US20020057011A1 - Bicycle wheel - Google Patents
Bicycle wheel Download PDFInfo
- Publication number
- US20020057011A1 US20020057011A1 US09/779,651 US77965101A US2002057011A1 US 20020057011 A1 US20020057011 A1 US 20020057011A1 US 77965101 A US77965101 A US 77965101A US 2002057011 A1 US2002057011 A1 US 2002057011A1
- Authority
- US
- United States
- Prior art keywords
- spokes
- hand
- wheel
- rim
- hub
- 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
Links
- 238000004873 anchoring Methods 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B1/00—Spoked wheels; Spokes thereof
- B60B1/02—Wheels with wire or other tension spokes
- B60B1/0215—Wheels with wire or other tension spokes characterised by specific grouping of spokes
- B60B1/0223—Wheels with wire or other tension spokes characterised by specific grouping of spokes the dominant aspect being the spoke arrangement pattern
- B60B1/023—Wheels with wire or other tension spokes characterised by specific grouping of spokes the dominant aspect being the spoke arrangement pattern multiple exclusively parallel spokes arranged in a group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B1/00—Spoked wheels; Spokes thereof
- B60B1/003—Spoked wheels; Spokes thereof specially adapted for bicycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B1/00—Spoked wheels; Spokes thereof
- B60B1/02—Wheels with wire or other tension spokes
- B60B1/04—Attaching spokes to rim or hub
- B60B1/041—Attaching spokes to rim or hub of bicycle wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/13—Bicycles; Tricycles
Definitions
- the present invention relates to a bicycle wheel, in particular a front wheel for a racing bicycle. More precisely, the invention relates to a wheel of the type comprising a rim, a hub, and a plurality of spokes having their outer ends fixed to the rim and their inner ends fixed to the hub. With reference to the position of assembly on a bike, the hub presents a right-hand anchoring portion and a left-hand anchoring portion for anchorage, respectively, of a set of right-hand spokes and a set of left-hand spokes.
- the consolidated technique for mounting wheels envisages attachment of the spokes on the rim at equal distances apart in the circumferential direction. Alternately set along the circumference of the rim are the attachments for the left-hand spokes and the attachments for the right-hand spokes, i.e., with one left-hand spoke alternating with one right-hand spoke.
- the purpose of the present invention is to eliminate the problems regarding axial unbalancing of the forces acting on the rim which are due to the pull of the spokes.
- the solution according to the present invention groups the spokes together in an even number of sets of three spokes set at equal distances apart, which comprise, alternately, two right-hand spokes and one left-hand spoke, and two left-hand spokes and one right-hand spoke.
- the spoke which is set singly on a given side of the wheel will be tensioned with a pull nominally twice the pull with which the two spokes of the same set acting on the opposite side of the wheel are tensioned.
- FIG. 1 is a perspective view of a wheel according to the present invention
- FIG. 2 is a perspective view illustrating, at a larger scale, the part indicated by the arrow II in FIG. 1;
- FIG. 3 is a schematic view illustrating the forces applied to the rim by one of the sets of three spokes.
- the number 10 designates a bicycle wheel, in particular a front wheel for a racing bicycle.
- the wheel 10 comprises a rim 12 , a hub 14 , and a plurality of spokes 20 , 22 having their outer ends fixed to the rim 10 and their inner ends fixed to the hub 14 .
- the rim, the spokes and the hub may be of any type and may be made of any material.
- the hub may have the shape illustrated, by way of example, in the figures, or else may be of the more common type with radial flanges.
- the hub 14 has a left-hand anchoring portion 16 and a right-hand anchoring portion 18 .
- the terms “left-hand” and “right-hand” refer to the condition in which the wheel 10 is mounted on a bicycle (not illustrated).
- the spokes that are fixed to the left-hand anchoring portion 16 are referred to as left-hand spokes and are designated by the reference number 20
- the spokes that are fixed to the right-hand anchoring portion 18 are referred to as right-hand spokes and are designated by the reference number 22
- the present invention is not limited to any particular way of fixing the spokes 20 , 22 to the rim and to the hub.
- the spokes 20 , 22 are grouped in an even number of sets of three 24 a , 24 b , which are set at equal distances apart.
