WO2013041093A1 - Cadre de bicyclette - Google Patents

Cadre de bicyclette Download PDF

Info

Publication number
WO2013041093A1
WO2013041093A1 PCT/DE2012/100297 DE2012100297W WO2013041093A1 WO 2013041093 A1 WO2013041093 A1 WO 2013041093A1 DE 2012100297 W DE2012100297 W DE 2012100297W WO 2013041093 A1 WO2013041093 A1 WO 2013041093A1
Authority
WO
WIPO (PCT)
Prior art keywords
supporting frame
frame part
rear wheel
bottom bracket
frame
Prior art date
Application number
PCT/DE2012/100297
Other languages
German (de)
English (en)
Inventor
Karsten BETTIN
Original Assignee
Bettin Karsten
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 Bettin Karsten filed Critical Bettin Karsten
Publication of WO2013041093A1 publication Critical patent/WO2013041093A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K3/00—Bicycles
    • B62K3/02—Frames
    • B62K3/10—Frames of single-beam type, i.e. connecting steering head to rear axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00—Collapsible or foldable cycles
    • B62K15/006—Collapsible or foldable cycles the frame being foldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/02—Cycle frames characterised by material or cross-section of frame members
    • B62K19/04—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity
    • B62K19/10—Combinations of tube and sheet

