EP4099866A1 - Bâton pliant - Google Patents

Bâton pliant

Info

Publication number
EP4099866A1
EP4099866A1 EP21703208.5A EP21703208A EP4099866A1 EP 4099866 A1 EP4099866 A1 EP 4099866A1 EP 21703208 A EP21703208 A EP 21703208A EP 4099866 A1 EP4099866 A1 EP 4099866A1
Authority
EP
European Patent Office
Prior art keywords
pipe section
pin
pipe
area
pull rope
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.)
Granted
Application number
EP21703208.5A
Other languages
German (de)
English (en)
Other versions
EP4099866C0 (fr
EP4099866B1 (fr
Inventor
Marco Hofer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lekisport AG
Original Assignee
Lekisport AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lekisport AG filed Critical Lekisport AG
Publication of EP4099866A1 publication Critical patent/EP4099866A1/fr
Application granted granted Critical
Publication of EP4099866C0 publication Critical patent/EP4099866C0/fr
Publication of EP4099866B1 publication Critical patent/EP4099866B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B9/00—Details
    • 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
    • A63C11/221—Ski-sticks telescopic, e.g. for varying the length or for damping shocks
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B9/00—Details
    • A45B2009/005—Shafts
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B9/00—Details
    • A45B2009/005—Shafts
    • A45B2009/007—Shafts of adjustable length, e.g. telescopic shafts
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B2200/00—Details not otherwise provided for in A45B
    • A45B2200/05—Walking sticks
    • A45B2200/055—Walking sticks for Nordic walking
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C2203/00—Special features of skates, skis, roller-skates, snowboards and courts
    • A63C2203/10—Special features of skates, skis, roller-skates, snowboards and courts enabling folding, collapsing

