EP2160115A1 - Bâton avec amortisseur - Google Patents

Bâton avec amortisseur

Info

Publication number
EP2160115A1
EP2160115A1 EP08757276A EP08757276A EP2160115A1 EP 2160115 A1 EP2160115 A1 EP 2160115A1 EP 08757276 A EP08757276 A EP 08757276A EP 08757276 A EP08757276 A EP 08757276A EP 2160115 A1 EP2160115 A1 EP 2160115A1
Authority
EP
European Patent Office
Prior art keywords
pipe section
guide sleeve
floor
lowermost
stick
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
EP08757276A
Other languages
German (de)
English (en)
Other versions
EP2160115B1 (fr
Inventor
Klaus Lenhart
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 EP2160115A1 publication Critical patent/EP2160115A1/fr
Application granted granted Critical
Publication of EP2160115B1 publication Critical patent/EP2160115B1/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
    • 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
    • A63C2203/20—Shock or vibration absorbing

Definitions

  • the present invention relates to a pole, such as a trekking, skiing, hiking, or Nordic walking pole, which has a pole grip, a pole tube of at least three telescopic tubular sections, and a pole tip. Two adjacent pipe sections are adjustable relative to each other.
  • the inventive floor has a damping device with a rotatably held in a first pipe section guide sleeve in which an axially held on a second pipe section axle pin is guided.
  • EP 1 435 805 B1 discloses a shock absorbing floor whose impact properties are less harsh and whose spring back characteristics are less jerky and recoil free compared to the first two mentioned documents thanks to a special serial arrangement of the compression spring device.
  • the invention is therefore an object of the invention to provide a structurally simple floor with damping device available, which has the smallest possible weight and packing size and has the best possible swing behavior, the damping device should be accommodated as space-saving.
  • a stick such as a trekking, skiing, hiking, or Nordic walking stick, with handle, stick and stick tip is provided, which at least three telescopic pipe sections having. In each case two adjacent pipe sections are adjustable relative to each other.
  • the inventive floor has a damping device or a shock absorber with a rotatably held in a first pipe section guide sleeve and with a compression spring device, wherein in the guide sleeve an axially held on a second pipe section axle pin is performed.
  • the core of the invention is thus to shift the compression spring device, which is otherwise arranged in sticks with three pipe sections respectively in the central pipe section or between the two upper pipe sections, in the lower pipe section or between the two lower pipe sections.
  • the lowest pipe section of the three telescoping pipe sections on the smallest diameter and is at the same time in the telescoped state or in the smallest packing size of the innermost pipe section.
  • the diameter of the uppermost pipe section is greater than the diameter of the middle or second lowest pipe section and this in turn is greater than the diameter of the lowermost pipe section.
  • at least one compression spring device is arranged in the lowest of the four pipe sections, wherein the lowermost pipe section is at the same time the innermost of the four pipe sections.
  • the compression spring device can by their installation in the lowest Tube section filigree or are designed with a smaller diameter, since less material is necessary to fill the bottom or innermost telescoping tube section, which thus also has the smallest diameter tube.
  • This also brings with it a weight reduction of the built-in compression spring device with it.
  • the lowermost pipe section has a central axial cavity or a blind hole, in which the guide sleeve is embedded.
  • the lowermost pipe section has a smaller diameter than the second lowermost pipe section, wherein preferably also the second lowermost pipe section has a smaller diameter than the third lowermost pipe section adjacent to it.
  • the compression spring device is mounted completely in the guide sleeve and arranged respectively.
  • the guide sleeve is preferably mounted at least with a lower region and a central region in the lowermost tube section. It is advantageous if the guide sleeve is mounted in a proportion of about 60-90%, preferably about 80% of its length in the lowermost tube part.
  • the compression spring device has at least one pressure coil spring and / or at least one elastomer spring. Various serial or parallel arrangements of compression coil spring (s) and elastomer spring (s) are possible.
  • a particularly good damping behavior is achieved when the pressure spring device in series arrangement a compression coil spring and at its two axial ends one each Has elastomeric spring.
  • a shutdown possibility of the compression spring device or a bias of the suspension is conceivable.
  • springs with different spring characteristics may be provided in the compression spring device.
  • the spring travel is in the Erflndungsgefflessen stick substantially 5-15 mm, preferably 7-12 mm, particularly preferably 8-10 mm. Due to different spring characteristics of Druck mindfull- and elastomer springs, for example, a non-linear damping can be achieved. The same applies to the expansion, ie the receding course.
