EP2135646B1 - Schwenkbare Hand-halterung für einen Skistock - Google Patents

Schwenkbare Hand-halterung für einen Skistock Download PDF

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Publication number
EP2135646B1
EP2135646B1 EP09160500.6A EP09160500A EP2135646B1 EP 2135646 B1 EP2135646 B1 EP 2135646B1 EP 09160500 A EP09160500 A EP 09160500A EP 2135646 B1 EP2135646 B1 EP 2135646B1
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EP
European Patent Office
Prior art keywords
hand
support member
user
shaft
support
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EP09160500.6A
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English (en)
French (fr)
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EP2135646A2 (de
EP2135646A3 (de
Inventor
Mikael Östberg
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Individual
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Publication of EP2135646A3 publication Critical patent/EP2135646A3/de
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C11/00—Accessories for skiing or snowboarding
    • A63C11/22—Ski-sticks
    • A63C11/222—Ski-stick handles or hand-straps
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C11/00—Accessories for skiing or snowboarding
    • A63C11/22—Ski-sticks
    • A63C11/222—Ski-stick handles or hand-straps
    • A63C11/2228—Details of hand-straps

Definitions

  • the present invention relates to a ski pole according to the preamble of appended claim 1.
  • the invention is particularly directed to cross-country ski poles, so that ski poles for that application will be discussed in the rest of this disclosure for illuminating the invention but not restricting it thereto.
  • the most simple such holding means are straps in the form of a band loop secured to the upper end portion of said shaft.
  • Such holding means have, in an attempt to improve the efficiency of a cross-country pole-pushing, especially at the end phase thereof, being subjected to developments.
  • the simplest measure has been to provide for an adaption of the length of a said strap for adapting it to the size of the hand of a said user. It is then also known to extend said straps with portions partially surrounding the metacarpalian part of a hand of a user and to tighten these portions around the hand for obtaining a firmer support from the strap when the grip of the hand around the hand grip is loosened at said end phase of a pole-pushing.
  • a ski pole with such so called wrist-straps as holding means is known through for example WO 03/039688 A1 .
  • ski poles Similar such ski poles are known through DE-U-9401287.3 and WO 2006/058953 A1 .
  • WO 2006/005840 A1 describes a further cross-country ski pole of a similar type provided with a rocker-like member for among others providing better support for a thumb of the hand of a user.
  • Ski poles of other types than the one defined in the introduction have also been proposed for improving the effect of the end phase of a pole-pushing.
  • US 6491323 B1 describes such a ski pole, which however do not allow the user to grip around any hand grip arranged around the shaft of the ski pole, so that the use of such a ski pole will be rather unstable and not natural for a cross-country racing skier.
  • Ski poles according to the introduction are known through the documents WO 02/062434 A1 and FR 2 281 141 A1 .
  • This object is according to the invention obtained by providing such a ski pole having the support member pivotably connected to the shaft at a distance to portions of the support member configured to form a support to the hand at the metacarpophalangeal joint of the thumb exceeding 1 cm, advantageously exceeding 2 cm and preferably exceeding 3-8 cm.
  • a location of said pivotable connection at such a distance results in a substantially increased moment transferable to said shaft at said end phase of a pole-pushing, so that the efficiency of the end phase of such a pole-pushing may be increased with respect to ski poles already known.
  • the efficiency of said end phase of a pole-pushing will be further increased by the increased stability for the hand of a user obtained by said substantially rigid support member compared to a conventional strap forming the support of the palm of the user, especially in the region of the metacarpophalangeal joint of the thumb, in such cross-country ski poles already known.
  • substantially rigid as used in this disclosure with respect to said support member and portions thereof is to be interpreted as also covering support members and/or portions thereof that may be bent upon applying a certain force thereupon, such as for making it possible to press such portions apart for introducing a hand of a said user in said holding means.
  • said support member may be made of any substantially rigid material, such as a metal, but also plastic with a certain stiffness making it substantially rigid.
  • said support member has substantially rigid second support portions configured to support metacarpalian bones of a hand of a said user while partially surrounding and supporting said hand on the thumb side and/or little finger side thereof to at least partially support also the dorsum of said hand.
  • Said second support portions improve the stability of said holding means experienced by a said user, which may contribute to an improved result of especially said end phase of a pole-pushing.
  • said second support portions are configured to fit tightly around a said hand of a said user while forming a substantially rigid support thereto. This further increases said stability and the advantages resulted therefrom.
  • said holding means comprises a bracing member, such as a strap, attached to said support member configured to be tightened for bracing a said hand of a said user to said support member. This means that it is ensured that the hand will be firmly received in said holding means.