Definitions

  • the present invention relates to the field of sticks for hiking, Nordic walking, but also in the broadest sense for other sports such as cross-country skiing or alpine skiing, alpinism, etc.
  • Nordic Walkings are known pole constructions which are adjustable in length. The adjustability can be used on the one hand to adjust the length of the stick to the needs, and on the other hand to reduce the stick to as small a pack size as possible, i.e. to make the length so much smaller that the Stick can be stowed in a backpack or the like, for example.
  • Such constructions in which so-called inner tubes with a small diameter are slidably mounted in an outer tube with a slightly larger diameter, and in which the relative position of the tube sections can be determined by a locking mechanism, are known, for example, from DE 29706849 or from DE 497 08829 or EP 1 450 906.
  • folding sticks known for example from WO 2012/104424, in which individual stick segments are connected via plug connections.
  • the stick segments can then have essentially the same diameter, and the stick segments are connected to one another via a pull rope, so that after the individual stick segments have been plugged together, the segments are rigidly connected to one another by putting this pull rope under tension.
  • the problem with these constructions is that the flexible pulling rope has to connect the individual pole segments to one another and run through them. Such constructions are therefore not very easy to manufacture and service and can also only be assembled with difficulty according to different customer requirements.
  • the present invention relates to a folding stick with at least three or at least four, or preferably five pipe sections, the pipe sections being rigidly connected to each other in the assembled state of the folding stick via plug connections aligned along the stick axis, and at least two or at least three pipe sections only in the folded state are still connected to one another via a movable connecting element, and wherein a stick handle is arranged on an uppermost pipe section and a stick tip is arranged on a lowermost pipe section.
  • At least one of the plug connections is implemented via an external clamping mechanism and / or a positive locking device.
  • connection as an external clamping mechanism, e.g. with a lever, and another as a form-fitting locking device (arranged outside or inside); the connection with the interlocking locking device follows at the bottom.
  • the clamping mechanism is attached to a first pipe section, and in the case of this a second pipe section, which has a smaller or almost the same outer diameter as the inner diameter of the first pipe section, and which is slidably mounted in the first pipe section per se, in the relative axial position the external clamping mechanism can be fixed.
  • the alternative or additional form-fitting locking device is implemented on a second pipe section, the second pipe section having a smaller or almost the same outer diameter as the inner diameter of a first pipe section, and being insertable into the first pipe section, and in the relative axial position by the form-fitting Locking device can be fixed.
  • the further plug connections are designed as pure plug connections in which pipe sections are only fixed in one axial direction in the plugged together state, provided they are not held together by the pull rope.
  • the pipe sections are connected to one another via at least one pull cable which is fastened to the lowermost pipe section and to the uppermost pipe section and is arranged to run through the interior of the at least two or three central pipe sections.
  • the folding stick is designed in such a way that it can be brought or transferred from the folded state to the assembled state by plugging the (further) plug-in connections together or sliding into one another via the continuous tensioning of the pull cord, and then with the external clamping mechanism released or at detached locking device, the second pipe section is pulled out of the first pipe section until the pull rope is under tension, and by fixing the external clamping mechanism or the positive locking device.
  • the other plug connections are then fixed in both axial directions.
  • latching devices for example those as disclosed in WO 2018/224417 and having an external rocker, but also those as described in WO 2019/129484, which are arranged on the inside are.
  • the latching device can preferably be constructed as follows: as a clamping device for the form-fitting releasable axial fixing of an inner pipe section that can be pushed into an opening of the clamping device attached to an outer pipe, the clamping device having a circumferential plastic sleeve on which a clamping lever on the outside via an axis which is perpendicular to the pole axis is arranged, is tiltable against the restoring force of a spring element, wherein the plastic sleeve has two projections with through openings and / or recesses for the axle, and the clamping lever is mounted tiltably around the axle between these projections, and the plastic sleeve has a radial through opening, the clamping lever having a first lever arm with an externally accessible pressure area for Having releasing the clamping device and a second lever arm arranged on the other side of the axis, the second lever arm having a clamping projection which is arranged essentially radially to the pole axis and which engages through
  • the further plug connections or at least one of them are designed such that they have a guide pin provided with an axially extending central passage opening for the pull rope on one pipe section, which is firmly fastened with a fastening section in this pipe section and axially opposite one that is exposed in the folded state and has a pin area which can be pushed into the other pipe section, the fastening section and pin area having a through opening for the pull rope.
  • conical end pin with an axial through-opening for the pull cable for each plug-in connection.
  • the conical end plug is releasably attached, e.g. screwed or snapped into place, in the pin area, and each or at least one of these conical end pegs has an axial slot through which the pull cable can be inserted into the through opening in the radial direction.
  • the axial slot for the introduction of the pull rope into the through opening in the radial direction is exposed or can be exposed or opened when the conical end pin is removed from the pin area.
  • the axial slot of the conical end pin can be implemented in different ways.
  • the conical end pin is formed in one piece.
  • the conical end pin can now either have a rigid component with an axial slot essentially predetermined in width, through which the pull cable can be inserted into the through opening in the radial direction when the cone end pin has been removed from the pin area.
  • the conical end pin can also be used as a flexible component have an axial slot which is variable in width and which is widened for the introduction of the pull rope into the through opening in the radial direction in the state released from the pin area, preferably against a certain restoring force.
  • the axial slot can, however, also be provided in that the conical end pin as a flexible component has two cone end pin halves, preferably connected via a film hinge, the film hinge connecting the two cone end pin halves only on one side of the through opening. It is also possible to form such a cone-terminating pin component in two parts, d. H. without a film hinge, but then it is important to ensure that positioning aids are provided that precisely orient the two halves relative to one another when assembled, which is particularly important if an external thread is provided for fastening in the guide pin.
  • the conical end pin halves are preferably designed essentially symmetrically and are defined by a central axial separation surface.
