JP5552765B2 - Ski plate - Google Patents

Ski plate Download PDF

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JP5552765B2
JP5552765B2 JP2009166394A JP2009166394A JP5552765B2 JP 5552765 B2 JP5552765 B2 JP 5552765B2 JP 2009166394 A JP2009166394 A JP 2009166394A JP 2009166394 A JP2009166394 A JP 2009166394A JP 5552765 B2 JP5552765 B2 JP 5552765B2
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plate
ski
base material
binding
fixed
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JP2011019667A (en
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道邦 小賀坂
和隆 長田
諭 茂原
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株式会社小賀坂スキー製作所
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本発明は、自身の上面にビンディングを固定した上でスキー板の上面に固定するスキー用プレートに関する。   The present invention relates to a ski plate that is fixed to the upper surface of a ski while the binding is fixed to the upper surface of the ski.

自身の上面にビンディングを固定したプレートを、スキー板の上面に固定することが従来から行われている。プレートをスキー板に固定することにより、滑走時のエッジホールド性及び回転滑走時におけるエッジの操作性が高まり、しかも滑走時に生じる振動を減衰することができる。
この種のプレートは一般的に合成樹脂製である。合成樹脂製のプレートはスキー板に比べて剛性が小さいため、このようなプレートをスキー板に固定しても、スキー板が有する特有の滑らかな撓み易さが損なわれることはなく、それ故、スキー板の滑走性(ターンのし易さ等)が損なわれることはない。
Conventionally, a plate having a binding fixed to the upper surface of the ski is fixed to the upper surface of the ski. By fixing the plate to the ski, edge holdability during sliding and operability of the edge during rotational sliding are enhanced, and vibrations generated during sliding can be attenuated.
This type of plate is generally made of synthetic resin. Since the plate made of synthetic resin is less rigid than the ski, even if such a plate is fixed to the ski, the characteristic smooth easiness of the ski does not deteriorate. The skiing performance (ease of turning) is not impaired.

さらに、このようなプレートの上面全体にアルミニウム製の補強板を固定したものや、プレートの下面の前後2カ所に凹部を形成した上で、前後の凹部にアルミニウム製の補強板をそれぞれ設けたものがある。
プレートをこのような構成にすれば、スキー板における補強板の直下に位置する部分の剛性が高くなるので、当該部分の雪面グリップ性能が向上する。
In addition, an aluminum reinforcing plate is fixed to the entire upper surface of such a plate, or concave portions are formed in two front and rear portions of the lower surface of the plate, and aluminum reinforcing plates are provided in the front and rear concave portions, respectively. There is.
If the plate has such a configuration, the rigidity of the portion of the ski that is located immediately below the reinforcing plate is increased, so that the snow grip performance of the portion is improved.

特開2008−36212号公報JP 2008-36212 A

ブーツから圧力を受けるとプレートは前部及び後部が中央部より上側に曲がる態様で撓み、かつスキー板の曲げの中立面からプレート下面までの距離よりプレート上面までの距離が長いため、プレートの上面に生じる圧縮応力はプレート下面に生じる圧縮応力より大きい。それ故、プレートの上面に補強板を固定したものはプレート全体が撓み難くなる。その上、上記のものはプレートの上面全体に補強板を固定しているので、プレートの中央部だけでなく前部と後部も撓み難くい。
そのため、上面全体に補強板を設けたプレートをスキー板に固定すると、スキー板が有する滑らかな撓みが損なわれてしまい、スキー板の全長に渡る滑らかな滑走性が失われてしまう。
When pressure is received from the boot, the plate bends in such a way that the front part and the rear part bend upward from the center part, and the distance from the neutral surface of the ski plate to the plate lower surface is longer than the distance from the plate lower surface to the plate upper surface. The compressive stress generated on the upper surface is larger than the compressive stress generated on the lower surface of the plate. Therefore, when the reinforcing plate is fixed to the upper surface of the plate, the entire plate is difficult to bend. In addition, since the above plate has the reinforcing plate fixed to the entire upper surface of the plate, not only the central portion of the plate but also the front portion and the rear portion are difficult to bend.
Therefore, when a plate having a reinforcing plate provided on the entire upper surface is fixed to the ski, the smooth deflection of the ski is lost, and the smooth running performance over the entire length of the ski is lost.

