EP2160515A1 - Bâton réglable en longueur et dispositif de serrage approprié - Google Patents

Bâton réglable en longueur et dispositif de serrage approprié

Info

Publication number
EP2160515A1
EP2160515A1 EP08757275A EP08757275A EP2160515A1 EP 2160515 A1 EP2160515 A1 EP 2160515A1 EP 08757275 A EP08757275 A EP 08757275A EP 08757275 A EP08757275 A EP 08757275A EP 2160515 A1 EP2160515 A1 EP 2160515A1
Authority
EP
European Patent Office
Prior art keywords
clamping
clamping device
sleeve
recess
clamping element
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.)
Withdrawn
Application number
EP08757275A
Other languages
German (de)
English (en)
Inventor
Klaus Lenhart
Eberhard Heim
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 EP2160515A1 publication Critical patent/EP2160515A1/fr
Withdrawn legal-status Critical Current

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10—Telescoping systems
    • F16B7/14—Telescoping systems locking in intermediate non-discrete positions
    • F16B7/1454—Telescoping systems locking in intermediate non-discrete positions with a clamp locking the telescoping members by swinging a handle provided with a locking cam
    • 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

Definitions

  • the present invention relates to a length-adjustable floor, in particular for use as a walking stick, trekking pole, Nordic walking pole, cross-country ski pole or ski pole, and a clamping device for determining the relative position of pipe sections of such a stick.
  • PRIOR ART Mechanisms have been developed for variably configuring a walking pole, trekking pole, Nordic walking pole, cross-country pole or ski pole in their length, which allow two pipe sections forming the floor to be differently adjusted in their axial position as required.
  • two pipe sections are generally used, which have a different diameter, so that the one pipe can be inserted into the other for adjustment.
  • DE 69401765 describes a device in which a sleeve and a clamping lever is arranged around a slotted tube, and in which the clamping lever with a arranged on the sleeve
  • Outer tube on, the outer tube has a slot, and the clamping device presses in other words, the outer tube to the inner tube.
  • EP 1217224 Another device, which is arranged outside, is known from EP 1217224.
  • a clamping lever is also arranged, which here but in a tilting movement about an axis perpendicular to the floor axis can be folded, and which is somewhat forked.
  • the invention is therefore in particular the object of proposing an improved clamping device in particular for a floor (walking stick, trekking pole, Nordic walking pole, cross-country ski pole or ski pole), which is a clamping device, which is arranged on the outside. It is therefore about the improvement of a clamping device for a walking stick, trekking pole, Nordic walking pole, cross country pole or ski pole, as well as possibly for other telescopic objects from other fields of technology such as tripods, lamp stands, garden tools, tools, etc. for releasable axial fixing an insertable into an opening of the clamping device pipe section, wherein the clamping device comprises a sleeve, which surrounds the pipe section at least in an axial section and clamps in the closed state.
  • the sleeve has at least in the region encompassing the pipe section an axial, the circumference of the sleeve in this area variable-making slot and formed in the remaining axial region is substantially encircling.
  • an outer tube is supported in this peripheral area in such a manner that the slotted area is located outside the outer tube, or the peripheral area may also be formed on or attached to a pole grip.
  • the object is preferably achieved in that on the cuff on both sides of this slot in each case a clamping projection is arranged, which is encompassed by a recess having a clamping element, and upon displacement or rotation of the clamping element to respectively
  • the clamping projections are preferably arranged directly adjacent to the slot.
  • a further embodiment is characterized in that the clamping element has an eccentric recess, particularly preferably in the form of a substantially elliptical oblong hole, for receiving the clamping projections.
  • the clamping projections in turn are in their engaged area in the open state not circularly cylindrical but spaced from each other, so that when the clamping member for fixing the clamping device is rotated about an axis substantially perpendicular to the pole axis, preferably at an angle in the range of 30-180 °, particularly preferably at an angle of 90 °, the Cuff is pressed in the slotted area against the inner tube.
  • the clamping element may have a preferably one-sided, or even two-sided (analogous to a wing nut), the clamping element extending away from the recess extension, wherein the long main axis of the recess extends substantially in the direction of the extension.
  • This extension can be made in the sense of a lever arm for fixing the clamping device.
  • the clamping element may have an extension, wherein the extension in the open state of the clamping device projects substantially perpendicular to the pole axis and tangential to the sleeve, and wherein the extension is arranged in the closed state of the clamping device substantially parallel to the pole axis and substantially adjacent to the sleeve is.
  • the sleeve usually has a substantially cylindrical or polygonal outer surface (optionally additionally ribbed or the like). At least the extension of the clamping element can then have on the inside facing the sleeve a concave, adapted to the outer surface of the sleeve in the closed state of the clamping device recess.
  • the clamping element locked to some extent when moving into the position parallel to the pole axis by snapping onto the surface of the sleeve.
  • the clamping element on the inner side facing the sleeve in the region of the recess has a concave, adapted to the outer surface of the sleeve in the open state of the clamping device recess. This embodiment also leads to a self-locking effect here now in the open position.
  • Such a clamping device may generally also have a clamping element which has two arms, which are aligned on two sides of the sleeve. Accordingly, such a clamping device may have a clamping element, which is a preferably one-sided, the clamping element away from the recess extending extension, wherein the long major axis of the recess extends substantially in the direction of the extension.
  • the extension now also has at the side facing away from the recess, in particular at the free end of the extension, via a bridge (that is, an element connecting the two arms normally perpendicular to the arms), with which they are connected to a second arm or with this is even integrally formed.
