally rectangular with a width slightly wider than boot width and a length longer than boot length.
Plate 10 is inclined upwardly at 24, adjacent the leading edge 26 of the platel0.
Each binding I 6 comprises a foot-bed 28 to receive the sole of the wearer's boot. Ears 30 extend from each corner of the foot-bed. These ears 30 are integrally moulded with the foot-bed 28 in the illustrated embodiment. Straps 32 are attached to ears 30. Straps 32 are provided with fastening means, for example as buckles or any convenient equivalent, that allows a wearer to break the strap to allow entry of the boot and then to refasten and tighten to secure the boot in the binding.The fastening means are conventional and are omitted for clarity.
Straps 32 are riveted to ears 30.
There are openings 34 at each side of the leading edge of each binding 16.
These openings 34 can be aligned with openings 22 in the plate 10 and a pivot pin inserted and secured. A bolt with a nut (not shown) suffices. Washers 36, preferably of a low friction plastic, are inserted between the plate 10 and the inner surface of the foot-bed 28 to facilitate movement of the binding relative to 2.
the plate 10.
The foot-bed 28 has a lower surface 38. Ribs 40 extend longitudinally of the surface 38. These ribs 40 allow the passage of snow between the plate 10 and the foot-bed 28. A
build-up of snow at this point can restrict the movement of the device through the snow.
Each foot-bed 28 is turned up at 42 adjacent the leading edge of the foot-bed 28.
The unidirectional material 18 preferably comprises a polyamide base sheet 44 in which the outer surface is fibrillated with relatively rigid fibres 46 extending non-perpendicularly from the sheet.
The sheet 18 may be adhered to lower surface 14 by a pressure sensitive adhesive. Material 18 is mounted so that its fibres 46 point to the trailing edge of the plate 10.
Plate 10, including integral flanges 20, may be made from any hardened, durable material , for example aluminum or composite materials, which also have the advantage of lightness.
The plate 10 may have a length in the range about 45 cms. to about 100 cms..
The upturned portion at the leading edge occupies about 10 cms. of the overall length. The foot-bed 28 and ears 30 may be integrally moulded from polyurethane or any durable plastic.
Material i 8 may be a synthetic sealskin, commercially available.
A preferred embodiment of the invention has been described for clarity and understanding. It will be apparent to those of ordinary skill in the art that various modifications can be made in light of this disclosure that do not depart from the spirit or scope of the appended claims.
Such devices are well known. They include downhill skis , cross-country skis snowboards and the like. One of the oldest is the snowshoe, long used by trappers, prospectors and other people who frequently have to move over snow unable to bear their weight. Snow shoes are compact, light, easy to carry, relatively easy to master and have simple bindings to allow the wearer to attach the snow shoe to the foot. In general no special boot is required, unlike downhill skiing in particular but, increasingly, cross country skiing and snowboarding.
The most common type of snow shoe comprises a wooden, generally elliptical, frame with a cross pattern of cords running laterally and longitudinally. The binding is attached to the cords.
The relatively wide ellipse of the traditional snow shoe can make it a little difficult to use. The movement of the feet must be coordinated to avoid the shoes hitting each other and a wide stance adopted.
To avoid this snow shoes have been made of a generally rectangular shape, especially where snow shoes are used recreationally, which is happening with increasing frequency.
Prior art snow shoes do not slide on the snow but must be lifted and placed down in the same way as walking. Their grip during climbing can be poor except on very gentle slopes.
The present invention seeks to provide a device to enable a person to move on the snow that has the advantages of the snow shoe but avoids the major disadvantages of prior art snow shoes.
Accordingly, in a fast aspect, the present invention is a device to enable a person to move over the snow that comprises a plate having an upper surface and a lower surface, a binding attached to the upper surface, a unidirectional slip material on the lower surface allowing the person to slide the device on the snow in a first direction but resisting any tendency to slide in a second direction, apposite from the first direction.
The plate is preferably continuous and preferably generally rectangular with a width wider than the foot of the wearer and a length longer than the foot of the wearer. An aluminum extrusion has proved successful.
Desirably the plate has at least one longitudinal flange on its upper surface to increase rigidity. It is preferred to provide two flanges, spaced from each other, as this facilitates the mounting of the binding.
Preferably the plate has a leading edge that inclines upwardly forwardly as this eases the passage through snow. This configuration is well known in skis.