一方、プレートの下面の前後2カ所に補強板をそれぞれ設けたものは、プレートの前部と後部が撓み難い。そのため当該プレートをスキー板に固定すると、スキー板が有する特有の滑らかな撓み易さが損なわれ、スキー板の滑らかな滑走性が失われてしまう。
また、プレートの中央部の剛性が前部及び後部より低いため、ブーツからプレートに伝わった圧力は、ブーツ直下部ではなく補強板を設けた部分(ブーツの前方及び後方)に集中し易い。しかも、スキー板の捻り抵抗に大きな影響を与えるプレートの中央部の剛性は低いままなので、回転滑走時にスキー板の中央部が捻れやすい。そのため、回転滑走時におけるスキー板の中央部(ブーツの直下部)の雪面グリップ性能が不十分になり易い。
On the other hand, in the case where reinforcing plates are provided at two positions on the front and rear of the lower surface of the plate, the front and rear portions of the plate are difficult to bend. Therefore, when the plate is fixed to the ski, the characteristic smooth easiness of the ski is lost, and the smooth skidability of the ski is lost.
In addition, since the rigidity of the central part of the plate is lower than that of the front part and the rear part, the pressure transmitted from the boot to the plate is likely to be concentrated not on the part directly below the boot but on the part provided with the reinforcing plate (front and rear of the boot). In addition, since the rigidity of the central portion of the plate, which greatly affects the twist resistance of the ski, remains low, the central portion of the ski is easily twisted during rotational sliding. For this reason, the snow surface grip performance at the center of the ski (directly below the boot) during rotational sliding tends to be insufficient.

本発明の目的は、スキー板が有する撓み易さを必要以上に損なうことなく、回転滑走時におけるブーツ直下部の雪面グリップ性能を向上させることにより、スキー板の操作性を向上させることが可能なスキー用プレートを提供することにある。   The object of the present invention is to improve the operability of the ski by improving the snow surface grip performance directly under the boot during rotational sliding without impairing the ease of bending of the ski more than necessary. Is to provide a special ski plate.

本発明のスキー用プレートは、スキー板の上面に固定し、かつ、自身の上面にビンディングを取り付けるプレートにおいて、下面の長手方向中央部に、該長手方向の両端が上記下面の上記長手方向の両端よりも中央部側に位置する凹部を形成した合成樹脂製の基材と、該基材の上記凹部に嵌合固定した、該凹部と略同一形状で上記合成樹脂よりヤング率が高い材料からなる補強板と、を備えることを特徴としている。 The plate for skiing of the present invention is a plate that is fixed to the upper surface of the ski plate and has a binding attached to the upper surface of the ski plate. In the longitudinal central portion of the lower surface, both ends in the longitudinal direction are both ends in the longitudinal direction of the lower surface. A base material made of a synthetic resin having a concave portion located closer to the center than the synthetic resin, and having a substantially identical shape to the concave portion and having a higher Young's modulus than the synthetic resin. And a reinforcing plate.

上記ビンディングの少なくとも一部が上記補強板の直上に位置するのが好ましい。   It is preferable that at least a part of the binding is located immediately above the reinforcing plate.

本発明によれば、合成樹脂製の基材の長手方向中央部に形成した凹部に補強板を設けているので、プレートの中央部の剛性が前部及び後部より高くなっている。そのため、ブーツからプレートに伝わった圧力がスキー板のブーツ直下部に集中し易く、しかも、回転滑走時にスキー板の中央部(ブーツ直下部)が捻れるおそれは小さい。従って、本発明のプレートを固定したスキー板は回転滑走時に十分な雪面グリップ性能を発揮する。
さらに、補強板は基材の下面の中央部に設けてある(基材の前部及び後部には設けていない)ので、中央部は撓み難いものの、基材の前部と後部が有する撓み性は損なわれない。そのため、本プレートによってスキー板の滑らかな滑走性が失われることはない。
このように本発明のプレートは、スキー板が有する滑走性を損なうことなく、スキー板のブーツ直下部の雪面グリップ性能を高めることができるので、スキー板の操作性を向上させることが可能である。
According to the present invention, since the reinforcing plate is provided in the concave portion formed in the central portion in the longitudinal direction of the synthetic resin base material, the rigidity of the central portion of the plate is higher than that of the front portion and the rear portion. For this reason, the pressure transmitted from the boot to the plate is likely to be concentrated directly below the boot of the ski, and the risk of twisting the central portion of the ski (directly below the boot) during rotation is small. Therefore, the ski board to which the plate of the present invention is fixed exhibits sufficient snow surface grip performance during rotational sliding.
Furthermore, since the reinforcing plate is provided in the central part of the lower surface of the base material (not provided in the front part and the rear part of the base material), although the central part is difficult to bend, the flexibility of the front part and the rear part of the base material. Will not be damaged. Therefore, the smooth skidability of the ski is not lost by this plate.
As described above, the plate of the present invention can improve the snow surface grip performance immediately below the boot of the ski without impairing the skidability of the ski, so that the operability of the ski can be improved. is there.