  • This second arm in turn has a recess into which engages a substantially coaxial with the clamping projections on the cuff stub axle, that is, this two-armed lever is on the one side of the stick and the sleeve at the two clamping projections in angled and on the opposite Side on the mentioned stub axle.
  • the clamping element in the closed state does not protrude far beyond the outer contour of the entire sleeve, it proves to be advantageous if the bridging over one of the rounding or outer contour of the stick (in the case that the clamping element in the closed state axially over the sleeve protrudes) and / or the sleeve (in the event that the clamping element is shorter than the underlying height of the sleeve) has adapted inside, which is arranged in the closed state of the clamping device to the stick or to the cuff fitting.
  • the two sides of the lever or this adapted inside can now, as they embrace the stick or the cuff, also used to engage in the closed position.
  • this inner side respectively the two arms of the lever on the side facing away from the axes at the free ends of the stick respectively the cuff is designed embracing such that the clamping element in the closed state by this encompassing substantially snaps in self-latching respectively can not be lifted from the closed position without increased effort.
  • the stub axle is formed as a simple pivot point and the recess in the second arm is formed substantially as a circular recess.
  • the clamping element is with the two Arms on this second stub axle, so to speak, better fixed in its rotation and can only be rotated in a range of less than 180 ° (no overtightening possible).
  • the two slots, the two-sided clamping projections and also preferably the clamping element (with its two arms and the bridging) with respect to a mirror plane which is perpendicular to the axis of the clamping projections and the axis of the Stockes is arranged including, are formed substantially mirror-symmetrical.
  • the entire sleeve is mirror-symmetrical in this sense.
  • the clamping element can either be, as described above, be folded by a rotation about an axis perpendicular to the axis of the pole. Alternatively it is possible set the clamping element in a sliding movement substantially parallel to the direction of the pole axis.
  • a further other embodiment of the present invention is accordingly characterized in that the clamping element has a recess tapering along a longitudinal direction of the clamping element, and in that the clamping device is displaced by a displacement of the clamping element, in particular in a direction parallel to the axis of the pole along the longitudinal direction of the recess. is determined.
  • the clamping projections it is possible for the clamping projections to have an inclination adapted to the present shape of the recess in the region in which the clamping element bears on displacement.
  • the recess is a substantially V-shaped recess, and accordingly the outside of the clamping projections is likewise designed to be V-shaped at substantially the same angle.
  • Clamping element can be set in the open and / or closed position. It may be a safety lever, which is addressed via an axis on the clamping element, and which can be pivoted in the closed position in the exposed area of the recess. As a result, the exposed area of the recess is blocked and the clamping element can not be moved.
  • Yet another third embodiment of the invention is characterized in that at one of the two clamping projections a clamping lever is angeeachst a substantially parallel to the axis of the pole axis, wherein in this clamping lever, the clamping element is offset from the axis to the outside, and that the clamping lever fixing the clamping device can be brought into a position in which the axis comes to lie radially outside the clamping element.
  • the cuff can at least partially be made of plastic and / or the clamping element consists of plastic or is designed in the form of a preferably circumferential metal strap. Also multi-component designs are possible, and it is for example possible to provide on the inside of the sleeve in the slotted area additionally a coating which increases the frictional engagement.
  • Fig. 1 different views of a clamping device according to a first embodiment in the open position, wherein in a) a view from the front, in b) a view from a first side, in c) a view from the other side, in d) a view from behind, in e) a view from above, in f) a
  • FIG. 2 different views of a clamping device according to the first embodiment in the closed position, wherein in a) a view from the front, in b) a view from a first side, in c) a view from the other side, in d) a view from behind, in e) a view from above, in f) a view from below, in g) a section along the line DD in Figure 2 a), in h) a section along the line EE in Figure 2 c), and in i) Section corresponding to the line FF in Figure 2a) is shown;
  • FIG. 4 different views of a clamping device according to a second embodiment in the closed position, wherein in a) a view from the front, in b) a view from a first side, in c) a view from the other side, in d) a view from behind, in e) a view from above, in f) a view from below, in g) a section along the line CC in Figure 4 a), in h) a perspective view, and in i) a section along the line DD in Figure 4a) is shown;
  • FIG. 7 shows different views of a clamping device according to the fourth embodiment in the closed position, wherein in a) a view from the front, in b) a view from a first side, in c) a view from the other side, in d) a view from the rear, in e) a view from above, in f) a view from below, in g) a section along the line DD in Figure 7 a), in h) a section corresponding to the line EE in Figure 7 c), and in i) a section along the line FF in Figure 7a) is shown; and FIG.
  • FIGS. 1 and 2 show a first exemplary embodiment, the clamping device being shown in the open state in FIG. 1 and in the closed state in FIG. 2. Under open is to be understood in each case that the
  • Clamping device is in a state in which the internally guided pipe 4 with respect to the sleeve 2 can be moved substantially axially freely. Under closed is to be understood that this tube 4 is fixed relative to the sleeve substantially in the axial direction.
  • the clamping device 1 comprises a sleeve 2, in which an outer tube 7 is fixed.
  • the outer tube is inserted into the cuff 2 to a paragraph 13 or stop, and can be attached to the cuff either by pure adhesion or even using an adhesive or the like be.