  • the pole tube preferably has two, three or four, more preferably three telescoping tube sections.
  • the lowermost pipe section of the inventive stock according to a further preferred embodiment has a diameter of 10-14 mm, preferably 12 mm.
  • the second lowermost pipe section advantageously has a diameter of 12-16 mm, preferably 14 mm, and the third lowermost pipe section has a diameter of 14-18 mm, preferably 16 mm.
  • the construction according to the invention makes it possible, according to a further preferred embodiment, for all pipe sections to have the same length.
  • Above the guide sleeve can be arranged coaxially to the compression spring device a center piece on the axle.
  • This middle piece which preferably consists of plastic or metal, can for example be screwed or sprayed onto the axle pin. It can simultaneously serve as a stop for any adjustment mechanism arranged above the compression spring device and at the same time serve as a blocking safeguard. But it can also meet, for example, the task of a spacer or stop for pipe sections.
  • an additional damping element preferably an elastic ring, in particular preferably a rubber ring or an O-ring of elastic material, may be arranged on the axle pin to the compression spring device above the guide sleeve.
  • an additional damping element preferably arranged below the middle piece and adjacent to this.
  • the elastic ring is not mandatory for the function of the spring system.
  • this additional damping element has the purpose of noise-reducing cushioning of the floor. Without such a damping element, could occur in compressed position of the stick at the meeting of eg formed of metal parts in the transition region between two pipe sections, for example, the insert piece on the bottom pipe to the center piece, a disturbing noise.
  • the guide sleeve between an upper portion and a lower portion of a stop, preferably a circumferential shoulder, on which the bottom tube portion rests with its upper edge.
  • the upper, middle and lower regions of the guide sleeve each make up substantially one third of the length of the guide sleeve, but it is preferred if the upper region, which preferably protrudes from the lowermost tube, is smaller than the middle one and lower area.
  • the upper region preferably has at its lower edge a circumferential shoulder on which the lowermost tube section can rest with its upper edge. This paragraph can either be integrally formed or attached to the upper portion of the guide sleeve.
  • the guide sleeve preferably in its central region, at least one axial
  • a cross pin is perpendicular to the pole axis in the guide sleeve, preferably arranged above the compression spring device and at least partially in the slot, so that it is axially movable in the slot between an upper stop and a lower stop.
  • the cross pin is the lower one
  • Pressure spring device is at least one spreading device is arranged on the axle.
  • the spreading device the subject matter of EP 1 450 906 B1 is explicitly included in the disclosure of the present document.
  • the Sp Dr Drövori ⁇ chtung a radially joineddrückbares and provided with an inner cone spreader and provided with an opposite outer cone and axially displaceable in the expansion element received inner member, and an axially directed, rotatably held at the lowermost pipe section adjustment screw, which is in operative connection with a female threaded hole in the inner element
  • the inner cone of the expansion element preferably extends in such a way that it opens towards the lowermost tube section, and that the expansion element is arranged coaxially between a lower inner tube-side stop, preferably on the guide sleeve, particularly preferably on an insert piece anchored on one side in the guide sleeve or on the above the guide sleeve Middle piece, and an upper stop at the free end of the adjusting screw is preferably held axially movable within small limits.
  • the inner cone is formed in two parts according to another preferred embodiment according to the invention. But it can also be integrally formed and have a continuous, open top and bottom axial slot. It can thereby be achieved that, for example, in wear phenomena of the inner cone is replaceable, since it is not only axially mounted on the axle pin, but also with already fastened fastener in the radial direction can be clamped onto the axle pin.
  • the inner cone for example, have a film hinge or another connecting means for the two conical halves. In the presence of a spreading the center piece or the additional elastic damping element, or if these two parts are not present, the upper end of the insert or the guide sleeve provide a stop for the expansion element.
  • the inner cone is formed hinged on film hinges to get over the firmly connected screw head or the head of another fastener.
  • the axle pin has a thread in an upper region, preferably only in the region on which the spreading device is mounted.
  • the head of the axle pin is preferably firmly formed. But it can also be releasably secured to the axle, for example by means of an attached stop nut or screw.