  • Such a conical end pin can be removed from the pin area (for example by unscrewing it) and can then to a certain extent be opened over the film hinge so that the axial slot is available. However, it does not have to be opened completely, it is sufficient that the two halves are widened slightly on the side of the axial slot in order to open it for the introduction of the pull rope.
  • the film hinge is preferably provided on an axial end face of the conical end pin. In the assembled / screwed-in state of the conical end pin, the axial slot takes a parallel distance of 0 or even smaller in some areas of the thread. In this way, for example, a non-positive tension can be transmitted to the last thread turns and thus an unintentional unscrewing of the locking pin can be prevented.
  • the contact surfaces are usually parallel to one another (i.e. even an open slot in the assembled state, but can be opened in the removed state). If the contact surfaces are slightly conical to one another, a securing effect can also be achieved (because the surfaces are parallel to one another during assembly) by slightly increasing the outer diameter. This can of course also be done if the surfaces remain parallel to one another and the external thread of the end pin is enlarged (in partial areas).
  • the conical end pin can in turn be separated from the rope because of its axial slot, and the rope can be pulled through this further following pipe section.
  • the second lowest pipe section is then also free and can, for example, be replaced or exchanged for a different type of construction.
  • the lateral slot of the cone end pin can be designed in such a way that the pull cable can be snapped into or out of the through opening of the cone end pin with a slight resistance, or, as described above, it can also be realized via a film hinge, the two axially separated cone end pin halves on only one side of the
  • the conical end pin is preferably manufactured as an injection-molded component, for example from a thermoplastic material.
  • a thermoplastic material for example, polyamide, polyethylene, polypropylene, polycarbonate, polyurethane and mixtures or glass fiber reinforced variants thereof are possible.
  • the pin area can consist of such a material, but the pin area can also be made of metal. If an internal thread has to be provided in the pin area because the conical end pin is to be screwed into such a thread, this internal thread can either be provided directly in the pin area, or it is also possible to use an internal thread insert separately, made of plastic or metal, to be provided, which is inserted into the pin area and fastened therein, preferably glued in and / or pressed in.
  • each cone Closing pin has a conically tapering area exposed in the folded state, and means are provided in this conically tapering area via which the conical closing pin can be gripped and screwed in or screwed out or brought into a locking connection or released from a locking connection.
  • These means are preferably designed in the form of at least or exactly two, in particular opposite notches, steps or shoulders (eg also millings), which preferably have surfaces that run parallel to one another and form tangential planes to the axis of the stick.
  • These means can be designed in the form of exactly two opposite steps or notches which have surfaces running parallel to one another and forming tangential planes to the axis of the stick, these surfaces running parallel to the direction of the axial slot.
  • the respective conical end pin can easily be unscrewed and screwed back in, or a snap-in connection can be engaged or released.
  • Another preferred embodiment is characterized in that the two or three lowest pipe sections are connected to one another via the further plug-in connections mentioned, and that the following or the topmost of the three pipe sections has a terminating pin at its upper end (with a through opening for the pull rope, the pull rope runs freely therein and is not fastened), wherein this end pin has a head area that protrudes upward from the pipe section, and a neck area with which the end pin is firmly attached in the pipe section, and wherein the head area and neck area as two separate, detachable into one another screwable or releasably snap-in components are formed.
  • Another preferred embodiment is characterized in that an uppermost terminating pin is provided in the first pipe section, and the pull cable is fastened in this uppermost terminating pin in such a way that it can be pulled upwards out of the uppermost terminating pin when it is not under tension .
  • Particularly preferred by having at least one stepped in the topmost terminating pin Through opening is provided, with a taper in the lower area, and preferably the pull rope is caught with a knot or preferably a crimp in this stage.
  • This design increases the ease of servicing even further, because now the pull rope can be pulled up out of the topmost locking pin when it is not under tension.
  • the head area of the uppermost terminating pin and its neck area can be designed as two separate, detachable, screwable components.
  • first pipe section there can be (still) another pipe section into which the first pipe section can be slid and can be axially fixed in various positions with an external clamping mechanism, the topmost terminating pin being connected to this further pipe section with a further pull rope is, so that when the external clamping mechanism is released, the first pipe section cannot be pulled out of the further pipe section.
  • the further pull rope is then preferably releasably attached to the upper end of the further pipe section or to a handle attached to it, preferably in a rotation-free manner, whereby the attachment of the further pull rope can preferably be released by, if necessary after removing a cover of the handle, the attachment this further pull rope is freed from the outside non-destructively, for example via a hook connection.
  • Preferred dimensions are a stick with three lower pipe segments, which are connected to each other via two pure plug-in connections, and a subsequent fourth pipe segment, in which the third pipe segment slidably engages and wherein the pull rope is tensioned, in which the axial relative position between the the third and fourth pipe segment is set to the maximum so that the pull rope is tensioned.
  • a clamping mechanism with a form fit is preferably provided between the third and the fourth pipe segment.
  • a fifth uppermost pipe segment this has a slightly larger inner diameter than the outer diameter of the fourth pipe, and the fourth pipe is slidably mounted in this fifth pipe segment, to which the stick handle is also attached.
  • the relative position in the axial direction between the fourth and fifth pipe segment can be set variably, for example via an external clamping mechanism, for example with a lever, as described above and in detail below. But it can also be an internal clamping mechanism.
  • the attachment of the pull rope to the (lowest, i.e. attached to the lowest pipe section) Retaining element can be designed to be elastically sprung, preferably in that a (spiral or elastomer) spring is provided on the retaining element of the lowermost pipe section, through the interior of which the pull cable is arranged to run.
  • the pull rope is preferably designed to be tensile strength and inelastic at least in sections, in particular preferably over the entire length in the longitudinal direction.
  • the spiral spring preferably has an outer diameter so that it can be pulled through the through openings of the guide pins without a conical end pin and through the end pin without a head area.
  • the pull rope is preferably made of a flexible, non-elastic material with tensile strength in the longitudinal direction, is preferably provided with a plastic coating or cast in a plastic.