  • said bracing member is configured to obtain said tightly fit of said second support member portions around said metacarpalian bones of the hand while being tightened for bracing said hand. This allows the hand to be comfortably introduced in contact with the support member portions in question, whereupon these may be brought to tightly fit around said hand by tightening of said strap.
  • said support member has substantially rigid support portions for supporting a said hand of said user while substantially surrounding the metacarpalian bones of said hand from the palm to the dorsum thereof. This results in a very firm and stable fit of a said hand in said holding means improving the result of pole-pushing with the ski pole according to the invention.
  • said support member is pivotably connected to said shaft around a pin.
  • said support member has substantially rigid third support portions for at least the distal of the two digital bones of the thumb of the hand of a said user, said third support portions extending substantially in parallel with said shaft in said first base position of the support member for supporting a said thumb when directed substantially in parallel with said shaft and pointing towards said upper end of the shaft in said first base position.
  • the thumb may be used especially at said end phase for transferring extra power to said shaft by acting upon said third support portions and by that on said support member.
  • said support member comprises fourth support portions for at least one of the digital bones of the index finger of the hand of a said user, said fourth support portions extending substantially in parallel with said shaft in said first base position of the support member for supporting said index finger of the hand of a said user directed substantially in parallel with said shaft and pointing towards said upper end of the shaft in said first position.
  • the index finger may be used to help locking the support member in the right position during the return after the pole-pushing by acting upon said fourth support portions.
  • said support member comprises substantially rigid fifth support portions projecting downwardly away from said upper end of the shaft in an angle out from said shaft in said first base position of the support member for providing support for the little finger and at least also the ring finger of the hand of a said user partially from below with respect to said upper end of the shaft.
  • These fifth support portions may increase the efficiency of the start phase of a pole-pushing when the user is more or less hanging on the ski pole in question.
  • said ski pole further comprises means configured to store potential energy upon pivoting of said support member away from said first base position for influencing the support member to return to said first base position.
  • Such potential energy storing means facilitates the return of the support member to the first base position, in which the hand of the skier in question may grip around the hand grip of the shaft of the ski pole for carrying out the initial phase of a pole-pushing.
  • said energy storing means comprises an elastic elongated member having one end connected to said shaft and one end connected to said support member. This is a suitable way of designing reliable said energy storing means to a low cost.
  • said support member is removably connected to said shaft for allowing replacement thereof by a said support member being designed for a hand of a particular said user when the ski pole is to be used by said particular user.
  • said support member is designed to fit either a right hand or a left hand of a said user. This makes is possible to obtain a perfectly adaption of said support member to a hand of a user to be held in said holding means of the ski pole.
  • a further advantage of having a substantially rigid support member with a shape adapted to the hand of the user is that the risk of pointwisely applying loads on the hand of a said user resulting in blisters and wounds in the hand is reduced.
  • Fig. 1-3 illustrates an upper part of a cross-country ski pole 1 having an elongated shaft 2 with a basket and tip not shown on the lower end for being pushed into the snow for pole-pushing.
  • a hand grip 3 is arranged around an upper end portion 4 of the shaft and configured to be gripped by a user of the ski pole.
  • the ski pole further comprises means 5 configured to hold a hand of a said user substantially fastened to said upper end portion 4 of the shaft while allowing a pivoting movement of the hand with respect to said upper end portion around an axis 6 substantially transversally to the running direction of said user when skiing for allowing said user to let loose the grip of the hand around the hand grip at an end phase of a pole-pushing.
  • the holding means 5 comprises a substantially rigid support member 7 made of for example metal or a synthetic material, such as a composite for lowering the weight thereof.
  • the support member 7 shown in Fig. 1-3 is designed to fit the left hand of a user.
  • the support member has first support portions 8 adapted to form a substantially rigid support to at least portions of the palm of a said user while allowing the hand 9 of the user to grip around the hand grip 3 in a first base position of the support member as shown in Fig. 5 . It is pointed out that the thumb of the hand may in the position according to Fig. 5 also grip around the hand grip.
  • the support member is pivotably connected to the shaft around said axis 6 in the form of a pin 10 at a location closer to an upper end 11 of the shaft than the intended position of the metacarpophalangeal joint 12 of the thumb of a said user gripping the hand grip 3 in said first base position.
  • the distance between said axis 6 and portions 13 of the support member configured to form a support to a hand at said metacarpophalangeal joint of the thumb exceeds 1 cm, advantageously 2 cm and is preferably 3-8 cm, and is for the ski pole shown in Fig. 1-3 about 4 cm.