  • an inner tube 4 is inserted in principle movable and displaceable.
  • the clamping device 1 serves for the axial fixing of the relative position of the two tubes 4 and 7.
  • the clamping device 1 in the region projecting beyond the outer tube has a region in which an axial slot 5 is provided.
  • the axial slot 5 can, as shown in Figure Ia), also still something in the area protrude, in which the outer tube 7 is mounted.
  • the slot is open on the side facing the inner tube 4, that is, there is an open end 9 of this slot 5.
  • a clamping projection 8 is now arranged in each case.
  • the two clamping projections are substantially directly adjacent to the slot 5 and face each other.
  • the long main axis of the recess 12 is arranged parallel to this longitudinal direction.
  • the recess 12 surrounds the two clamping projections 8.
  • the clamping element 3 has in the region of the projection 10 on its side facing the sleeve 2 on a concave configuration, as shown by the reference numeral 11 in particular in Figure Ib).
  • this concave formation 11 is continued only in the central region, as can be seen in FIG. 1 c).
  • the clamping element 3 In the area of the recess 12, the clamping element 3 but now has a to concave configuration 11 to some extent vertically arranged concave inner contour 16, which, for example, in Figure If) and Figure 2b) and c) can be seen.
  • the two concave configurations 11 and 16 ensure that the clamping element 3 is fixed in the open position (FIG. 1) by a flush-fitting connection of the contour 16 to the cylindrical outer surface of the sleeve 2, and in the closed position (FIG on the outside of the sleeve 2 fitting inner contour 11th
  • a second embodiment of the present invention is shown in the two Figures 3 (open state) and 4 (closed state) in different views.
  • the clamping element 3 has a likewise elongated
  • Recess 12 in its lower portion shown in Figure 3 a) over a large width perpendicular to the floor axis 6 and in the upper area over a smaller width.
  • the two lateral flanks of this recess 12 are linear.
  • clamping projections 8a and 8b are formed. These have namely on the outside over one of these inclination of the recess corresponding downwardly open V-shape.
  • the clamping element 3 is with a comb 21 (see Figure 3i) and Figure 4i)) behind an undercut, respectively. guided in a lateral groove of the respective clamping projection 8a / 8b and caught apart from the Axialverschiebrete.
  • the clamping device according to this second embodiment has a securing device 18. This is in the form of a safety lever which is movably mounted on the clamping element 3 via an axis 19 is formed.
  • the clamping element 3 In the open position shown in Figure 3, the clamping element 3 is displaced a maximum with respect to the sleeve 2, that is arranged above. Here lies the Recess 12 with its maximum width at the two clamping projections 8a / 8b, and the upper part of the sleeve is relaxed and thus the slot 5 open. In this position, the inner tube is substantially free in the sleeve 2 resp. be moved in the outer tube 7.
  • the safety lever 18 is folded outwards.
  • the safety lever 18 must first be folded outwards about the axis 19, for example by 90 °, so that the lower region of the recess is exposed, and then the clamping element 3 be pushed back up into the position shown in Figure 3 a).
  • FIG. 5 A third embodiment is shown in FIG. Based on this embodiment of Figure 5 is to be explained in addition that the clamping device can be used either in connection with a telescopic stick as shown in Figures 1 to 4, use, or in direct combination with a stick handle 22. So you can For example, be used to attach a pole grip on a pole tube 4 or set the pole handle in different positions with respect to the tube 4.
  • the pole grip can have, for example, an opening for the tube 4 on the upper side, so that the handle 22 can travel on the tube 4. This is when touring on steep flanks, for example, very convenient.
  • the embodiment according to FIG. 5 likewise has a slotted sleeve 2, and here too the slot 5 extends parallel to the longitudinal axis of the pole.
  • the clamping element 3 is now in the form of a metallic bracket, which is trapped on one side in a groove 25 of a first clamping projection 8. Instead of a groove of the clamp can be completely caught there in a hole.
  • a clamping lever 23 is now rotatably arranged about an axis 24 in this embodiment.
  • the clamping element 3 is rotatably mounted in an opening (Durchgangsöffhung or blind hole on both sides).
  • the lever 23 In the open position shown in Figure 5a), the lever 23 is folded away from the pipe and according to the slot 5 is substantially open. In this position, the tube 4 can be moved within the stick handle 22 or removed therefrom.
  • this two-armed clamping lever now from an open position, as shown in particular in Figure 6a), by a pivoting clockwise about 90 ° in the closed position as shown in particular in Figure 7a), are pivoted, in which case, quite analogous to Mechanism according to Figures 1 and 2, takes place through the slot 12 a clamping of the sleeve.
  • the advantage of this two-armed embodiment is that here the clamping lever 3 can not be rotated 360 °, but rather can be pivoted essentially only from the open position shown in FIG. 6a) to the closed position shown in FIG. 7a).
  • the bridging on the inner side facing the cuff 2 in the closed state has an inner curve 30 adapted to the shape of the rod 7, which, as shown in FIG 7 can be detected, hugs the outer surface of the stick 7 in the closed state.
  • both the extension 10 and the second arm 27 have a longitudinal projection 33, which is formed for additional stabilization on the inside and the side facing away from the floor in the closed state.
  • the rounded inner side 30 has a peripheral profile which encompasses the pole over more than 180 ° (eg 200 ° -240 °), as shown in FIG. 7f). As a result, this inside 30 snaps around the outer surface of the stick for reaching the closed position and leads to the said automatic latching in the closed state.
  • this effect can be reinforced or alternatively made available by the clamping projections 8a resp. 8b via lateral, substantially parallel to the axis of the pole 6 extending flats having, which come to lie substantially parallel to corresponding flattening in the recess 12 in the closed state.
  • the clamping projections 8a resp. 8b via lateral, substantially parallel to the axis of the pole 6 extending flats having, which come to lie substantially parallel to corresponding flattening in the recess 12 in the closed state.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