  • the prior art sheathing of the pull rope with a separate hose is no longer necessary due to the specific design of the conical end pin with the axial slot and is even disadvantageous because such a pull rope can be coated with a plastic or cast in a plastic layer can be optimally guided within the stick and take over its function, but can also be carried out through the conical end pins or their slots.
  • first pipe section is the uppermost pipe section
  • second pipe section is the first middle pipe section adjoining it downwards.
  • the uppermost pipe section is typically the one with the largest diameter and the clamping mechanism is high up, which then also results in an ideal weight distribution along the pole axis.
  • the first pipe section is preferably the uppermost or second uppermost pipe section
  • the second pipe section is the first central pipe section adjoining it downwards.
  • the latching device has, for example, a spring-loaded radial latching pin which is held in a radial through-hole in the second pipe section so as to protrude against the action of a spring.
  • the spring element is preferably a leaf spring, for example a spring plate, to the first end of which the locking pin is advantageously fastened, for example riveted.
  • the second end of the leaf spring preferably protrudes in a self-locking manner into a channel of a terminating pin arranged along the longitudinal axis of the pole.
  • the self-locking is achieved, for example, by means of barbs which, in the case of a spring steel sheet, are arranged at its second end.
  • the end pin is preferably held in the upper section of the second pipe section.
  • the end pin is with its head in the first pipe section inserted and fastened and has a collar which rests on the upper end of the second pipe section.
  • the neck of the terminating pin adjoining the collar at the bottom is preferably pushed into the second tube section in the overlapping area of the first and second tube sections.
  • a further preferred embodiment is characterized in that the further plug connections are designed in such a way that they are secured in the axial stop position against relative rotation of the pipe sections connected to them about the pole axis, preferably by ensuring a positive connection with regard to rotation, which is also preferably ensured locked automatically when the connectors are pushed together axially. This is particularly important when, for example, the tip of the pole and the grip of the pole are both asymmetrical, i.e. each designed specifically in the direction of travel.
  • Another preferred embodiment is characterized in that the pipe sections are dimensioned in such a way (in particular with regard to length but also in particular with regard to the possible insertion depth of the second uppermost pipe section in the uppermost pipe section) that in the assembled state the uppermost middle pipe section is essentially completely or only apart from one short section can be inserted into the uppermost pipe section.
  • this results in a situation in which, in a folding stick with four pipe sections, the top two are almost completely pushed into one another and the lower two can be arranged in a zigzag, so to speak, loosely and only connected to one another via the pull cord. This results in a minimally small pack size.
  • the closure element which is preferably made of plastic, has, according to a particularly preferred embodiment, a head section and a neck section, the neck section preferably being insertable into the upper end of the mounting element, screwing in by means of an externally threaded bore, or being pluggable and rotatable with a bayonet catch .
  • the holding element preferably has an internally threaded bore in its upper region.
  • the closure element is arranged axially above the spiral spring. Between the spiral spring and the closure element, a guide element is preferably arranged as a stop element, which rests with a radial flange on the spiral spring and projects into the spiral spring with an axial guide section.
  • the radial flange of the stop element serves as a clear stop or support surface for the closure element.
  • the lower rope connection ie the pull rope knotted or crimped at the bottom together with guide elements, spiral spring and locking element, represent in this way one for The user simply removes a unit from the pole. To change the rope, the user releases the locking element from the mounting element, removes the said unit and, if necessary, releases the knot or crimp at the lower end of the pull rope (loosening the knot or crimp is not absolutely necessary as the cable unit can be completely removed). In this way, the rope can be pulled out from above, preferably through the handle head.
  • the further plug-in connections are designed in such a way that they have a guide pin (preferably one-piece, made of plastic) provided with an axially extending central passage opening for the pull cable on one pipe section, which is provided with a Fastening section is firmly fastened in this pipe section and axially opposite has a pin area that can be pushed into the other pipe section, with a preferably radially circumferential, outwardly directed support flange being provided between the fastening section and pin area, which when plugged together in axial stop with the pipe end of the other pipe section and / or is brought with a pipe end collar provided thereon, this axial stop preferably being formed asymmetrically around the pole axis, and / or being furthermore preferred termass the pin area at its end facing the other pipe section has an at least partially conically tapering area.
  • a guide pin preferably one-piece, made of plastic
  • it can preferably be a stick grip, which has, for example, a hook-like device for fastening a hand-holding device, in particular in the form of a hand strap or a glove, with movable or rotatable locking means being arranged in the area of the hook-like device in such a way that a substantially from above into the hook-like device is inserted, loop-shaped, ring-shaped or eyelet-shaped device, which is provided on the hand-holding device, is fixed in the hook-like device in a self-locking manner, the hook-like device preferably being arranged on the stick handle on the hand side in the upper area, and furthermore preferably the hook-like device being one preferably substantially parallel to the pole axis arranged holding mandrel or holding pin, which is offset from the handle body with the formation of an insertion slot on the hand side or is arranged as an incision in the handle body , wherein the depth of the insertion slot is preferably greater than the width and the thickness of the retaining mandrel or
  • the stick handle is ergonomically designed, for example as disclosed in EP 2 168 641.
  • the stick handle has a cover on its handle head which can be removed.
  • the handle head preferably has an axial through-hole at its lower end, through which the upper end of the pull rope protrudes into the handle head.
  • the upper rope connection can be designed, for example, in that the upper end of the pull rope is knotted or crimped.
  • the stick tip comprises a tip body and a buffer, the tip body and / or the lowermost section of the stick body being arranged to pass through a central opening of the buffer and the buffer in an axial direction towards the stick body in this central opening lockable is mounted displaceably, and wherein the buffer can be fixed in at least two axially different positions via a form-fitting connection with respect to the stick body, the tip body preferably having a latching slot, in which latching slot a latching body mounted in the buffer can engage positively to determine the axial position and the Latching body pivotably and / or displaceably and / or fixedly mounted in or on the buffer, and in particular preferably the latching body is designed in the form of a latching lever which is hinged on the outside, the latching lever mi t its lower end, which faces the asymmetrical roll-off surface of the buffer, is hinged to the outer sleeve and with its upper end in the fixed position of the buffer, the pole and / or an inner