  • Another advantage of a pivotable connection of the type according to the invention is that it is possible to arrange for instance a said pin at the center of said shaft, so that the forces and loads will be applied closer to the center of the shaft than would straps be used instead of a substantially rigid support member.
  • the support member has also substantially rigid second support portions 14, 15 configured to support metacarpalian bones of a hand of a said user while partially surrounding and supporting said hand on the little finger side and the thumb side, respectively, to at least partially support also the dorsum of the hand.
  • These second support portions 14, 15 are configured to fit tightly around a said hand of a said user while forming a substantially rigid support thereto, which is obtained by tightening a strap 16 attached to the support member for bracing a hand of a user to the support member.
  • Fig. 4 illustrates how the support member may be pivoted away from the hand grip 3 starting from the first base position shown in Fig. 5 for letting the grip of the hand around the hand grip loose at an end phase of a pole-pushing as shown in Fig. 6 .
  • the forces may also be better transferred to the shaft thanks to the stability of the support member and the connection thereof to the shaft as well as the lever arm created by said distance between said metacarpophalangeal joint 12 of the thumb and said axis 6.
  • This all together means that the frequency of the pole-pushing may be lowered for a determined skiing speed or the skiing speed may be increased while maintaining the frequency or most likely something therebetween may be obtained.
  • the support member may be provided with further holes 26, 26', 26" making it possible to pivotably connect the support member to the shaft at these locations. This provide for an adjustment of the length of the extra lever to the skill and power and/or the size of the hand of different skiers. A hole coming closer to the upper end of the support member may be used for larger hands.
  • Fig. 7-12 illustrates a cross-country ski pole according to a second embodiment of the present invention.
  • This ski pole differs slightly from the one according to Fig. 1-6 with respect to the design of the substantially rigid support member, which here is also shown for a ski pole to be used for a right hand.
  • the support member 7' has here substantially rigid third support portions 17 for the two digital bones of the thumb of the hand of a said user. These third support portions extends substantially in parallel with the shaft 3 in said first base position of the support member, as shown in Fig. 7-9 , for supporting a said thumb when directed substantially in parallel with said shaft and pointing towards said upper end of the shaft, as shown in Fig. 11 . These third support portions 17 makes it possible to efficiently and comfortably transfer pushing forces also through the thumb to said support member and by that to the shaft.
  • the support member has also fourth support portions 18 for the digital bones of the index finger of the hand of a said user.
  • These fourth support portions extend substantially in parallel with the shaft 3 in said first base position of the support member for supporting said index finger of the hand of a said user directed substantially in parallel with the shaft and pointing towards said upper end of the shaft in said first position, as shown in Fig. 11 and 12 .
  • This means that the index finger may be used to help locking the support member in the right position during the return after the pole-pushing by acting upon said fourth support portions.
  • the support member further comprises substantially rigid fifth support portions 19 projecting downwardly away from said upper end 11 of the shaft in an angle, such as about 30°, out from the shaft in said first base position of the support member for providing support for the little finger and at least also the ring finger and advantageously also the middle finger of the hand of a said user partially from below with respect to said upper end of the shaft as shown in Fig. 12 .
  • a substantially rigid support member according to the present invention in said holding means it is possible to provide this with different support portions for providing support to different parts of a hand of a skier for improving the transfer of muscle power of the skier to the shaft of the ski pole.
  • Fig. 10 illustrates that means, here in the form of an elastic elongated member 20, may be arranged for storing potential energy upon pivoting of the support member away from the first base position for influencing the support member to return to this position.
  • the elastic elongated member has for this sake one end connected to the shaft and one end connected to the support member.
  • parts of said holding means are more or less flexible, so that for instance the parts surrounding a said hand on the thumb side and/or little finger side are flexible, even if it is advantageous to have also these parts belonging to the substantially rigid support member as shown in the figures.
  • the strap shown in the figures for bracing a hand received in the support member does not have to be there, but the support member may in a ground state have a shape adapted to the shape of the hand of a said user and be made resilient for allowing displacement of portions thereof apart when introducing said hand in the support member and then automatically returning to the ground state while releasing potential energy.
  • the invention is also applicable to other ski poles than for cross-country, such as alpine ski poles.
  • the bracing member may be another than a strap, such as those used for bracing alpine ski boots to the foot.
  • the fourth support portions may be designed to extend at least partially over a thumb of a user hand for allowing the thumb to also be used to help locking the support member in the right position during the return after the pole-pushing by acting upon these support portions.