The binding is simple and, in a preferred embodiment, comprises a foot-bed to receive the foot of a wearer, anchor means extending from the foot-bed to locate the foot and means to pivotably attach the foot-bed to the plate.
The anchor means preferably comprises ears extending from each corner of the foot-bed to receive straps that extend around the wearer's foot and can be tightened.
A polyurethane moulding of the foot-bed with integral ears has proved successful.
1.
IS
The binding is preferably attached to the upper surface of the plate by the provision of openings at each side of the leading edge of the binding, corresponding openings in the plate and pivots extending through corresponding openings. Preferably the openings in the plate are in flanges extending upwardly from the plate as discussed above.
It is desirable to provide longitudinal ribs on the lower surface of the foot-bed as this allows snow to pass between the binding and the plate, preventing snow build-up.
Again the leading edge of the foot-bed is preferably inclined upwardly.
The unidirectional slip material may be of polyamide. A material known as synthetic seal skin has proved ideal.
The invention is illustrated , merely by way of example, in the drawings, in which:
Figure 1 is a side elevation of a plate useful in the present invention with a unidirectional slip material attached to its lower surface;
Figure 2 is a plan view of the plate of Figure 1;
Figure 3 is a detail of the unidirectional slip material;
Figure 4 is an isometric view of a binding of the device of the present invention; and Figure S shows the base of the binding of Figure 4.
The drawings show a device to enable a person to move on the snow. The device includes a continuous plate 10 as shown in Figures 1 and 2 having an upper surface 12 and a lower surface 4.
A binding 16 as shown in Figures 4 and 5 is attached to the upper surface 12 and a unidirectional slip material 18 is mounted on lower surface 14 as shown in Figures I and 3.
The plate 10 has spaced flanges 20 with openings 22. Plate 10 is generally rectangular with a width slightly wider than boot width and a length longer than boot length.
Plate 10 is inclined upwardly at 24, adjacent the leading edge 26 of the platel0.
Each binding I 6 comprises a foot-bed 28 to receive the sole of the wearer's boot. Ears 30 extend from each corner of the foot-bed. These ears 30 are integrally moulded with the foot-bed 28 in the illustrated embodiment. Straps 32 are attached to ears 30. Straps 32 are provided with fastening means, for example as buckles or any convenient equivalent, that allows a wearer to break the strap to allow entry of the boot and then to refasten and tighten to secure the boot in the binding.The fastening means are conventional and are omitted for clarity.
Straps 32 are riveted to ears 30.
There are openings 34 at each side of the leading edge of each binding 16.
These openings 34 can be aligned with openings 22 in the plate 10 and a pivot pin inserted and secured. A bolt with a nut (not shown) suffices. Washers 36, preferably of a low friction plastic, are inserted between the plate 10 and the inner surface of the foot-bed 28 to facilitate movement of the binding relative to 2.
the plate 10.
The foot-bed 28 has a lower surface 38. Ribs 40 extend longitudinally of the surface 38. These ribs 40 allow the passage of snow between the plate 10 and the foot-bed 28. A
build-up of snow at this point can restrict the movement of the device through the snow.
Each foot-bed 28 is turned up at 42 adjacent the leading edge of the foot-bed 28.
The unidirectional material 18 preferably comprises a polyamide base sheet 44 in which the outer surface is fibrillated with relatively rigid fibres 46 extending non-perpendicularly from the sheet.
The sheet 18 may be adhered to lower surface 14 by a pressure sensitive adhesive. Material 18 is mounted so that its fibres 46 point to the trailing edge of the plate 10.
Plate 10, including integral flanges 20, may be made from any hardened, durable material , for example aluminum or composite materials, which also have the advantage of lightness.
The plate 10 may have a length in the range about 45 cms. to about 100 cms..
The upturned portion at the leading edge occupies about 10 cms. of the overall length. The foot-bed 28 and ears 30 may be integrally moulded from polyurethane or any durable plastic.
Material i 8 may be a synthetic sealskin, commercially available.
A preferred embodiment of the invention has been described for clarity and understanding. It will be apparent to those of ordinary skill in the art that various modifications can be made in light of this disclosure that do not depart from the spirit or scope of the appended claims.
3.