Definitions

  • the invention relates to a frame, either for bicycles or for trailer bicycles specified in the preamble of claim 1 genus.
  • EP 0 583 221 A1 discloses a bicycle frame comprising a head tube, a seat tube and a frame tube, wherein the frame tube is a frame tube pair and at least one of said components is made of an extruded profile.
  • the bicycle frame is suitable for bicycles, which is a traction mechanism as
  • the bicycle frame can be made foldable for the construction of folding wheels by design only with great effort.
  • the frame width on bottom bracket height is by design so large that the chain line and the sprocket of a drive system would cut the bicycle frame, if they were seen from the ground at the same height with the bicycle frame, the sprocket by means of a separate dropouts (eg of the here provided extruded profile for receiving the seat tube) are arranged so far below the frame tube pair that it does not cut the bicycle frame, and the upper chain strand must still be performed below the bicycle frame through the output sprocket without cutting the bicycle frame.
  • a separate dropouts eg of the here provided extruded profile for receiving the seat tube
  • connection of the seat tube to which the bottom bracket is attached to the frame tube pair is by design only in grooves, so that the seat tube must be connected on both sides with two frame tubes to achieve the required strength, creating a one-sided suspension of the seat tube with the Bottom bracket housing is not possible.
  • a bicycle is known with a bicycle frame made of a hollow profile with three chambers, wherein the outer chambers accommodate the two dropouts of the rear wheel.
  • This bicycle frame has the disadvantage that due to the design separate dropout for receiving the rear wheel are required and that the
  • WO 2011/033 505 AI is a bicycle frame with two opposite
  • This bicycle frame has the disadvantages that it consists of at least two frame side parts, that the output sprocket of the chain transmission between the frame and the rear wheel is arranged and that the rear wheel is connected to both sides of the bicycle frame.
  • the frame side parts in the region of the rear wheel are not parallel to the reference center plane of the bicycle, which two separate frame parts are required as Schuradstreben or the frame must be bent in the region of the rear wheel outwards, whereby the use of
  • extruded hollow sections is problematic.
  • the frame side parts although parallel to the reference center plane of the bike, but that the design required different width of the frame at the height of the bottom bracket or at the level of the rear wheel must be achieved in that the outer chambers of the extruded Hohlpro fils in the Area of the bottom bracket are removed, while the inner chambers of the extruded hollow profile in the area of the rear wheel are removed, whereby the frame is destabilized.
  • the disadvantage is, moreover, that in order to increase the frame stability then open to the bottom bracket, outer chamber with separate parts, such as sheets, must be closed again.
  • Bottom bracket housing is very close to the bottom bracket shell, so this connection must be made very stable due to the bending moment loads occurring there.
  • Bicycles and bicycle frames which provide a lying outside the bicycle frame drive sprocket and a lying between the bicycle frame and rear driven sprocket, have the disadvantage that the two rear struts of the bicycle frame seen from the bottom bracket must extend outward and thus can not run parallel. The resulting manufacturing effort is correspondingly high.
  • these bicycle frame have the disadvantage that the distance between the bottom bracket and rear axle must be at least so large that enough space remains to run the rear strut between the drive sprocket and the driven sprocket axially from the inside out.
  • Frame parts run outside of the reference plane of the bicycle, have the disadvantages that two are arranged respectively on one side of the reference center plane of the bicycle frame parts and that the frame parts with each other or with others
  • a frame in Einzelannibauart which has a frame tube between the Steuerkopfrohr and the seat tube, which extends at an acute angle to the reference center plane.
  • the disadvantage of this is that the frame part could not run from the rear wheel to the steering head tube due to this acute angle.
  • a disadvantage of this is further that the frame part extends so far above the bottom bracket shell, that additional frame tubes and separate to both sides of the rear wheel extending rear struts are required to connect the frame part with the rear wheel and the bottom bracket.
  • a bicycle frame which includes a running outside of and parallel to the reference center plane of the bicycle frame part, which extends from the rear suspension to the bottom bracket.
  • the disadvantage is that the frame part ends by design impact on the bottom bracket shell and thus on its front side with the bottom bracket shell cohesively, eg. By welding, must be connected. If this frame part were made of an extruded profile, it could also have only a small width in order to achieve usual chain line spacing. Due to the low strength of the connection between the frame part and bottom bracket shell resulting from the connection of the frame part with the bottom bracket shell and the possible small width of the frame part and due to the low
  • the invention has for its object to develop a cheaply produced from at least one extruded frame part, otherwise made of few parts frame without the disadvantages described above, which is particularly suitable for bicycles with wheels of size 16 inches and smaller or for trailer bicycles, the only connected on one side with the rear wheel and having the required strength between the rear triangle and the bottom bracket shell.
  • Bicycle frame are arranged and also belt drives and gear transmission as
  • the hollow profile has transverse walls, on which acting on the frame
  • the bicycle frame can be made foldable.
  • the bicycle frame is suitable for the use of commercially available bottom bracket and side-gear rim brakes.
  • other frame components are connected to the supporting frame part, without weakening the supporting frame part in terms of strength.
  • Fig. 1 shows a view of a first preferred embodiment of the bicycle frame with a supporting frame made of an extruded hollow section.
  • Fig. 2 shows a view of the bicycle frame of Fig. 1 with the arrangement of others
  • Fig. 3 shows a view of the bicycle frame of Fig. 2 from behind.
  • Fig. 4 shows a view of the bicycle frame of Fig. 2 from behind.
  • FIG. 5 shows the hollow profile of the load-bearing frame part of the bicycle frame from FIG. 1.
  • Fig. 6 shows a view of the hollow profile with the connected to the supporting frame part
  • Fig. 7 shows the extruded profile of the steering head tube.
  • Fig. 8 shows the extruded profile of the seat tube.
  • Fig. 9 shows the extruded profile of the support element for connecting the side-gear rim brake with the supporting frame part.
  • Fig. 10 shows a side view of the steering head tube with two arms.
  • Fig. 11 shows the extruded profile of the bottom bracket shell.
  • Fig. 12 shows a side view of the bottom bracket shell of Fig. 11 with two arms.
  • 13 shows a second preferred embodiment of the bicycle frame with a bottom bracket arranged below the supporting frame part.
  • Fig. 14 shows the connecting element, which is fixedly connected to the bottom bracket shell, together with the supporting frame part.
  • Fig. 15 shows an extruded profile, the seat tube, which provided for attaching the side-pull rim brake support member and a guide tube for guiding the
  • Chain tensioning wheel contains.
  • Fig. 16 shows a side view of the extruded profile of Fig. 15 with two arms.
  • Figures 17 and 18 show a third preferred embodiment of the bicycle frame with rounded top and bottom sides and frame members which completely enclose the supporting frame member.
  • Fig. 19 shows a fourth preferred embodiment of the bicycle frame with two supporting frame parts and a hinged joint.
  • FIG. 1 shows a view of a first preferred embodiment of the bicycle frame with a supporting frame part 1 made of an extruded hollow profile. The following components of the bicycle frame are connected to the supporting frame part 1:
  • Fig. 2 shows a view of the bicycle frame, which is connected to the following other bicycle components: - connected to the bottom bracket 2 bottom bracket 6, to which in turn a drive sprocket 7 of a chain transmission and two cranks 8 and 9 are mounted.
  • a rear wheel drive 10 comprising a driven wheel, in this embodiment an output sprocket 11 of the chain transmission, and a rear wheel shaft 12, to which in turn a rear wheel 13 is connected.
  • the supporting frame part 1 For attachment of the rear wheel drive 10 with the supporting frame part 1, the supporting frame part 1 has a recess la.
  • a side-pull rim brake 14 which is connected to the support element 5 provided for the brake.
  • a nut 15 braces the side-pull rim brake 14 with the support element 5.
  • a chain tensioning roller 16 which guides the slack side of the chain 17 so far above the side-pull rim brake 14 that the brake levers of the side-pull rim brake 14 do not touch the chain 17.
  • the chain tensioner roller 16 can be adjusted by an adjusting screw 18 in height, whereby the required tension of the slack side of the chain can be adjusted.
  • a steerer 19 which is mounted to the head tube 3 via a headset 20 and which is extended to the front fork 21, to which a front wheel 22 is attached.
  • Fig. 3 shows a view of the bicycle frame of FIG. 2 from behind with the with
  • Fig. 4 shows a view of the bicycle frame of Fig. 2 from above with those associated with the bicycle frame
  • the supporting frame part 1 of the bicycle frame runs outside the reference center plane B of the bicycle. Likewise, the supporting frame part 1 is parallel to the reference center plane B of the bicycle. Finally, according to another particular feature of the invention, the rear wheel 13 facing side of the supporting frame part 1 a standard distance to the rear wheel 13 a.
  • the advantage of this embodiment is that the supporting frame part 1 at least between the rear wheel 13 and the bottom bracket 6, but also between the rear wheel 13 and the Control head tube 3 can be made in one piece, which strength weaknesses performing connections between bearing frame parts are avoided.
  • FIG. 5 shows the hollow profile of the supporting frame part 1 of the bicycle frame from FIG. 1.
  • FIG. 6 shows a view of the hollow profile with the rear wheel drive 10 connected to the supporting frame part 1.
  • the supporting frame part 1 between the driven sprocket 11 of the rear wheel 10 and the seat 12a of the rear wheel 13 on the rear wheel shaft 12 of the rear wheel drive 10 is arranged.
  • the particular advantage is that a particularly easy to be produced from an extruded hollow section frame part 1 is used, which only needs to be cut to length suitable.
  • the rear wheel drive 10 is directly connected to the supporting frame part 1 of the bicycle frame.
  • the hollow profile of the supporting frame part 1 within the Hohlpro fils lying walls lb to lg on the one side lh to the other side of the Hohlpro fils and thus parallel to the top lj or to the bottom lk of the supporting frame part 1 run.
  • These transverse walls serve to support the transverse forces acting on the supporting frame part, in particular also the mounting forces of the fastening screws 23 which connect the rear wheel drive 10 with the supporting frame part 1.
  • 7 to 10 show possible usable extruded profiles from which the following components belonging to the bicycle frame and connected to the supporting frame part 1 can be produced:
  • FIG. 7 shows the extruded profile of the steering head tube 3.
  • Fig. 8 shows the extruded profile of the seat tube 4.
  • Fig. 9 shows the extruded profile of the support member 5 for connecting the side-pull rim brake 14 with the supporting frame part.
  • Fig. 10 shows a side view of the steering head tube 3 with its two arms 3a and 3b.
  • the components of the bicycle frame or of the bicycle illustrated in FIGS. 1 to 10, here the steering head tube 3, the seat tube 4 and the support element 5, are laterally connected to the supporting frame part via two arms 3 a, 3 b or 4a, 4b and 5 a, 5b with the top lj and the Bottom lk of the supporting frame part 1 connected. Since the extrusion direction of these profiles is different from the extrusion direction of the hollow profile of the supporting frame part 1, the recesses required for the preparation of the arms are created according to a particular feature of the invention by simple machining of the profiles parallel to the extrusion direction of the supporting frame part 1 from the respective profile tube.
  • Extrusion of the supporting frame part 1 can be adapted to the requirements of the bicycle by the recess in the extruded profiles of the
  • Frame part 1 would be connected. e. that the frame components steering head tube 3, bottom bracket shell 2, seat tube 4 and
  • Support element 5 can be connected depending on the desired frame geometry at any arbitrary point with the supporting frame part and the length of the supporting frame part can be easily adapted to the desired frame geometry.
  • Fig. 11 shows the extruded profile of the bottom bracket shell 2.
  • Fig. 12 shows that
  • Bottom bracket housing 2 in the side view with the likewise produced by simple machining from the extruded profile arms 2a and 2b.
  • Extrusion of the bottom bracket 2 is in this embodiment orthogonal to the extrusion direction of the supporting frame part 1 and orthogonal to the extrusion direction of the frame components 3, 4 and 5.
  • the hollow profile for the bottom bracket 2 also has two arms 2a and 2b, which carrying frame part 1 on the top and underside embrace.
  • Frame part 1 extending recess for the supporting frame part 1 are provided, whereby the arms 2a and 2b can grip around the supporting frame part 1.
  • FIG. 13 shows a second preferred embodiment of the bicycle frame with a bottom bracket arranged below the supporting frame part, in which case the bottom bracket shell 2 is not connected directly to the supporting frame part 25, but directly by means of an additional connecting element 24 made of an extruded hollow profile.
  • Connecting element 24 has the same in this embodiment
  • Bottom of the supporting frame part 25 is located.
  • embodiments are also conceivable and encompassed by the invention, in which the axis of the bottom bracket 6 is arranged laterally above the top of the supporting frame part 25.
  • Fig. 14 shows the connecting element 24, which is fixedly connected to the bottom bracket shell 2, together with the supporting frame part 25th
  • FIGS. 15 to 16 show, in a further preferred embodiment, that the individual frame components connected to the supporting frame part 26 in the manner described above can also be combined in a single extruded profile according to a particular feature of the invention.
  • Fig. 15 shows an extruded profile 26, that the seat tube 26 a, which provided for attaching the side-pull rim brake support member 26 b and that for the leadership of the
  • Chain tensioner roller required guide tube 26c contains. These components are connected to each other via the wall 26d.
  • FIGS. 17 and 18 show a third preferred embodiment of the bicycle frame, wherein here a supporting frame part 27 is in turn connected to a frame element, in FIG. 17 and FIG. 18 to a control head tube 28.
  • the control head tube 28 completely encloses the supporting frame part 27 via the walls 28a, 28b and 28c.
  • the supporting frame part 27 is rounded off according to a special feature of the invention on its upper side 27a and on its lower side 27b. This makes it possible, the required for the supporting frame member 27 recess in
  • control head tube 28 By simple machining.
  • Fig. 19 shows a third preferred embodiment of the bicycle frame with two supporting frame members 29 and 30 and a hinged joint 31, whereby the bicycle frame is made foldable according to a particular feature of the invention.
  • the folding joint 31 has, according to a particular feature of the invention, arms which are inserted into the frame parts 29 and 30. It is also possible and encompassed by the invention that the two hinges are designed so that they are instead connected to the supporting frame part on the top and on the underside of the respective supporting frame part 29 or 30. Likewise, many other elements with the same principles shown here can be connected to the supporting frame part. These embodiments are also encompassed by the invention.
  • the frame can also run for a trailer bike with a rear wheel.
  • the hollow profile of the supporting frame part could also with a