  • this separately patched end-forming head of the axle pin is fixed with a high-load connection method, which subsequently produces the effect of a fixed molded head to provide a resilient contact shoulder for the expansion element available.
  • the head is firmly formed, that is, the axle pin is formed integrally with the head, it is conceivable that the inner cone is screwed during assembly from below onto the axle pin before the axle pin is inserted into the guide sleeve. If a head can be placed separately, a non-slotted or split inner cone can also be replaced later by removing the head and installing the inner cone over the then free upper end. If a compression coil spring is arranged, then the compression spring device preferably has at least one pin, which projects into one end of the compression coil spring and has a projection.
  • the compression spring device is first inserted into the guide sleeve.
  • this compression spring device is advantageously a
  • Receptacle placed, which is preferably formed substantially cup-shaped upwardly open, and in which then the axle is inserted.
  • an insert piece can be placed on the guide sleeve, which partially engages axially in the guide sleeve and also has a central recess for receiving the axle pin.
  • the insert advantageously has at its in the guide sleeve projecting portion at least one, preferably two lugs or a circumferential nose, which self-engage in corresponding recesses or at least one undercut in the guide sleeve.
  • the guide sleeve can be inserted into the blind hole of the lowermost tube section. Furthermore, it is possible that the axle pin formed in two parts and that the two parts are connected via a connecting part. However, a one-piece construction of the axle pin is preferred because it allows a simplified construction.
  • the one-piece axle pin is formed continuously in such a case.
  • the axle pin preferably has a diameter of 0.3-1 cm, preferably between 0.4 and 0.7 cm.
  • Fig. 1 shows two schematic views of a damping device according to a first preferred embodiment of the invention in the unbent state, wherein Fig. Ia) and Fig. Ib), the damping device of two by 90 degrees show twisted views; and
  • FIG. 2 shows two axial sections through the damping device of FIG. 1, FIG. 2a) showing a section through the section axis A-A and in FIG. 2b a section through the section axis B-B; and
  • FIG. 3 shows two schematic views of a damping device according to a first preferred embodiment of the invention in a compressed state, wherein FIG. 3 a) and FIG. 3 b) show the damping device of two views rotated by 90 degrees in the circumferential direction; and
  • Fig. 4 shows two axial sections through the damping device of Figure 3, wherein in Fig. 4a) is a section through the cutting axis C-C and in Fig. 4b is a section through the
  • Section axis D-D are shown.
  • Fig. 5 shows three alternative exemplary embodiments of a erfmdungsgemässen
  • Fig. 5a a damping device without center
  • Fig. 5b a damping device without rubber ring
  • Fig. 5 c a damping device without rubber ring
  • Fig. 6 is a schematic representation of a stick with three telescopic pipe sections.
  • FIG. 1 shows two diagrammatic views, twisted by 90 degrees relative to each other, of a damping device according to a first preferred exemplary embodiment of the invention in an unstretched state.
  • the damping device 1 has a length L1 in the unstretched state, which corresponds to the distance from the upper end of the head of the fastening means 4 to the lower end of the guide sleeve 10.
  • the illustrated exemplary embodiment of the damping device 1 has a guide sleeve 10, which is rotatably mounted in a blind hole or an axial central cavity 20 of the lowermost tube section 25 of a pole tube 24 and into which an axle pin 2 engages with its lower free end.
  • a spreading device 32 is shown above the guide sleeve, which has a spreading element 3, an inner element 33 visible in the sections of FIG. 2 and an inner cone 5.
  • the axle pin 2 is provided at least at its upper end with an external thread and has a head 4 by means of a fastening means 4, preferably a screw, fixed axially.
  • the lower end of the expansion element 3 forms in Figure Ia on the Achsmas 2, for example, molded, screwed, fitted, clamped or welded center piece 8.
  • the compression spring device 35 is arranged in the guide sleeve 10.
  • the expansion element 3 has at least one, but preferably two opposing axial recesses 6.
  • this recess 6 engages within the expansion element 3 coaxially arranged inner element 33 with at least one axial rib 7, but preferably with two mutually opposite to the inner member 33 ribs 7 a.
  • this recess 6 is not visible, since the damping device is rotated relative to the figure 1 a by 90 degrees and in the illustrated embodiment in the expansion element 3 at one of the recess 6 by 90 twisted position no further recess.
  • the spreading device is in the representations of Figures 1 and 2 in unsp Rudtem state.
  • the elongated hole 12 arranged in the middle region 10b of the guide sleeve 10, which is essentially U-shaped in section, can be seen, which forms an upper stop 13 and a lower stop 14.
  • Between these stops 13, 14 is a Fühmngshülse and at least partially radially engaging in the slot 12 is a the axle pin 2 at its lower end by passing transverse pin 15 is arranged.