- the sets of three spokes 24 a comprise two right-hand spokes and one left-hand spoke, whilst the sets of three spokes 24 b comprise two left-hand spokes and one right-hand spoke.
- the sets of three spokes 24 a and 24 b are arranged alternately.
- the wheel 10 comprises eight sets of three spokes in all.
- the number of sets of spokes may, for example, vary from four to twelve.
- each set of three spokes 24 a , 24 b the single spoke is connected to the rim 12 in an intermediate point between the points of attachment of the pair of opposed spokes.
- the spokes set on the same side of the wheel may be parallel to one another, or converge in the direction going from the hub to the rim, or else diverge in the direction going from the hub to the rim.
- each set of three spokes 24 a or 24 b the spoke that acts singly on the respective side of the wheel will be subjected to a load F with a pull nominally twice the pull F/2 at which the opposed spokes of the same set of three spokes are tensioned.
- the system of forces applied to the rim 12 is locally balanced for each set of three spokes 24 a and 24 b .
- the axial components of the forces of tensioning of the spokes do not induce deformations of the rim 12 in the direction parallel to the axis of rotation of the wheel.
- the distance between the points of attachment of the spokes to the rim 12 is not tied to any considerations of overall balance of the wheel. In this way, the rim 12 can be sized without taking into account the geometrically destabilizing effects in the axial direction that are due to tensioning of the spokes.
Abstract
Description
- The present invention relates to a bicycle wheel, in particular a front wheel for a racing bicycle. More precisely, the invention relates to a wheel of the type comprising a rim, a hub, and a plurality of spokes having their outer ends fixed to the rim and their inner ends fixed to the hub. With reference to the position of assembly on a bike, the hub presents a right-hand anchoring portion and a left-hand anchoring portion for anchorage, respectively, of a set of right-hand spokes and a set of left-hand spokes.
- The consolidated technique for mounting wheels envisages attachment of the spokes on the rim at equal distances apart in the circumferential direction. Alternately set along the circumference of the rim are the attachments for the left-hand spokes and the attachments for the right-hand spokes, i.e., with one left-hand spoke alternating with one right-hand spoke.
- Albeit consolidated, this arrangement presents certain drawbacks. In particular, the rim undergoes an undulated deformation in the direction parallel to the axis of the hub because the axial component of the pull of the spokes tends to force the rim out of the optimal condition of planarity.
- Usually, the stiffness of the rim is able to make up for this deformation, limiting the said deformation below a threshold where the cyclist is unable to perceive it. However, to limit the axial deformations of the rim it may be necessary to resort to an oversizing of the latter.
- Other known solutions use an arrangement where the right-hand spokes and the left-hand spokes are set close to one another in twos, so as to make the points of anchorage on the rim of each right-hand spoke and of the corresponding left-hand spoke as close as possible to one another. The aim is to cause the axial component of the pull of the spokes to be offset locally, neutralizing the effect of destabilization of the rim. This known solution is, however, subject to limitations of a technological nature, such as the encumbrance of the means of attachment of the spokes (nipples or nuts), the need for space to insert the wrenches or other tools used for assembly, etc., and moreover entails limits of structural strength of the rim due to the vicinity of two holes on the wall that are subjected to the pull of the spokes. It follows that this known solution is again affected by problems of local flexure, which tend to bring the rim out of conditions of planarity.
- The purpose of the present invention is to eliminate the problems regarding axial unbalancing of the forces acting on the rim which are due to the pull of the spokes.
- According to the present invention, the above purpose is achieved by a wheel having the characteristics that form the subject of claim1.
- The solution according to the present invention groups the spokes together in an even number of sets of three spokes set at equal distances apart, which comprise, alternately, two right-hand spokes and one left-hand spoke, and two left-hand spokes and one right-hand spoke. In each set of three spokes, the spoke which is set singly on a given side of the wheel will be tensioned with a pull nominally twice the pull with which the two spokes of the same set acting on the opposite side of the wheel are tensioned.
