This invention relates generally to an apparatus that is used as a skateboard and, more particularly, to a snow ski device that operates like a skateboard on snow surfaces and which is equipped with a brake mechanism.
As mentioned in U.S. Pat. No. 4,116,455:
As mentioned in U.S. Pat. No. 7,581,735:
A bideck snowskate has a top skateboard deck, which the rider stands on, and a lower ski deck, which is in contact with the snow. Bidecks come in single blade varieties and multiple blade varieties. Different bidecks are tailored to a different style of riding. Longer bidecks are favored for mountain snowskating, and shorter bidecks are favored for tricks and stunts.
What is needed is a way to slide across snow on a snow ski while standing upon a skateboard platform (or deck) so as to retain the same freedom of feet movement that the user experiences when skateboarding on pavement, yet retaining the same ski shoe binding settings that the user needs for skiing with the snow skis separate from the skateboard platform.
One aspect of the invention is to provide a ski board that is adjustable to fit any conventional ski binding without having to alter the ski binding settings. An adjustment screw is provided to allow the user to adjust the base of the ski board to fit in the existing ski binding.
Another aspect is to provide for a stabilizer, which is located in the front of the ski board. The stabilizer is adjustable in that it screws down to stabilize the front of the ski board so that when the rider applies pressure or weight at the front of the ski board, the stabilizer will not allow the ski bindings to eject the ski board even though the ski binds are designed to eject the ski boot when a ski applies too much weight or presser to the front of the binding. The ski board stabilizer also adjusts forward and back to accommodate larger and smaller bindings.
An additional aspect is to provide a tether system that will keep the ski board from sliding away on its own down a hill when the rider comes off the ski board.
A further aspect is to equip the ski board with a brake mechanism. This brake mechanism engages while the rider is not applying pressure or weight to the front of the ski board. When the rider is not standing on the ski board, the brake mechanism engages and holds the ski board in place. This will also engage if the rider comes off the ski board. The ski boarder could also gradually lift their front leg (decreasing downward pressure) as they ride to engage the ski board break.
For a better understanding of the present invention, reference is made to the following description and accompanying drawings, while the scope of the invention is set forth in the appended claims.
Turning to the drawings,
The components of the ski board unit 10 include a skateboard platform 12, a base having an upper base part 14 and having a lower base part with a sliding portion 16 and a stationary portion 18, an adjustment screw 20 and a stabilizer 26. The adjustment screw extends across a gap 22 between the sliding portion 16 and the stationary portion 18 and into each of the sliding portion 16 and the stationary portion 18 to adjust the sliding movement of the sliding portion 16 towards and away from the stationary portion 18. The stabilizer 26 provides stability by preventing ejection of the lower part of the base from the front and read ski bindings. A tether 28 may be provided to extend from the skateboard platform 12 to loop around the ankle of a person's leg.
That is, the tether 28 attaches to the ski board 10 and keeps the ski board from sliding away from the user on a slope when the user falls or gets off the board. The tether 28 can be attached to the user's leg or held in the user's hand as the user operates the ski board unit 10. The length of the tether can be adjusted based on comfort and preference.
The turned up two ends of the skateboard top of the ski board platform allow for better grip while riding. A ruff sand paper grip covers the top of the skateboard platform 12.
The upper base part 14 retains the lower base part so as to retain the sliding portion 16 in a sliding manner and the stationary portion 18 in a stationary manner. The upper base part 14 has a grooved fit with the lower base part that keeps both the sliding portion 16 and the stationary portion 18 connected, allowing the sliding portion 16 to slide to the appropriate size of the ski binding. The sliding portion 16 slides back and forth as necessary to adjust to larger bindings.
Turning to
To help with setting the correct position of the sliding portion 16, the sole 32 of the ski boot 30 may be placed beneath the lower base part as shown to serve as a guide to slide the sliding portion 26 to a relative position. In so doing, the sliding portion 16 of the lower part of the base is adjusted to slide from a position in which the distance of the lower part of the base from end to end is shorter than the length of the ski boot sole to a position in which the distance of the lower part of the base from end to end (inclusive of the gap 22) is equal to the length of the ski boot sole 32.
Once the end to end distance of the lower base part matches the end to end distance of the sole 32 of the snow ski boot 30, then, as shown in
The adjustment of the stabilizer 26 is carried out as shown in
Although not shown in
The two sets of four screws generally correspond with the placement of two sets of four holes conventionally used to secure a support for a pair of wheels to the underside of a skateboard. The base 14 is provided with eight predrilled holes in its top surface to align with the two sets of four threaded adjustment screws 138. However additional pairs of predrilled holes may be provided in the base 14 to enable some adjustment as concerns the relative placement of the skateboard platform 12 on the base 14 by aligning the threaded adjustment screws 138 with desired pairs of holes in the base. The ski board in accordance with the invention may be assembled into an operative condition by following six steps (See
Step 1. Use a screwdriver to turn the adjustment screw to adjust the movable sliding portion 16 of the ski board base to match the size of the bottom or sole 32 of the ski boot 30 used for the ski one plans to use the ski board with. Turn the adjustment screw 20 counterclockwise to make the effective size of the base larger and clockwise to make smaller.