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  • Walking Sticks, Umbrellas, And Fans (AREA)

Claims (15)

  1. Skistock, umfassend einen länglichen Schaft (2), einen Handgriff (3), der um einen oberen Endteil (4) des Schaftes angeordnet und so ausgebildet ist, daß er von einem Benutzer des Skistockes ergriffen werden kann, und eine Vorrichtung (5), die so gestaltet ist, daß sie von einer Hand des Benutzers gehalten werden kann und die im wesentlichen an dem oberen Endteil des Schaftes befestigt ist, wobei sie eine Drehbewegung der Hand in Bezug auf den oberen Endteil, rund um eine Achse (6) ermöglicht, die im wesentlichen quer zur Laufrichtung des Benutzers verläuft, wenn dieser Ski fährt, um dadurch dem Benutzer zu ermöglichen, das Greifen der Hand rund um den Handgriff (3) in einer Endphase eines Stockschubs zu lösen, wobei die Haltevorrichtung einen im wesentlichen steifen Tragkörper (7, 7') mit einem ersten Stützteil (8) aufweist, der in der Lage ist, für wenigstens Teile des Handtellers des Benutzers eine im wesentlichen steife Abstützung zu bilden, während er der Hand des Benutzers ermöglicht, um den Handgriff zu greifen, und zwar in einer ersten Grundposition des Stützkörpers, wobei dieser Stützkörper gelenkig mit dem Schaft (2) um die Achse (6) an einer Stelle verbunden ist, die naher an einem oberen Ende des Schaftes liegt als die angestrebte Position des Handwurzelknochengelenks (12) des Daumens des Benutzers, der den Handgriff in dieser festen Grundposition ergreift, um die Drehbewegung der Hand in der genannten Endphase des Skistockschubs zu ermöglichen, dadurch gekennzeichnet, daß der Stützkörper (7, 7') mit dem Schaft in einem Abstand zu den Teilen (13) des Stützkörpers drehbar verbunden ist, wobei die Konstruktion so ausgebildet ist, daß eine Abstützung der Hand an dem Handwurzelknochengelenk des Daumens erfolgt, und zwar in einem Abstand, der größer als 1 cm, vorteilhafferweise mehr als 2 cm und vorzugsweise 3 - 8 cm groß ist.
  2. Skistock nach Anspruch 1, dadurch gekennzeichnet, daß der Stützkörper (7, 7') im wesentlichen starre zweite Stützteile (14, 15) aufweist, die so gestaltet sind, daß die Handwurzelknochen einer Hand eines Benutzers gestützt werden, während sie teilweise die Hand auf der Daumenseite und / oder die Seite des kleinen Fingers umgeben und tragen, um dadurch wenigstens teilweise auch den Rücken der Hand abzustützen.
  3. Skistock nach Anspruch 2, dadurch gekennzeichnet, daß die zweiten Stützteile (14, 15) so geartet sind, daß sie eng um eine Hand eines Benutzers passen, während sie eine im wesentlichen steife Abstützung für die Hand bilden.
  4. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Haltevorrichtung einen Spannkörper, beispielsweise einen Gurt (16), aufweist, der an dem Stützkörper (7, 7') angebracht und so gestaltet ist, daß er zum Spannen einer Hand des Benutzers an dem Stützkörper festgezogen werden kann.
  5. Skistock nach den Ansprüchen 2 und 4, dadurch gekennzeichnet, daß mit dem Spannkörper (16) ein fester Sitz der zweiten Stützkörperteile rund um die Handwurzelknochen der Hand erhalten wird, während er zum Spannen der Hand festgezogen wird.
  6. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stützkörper (7, 7') im wesentlichen steife Stützteile (14, 15) aufweist, die dazu dienen, eine Hand des Benutzers zu stützen, während sie die Handwurzelknochen vom Handteller zum Handrücken im wesentlichen umgeben.
  7. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stützkörper (7, 7') mit dem Schaft (2) rund um einen Zapfen (10) schwenkbar verbunden ist.
  8. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stützkörper (7') für wenigstens den entfernten der beiden Fingerknochen des Daumens der Hand eines Benutzers erheblich steife, dritte Stützteile (17) aufweist, wobei sich diese dritten Stützteile im wesentlichen parallel zu dem Schaft (2) erstrecken, und zwar in der ersten Grundposition des Stützkörpers zur Abstützung des Daumens, sobald dieser im wesentlichen parallel zu dem Schaft gerichtet ist und in der genannten ersten Grundposition gegen das genannte obere Ende des Schaftes (2) zeigt.
  9. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stützkörper (7') für wenigstens einen der Fingerknochen des Zeigefingers der Hand eines Benutzers vier Stützteile (18) aufweist, die sich in der genannten ersten Grundposition des Stützkörpers im wesentlichen parallel zu dem Schaft (2) erstrecken, um den Zeigefinger der Hand eines Benutzers abzustützen, so daß er im wesentlichen parallel zu dem Schaft gerichtet ist und in Richtung auf das genannte obere Ende (11) des Schaftes (2) zeigt, wenn er sich in der ersten Grundposition befindet.
  10. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stützkörper (7') im wesentlichen steife fünf Stützteile (19) aufweist, die weg von dem oberen Ende des Schaftes (2) abwärts gerichtet sind, und zwar in einem Winkel außerhalb des Schaftes in der ersten Grundposition des Stützkörpers, um dadurch für den kleinen Finger und wenigstens auch für den Ringfinger der Hand des Benutzers teilweise von unten in Bezug auf das obere Ende des Schaftes eine Abstützung zu schaffen.
  11. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Skistock des weiteren eine Vorrichtung (20) aufweist, die so ausgebildet ist, daß sie beim Verschwenken des Stützkörpers (7') von der ersten Grundposition weg potentiell Energie speichert, um dadurch den Stützkörper dahingehend zu beeinflussen, daß er in die erste Position zurückkehrt.
  12. Skistock nach Anspruch 11, dadurch gekennzeichnet, daß die Energiespeicher-Vorrichtung einen elastischen, länglichen Körper (20) bildet, der ein Ende aufweist, das mit dem Schaft (2) verbunden ist und ein anderes Ende, das mit dem Stützkörper (7') verbunden ist.
  13. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stützkörper (7, 7') entfernbar mit dem Schaft (2) verbunden ist, um seinen Austausch zu ermöglichen, indem der genannte Stützkörper für eine Hand eines bestimmten Benutzers ausgelegt wird, sobald der Skistock von diesem bestimmten Benutzer benutzt werden soll.
  14. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Stützkörper (7, 7') so gebaut ist, daß er entweder zu einer rechten Hand oder einer linken Hand eines Benutzers paßt.
  15. Skistock nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß er ein Langlauf- Skistock ist.
EP09160500.6A 2008-05-19 2009-05-18 Schwenkbare Hand-halterung für einen Skistock Active EP2135646B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0801146 2008-05-19

