Classifications

• • 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
  • A45—HAND OR TRAVELLING ARTICLES
  • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
  • A45B9/00—Details
  • A45B9/02—Handles or heads
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
  • A45B9/00—Details
  • A45B9/02—Handles or heads
  • A45B2009/025—Handles or heads releasably connected to a wrist strap or a glove

Definitions

• the invention relates to a stick handle, intended in particular for Nordic ski poles, classic cross-country skiing or skating, ski mountaineering, hiking, nordic walking or Nordic walking, roller skiing, running.
• the device according to the invention consists of an ergonomic handle (1) pivoting on the end of the stick (2) by an axis (3).
• the handle (1) is formed to have one or two lateral support zones for positioning the thumb on one side (4), the middle finger and the index finger on the other side (5); a strap (6) and a rigid spoiler (10) under the palm of the hand supplements these supports in order to effectively transmit the force of the arm and the hand to the stick.
• Axis (3) is placed
• the axis (3) is placed in the axis of the stick (2) and thus transmits all the energy of the thrust force of the arm and the hand.
• a spring or elastic member (7) tends to return the handle (1) to its initial position and retains the stick when the arm returns to the front.
• a stop (8) makes it possible to adjust the inclination of the handle relative to the axis of the stick when it is in its initial rest position.
• the device according to the invention improves and optimizes the transmission of the thrust force of the arm and the hand on the stick by limiting energy losses and facilitates the work of arms in activities requiring sticks or canes.
• the thrust force of the arm on the stick is transmitted by a wrist strap attached to the hand of the user secured permanently or not to the handle of the stick.
• this role is provided by a flexible connection attached to the glove or a removable wrist strap of the handle.
• a Velcro strap provides the connection between the handle and the hand.
• the thrust of the arm and the hand on the stick is transmitted by a strap or a flexible element providing adjustment qualities, adjustment or practical advantages of installation.
• FR2366040 discloses a device consisting of a separate handle in two parts, the rear portion is articulated on the front part, itself attached to the stick.
• the purpose of the device is to improve the guidance of the stick and has no element of efficiency to improve the transmission of the thrust force of the arm on the stick.
• the placement of the joint on the top of the The handle accentuates the offset between the force of the pushing of the arm and the axis of the stick, which consequently increases the energy loss in the pushing force and generates muscle fatigue. the hand and wrist especially in the context of a sporting practice.
• US 6,460,891 B1 discloses a ski pole whose handle is connected to the baton at its lower end by a pivotal connection to reduce the wrist flexion of the user.
• US 6,644,328 B1 and WO 90/11031 A1 each disclose a ski or step stick comprising a mechanism for adjusting the inclination of the handle relative to the stick located between the lower end of the handle and the stick.
• GB 2 295 086 A discloses a walking aid stick in which the lower end of the handle is connected to the stick by a pivotal connection. A return spring tends to bring the stick forward. The use of the stick is thus facilitated.
• KR 100 991 485 B1 discloses a walking or running stick comprising a gripper-shaped handle comprising a first element integral with the stick and a second element articulated at its upper end to the first element.
• the first and second elements are grasped by the user's hand.
• An elastic return means tends to separate the first and second elements. This tends to bring the stick forward. The use of the stick is thus facilitated.
• EP 2 868 223 discloses a ski or walking stick whose handle comprises a cavity in which is housed the upper end of the stick.
• the connection between the handle and the stick allows a slight translation of the handle along the axis of the stick and a slight inclination of the handle relative to the axis of the stick. This makes it possible to absorb the shocks and the small movements in rotation of the stick.
• the device according to the invention solves the problems of the prior art by significantly improving the thrust of the arm and the hand on the stick via the handle (1) which pivoting on the end of the stick on an axis (3) allows a natural tilting of the hand by transmitting
• the device makes it possible to concentrate the effort of the arms and the hand at the axis (3) during the entire duration of the thrust phase on the stick on a regular basis.
• the device according to the invention eliminates any offset in cantilever of the thrust force of the arm by naturally aligning the wrist and the hand and transmitting directly all the thrust force in the stick by the axis (3) . All thrust energy is thus transmitted directly in the axis of the stick without loss of energy from a strap or a more or less flexible connection as is the case in the previous devices.
• the device consecutively improves the guidance of the stick and its control, especially in techniques requiring high frequencies.
• the device according to the invention is particularly suitable for Nordic skiing or an activity where the thrusting role of the upper arms and upper body is paramount, especially in the evolution of modern techniques of practice favoring power and performance. frequency of movement.
• the handle (1) may comprise ergonomic shapes with 1 or more bearing surfaces on either side of its longitudinal axis. These surfaces allow positioning of the thumb on one side (4), forefinger and middle finger on the other side (5) providing firm supports for transmitting the pushing force of the arm and the hand in the handle at the pivot axis (3). These bearing surfaces complete the device of the invention by optimizing the effect of the pivoting of the handle on the stick and remain optional and adaptable according to the morphology of the user and the techniques of practice envisaged with the stick.