L'invention concerne un dispositif de serrage (1) pour un bâton de randonnée, un bâton de trekking, de marche nordique, de ski de fond ou de ski alpin, pour la fixation axiale desserrable d'une section tubulaire (4) pouvant être enfoncée dans une ouverture du dispositif de serrage. Le dispositif de serrage comprend en l'occurrence un manchon (2) qui vient enserrer la section tubulaire (4) au moins dans un segment axial et qui le maintient à l'état fermé. La construction proposée est caractérisée en ce que le manchon (2) présente au moins dans la zone entourant la section tubulaire (4), une fente axiale (5) qui permet de faire varier dans cette zone la circonférence du manchon, et est réalisée sensiblement sous forme circonférentielle continue dans la zone axiale restante. En outre, elle est caractérisée en ce qu'une partie saillante de serrage (8a, 8b) est disposée sur le manchon (2) de part et d'autre de cette fente (5) et est enserrée par un élément de serrage (3) avec un évidement (12). De plus, elle est caractérisée en ce que lors du coulissement ou de la rotation de l'élément de serrage (3) sur ou autour des parties saillantes de serrage (8a, 8b), le dispositif de serrage (1) fixe la section tubulaire (4) pour l'empêcher de coulisser axialement et/ou pour l'empêcher de tourner autour de l'axe longitudinal par rapport au dispositif de serrage (1).
EP08757275A 2007-07-03 2008-06-24 Bâton réglable en longueur et dispositif de serrage approprié Withdrawn EP2160515A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH10722007 2007-07-03
CH11862007 2007-07-25
PCT/CH2008/000282 WO2009003297A1 (fr) 2007-07-03 2008-06-24 Bâton réglable en longueur et dispositif de serrage approprié