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EP2135646A2 EP2135646A2 (de) 2009-12-23
EP2135646A3 EP2135646A3 (de) 2011-03-02
EP2135646B1 true EP2135646B1 (de) 2013-07-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3632514A1 (de) 2018-10-05 2020-04-08 Mikael Östberg Skistock

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3908379A4 (de) * 2019-01-10 2022-10-05 Creaforce Oy Stock für nordic walking/laufen/training
SE2251472A1 (en) * 2022-12-16 2024-04-30 M Oestberg Design And Dev Ab Joint suitable for ski pole

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1069145A (en) * 1974-08-05 1980-01-01 Donald A. Penney Ski pole hand/wrist attachment with open resilient cuff
DE9401287U1 (de) 1994-01-26 1994-04-07 Leki Sport Lenhart Gmbh Handschlaufe für Stöcke
US6491323B1 (en) 2000-02-11 2002-12-10 James Kustritz Ski pole handle assembly
FI20010126A0 (fi) * 2001-01-22 2001-01-22 Exel Oyj Hiihtosauvan kädensija ja siihen kiinnitetty käsihihna
DE20118232U1 (de) 2001-11-09 2003-03-20 Lenhart Klaus Handschlaufe für Stöcke
FR2871663B1 (fr) 2004-06-17 2006-11-17 Alexandre Xavier Raphael Nappa Support de main pour poignee de prehension, poignee de prehension pour baton possedant un tel support et baton possedant une telle poignee
US20100155439A1 (en) 2004-12-02 2010-06-24 Marko Kantaneva Hand Strap of a Pole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3632514A1 (de) 2018-10-05 2020-04-08 Mikael Östberg Skistock

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EP2135646A2 (de) 2009-12-23
EP2135646A3 (de) 2011-03-02

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