  • the external clamping device comprises a plastic sleeve which essentially directly surrounds the pipe section at least in one axial section and in the In the closed state, the plastic sleeve has at least one axial slot which makes the circumference of the plastic sleeve variable in this area, at least in the area gripping the pipe section, and is essentially circumferential in the remaining axial area, a projection being arranged on the plastic sleeve on both sides of this slot
  • These projections have a coaxial through-opening arranged essentially perpendicular to the axis of the pipe section, through which a transverse pin extends which has a stop on the outside of the second projection and which has a stop on the outside of the first projection perpendicular to the axis of the transverse pin and parallel to the axis of the pipe section has an axis of rotation for a clamping lever, the clamping lever having a lever arm which at least
  • the folding stick can be designed to be adjustable in length.
  • the length adjustment mechanism can be a force fit working external clamping mechanism, as described in the previous section.
  • the clamping mechanism is preferably used for the telescopic length adjustment of the second pipe section and is attached to the first pipe section for this purpose.
  • the lower middle pipe section is preferably configured to be adjustable in length. If the folding stick is designed to be adjustable in length, it preferably has an additional tube section, preferably at the top adjoining the first tube section, to which the stick handle is attached, the external clamping mechanism being attached to the uppermost tube section.
  • the pole tube is preferably designed essentially from aluminum or carbon, with the transition areas of the individual tube sections being reinforced by means of stabilizing sleeves, for example made from aluminum, in the case of a carbon version. Further embodiments are given in the dependent claims.
  • FIG. 1 is a view of a stick with four pipe sections in the folded state, the lower two pipe sections being loosely arranged and only connected via the pull cord and the two upper pipe sections being pushed into one another as far as possible and in their axial position relative to one another via the external clamping mechanism are set;
  • FIG. 2 shows an axial section through a folding stick according to FIG. 1 in the assembled state;
  • FIG. 3 shows a view of a stick according to a second embodiment in the folded state, the stick having a positive locking device for tensioning the cable instead of an external clamping mechanism;
  • FIG. 4 in a) an axial section through a folding stick according to FIG. 3 in the assembled state, in b) a section through the area of the locking mechanism serving to tension the cable between the first and the second tube section according to V; in c) the view according to U as shown in FIG. 4a); in d) the view according to T as shown in FIG. 4a);
  • FIG. 5 shows a view of a stick according to a third embodiment in the folded state, the stick having a positive locking device for tensioning the cable and an external one for length adjustment Clamping mechanism;
  • FIG. 7 in a) shows a partial axial section through an end pin according to FIG.
  • FIG. 12 shows a view of a stick according to a further embodiment in the assembled state, the stick having an external clamping mechanism at the top for tensioning the cable and a positive locking device underneath, and the stick being plugged together on the left and the construction on the right is shown without tubes, exposing the clamping mechanisms and the pull rope, etc.
  • Figure 1 shows such a folding stick 1 in the folded up
  • FIG. 2 in the assembled state.
  • such a stick comprises an uppermost pipe section 7 to which a stick handle 2 is attached at the very top.
  • This stick grip 2 is designed asymmetrically in this case, in the running direction towards the front it is beveled at the top and there has a release head 5 for a holding mechanism for a hand-held device, and to a certain extent towards the rear via a holding lug 3, which is in the form of a pin with a slit 4 arranged in front of it is formed.
  • the stick grip also has a grip area 6, which is usually designed as an area with a grip-friendly coating.
  • An external clamping mechanism 10 is arranged at the lower end of this uppermost pipe section, in the case of the pipe, in principle, this applies to all pipe sections, a pipe made of aluminum or carbon composite material. In this specific case, it is an external clamping mechanism as it is known from WO 2010/085905, but it could also be a clamping mechanism according to EP 098 898 or EP 1 217224.
  • the clamping mechanism 10 is attached to the pipe section 7 in its upper area via a circumferential holding area 13, which is typically made of plastic; the actual clamping area of the cuff located below the area 13 leads to the outer tube 7 being clamped to the inner tube 8 pushed into it and thus a force-fit connection between the two can be established.
  • a circumferential holding area 13 there is correspondingly a slotted clamping area 14, the slot running between two projections which are passed through by a transverse pin forming a clamping axis 12.
  • the pin is fixed on the rear side with a nut, for example, and on the side shown here on the front side it is connected to the lever 11 via a transverse axis which forms a fulcrum for the lever 11.
  • the lever 11 has at its pivot point two fork-shaped extensions, which are designed as eccentrics, so that the clamping lever 11 in the clamped together state, as shown here when the Lever around the stick tube, respectively. is placed around the clamping device, the slot is narrowed so much that the clamping takes place, and that when the lever is folded outwards, this clamping is reduced because the eccentric widens the two projections to a certain extent and releases the clamping.
  • the upper of the two middle pipe sections 8 is inserted from the inside.
  • the outer diameter of this upper middle pipe section 8 thus corresponds to just slightly less than the inner diameter of the uppermost pipe section 7, so that displaceability is ensured with as little play as possible.
  • the uppermost pipe section 7 accommodates the upper of the middle pipe sections 8 as far as possible in order to keep the packing size as small as possible.
  • the pipe section 8 is pushed in as far as it will go on an upper fastening pin 27.
  • the upper of the two middle tube sections 8 is followed by a further lower middle tube section 8 ', here to a certain extent folded over, which has the same tube diameter as the upper middle tube section 8.
  • a plug connection 17 which is not connected here.
  • the plug connection 17 has a guide pin 49 which is conically tapered 18 at its tip.
  • the guide pin 49 is attached to the lower of the two pipe sections 8 'and pushed into this via a fastening area 37, the other pipe section 8 typically has an upper pipe end collar 15, among other things to protect the pipe end, but also to fix it against rotation (see below).
  • the conically tapering area 18 is designed as a slotted conical end pin which is detachably inserted, preferably screwed or latched, into the cylindrical area of the plug connection 17.
  • the conical end pin 18 has an external thread or snap-in elements (e.g. protrusions) in the area engaging in the cylindrical area of the plug connection 17, and the cylindrical area of the plug connection 17 on the inside there has a corresponding internal thread, or in the case of a snap-in clip Connection via recesses, for example in the form of opposing bores, into which elastically mounted and movable projections can engage.
  • the conical end pin 18 has two axially opposite notches 18 'in the exposed tapering conical area, the axially extending flanks of which run parallel so that the cone end pin 18 can be unscrewed with a tool.