さらに、ビンディングの少なくとも一部を補強板の直上に位置させれば、ブーツからビンディングに掛かった圧力が補強板により集中し易くなるので、スキー板のブーツ直下部の雪面グリップ性能がより向上し、かつ、スキー板の滑らかな滑走性をより維持し易くなる。   Furthermore, if at least a part of the binding is positioned directly above the reinforcing plate, the pressure applied to the binding from the boot is more likely to be concentrated on the reinforcing plate, so that the snow surface grip performance immediately below the boot of the ski plate is further improved. And it becomes easier to maintain the smooth skidability of the ski.

本発明の一実施形態のスキー用プレートをスキー板の上面中央部に固定した状態を示す前方から見た斜視図である。It is the perspective view seen from the front which shows the state which fixed the plate for skis of one Embodiment of this invention to the upper surface center part of the ski board. スキー用プレートの平面図である。It is a top view of the plate for skis. スキー用プレートの側面図である。It is a side view of a ski plate. スキー用プレートの底面図である。It is a bottom view of a ski plate.

以下、添付図面を参照しながら本発明の一実施形態について説明する。なお、以下の説明中の前後方向は、図中の矢印の方向を基準としている。
図1に示すようにプレート20は、スキー板10とは別部材であり、スキー板10上面の長手方向の略中央部にネジ(図示略)を利用して固定するものである。
プレート20は、大きな構成要素として基材21と補強板25を備えている。
前後方向に延びる板材である基材21はポリアミドからなる一体成形物であり、その全長は例えば400〜700mm、厚みは例えば10〜20mmである。基材21下面の長手方向中央部には、前端及び後端が略三角形状をなす凹部22が凹設してある。凹部22の前端及び後端を除く部分は基材21の幅全体に渡っており、その厚みは例えば1〜5mmである。また、基材21には計8個のスキー板固定用長孔23と計2個のスキー板固定用丸孔24が共に貫通孔として形成してある。スキー板固定用長孔23及びスキー板固定用丸孔24は、その上半部の径が下半部より大きい段付き孔である。
凹部22に嵌合してある補強板25はアルミニウム製であり、その形状は凹部22と略同一である。補強板25は複数のネジ26を利用して基材21に対して固定してある。補強板25の上面は凹部22の底面(上面)に密着しており、下面は基材21の下面と同一平面上に位置している。また、凹部22及び補強板25の前端部と後端部は略三角形状なので、(仮にネジ26が無くても)補強板25が凹部22に対して横ずれすることはない。凹部22の材料であるアルミニウムのヤング率は約70GPa(ギガパスカル)であり、基材21の構成材であるポリアミドのヤング率(3GPa−7GPa)より高い。図4に示すように、補強板25には、凹部22に形成した3つのスキー板固定用長孔23の下半部と同じ平面形状であり、かつ対応するスキー板固定用長孔23の下半部と連通する3つの貫通長孔27と、凹部22に形成した2つのスキー板固定用丸孔24の下半部と同じ平面形状であり、かつ対応するスキー板固定用丸孔24の下半部と連通する2つの貫通丸孔28とが形成してある。
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. Note that the front-rear direction in the following description is based on the direction of the arrow in the figure.
As shown in FIG. 1, the plate 20 is a separate member from the ski 10 and is fixed to a substantially central portion of the upper surface of the ski 10 in the longitudinal direction using screws (not shown).
The plate 20 includes a base material 21 and a reinforcing plate 25 as large components.
The base material 21 which is a plate material extending in the front-rear direction is an integrally molded product made of polyamide, and has a total length of, for example, 400 to 700 mm and a thickness of, for example, 10 to 20 mm. A concave portion 22 having a substantially triangular shape at the front end and the rear end is formed in the center portion in the longitudinal direction of the lower surface of the base material 21. A portion excluding the front end and the rear end of the recess 22 extends over the entire width of the base material 21 and has a thickness of, for example, 1 to 5 mm. Further, the base material 21 is formed with a total of eight ski plate fixing long holes 23 and a total of two ski plate fixing round holes 24 as through holes. The ski hole fixing long hole 23 and the ski hole fixing round hole 24 are stepped holes in which the diameter of the upper half is larger than that of the lower half.
The reinforcing plate 25 fitted in the recess 22 is made of aluminum, and its shape is substantially the same as that of the recess 22. The reinforcing plate 25 is fixed to the base material 21 using a plurality of screws 26. The upper surface of the reinforcing plate 25 is in close contact with the bottom surface (upper surface) of the recess 22, and the lower surface is located on the same plane as the lower surface of the substrate 21. Further, since the front end portion and the rear end portion of the recess 22 and the reinforcing plate 25 are substantially triangular, the reinforcing plate 25 does not shift laterally with respect to the recess 22 (even if there is no screw 26). The Young's modulus of aluminum that is the material of the recess 22 is about 70 GPa (gigapascal), and is higher than the Young's modulus (3 GPa-7 GPa) of the polyamide that is the constituent material of the base material 21. As shown in FIG. 4, the reinforcing plate 25 has the same planar shape as the lower half portion of the three ski fixing holes 23 formed in the recess 22, and below the corresponding ski fixing holes 23. It has the same planar shape as the lower half of the three through-holes 27 communicating with the half and the two ski-fixing round holes 24 formed in the recess 22, and below the corresponding ski-fixing round holes 24. Two through-round holes 28 communicating with the half are formed.