• the support of the thumb can be privileged on that of the major to allow a better
• the axis (3) is judiciously placed between the thumb and middle finger, substantially at the level of the lateral bearing surfaces (4 and 5), so that the hand naturally switches on the end of the stick during the phase of thrust by providing a firm and balanced support of the "fork” represented by the thumb on one side, the index and the middle finger of the other. This support concentrates the thrust force through the axis (3) and optimizes the transmission of energy between the hand and the stick.
• the device according to the invention allows the handle (1) to pivot on the stick (2) with a deflection angle of between 90 ° and 160 ° to accompany the range of movement of the hand.
• a stop (11), possibly adjustable or interchangeable, adapted to limit this movement can be integrated into the device.
• This stop may comprise a damping system providing progressiveness to the limit of movement of the handle.
• This damping device can combine an elastic effect to bring the handle back to its initial position.
• the device may comprise an adjustable strap (6) adapted to rest the lower part of the palm of the hand and the wrist.
• the strap has a flexible surface parallel to the lower part of the palm, it is fixed to the body of the handle in its lower part and connected to the upper part by one or more straps provided with a control system.
• the strap reinforces the support of the hand during the push and provides a role of holding the handle in the hand of the user during the release phase during the return of the arm forward.
• the strap may comprise an elastic link ensuring its holding in position and solidarisant the hand and the handle.
• a restraint link connected to the user's wrist can fulfill an anti-loss role in a simplified version of the device.
• the strap can be replaced or supplemented by a rigid spoiler (10) forming a bearing surface for the lower part of the palm of the hand.
• This spoiler is adjustable in height or interchangeable to adapt to different user morphologies.
• the device according to the invention involves a handle for the right hand and a handle for the left hand.
• a spring (7) or an elastic element positioned at the pivot axis (3) is adapted to return the handle to its initial position after the thrust phase.
• This spring element has a retention and control function of the stick when returning the arm forward.
• the spring or this elastic return element can be removable, adjustable or interchangeable.
• a stop (8) is positioned between the stick and the handle to adjust the inclination of the initial position of the handle at rest relative to the axis of the stick. This adjustment optimizes the position of the hand and wrist by aligning them in the extension of the forearm from the beginning of the push phase on the stick.
• the device according to the invention is completed with an ergonomic shape on the upper part of the handle (9) matching the top of the hand, represented by the thumb and forefinger, whose function is to guarantee the holding of the handle in the user's hand when returning the arm forward.
• This shape can be more or less enveloping and can be completed by a strap encircling the index and middle finger on one side, the thumb on the other side of the handle.
• the device may include a locking system of the handle in its initial position against the stick temporarily preventing its pivoting. This function is suitable for practices or techniques where pivoting is not desirable such as ski descents or running.
• the handle may be one-piece or made of several assembled parts, molded of plastic, polymer or composite materials.
• the handle is formed with a "U" profile on the back of the stick. This "U" shape is adapted to receive a pivot axis, or any equivalent element, allowing the handle to swing on the end of the stick.
• the pivot angle of the handle on the stick is between 90 ° and 160 °.
• the front portion of the handle body located under the pivot axis is fully disengaged to allow this movement.
• the handle may have bearing surfaces for the thumb on one side, the index and the middle finger on the other side.
• a surface formed by a rigid spoiler at the bottom of the handle provides support to the lower part of the palm of the hand.
• these ergonomic supports can be an integral part of a one-piece handle or be removable and adjustable elements secured to the handle by a mechanical connection. These supports can receive a foam pad or a flexible coating.
• the handle may comprise a single support surface for the thumb and an adjustable strap adapted to grip the bottom of the palm of the hand and the wrist securely solidarisant the hand and the handle.
• the strap is made in a semi-rigid material combining a firm support to the "cutting edge" of the hand and having an elastic effect facilitating the passage of the hand to the installation of the device by the user.
• a quick adjustment system of the hand strap of the user completes the device.
• a bore is arranged to put a pivot axis passing through the stick and the handle.
• Any other device for creating a pivot between the handle and the stick, removable or not, can provide this function in the context of the device according to the invention.
• the device must be adapted symmetrically for the right hand and for the left hand.
• the device can have several sizes to adapt to different user morphologies or have adjustment systems and adjustment.
• the upper part of the handle may have a shape more or less
• the dimensions of the body of the handle (1) are of the order of 80 to 130 mm in height, 40 to 90 mm in width at the level of the lateral support zones, 30 to 50 mm deep.
• the support zone for the thumb is located between 25 and 45 mm from the top of the handle, the support zone for the forefinger and middle finger between 45 and 60 mm from the top of the handle.
• the angle of movement of the handle on the stick is between 90 ° and 160 ° with or without stop.