Abstract

La présente invention concerne un cadre, sélectivement pour une bicyclette ou pour une bicyclette tractée, comprenant un boîtier de pédalier (2), un tube de direction (3) et une partie de cadre (1) porteuse fabriquée à d'un profilé creux extrudé et s'étendant à l'extérieur du plan médian de référence de la bicyclette, ladite partie de cadre (1) présentant une direction de support parallèle à la direction d'extrusion, pour permettre une liaison avec un entraînement de roue arrière (10) comportant une roue de sortie (11) d'une transmission montée en amont et avec un arbre de roue arrière (12) entraînant la roue arrière (13). La partie de cadre porteuse est située, en vue axiale, sur l'arbre de roue arrière, entre la roue de sortie et le siège (12a) de la roue arrière. La présente invention est caractérisée en ce que le cadre est conçu de manière à former un support unique, en ce que le boîtier de pédalier est fixé directement ou indirectement sur le cadre uniquement par l'intermédiaire de la partie de cadre porteuse, et en ce que l'extrémité avant de la partie de cadre porteuse est fixée sur le tube de direction ou sur une articulation de pliage située entre le tube de direction et le boîtier de pédalier. Le cadre peut être produit de manière peu coûteuse, et avec ce cadre, on peut obtenir des longueurs de parties arrière réduites ainsi que des entraînements par courroie et par engrenage courts.
PCT/DE2012/100297 2011-09-23 2012-09-22 Cadre de bicyclette WO2013041093A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011053875.5 2011-09-23
DE201110053875 DE102011053875B3 (de) 2011-09-23 2011-09-23 Rahmen, wahlweise für Fahrräder oder für Anhängefahrräder