- Further characteristics and advantages of the wheel according to the present invention will emerge clearly from the ensuing detailed description, which is provided purely by way of non-limiting example, in which:
- FIG. 1 is a perspective view of a wheel according to the present invention;
- FIG. 2 is a perspective view illustrating, at a larger scale, the part indicated by the arrow II in FIG. 1; and
- FIG. 3 is a schematic view illustrating the forces applied to the rim by one of the sets of three spokes.
- With reference to FIGS. 1 and 2, the
number 10 designates a bicycle wheel, in particular a front wheel for a racing bicycle. Thewheel 10 comprises arim 12, ahub 14, and a plurality ofspokes rim 10 and their inner ends fixed to thehub 14. The rim, the spokes and the hub may be of any type and may be made of any material. In particular, the hub may have the shape illustrated, by way of example, in the figures, or else may be of the more common type with radial flanges. - In a conventional way, the
hub 14 has a left-hand anchoring portion 16 and a right-hand anchoring portion 18. The terms “left-hand” and “right-hand” refer to the condition in which thewheel 10 is mounted on a bicycle (not illustrated). - The spokes that are fixed to the left-
hand anchoring portion 16 are referred to as left-hand spokes and are designated by thereference number 20, whilst the spokes that are fixed to the right-hand anchoring portion 18 are referred to as right-hand spokes and are designated by thereference number 22. The present invention is not limited to any particular way of fixing thespokes - According to the present invention, the
spokes spokes 24 a comprise two right-hand spokes and one left-hand spoke, whilst the sets of threespokes 24 b comprise two left-hand spokes and one right-hand spoke. The sets of threespokes - In the embodiment illustrated by way of example in FIG. 1, the
wheel 10 comprises eight sets of three spokes in all. The number of sets of spokes may, for example, vary from four to twelve. - In each set of three
spokes rim 12 in an intermediate point between the points of attachment of the pair of opposed spokes. In each set of threespokes - With reference to FIG. 3, in each set of three
spokes rim 12 is locally balanced for each set of threespokes rim 12 in the direction parallel to the axis of rotation of the wheel. The distance between the points of attachment of the spokes to therim 12 is not tied to any considerations of overall balance of the wheel. In this way, therim 12 can be sized without taking into account the geometrically destabilizing effects in the axial direction that are due to tensioning of the spokes. - Of course, without prejudice to the principle of the invention, the details of construction and the embodiments may be varied widely with respect to what is described and illustrated herein purely by way of example, without thereby departing from the scope of the present invention as defined in the ensuing claims.
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2000A001064 | 2000-11-14 | ||
IT2000TO001064A IT1321063B1 (en) | 2000-11-14 | 2000-11-14 | BICYCLE WHEEL. |
ITTO00A1064 | 2000-11-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
US6382734B1 US6382734B1 (en) | 2002-05-07 |
US20020057011A1 true US20020057011A1 (en) | 2002-05-16 |
Family
ID=11458210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/779,651 Expired - Lifetime US6382734B1 (en) | 2000-11-14 | 2001-02-09 | Bicycle wheel |
Country Status (2)
Country | Link |
---|---|
US (1) | US6382734B1 (en) |
IT (1) | IT1321063B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI614151B (en) * | 2014-10-27 | 2018-02-11 | Back Forty Dev Llc | Wheel assembly |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1216849B1 (en) * | 2000-12-19 | 2004-08-18 | Jiri Krampera | Spoked wheel for bicycle |
ITTO20010806A1 (en) * | 2001-08-09 | 2003-02-09 | Campagnolo Srl | SPOKE WHEEL FOR BICYCLE AND PROCEDURE FOR ITS MANUFACTURE. |