  • a lower pipe sealing collar 19 is in turn provided there.
  • the lowermost pipe section 9 which in this case is a butted pipe which, in the uppermost section, has the same diameter as the two middle pipe sections 8, 8 ', but which tapers downwards.
  • a stick tip 23 is attached, this stick tip is designed asymmetrically, that is, it has a beveled rubber buffer 25 tapering towards the rear, which is also adjustable here, as between at least two Positions can be adjusted.
  • the lowermost pipe section 9 also has an essentially identically constructed plug connection 17 as in the case already described, ie there is a guide pin 49 which is conically tapered 18 at its tip and which has an outside diameter so that it can be inserted into the lower end of the lower middle pipe section 8 '.
  • the conically tapering area 18 is also designed here as a slotted conical end pin which is screwed into the cylindrical area of the plug connection 17.
  • the conical end pin 18 has an external thread in the area engaging the cylindrical area of the plug connection 17, and the cylindrical area of the plug connection 17 has a corresponding internal thread there on the inside.
  • the conical end pin 18 has two axially opposite notches 18 'in the exposed, tapering, conical area, the axially extending flanks of which run parallel so that the cone end pin 18 can be unscrewed with a tool.
  • the pull rope 16 preferably has a thickness of 0.25-6 mm, preferably 0.4-3 mm, particularly preferably 0.5-2 mm.
  • multifiles made of several monofilaments arranged in parallel for example made of polyethylene with ultra-high molecular weight
  • UHMWPE or PE-UHMW or high-modulus polyethylene HMPE
  • UHMWPE or PE-UHMW or high-modulus polyethylene HMPE
  • Chain-like pull ropes are also possible.
  • the pull rope 16 can be provided in sections, in particular in the sections provided for the folding, with a protective sheath, preferably in the form of a PVC hose. It is preferably a flexible but low-stretch pull rope with a thickness in the range of 0.5-1.5 mm, for example made of braided UHMW-PE fibers obtained by gel extrusion spinning, cast in or provided with a coating of a thermoplastic material.
  • Figure 2 shows an axial section through this stick when it is in the assembled state, ie when the two lower pipe sections 8 'and 9 are inserted into one another and the two upper pipe sections 7, 8 are pulled apart as far as possible.
  • the stick can be transferred from the folded position as shown in FIG. 1 into the nested position according to FIG ) the middle section 8 'is pushed into the other middle section 8 via the corresponding plug connection 17, and by subsequently releasing the external clamping mechanism 10 by releasing the lever 11, and then pulling the tube 8 out of the tube 7.
  • This is up to the state in which the pull rope 16, as shown in FIG. In this position, the stick is now fixed in that the external clamping mechanism 10 is fixed again.
  • FIGS. 4b and 6c alternative exemplary embodiments are shown in which the cable tension is achieved by a positive locking mechanism instead of the external clamping mechanism 10.
  • the clamping mechanism shown in FIG. 6b is analogous to that shown in FIG. 2, but fulfills the function of adjusting the length of the upper part of the second pipe section 8 '.
  • the upper connection of the pull rope is shown here.
  • the upper end of the pull cable is crimped and the crimp 30 prevents the pull cable from passing through the through opening 35 of the end pin 34.
  • the pipe section 8 connected to the additional pipe section 59 with the handle head or one between the upper end is via the further pull cable 16 ' of the additional pipe section and the handle attached rope connected as a fastening element.
  • the length of this further pull rope 16 ' is set so that the pipe section 8 can only be pulled downward out of the additional pipe section 79 just enough that it is just guided sufficiently in the latter. This ensures that the pipe section 8 is always sufficiently inserted into the additional pipe section 79 and that the two pipe sections cannot be separated.
  • the cutout highlighted as an insert on the right of FIG. 6b shows how the end pin 34 can be screwed with its external thread into a threaded sleeve, for example made of metal, glued into a plastic ring fastened in the pipe section 7.
  • the end pin 34 also has, as shown in FIG. 7 a, a channel 54 into which the upper end of a leaf spring 52 protrudes and in which the leaf spring 52 is fastened in a self-locking manner, here with the aid of barbs 55.
  • a locking pin 51 is attached, e.g. riveted. If pressure is exerted on the locking pin in the radial direction to release the locking mechanism, the leaf spring is tensioned and the locking pin 51 enters at least partially through the through opening 35 into the interior 31 of the pole tube.
  • the end pin 34 can also be designed for a clamping mechanism according to WO 2012/104424, ie for an external positive clamping mechanism with a spring-loaded rocker (see FIGS. 7b and c).
  • This rocker engages with its tip from the outside for the form fit in the circumferential groove 69 provided in this end pin 34.
  • the end pin 34 has a lower region 34b with which it is fastened in the pipe section 8, preferably glued or firmly clamped. It is pushed into the pipe section 8 up to the collar 34c.
  • Above the circumferential groove 69 follows an extension area 70 with essentially the same outer diameter as that of the Pipe section 8. This extension area 70 ensures that the unit of pipe section 8 and this terminating pin 34 is always guided sufficiently in the following pipe section 7.
  • the end pin 34 preferably has a head area 34a screwed into the lower area 70 / 34b.
  • a head area 34a which typically also has one or a plurality of axial slots, has a narrow axial through opening for the pull rope and an external thread 72 in the area protruding into the lower area of the pin.
  • the extension area has a corresponding upper area an internal thread, and the lower region of the end pin 34 has a continuous axial through opening with a large diameter.
  • the second pipe section 8 also has a respective terminating pin 34 which has an axial through opening 35 for the pull rope.
  • the head 34a of the end pin 34 is inserted into the first tube section 7 adjoining the second tube section 8 at the top, while the collar 34c rests on the upper end of the second tube section 8 and with the neck section 34b into the upper end of the second Pipe section 8 protrudes.
  • the head 34a is preferably designed as a separate component and can be inserted, preferably screwed, into the lower part of the end pin 34.
  • the end pin 34 can be seen in a somewhat unscrewed position so that the external thread 72 is visible.
  • the neck section 34b finds a stop at the upper end of an optional insert element 62 fixed in the second tube section 8 or directly in the tube section.
  • the insert element 62 rests with its outer wall on the inner wall of the second pipe section 8 and has a through hole 53 which is aligned or coincides with that of the second pipe section 8, so that the locking pin 51 passes through this through hole 53 from the interior 31 of the stick pipe through the can protrude outwards.
  • the sticks according to the exemplary embodiments shown in FIGS. 3 and 4a, or 5 and 6a, have an ergonomically shaped stick handle 2, the handle head 57 of which has a cover 58 which can be opened or removed. If this cover 58 is opened or removed, the above-described crimp 30 or the upper one is The end of the traction rope 16 is accessible through the cavity in the handle head 58, or the rope attachment of the further traction rope 16 'described below, which, in particular in combination with the configuration of the lower rope connection described below, enables the traction rope to be exchanged in the event of wear.
  • the plug connection 17 is formed in two parts.