Publications (1)

Publication Number Publication Date
EP2160515A1 true EP2160515A1 (fr) 2010-03-10

Family

ID=39651326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08757275A Withdrawn EP2160515A1 (fr) 2007-07-03 2008-06-24 Bâton réglable en longueur et dispositif de serrage approprié

Country Status (2)

Country Link
EP (1) EP2160515A1 (fr)
WO (1) WO2009003297A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101881881B1 (ko) 2016-08-17 2018-08-24 주식회사 태진정밀 스틱 길이조절장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7806813A (nl) * 1978-06-23 1979-12-28 Drentsch Overijselsche Houthan Stellat en metalen klemorgaan, geschikt voor toepassing bij de stellat.
SE465632B (sv) * 1989-11-14 1991-10-07 Odd Michaelsen Laasanordning foeretraedesvis vid teleskopartat foerskjutbara staenger
IT1283677B1 (it) * 1996-08-02 1998-04-23 Lorenzo Pronzati Bastone da sci a lunghezza regolabile e relativo dispositivo di bloccaggio
DE29813513U1 (de) * 1997-08-12 1998-10-22 Lenhart, Klaus, 73275 Ohmden Längenverstellbares Rohr für Ski-, Trekking- oder Wanderstöcke
US20040226593A1 (en) * 2002-11-12 2004-11-18 Mathieu Robitaille Walking cane
KR200396678Y1 (fr) * 2005-06-16 2005-09-27 남재웅 Baton telescopique pour applications sportives
FI119888B (fi) * 2006-05-02 2009-04-30 Exel Oyj Holkkiliitos pituudeltaan teleskooppimaisesti säädettävän varren ulkoputken ja sisäputken välillä

Non-Patent Citations (1)

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Title
See references of WO2009003297A1 *

Also Published As

Publication number Publication date
WO2009003297A1 (fr) 2009-01-08

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