プレート20は、基材21の前半部に位置する5つのスキー板固定用長孔23のうちの少なくとも一つ、及び、基材21の後半部に位置する5つのスキー板固定用長孔23のうちの少なくとも一つに上方から挿入したネジ(図示略。頭部の径がスキー板固定用長孔23の上半部と略同一で、ネジ部の径がスキー板固定用長孔23の下半部と略同一)を、スキー板10の上面に形成した雌ねじ孔(図示略)に螺合することによりスキー板10の上面に固定する。さらに、プレート20をスキー板10に固定した後に、基材21上面の前後2カ所に、図2及び図3の仮想線で示すビンディング30(トゥーピース)とビンディング31(ヒールピース)をそれぞれネジ(図示略)を用いて固定し、ビンディング30及びビンディング31の少なくとも一部を補強板25(凹部22)の直上に位置させる。   The plate 20 includes at least one of the five ski-fixing long holes 23 located in the front half of the base 21 and the five ski-plate fixing long holes 23 located in the latter half of the base 21. Screws inserted from above into at least one of them (not shown). The half is fixed to the upper surface of the ski 10 by being screwed into a female screw hole (not shown) formed on the upper surface of the ski 10. Further, after fixing the plate 20 to the ski 10, the binding 30 (two piece) and the binding 31 (heel piece) indicated by phantom lines in FIG. 2 and FIG. The binding 30 and the binding 31 are positioned at a position directly above the reinforcing plate 25 (recess 22).

プレート20は長手方向中央部(補強板25を固定した部分)の剛性がその前端部及び後端部(補強板25が無い部分)より高く、しかもビンディング30及びビンディング31の少なくとも一部を補強板25の直上に位置させている。従って、プレート20の長手方向中央部は、ビンディング30及びビンディング31に装着したブーツ(図示略)から掛かる圧力が集中し易く、かつ、プレート20の前端部及び後端部に比べて撓みや捻りが発生し難い。そのため、プレート20を固定したスキー板10の中央部(ブーツ直下部)は回転滑走時に十分な雪面グリップ性能を発揮する。
また、補強板25は基材21の下面の前端部及び後端部を避けた中央部に設けているので、プレート20の中央部は撓み難いものの、基材21が有する前部と後部の撓み性は損なわれていない。そのため、プレート20をスキー板10に固定しても、スキー板10が有する滑らかな滑走性が失われることはない。
このようにプレート20は、スキー板10が有する滑走性を損なうことなく、ブーツ直下部の雪面グリップ性能を高めることができるので、プレート20をスキー板10に固定すればスキー板の操作性を向上させることが可能になる。
The plate 20 is higher in rigidity in the central portion in the longitudinal direction (the portion where the reinforcing plate 25 is fixed) than in the front end portion and the rear end portion (the portion where the reinforcing plate 25 is not provided), and at least a part of the binding 30 and the binding 31 is used as the reinforcing plate. It is located immediately above 25. Therefore, the pressure applied from the boots (not shown) attached to the binding 30 and the binding 31 is likely to concentrate at the longitudinal center of the plate 20, and the plate 20 is more flexible and twisted than the front and rear ends of the plate 20. Hard to occur. For this reason, the central portion of the ski 10 to which the plate 20 is fixed (immediately under the boot) exhibits sufficient snow surface grip performance during rotational sliding.
In addition, since the reinforcing plate 25 is provided in the central portion of the lower surface of the base material 21 avoiding the front end portion and the rear end portion, the central portion of the plate 20 is difficult to bend, but the front portion and the rear portion of the base material 21 are bent. Sex is not impaired. Therefore, even if the plate 20 is fixed to the ski 10, the smooth skidability of the ski 10 is not lost.
Thus, since the plate 20 can improve the snow surface grip performance immediately below the boot without impairing the skidability of the ski 10, the operability of the ski can be improved by fixing the plate 20 to the ski 10. It becomes possible to improve.