  • the pin area 49 which has a head section with a conically tapering area 18 in the form of the conical end pin designed as a separate component, protrudes here with a neck section into the upper section of the fastening section.
  • the pin area 49 can be made from plastic, for example, and the fastening section 37 can be made from aluminum or composite materials.
  • the plug connection 17 does not have a circumferential flange 21 between the pin area 49 and the fastening section 37, so that the two tube sections 8 'and 9 are not offset against one another.
  • the area where the two pipe sections rest against one another is encased here by a pipe end collar 19.
  • the plug connection 17 is formed in two parts from a mounting element 37 and a closure element 56, the conical end pin 18.
  • the closure element 56 which has an externally threaded bore in the neck section 56b, is screwed into the upper end of the mounting element 37, which has an internally threaded bore.
  • the connections of the closure element or the conical end pin can alternatively also be implemented using other connection techniques that can be easily and non-destructively detachable, such as bayonet locks, locking elements or by detachable joining techniques.
  • the closure element can be designed here analogously to the pin area 49 of the plug connection or the guide pin 17 between the pipe sections 8 'and 9.
  • An upper stop element 40 is not shown in FIGS. 4d and 6e, but is advantageously arranged between the closure element 56 and the spiral spring 9, as well as a lower area, which is used to effectively hold the plug connection in the upper end of the lower pipe section.
  • the specially designed conical end pin which is used in the two plug connections between the lower three pipe sections 8, 8 ', 9, is installed.
  • This conical end pin 18 has an axial through opening 64 for the pull rope 16. It also has an external thread 68 in the area protruding into the pin area 49. He also has a single axial slot 63 running over the entire length, which allows the conical end pin 18 to be separated from the pull rope without any crimps or the like having to be loosened on the pull rope. This is because the pull rope is preferably fastened in the respective elements with crimps, since this is the only way to ensure that the corresponding fastening really lasts. Accordingly, it is of considerable advantage if the conical end pin can not only be unscrewed and screwed in again, but can also be separated from the pull rope with the aid of the slot.
  • the conical end pin also has two lateral notches 18 ′, which are provided in the conical area protruding from the pin area 49. These notches 18 'have axially running flanks which are parallel so that the conical end pin 18 can be easily gripped and screwed out or screwed in with a fork wrench or a similar tool.
  • the uppermost terminating pin 65 is shown. It has a head area 77, which projects beyond the uppermost pipe section 7, and a neck area 78, which is firmly fixed in the uppermost pipe section 7.
  • a stepped through opening 66 for the pull rope 16 is provided in this uppermost terminating pin 65.
  • the stepped through opening has a narrow area 67 through which the pull rope can be guided and a further area arranged after the step 73.
  • the pull cable can be fastened in this upper end pin 65 with a crimp, which then comes to rest in this further area, but can also be pulled upward out of the pin when the pull cable is relaxed.
  • the further pull cable 16 ' is fastened with a cable fastening element, as shown in FIGS. 10a and b.
  • the fastening element 79 has a plate area which can be placed on the additional pipe section 59 or fastened at the very top of this.
  • the recessed area 81 engages, for example, in the upper cavity of the additional pipe section 59.
  • a through opening 82 for the further pull rope 16 ' is provided in the area 81. So that any hooks 86 provided on this pull cable can be guided through the cable fastening element 79, there can be a lateral widening 83 in the through opening.
  • the fastening element then adjoins the lower region of the base 91 of the handle, which is shown from above in FIG.
  • the pull rope is attached at the top so that it is folded over in an upper loop 85 and with a Crimp 84 the loop is set.
  • This loop 85 is gripped by a hook 86 which is mounted in a rotatable pin 87 in the actual bearing element 88.
  • the rotatability is an advantage, since then the pull rope cannot twist with respect to one another when the pipes are rotated.
  • the bearing element 88 converges conically downwards and has a retaining ring 89 at the top. With its conically downwards converging area, the bearing element 88 rests either on a step in the through opening 92 in the bottom 91 of the recess 90 of the handle head, or on the rope fastening element 79.
  • the further pull rope 16 ' can then be easily released by pushing the additional pipe section 79 and the uppermost pipe section 7 into one another as far as possible by releasing the external clamp, so that the further pull cable 16' is relaxed, then the bearing element on the retaining ring 89 can be pulled upward out of the handle head, the hook 86 can be separated from the loop 85, and then the uppermost pipe section 7 can be pulled downward out of the additional pipe section 79.
  • the folding stick can be taken apart and reassembled without destruction, and parts can be exchanged, renewed or otherwise changed.
  • FIG. 11 shows a conical end pin 18, which consists of two cone end pin halves 96.
  • the two halves are connected in one piece via a film hinge 93.
  • the conical end pin halves 96 are designed essentially symmetrically and are separated by a central axial imaginary separating surface. If the two halves 96 are folded onto one another around the film hinge 93, the axial through opening 64 is formed and the slot 63 is given by a distance between the contact surfaces.
  • the conical end pin 18 is screwed into the pin area via the external thread 68, the slot 63 is closed as the contact surfaces abut.
  • positioning pins 94 and corresponding positioning recesses 95 are provided in the contact areas.
  • Other form-fitting and / or force-fitting connections are also possible, although they must be detachable.
  • the film hinge 93 is arranged on the axial end face 97 only on one side, ie only on one side of the through opening 64 formed in the collapsed state, so that the axial slot 63 is released and the pull cable is inserted can be.
  • Figure 12 shows a further embodiment of such a stick with five pipe sections, the lowest two connections between the sections 9 and 8 'and 8' and 8 are designed as pure plug-in connections with corresponding conical end pins 18.
  • this embodiment only one can such a plug connection can be provided, d. H. it is also possible to form this embodiment with four pipe sections, i. H. the section 8 ', which is shown here, would not exist there.
  • an external latching connection between the pipe section 8 and the further pipe section 7 arranged further up, and then between the uppermost pipe section T and this further pipe section 7 there is an external clamping mechanism.
  • the pull rope runs as a single pull rope through this entire construction and is attached to the lowermost pipe section 9 and to the uppermost pipe section 7 '.
  • Tube section 56b Neck section of 56c Collar of 34 56c Axial through opening Axial through opening for of 56
  • Stop element for 39 62 insert element guide element or 63 axially extending slot in
  • End element for 39 18 axial through opening in 80 plate area from 79 18 81 countersunk area from 79 uppermost end pin 82 through opening for stepped through opening further pull rope 16 'in 65 for pull rope 83 extensions / axial grooves taper in 66 for fastening the further external thread of 18 pull rope circumferential groove in 70 of 34 84 Crimp for the upper loop of the extension area of 34 further pull cords 16 'slot in 34a 85 upper loop of the further