  • the transverse pin 15 is shown in the illustrations of Figures 1 and 2, i. at undamped or unattenuated floor 23 at the upper stop 13 of the slot 12 of the guide sleeve 10.
  • a insert piece 11 is placed or attached.
  • the axle pin 2 is with its lower end 37 in a receiving element 16, which is formed substantially cup-shaped and is mounted in the guide sleeve 10, added.
  • the receiving element 16 thus forms an intermediate element between the compression spring device 35 and the axle pin 2.
  • the transverse pin 15 shown in Figure 2a perpendicular to the pole axis S protrudes from the outside inwardly first the wall of the guide sleeve 10, then the axle 2 and then the opposite wall of the Guide sleeve 10.
  • the compression spring device is in Figure 2a and 2b as a series arrangement of three springs, wherein at both axial ends of a compression coil spring 18 above and below each one
  • Elastomer spring 17 is arranged formed. Between the elastomeric spring 17 and the
  • Compression coil spring 18 is a substantially T-shaped pin 34 is arranged, which partially engages in the compression coil spring 18 and thus a penetration of the
  • Elastomer spring 17 prevents the pressure coil spring 18.
  • the disc-like portion of the T-shaped pin defines the distance between the elastomer spring 17 and
  • the middle section preferably has a circumferential projection 39 both in the axial direction at its upper end and a peripheral projection 40 in the radial direction.
  • the circumferential nose 39 serves to stop the middle piece 8 on the underside of the inner cone 5. The indentation of the middle piece resulting from the nose 39 allows the spreading element a certain axial play within narrow limits.
  • FIGs 3 and 4 an embodiment of the inventive damping device 1 is shown in a compressed position. Compared to the illustration of Figure 1, no portion of the axle pin is here exposed between expansion element 3 and engaging piece 11 more. The elastic ring 9 rests on the engagement piece 11.
  • the transverse pin 15 is arranged in the compressed position substantially at the lower stop 14 of the elongated hole 12 in the guide sleeve. Only the part of the lower end 37 of the axle pin 2, through which the transverse pin 15 protrudes, which is accommodated in the receiving element 16, prevents the transverse pin 15 from directly contacting the lower stop 14.
  • the damping device 1 has a length L 1 ' which is smaller than the length Ll of the damping device 1 in the unbiased state.
  • the shortening of the length of the pole from the undamped to the damped state is approximately 5-15 mm, preferably 7-12 mm, more preferably 8-10 mm.
  • FIG. 5 shows three alternative exemplary embodiments of damping devices 1 in the unbiased state, with the damping device Ia shown in FIG. 5a having no additional damping element 9.
  • the damping device Ib of FIG. 5b lacks the center piece 9 and the damping device Ic of FIG. 5c lacks both said elements 8, 9.
  • the length L2 of the uncompressed damping device 1a of FIG. 5a is smaller than the length L1 of the uncompressed damping device 1 of FIG
  • the length L3 of the unamped damping device Ib of Figure 5b is again smaller than the length L2 of the unampled damping device Ia and the length L4 of the unampled damping device Ic is less than the length L3 of the unampled damping device Ib.
  • FIG. 6 shows a schematic view of a stick 23.
  • the floor 23, is shown here only as an example as a ski pole.
  • the floor 23 according to the invention can also be, for example, a trekking, hiking or Nordic walking pole or the like.
  • the illustrated pole tube 24, according to this exemplary embodiment three pipe sections 25, 26, 27, wherein each two adjacent pipe sections 25, 26 and 26, 27 are telescopically relative to each other, resulting in a length adjustability of the stick 23 results.
  • a pole tip 29 is arranged, which is optionally übercapt of a stick plate 30.
  • the pole tip 29 may well be designed as a buffer with or without spikes.
  • the lowermost tube section 25 has the smallest diameter of the three illustrated tube sections 25, 26, 27 forming the pole tube 24.
  • the pole tube 24 consists of more than three pipe sections.
  • the diameter of the uppermost pipe section 27 arranged immediately below the pole grip 28 is the pipe section with the largest diameter.
  • the second lowest pipe section 26 has a larger diameter than the uppermost pipe section 27. This is, for example, to achieve an improved Swing behavior of the stick 23 conceivable.
  • the tube sections, seen from top to bottom have decreasing diameters.
  • Each pipe section 25, 26, 27 may also have different diameters in itself.
  • the lower portion of a pipe section has a smaller diameter than the upper portion of the same pipe section.
  • the pole grip 28 may optionally have a hand strap 31 attached thereto or a coupling mechanism for an attachable hand strap 31.
  • pole tubes 23 are surrounded at the transition areas between two tube sections 25, 26 and 26, 27 by a collar.
  • the damping device 1 is arranged at such a floor between the pipe sections indicated by the reference numerals 25 and 26, ie, the guide sleeve 10 is inserted at the upper end of the lowermost pipe section 25.