Step 2. Turn the adjustment screw 20 to adjust the movable sliding portion 16 of the ski board base to match the size of the bottom or sole 32 of the ski boot. Stop when there is a match.
Step 3. Line up the Ski board base like one would for one's ski boot 30 with the front tip of the ski board base going into the front part of the ski binding. Line up with nose/front of base first.
Step 4. Line up the Ski board base to the ski binding and just like one would with one's ski boots, putting the front of the ski boot into the front part of the ski binding and then push down on the back to snap the ski board base into the ski bindings.
Step 5. Use one's hand to twist the ski board stabilizer 26 to extend the stabilizer 26 to fit snug against the ski 24. The ski board stabilizer 26 is threaded 35, 40 and telescopic. As one twists the lower part of the stabilizer 26, it will extend down toward the ski 24.
Step 6. Once one has twisted the ski board stabilizer 26 to extend the stabilizer 26 to fit snug against the ski. It is now ready to start using the ski board on the snow.
Turning to
Turning to
The significance of the stabilizer 26 can be better appreciated by turning to
Turning to
A ski board stabilizer channel allows the stabilizer 26 to adjust toward and away from the binding. This allows the ski board unit 10 to adjust to different size bindings. The cylinder 35 goes inside cylinder 40. They are threaded and adjusted by twisting cylinder 35. Screw down to ‘tighten’ (i.e., shorten the overall length) and unscrew to ‘loosen’ (i.e., increase the overall length). There is a swivel part 41 attached to the bottom of the inside cylinder 40 to which is hinged a trapezoidal end piece 39.
By unscrewing the engaged threads of the cylinder 35 and the inside cylinder 40, the hinged trapezoidal end piece 39 rotates as need be to rotate so that the bottom of the hinged trapezoidal end piece 39 rests flat upon the incline of the snow ski 24. The stabilizer 26 provides front weight stability and keeps the bindings 34, 36 from ejecting upon the application of front weight pressure.
Upon screwing the engaging threads of the cylinder 40 and the inside cylinder 35, their end-to-end distance of them shortens and upon unscrewing the engaging threads of the cylinder 40 and inside cylinder, their end-to-end distance lengthens.
A channel pin 42 fits in selected one of grooves 44 of the grooved track to help secure the ski board stabilizer 26. The channel pin 42 presses into the selected one of the grooves 44 as the cylinder 40 and inside cylinder 35 are unscrewed sufficiently with end of the inside cylinder 35 pressing against a topside surface of the snow ski 24. A channel cap 47 is screwed in place into the overhang of the base 14 with screws 43 to keep the channel pin 42 fitted into position to the selected groove 44. By loosening the screws 43 and thereby the channel cap 47 from the overhang, the channel pin 42 may be relocated to a different groove 44 and thus the stabilizer 26 may be relocated accordingly.
When the inside cylinder 35 is rotated clockwise relative to the cylinder 40, pressure is released and the cylinder 40 and inside cylinder 35 may be displaced in a linear direction with the hinged trapezoidal piece 39 and one of the rows of teeth 45A closer to or further away from the sliding portion 16. The channel cap 47 has a center region that is open to accommodate the cylinder 40 being moved laterally to any position in which the two rows of teeth 45A, 45B may engage and mesh with each other. The channel cap 47 is secured to the underside of the overhang 15 of the upper part 14 of the base with screws 43.
Turning to
When the user applies weight to the front of the ski board and depresses the brake seat 52, the arm 54 pivots about pivot 55 so that the brake seat 52 disengages from its brake position to enter into a non-braking position of
When the user removes their feet from the forward portion 13 of the platform 12, the forward portion of the arm 54 lowers because of pivoting movement about the pivot 55 under spring tension from spring 61 in or on lever arm 63 so that the brake seat 52 returns to the activated brake position of
When deployed, the arm 54 pivots to stop the ski board unit 10 from sliding forward. When weight is put on the front of the ski board unit 10, the brake mechanism is depressed and the arm retracts/disengages. The tension spring 61 lifts up the brake seat 52 when the user's weight has been lifted and deploys the arm 54 to stop the ski board 10 from sliding forward.
An advantage of the brake of
However, the brake of
Also, both prevent the ski board unit from sliding down a hill on its own since the lever arms are spring loaded to push against the ground.
All components of the base of the ski board unit may be fastened to each other and to the underside of the platform by conventional fastening techniques, such as with fasteners (screws in screw-threaded holes). Pivots and hinges of the brake or below the rear support may be secured to the base in any conventional manner that permits pivoting about the pivot and rotation about the hinges.
While the foregoing description and drawings represent the preferred embodiments of the present invention, it will be understood that various changes and modifications may be made without departing from the scope of the present invention.
The present application is a continuation of U.S. utility patent application Ser. No. 15/424,555 filed Feb. 3, 2017 and accorded the benefit of invention priority from U.S. provisional patent application Ser. No. 62/292,646 filed Feb. 8, 2016.
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Number | Date | Country | |
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20180353841 A1 | Dec 2018 | US |
Number | Date | Country | |
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62292646 | Feb 2016 | US |
Number | Date | Country | |
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Parent | 15424555 | Feb 2017 | US |
Child | 16105460 | US |