Publications (1)

Publication Number Publication Date
WO2013041093A1 true WO2013041093A1 (fr) 2013-03-28

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ID=47075991

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2012/100297 WO2013041093A1 (fr) 2011-09-23 2012-09-22 Cadre de bicyclette

Country Status (2)

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DE (1) DE102011053875B3 (fr)
WO (1) WO2013041093A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011122836B4 (de) 2011-10-17 2013-07-25 Karsten Bettin Kompaktes, zusammenklappbares Fahrrad

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Publication number Priority date Publication date Assignee Title
US2080972A (en) 1932-08-24 1937-05-18 Seehase Hans Quickly demountable light motorcycle
CH227487A (de) 1942-08-25 1943-06-15 Kleiner Ernst Fahrradgestell.
US2497121A (en) * 1944-06-19 1950-02-14 Wendell S Fletcher Bicycle construction
DE955201C (de) 1952-04-10 1956-12-27 Nsu Werke Ag Rahmen aus gepressten Blechteilen fuer Fahrraeder, Motorfahrraeder, Kleinkraftraeder u. dgl.
GB804549A (en) 1955-11-23 1958-11-19 J A Phillips & Company Ltd Improvements in frames for motor cycles and motorised bicycles
DE6803090U (de) * 1968-10-18 1969-03-13 Leopold Ruess Rahmen fuer in laengsrichtung zusammenschiebbare fahrraeder
US3834734A (en) 1973-02-13 1974-09-10 Raymond Lee Organization Inc Bicycle
US3979136A (en) 1974-06-03 1976-09-07 A. Lassiere Ltd. Foldable bicycle
US4440414A (en) 1979-12-17 1984-04-03 Wang Fu Chow Foldable bicycle
JPS59166334A (ja) 1983-03-14 1984-09-19 Teruaki Yoshida 自動二輪車用車体フレ−ムの製造方法
EP0284535A1 (fr) * 1987-02-23 1988-09-28 Michel Laiti Bicyclette dont les roues sont fixées en porte à faux sur le cadre
FR2665678A1 (fr) 1990-08-13 1992-02-14 Savard Franck Cadre de velo a poutre centrale cloisonnee en alliage leger extrudee.
US5186482A (en) 1991-03-28 1993-02-16 Richard Sapper Bicycle with folding frame
US5324059A (en) * 1992-03-25 1994-06-28 Bryne Richard M Aerodynamic bicycle
EP0583221A1 (fr) 1992-08-13 1994-02-16 Alusuisse-Lonza Services Ag Cadre de bicyclette
DE9300557U1 (fr) * 1993-01-18 1993-05-13 Popp, Hermann, Dipl.-Ing. (Fh), 8720 Schweinfurt, De
EP0612629A2 (fr) * 1993-02-23 1994-08-31 Antonio Guerra Navas Moyeu pour roues de bicyclette
DE4320652A1 (de) 1993-06-22 1994-05-05 Tom Waldemar Fahrradgestell
JPH07165149A (ja) * 1993-12-17 1995-06-27 Bridgestone Cycle Co 自転車用ハブ装置
US5509678A (en) 1994-01-28 1996-04-23 Ullman; David G. Recumbent bicycle
US5620196A (en) 1994-07-18 1997-04-15 Belik; Jaroslav Recumbent bicycle frame
DE19547988A1 (de) 1994-12-22 1996-10-02 Alfred Dipl Ing Ebbinghaus Rahmen für einspurige Fahrzeuge, insbesondere Zweiradfahrzeuge
US5762353A (en) 1996-02-05 1998-06-09 Miller; John Jeremy Rear suspension bicycle frame
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