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)
  • Surgical Instruments (AREA)

Abstract

Bâton pliant (1) comprenant quatre ou cinq segments tubulaires (7-9), les segments tubulaires (7-9) à l'état assemblé du bâton pliant (1) étant reliés les uns aux autres par l'intermédiaire de raccords à emboîtement de manière alignée le long de l'axe (32) du bâton, et au moins deux ou trois segments tubulaires (8, 8', 9) à l'état plié n'étant reliés les uns autres plus que par l'intermédiaire d'un élément de liaison mobile (16). Une poignée de bâton (2) est disposée sur le segment tubulaire supérieur (7) et une pointe de bâton (23) est disposée sur le segment tubulaire inférieur (9). Ce bâton pliant est caractérisé en ce qu'une extrémité de pivot conique (18) respective présentant une ouverture de passage (64) axiale est insérée, de préférence vissée de manière amovible dans la partie de pivot d'emboîtement (49, 17'') des raccords à emboîtement et verrouille celle-ci vis-à-vis du segment tubulaire suivant, chacune de ces extrémités de pivot coniques (18) présentant une fente axiale (63) à travers laquelle le câble de traction (16) peut être introduit dans l'ouverture de passage (64) dans la direction radiale.
EP21703208.5A 2020-02-07 2021-02-02 Bâton pliant Active EP4099866B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1402020 2020-02-07
PCT/EP2021/052355 WO2021156220A1 (fr) 2020-02-07 2021-02-02 Bâton pliant

Publications (3)

Publication Number Publication Date
EP4099866A1 true EP4099866A1 (fr) 2022-12-14
EP4099866C0 EP4099866C0 (fr) 2023-10-04
EP4099866B1 EP4099866B1 (fr) 2023-10-04

Family

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Application Number Title Priority Date Filing Date
EP21703208.5A Active EP4099866B1 (fr) 2020-02-07 2021-02-02 Bâton pliant

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US (1) US20230128362A1 (fr)
EP (1) EP4099866B1 (fr)
JP (1) JP2023513511A (fr)
KR (1) KR20220136401A (fr)
CA (1) CA3166869A1 (fr)
WO (1) WO2021156220A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023147992A1 (fr) 2022-02-01 2023-08-10 Lekisport Ag Baton pliable

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599397U (ja) 1982-07-12 1984-01-21 星野楽器株式会社 ドラムセツト用締付金具
US5441307A (en) 1993-09-01 1995-08-15 Black Diamond Equipment, Ltd. Adjustable length ski pole/clamp
DE29706849U1 (de) 1997-04-16 1998-08-13 Lenhart, Klaus, 73230 Kirchheim Längenverstellbares Rohr, insbesondere für Ski- oder Wanderstöcke
DE29708829U1 (de) 1997-05-17 1998-09-17 Lenhart, Klaus, 73275 Ohmden Längenverstellbares Rohr, insbesondere für Ski- oder Wanderstöcke
DE19860521A1 (de) * 1998-12-29 2000-07-06 Martin Straus Längenveränderbarer Ski- und Wanderstock
FR2818332B1 (fr) 2000-12-20 2003-09-12 Rossignol Sa Dispositif de serrage et baton telscopique reglable en longueur utilisant un tel dispositif de serrage
DE10215593A1 (de) * 2002-04-10 2003-10-23 Martin Straus Verspanneinrichtung für zusammenklappbaren Ski- und Wanderklappstock
DE20207554U1 (de) 2002-05-08 2003-10-09 Lenhart Klaus Längenverstellbares Rohr, insbesondere für Stöcke
EP1827150B1 (fr) 2004-12-23 2017-08-30 Lekisport AG Dispositif d'attache a main, notamment gant destine a etre fixe a une poignee de baton
EP2066195B1 (fr) 2006-09-25 2010-03-24 Lekisport AG Bâton de marche nordique avec sabot en caoutchouc
DE102007051197A1 (de) * 2007-10-25 2009-04-30 Marc Gallo Markierungsvorrichtung für Spielfelder für Feldsportarten
CH699566A2 (de) 2008-09-25 2010-03-31 Lekisport Ag Stockgriff.
WO2010085905A1 (fr) 2009-01-29 2010-08-05 Lekisport Ag Bâton réglable en longueur et dispositif de serrage pour celui-ci
KR101945337B1 (ko) 2011-02-04 2019-02-07 레키스포르트 아게 특히 노르딕 워킹을 위한 접힘식 폴
CN110708979B (zh) 2017-06-06 2022-11-22 雷克体育公众有限公司 用于长度可调节的手杖的夹紧设备
US11071362B2 (en) 2017-12-26 2021-07-27 Lekisport Ag Adjustable and retractable rod apparatus

Also Published As

Publication number Publication date
CA3166869A1 (fr) 2021-08-12
JP2023513511A (ja) 2023-03-31
EP4099866C0 (fr) 2023-10-04
CN115066192A (zh) 2022-09-16
WO2021156220A1 (fr) 2021-08-12
US20230128362A1 (en) 2023-04-27
KR20220136401A (ko) 2022-10-07
EP4099866B1 (fr) 2023-10-04

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