• the axis is represented by a mechanical pin, a screw, a bolt or any element ensuring the pivoting function.
• the axis of the pivot is provided with sliding elements so that the device remains mechanically reliable in intensive use by limiting the wear of the joint.
• the pivot axis is, depending on the method of manufacture and the size of the user, between 25 and 50 mm from the top of the handle to balance the pushing force of the hand while allowing a natural tilting of the hand. hand on the end of the stick without fatigue of the wrist, hand or forearm.
• the pivot axis at the stick can be made directly into the end of the stick with a mechanically reliable device to limit the wear of the joint.
• the pivot axis and the geometric axis of the handle is adapted to position the ergonomic shapes of the handle so as to have a natural positioning of the hand relative to the pivot axis of the handle. handle by bringing it closer to the axis of movement of the user. This angle is between 0 and 45 ° depending on the destination of the stick and the planned practice.
• the pivot axis (3) can be made in an insert on the end of the stick by gluing or assembly. This solution has the advantage of being able to adapt the device to any stick.
• an adjustable wrist strap wrapping the lower part of the palm of the hand and enclosing the wrist can be attached to the handle to complete the bearing surfaces of the handle.
• the strap increases the effectiveness of the transmission of the pushing force of the arm and solidarises the hand and the handle.
• a removable elastic link between the strap and the handle can be provided to hold the strap in position and secure the hand and the handle.
• a rigid spoiler (10), adjustable, interchangeable or of different sizes, provides a bearing surface for the lower part of the palm of the hand.
• This spoiler replaces or supplements a strap.
• a "leash” type restraint link, elastic or not, will prevent the user from letting the stick escape when the hand is released at the end of the pushing phase.
• this anti-loss function can be provided by one or more parts of "Velcro" between the glove and the handle, positioned in the region of the palm of the hand.
• the holding in position of the hand in the handle can be provided by one or more magnets in the handle at the palm of the hand and one or more metal parts sewn or glued face to face on the glove. Magnets and metal parts can be reversed.
• adjustable straps can hold the index finger and the middle finger on the outer face of the handle, the thumb on the inner part. These straps provide a role of maintaining in position the fingers and retaining the stick while forming lateral bearing surfaces for the thumb and middle finger on the handle.
• a return spring positioned at the pivot axis of the handle makes it possible to retain the stick when the arm is returned to the front and to improve its control and guidance.
• This spring can be replaced by an elastomeric elastic element compressed by tilting the top of the handle on the end of the stick when tilting the hand by returning the handle to the initial position.
• a stop is disposed between the handle and the stick.
• This stop may be adjustable, removable or interchangeable to adapt to the practice and technique of use of the stick or the morphology of the user.
• This stop makes it possible to adjust the inclination of the handle relative to the stick and to position the hand in an optimal position of support from the plant of the stick by aligning the hand and the wrist in the extension of the forearm.
• the movement of the handle on the stick can be limited by a stop (11), adjustable or interchangeable.
• This stop for limiting the movement of the handle may comprise a damping or elastic system participating in the return of the handle against the stick.
• a locking system of the handle against the stick can be adapted to the device.
• This system manipulable by the user, has a temporary function according to the practices and techniques of use of the stick.
• This function can be provided by an easily manipulable mechanical connection such as a snap ring connecting the stick to the bottom of the handle or any other system of pin or removable hooking.
• Figure 1 shows the device according to the invention with the handle (1) - here for the right hand - articulated on the stick (2) by the axis (3).
• Figure 2 shows a side view of the handle (without strap) in its pivoting movement about the axis (3).
• the figure shows the stop (8) between the stick and the handle in its initial rest position.
• Figure 3 shows the device according to the invention (without strap) in the left hand of the user with the thumb support area (4).
• Figure 4 shows a rear view of the handle (without wrist strap) with the lateral support zones for the thumb (4) and for the middle finger (5), the pivot axis (3) and the thumb stop and the index at the top of the handle (9).
• FIG. 5 shows a front view of the handle with the lateral support forms (4 and 5), a sleeve piece at the end of the stick allowing the pivot axis (3) to pass through and a return spring of the handle (7).
• Figure 6 shows the device with a spoiler support for the lower part of the palm of the hand (10) replacing or in addition to the strap.
• Figure 7 shows another embodiment with a bearing surface for the thumb (4) and a stop (11) adapted to limit the movement of the handle on the stick.
• Figure 8 shows the handle provided with an adjustable strap (6) adapted to grip the wrist with the bottom of the palm of the hand.

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• Walking Sticks, Umbrellas, And Fans (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=53008637

Family Applications (1)

Country Status (3)

Families Citing this family (4)

Family Cites Families (10)

• 2015
  • 2015-02-09 FR FR1500248A patent/FR3032333B1/fr not_active Expired - Fee Related
• 2016
  • 2016-02-08 WO PCT/FR2016/000020 patent/WO2016128628A1/fr active Application Filing
  • 2016-02-08 EP EP16714952.5A patent/EP3256018A1/de not_active Withdrawn

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