ITBO20010092U1 (en) * | 2001-11-02 | 2003-05-02 | L F Internat Vuelta Italy | WHEEL FOR ROAD AND / OR MOUNTAIN BIKE |
US6588853B2 (en) * | 2001-11-29 | 2003-07-08 | Shimano Inc. | Bicycle rim |
US20030127907A1 (en) * | 2002-01-04 | 2003-07-10 | Chao-Ying Chen | Bicycle wheel to be installed on a wheel axle that is mounted with a freewheel |
US6517169B1 (en) * | 2002-03-26 | 2003-02-11 | Mark Yu | Spoked wheel for a bicycle |
ATE336393T1 (en) * | 2003-03-18 | 2006-09-15 | Campagnolo Srl | SPOKE WHEEL FOR A BICYCLE |
EP1462274A1 (en) * | 2003-03-28 | 2004-09-29 | Campagnolo S.R.L. | Spoked wheel for a bicycle |
US7140696B1 (en) | 2004-06-25 | 2006-11-28 | Trek Bicycle Corporation | Internal spoke nipple with variable spoke angles |
US7562940B2 (en) | 2005-12-22 | 2009-07-21 | Specialized Bicycle Components, Inc. | Bicycle wheel and hub |
US7562942B2 (en) * | 2005-12-22 | 2009-07-21 | Specialized Bicycle Components, Inc. | Bicycle wheel and release mechanism |
USD773973S1 (en) * | 2015-11-20 | 2016-12-13 | Shutter Precision Co., Ltd. | Hub |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1313976A (en) * | 1919-08-26 | Charles s | ||
US1179646A (en) * | 1915-09-18 | 1916-04-18 | Fredellia H Moyer | Wire wheel. |
US1836818A (en) * | 1926-06-14 | 1931-12-15 | Sauzedde Claude | Wire spoke lacing for wheels |
US5938293A (en) * | 1995-10-13 | 1999-08-17 | Dietrich; Rolf | Cycle, tensioned spoked wheel assembly and hub therefor |
-
2000
- 2000-11-14 IT IT2000TO001064A patent/IT1321063B1/en active
-
2001
- 2001-02-09 US US09/779,651 patent/US6382734B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI614151B (en) * | 2014-10-27 | 2018-02-11 | Back Forty Dev Llc | Wheel assembly |
Also Published As
Publication number | Publication date |
---|---|
ITTO20001064A1 (en) | 2002-05-14 |
US6382734B1 (en) | 2002-05-07 |
ITTO20001064A0 (en) | 2000-11-14 |
IT1321063B1 (en) | 2003-12-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6382734B1 (en) | Bicycle wheel | |
US5626401A (en) | Spoked wheel hub | |
US6196638B1 (en) | Bicycle wheel | |
US7635170B2 (en) | Bicycle wheel | |
US10093389B2 (en) | Bicycle front sprocket, bicycle crank assembly, and bicycle drive train | |
US7874625B2 (en) | Bicycle wheel assembly having dissimilar lateral spoke lacings | |
EP0692641A2 (en) | Device for connecting parts having holes with different centre-to-centre distances | |
US6431657B2 (en) | Bicycle hub for disc brake | |
US6145938A (en) | Cycle, tensioned spoked wheel assembly and hub therefor | |
US5938293A (en) | Cycle, tensioned spoked wheel assembly and hub therefor | |
US6540306B2 (en) | Bicycle disc brake hub | |
US20020074853A1 (en) | Spoked bicycle wheel | |
EP1283112A2 (en) | Spoked wheel for a bicycle and method for its manufacture | |
EP1391324B1 (en) | Bearing apparatus for a bicycle hub | |
JPH11208201A (en) | Spoke rim assembly, rim and spoke for bicycle | |
US6309028B1 (en) | Bicycle hub | |
US20120074761A1 (en) | Wheel for a vehicle operable by muscular force and in particular for a bicycle with an auxiliary motor | |
US6485108B1 (en) | Bicycle hub | |
EP0849154A2 (en) | Hollow crank spindle unit for bicycles | |
US6517169B1 (en) | Spoked wheel for a bicycle | |
US20060250021A1 (en) | Wire spoke wheel, and components for same | |
WO2002053395A1 (en) | Bicycle wheel particularly for racing and/or mountain bicycles | |
EP2851209B1 (en) | Spoke wheel | |
JPS60209301A (en) | Vehicle wheel | |
JP2012040947A (en) | Wheel for vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CAMPAGNOLO SRL, ITALY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PASSAROTTO, MAURIZIO;REEL/FRAME:011547/0704 Effective date: 20010115 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
CC | Certificate of correction | ||
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: PAT HOLDER NO LONGER CLAIMS SMALL ENTITY STATUS, ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: STOL); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
FPAY | Fee payment |
Year of fee payment: 12 |