Landscapes

  • Vibration Dampers (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)

Abstract

La présente invention concerne un bâton (23), comme par exemple un bâton de marche, de ski, de randonnée ou de Nordic Walking, qui présente une poignée (28), un tube de bâton (24) constitué d'au moins trois parties tubulaires télescopiques (25, 26, 27), et une pointe de bâton (29). Deux parties tubulaires adjacentes sont dans chaque cas déplaçables l'une par rapport à l'autre. Le bâton (23) selon l'invention présente un dispositif d'amortissement (1) avec un dispositif de ressort de pression (35), et une goupille axiale (2) maintenue fixement et axialement sur une deuxième partie tubulaire (26) est guidée dans une douille de guidage (10) maintenue de manière solidaire en rotation dans une première partie tubulaire (25).
EP08757276.4A 2007-07-03 2008-06-24 Bâton avec amortisseur Active EP2160115B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH10712007 2007-07-03
PCT/CH2008/000283 WO2009003298A1 (fr) 2007-07-03 2008-06-24 Bâton avec amortisseur

Publications (2)

Publication Number Publication Date
EP2160115A1 true EP2160115A1 (fr) 2010-03-10
EP2160115B1 EP2160115B1 (fr) 2014-06-18

Family

ID=38606698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08757276.4A Active EP2160115B1 (fr) 2007-07-03 2008-06-24 Bâton avec amortisseur

Country Status (5)

Country Link
US (2) US8474471B2 (fr)
EP (1) EP2160115B1 (fr)
JP (1) JP5289434B2 (fr)
CN (1) CN101686743B (fr)
WO (1) WO2009003298A1 (fr)

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US9254237B2 (en) * 2009-10-23 2016-02-09 Auckland Mobility Devices Limited Shock absorber insert for a walking aid
CH702967A1 (de) * 2010-04-14 2011-10-14 Lekisport Ag Nordic-walking-Stock mit Puffer.
WO2011157580A1 (fr) 2010-06-14 2011-12-22 Lekisport Ag Bâton avec amortisseur de chocs
US8528577B2 (en) * 2010-07-13 2013-09-10 Easton Technical Products, Inc. Shock absorbing system for trekking poles
US20120049502A1 (en) * 2010-09-01 2012-03-01 Jose Ascunce Telescopping Paddle for Skateboards
KR101218482B1 (ko) * 2011-05-13 2013-01-04 라제건 회전형 지팡이
CN102349730A (zh) * 2011-07-29 2012-02-15 苏州展华纺织有限公司 一种新型盲人手杖
EP2586505A1 (fr) * 2011-10-28 2013-05-01 K-2 Corporation Ensemble de bâton pliant
US8479755B2 (en) * 2011-11-18 2013-07-09 Gentry Way Co., Ltd. Ambulatory aid
JP2015171452A (ja) * 2014-03-12 2015-10-01 真紀子 浜元 歩行補助具
TWM489528U (en) * 2014-06-25 2014-11-11 Valor Enterprise Co Ltd Telescopically adjusting structure of cane
US10646012B2 (en) * 2015-02-13 2020-05-12 Lekisport Ag Pole having a tip spring mechanism
CN106901467B (zh) * 2017-03-30 2018-11-06 嘉兴日雅光电有限公司 一种折叠伞的手柄握持器
US10744051B2 (en) 2017-11-10 2020-08-18 Carolyn Virgo Mobility device
CN108499413A (zh) * 2018-06-15 2018-09-07 浙江乐匠新材料科技有限公司 一种水性涂料生产用调漆罐
USD894794S1 (en) 2018-10-12 2020-09-01 Carolyn Virgo Mobility aid
CN110755823A (zh) * 2019-11-22 2020-02-07 宁海兴达旅游用品有限公司 一种脚托组件及其杆杖的减震机构

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Also Published As

Publication number Publication date
JP2010531681A (ja) 2010-09-30
US8474471B2 (en) 2013-07-02
CN101686743A (zh) 2010-03-31
EP2160115B1 (fr) 2014-06-18
CN101686743B (zh) 2011-08-10
US20100170548A1 (en) 2010-07-08
WO2009003298A1 (fr) 2009-01-08
US20130247947A1 (en) 2013-09-26
JP5289434B2 (ja) 2013-09-11

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