以上、本発明を上記実施形態に基づいて説明したが、本発明は上記実施形態に限定されるものではなく、様々な変形を施しながら実施可能である。
例えば、基材21の材質はポリアミド以外の合成樹脂(例えば、ポリエチレン(PE)、ポリプロピレン(PP)、ポリウレタン(PU)、ポリアセタール(POM)、ポリカーボネート(PC)、ポリエチレンテレフタレート(PET)、ABSや、これらの変性物や混合物)であってもよく、補強板25の材質は基材21よりもヤング率が高いもの(例えば、30GPa〜200GPa程度のもの)であればアルミニウム以外のもの(例えば、アルミニウム以外の非鉄金属類、鉄、これらの合金、あるいは炭素繊維強化樹脂やガラス繊維強化樹脂などの繊維強化樹脂)であってもよい。
また、接着剤や両面テープを利用して補強板25を基材21に固定してもよい。
As mentioned above, although this invention was demonstrated based on the said embodiment, this invention is not limited to the said embodiment, It can implement, giving various deformation | transformation.
For example, the material of the base material 21 is a synthetic resin other than polyamide (for example, polyethylene (PE), polypropylene (PP), polyurethane (PU), polyacetal (POM), polycarbonate (PC), polyethylene terephthalate (PET), ABS, These modified products and mixtures) may be used, and the material of the reinforcing plate 25 may be anything other than aluminum (for example, aluminum if it has a higher Young's modulus than the base material 21 (for example, about 30 GPa to 200 GPa). Other non-ferrous metals, iron, alloys thereof, or fiber reinforced resins such as carbon fiber reinforced resin and glass fiber reinforced resin).
Moreover, you may fix the reinforcement board 25 to the base material 21 using an adhesive agent or a double-sided tape.

10 スキー板
20 プレート
21 基材
22 凹部
23 スキー板固定用長孔
24 スキー板固定用丸孔
25 補強板
26 ネジ
27 貫通長孔
28 貫通丸孔
30 ビンディング(トゥーピース)
31 ビンディング(ヒールピース)
DESCRIPTION OF SYMBOLS 10 Ski plate 20 Plate 21 Base material 22 Recess 23 Ski plate fixing long hole 24 Ski plate fixing round hole 25 Reinforcement plate 26 Screw 27 Through long hole 28 Through round hole 30 Binding (two piece)
31 Binding (heel piece)

Claims (2)

スキー板の上面に固定し、かつ、自身の上面にビンディングを取り付けるプレートにおいて、
下面の長手方向中央部に、該長手方向の両端が上記下面の上記長手方向の両端よりも中央部側に位置する凹部を形成した合成樹脂製の基材と、
該基材の上記凹部に嵌合固定した、該凹部と略同一形状で上記合成樹脂よりヤング率が高い材料からなる補強板と、
を備えることを特徴とするスキー用プレート。
In the plate that is fixed to the upper surface of the ski and the binding is attached to the upper surface of the ski,
A base material made of a synthetic resin in which a concave portion in which both ends in the longitudinal direction are located closer to the center portion side than both ends in the longitudinal direction of the lower surface is formed in the longitudinal center portion of the lower surface ;
A reinforcing plate made of a material having substantially the same shape as the recess and having a higher Young's modulus than the synthetic resin, fitted and fixed to the recess of the base material,
A ski plate characterized by comprising:
請求項1記載のスキー用プレートにおいて、
上記ビンディングの少なくとも一部が上記補強板の直上に位置するスキー用プレート。
The ski plate according to claim 1, wherein
A ski plate in which at least a part of the binding is located immediately above the reinforcing plate.
JP2009166394A 2009-07-15 2009-07-15 Ski plate Active JP5552765B2 (en)

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JP5552765B2 true JP5552765B2 (en) 2014-07-16

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490043B1 (en) * 1990-12-14 1994-02-16 Salomon S.A. Ski containing base, upper body and attaching member for bindings
JP2601438B2 (en) * 1992-03-12 1997-04-16 株式会社西沢 Ski plate
FR2689411B1 (en) * 1992-04-01 1994-06-03 Salomon Sa SKI COMPRISING A BASE AND A TWO-PART STIFFENER CONNECTED TO THE BASE.
JPH0737256U (en) * 1993-12-17 1995-07-11 ヤマハ株式会社 Stiffener for skis

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