Claims (4)
1. The embodiments of the invention in which an exclusive monopoly or privilege is claimed are as follows:
1. A device to enable a person to move on the snow comprising:
a plate having an upper and a lower surface, a binding attached to the upper surface, a unidirectional slip material on the lower surface to allow the person to slide the plate on the snow in a first direction but resisting any tendency to slide in a second direction, opposite from the first direction.
1. A device to enable a person to move on the snow comprising:
a plate having an upper and a lower surface, a binding attached to the upper surface, a unidirectional slip material on the lower surface to allow the person to slide the plate on the snow in a first direction but resisting any tendency to slide in a second direction, opposite from the first direction.
2. A device as claimed in claim 1 in which the plate is a continuous plate.
3. A device as claimed in claim 1 in which the plate is generally rectangular having a width wider than the foot of the wearer and a length longer than the foot of the wearer.
4 A device as claimed in claim 1 in which the plate is of aluminum.
A device as claimed in claim 1 in which the upper surface has at least one longitudinal flange to increase rigidity.
6 A device as claimed in claim 1 in which the plate has a leading edge that is inclined upwardly forwardly.
7 A device as claimed in claim 1 in which the binding comprises a foot-bed to receive the foot of the wearer;
anchor means extending from the foot-bed to locate the foot on the plate; and means to pivotably attach the foot-bed to the plate.
8 A device as claimed in claim 7 in which the anchor means are ears extending from each corner of the foot-bed to receive a plurality of straps to attach around the foot.
9 A device as claimed in claim 7 in which the means to pivotably attach the foot-bed to the plate comprises openings at each side of the of the leading edge of the binding;
corresponding openings in the plate; and pivots extending through the corresponding openings.
A device as claimed in claim 7 in which the foot-bed has a lower surface to be positioned adjacent the plate, longitudinal ribs on the lower surface to raise the foot-bed from the plate to allow the passage of snow between the plate and the lower surface.
11 A device in claim 7 in which the foot-bed extends upwardly forwardly at it leading edge.
12 A device as claimed in claim 1 in which the unidirectional slip material comprises a base of a plastic having relatively rigid fibres extending non-perpendicularly from the base.
13 A device as claimed in claim 12 in which the fibres are arranged to extend towards the second direction.
14 A device as claimed in claim 12 in which the material is a polyamide.
A device as claimed in claim 12 in which the unidirectional slip material is synthetic seal skin.
A device as claimed in claim 1 in which the upper surface has at least one longitudinal flange to increase rigidity.
6 A device as claimed in claim 1 in which the plate has a leading edge that is inclined upwardly forwardly.
7 A device as claimed in claim 1 in which the binding comprises a foot-bed to receive the foot of the wearer;
anchor means extending from the foot-bed to locate the foot on the plate; and means to pivotably attach the foot-bed to the plate.
8 A device as claimed in claim 7 in which the anchor means are ears extending from each corner of the foot-bed to receive a plurality of straps to attach around the foot.
9 A device as claimed in claim 7 in which the means to pivotably attach the foot-bed to the plate comprises openings at each side of the of the leading edge of the binding;
corresponding openings in the plate; and pivots extending through the corresponding openings.
A device as claimed in claim 7 in which the foot-bed has a lower surface to be positioned adjacent the plate, longitudinal ribs on the lower surface to raise the foot-bed from the plate to allow the passage of snow between the plate and the lower surface.
11 A device in claim 7 in which the foot-bed extends upwardly forwardly at it leading edge.
12 A device as claimed in claim 1 in which the unidirectional slip material comprises a base of a plastic having relatively rigid fibres extending non-perpendicularly from the base.
13 A device as claimed in claim 12 in which the fibres are arranged to extend towards the second direction.
14 A device as claimed in claim 12 in which the material is a polyamide.
A device as claimed in claim 12 in which the unidirectional slip material is synthetic seal skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2309893 CA2309893A1 (en) | 2000-05-24 | 2000-05-24 | A device to enable a person to move on the snow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2309893 CA2309893A1 (en) | 2000-05-24 | 2000-05-24 | A device to enable a person to move on the snow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2309893A1 true CA2309893A1 (en) | 2001-11-24 |
Family
ID=4166291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2309893 Abandoned CA2309893A1 (en) | 2000-05-24 | 2000-05-24 | A device to enable a person to move on the snow |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2309893A1 (en) |
-
2000
- 2000-05-24 CA CA 2309893 patent/CA2309893A1/en not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |