![]() Wheel alignment apparatus
专利摘要:
Apparatus for measuring vehicle wheel alignment comprising a yoke having a pair of aligned center pins engageable with a transverse axis in the vehicle; a collimated beam projector connectable to the yoke and adapted to project its beam at right angles to the axis of the center pins, and longitudinally of the vehicle with reference to the transverse axis and a target for the beam so attachable to a wheel of the vehicle that alignment of the wheel can be measured. In one embodiment the target is a mirror and the projector is provided with a transverse scale for measuring the reflected beam. In the other embodiment the target comprises a set of scales hung or clamped to the wheel. 公开号:US20010009070A1 申请号:US09/769,237 申请日:2001-01-24 公开日:2001-07-26 发明作者:Robert Lovesy 申请人:Supertracker Ltd; IPC主号:G01B11-275
专利说明:
[0001] The present invention relates to apparatus for measuring alignment of vehicle wheels, particularly, though not exclusively, of bicycles. [0001] [0002] In a chain driven motor cycle, it is essential that the rear axle sprocket be aligned with the gearbox output sprocket. It is also desirable to be able to check front to rear wheel alignment when the front wheel is steered straight ahead. [0002] [0003] The object of the present invention is to provide apparatus with which these alignments can be checked with reference to the rear forks/swinging arm pivot, i.e. the axis about which the rear suspension link carrying the rear wheel is pivoted in the frame of the motor cycle. [0003] [0004] According to the invention there is provided apparatus for measuring vehicle wheel alignment comprising: [0004] [0005] a yoke having a pair of aligned centre pins engageable with a transverse axis in the vehicle, [0005] [0006] a collimated beam projector connectable to the yoke and adapted to project its beam at right angles to the axis of the centre pins, and longitudinally of the vehicle with reference to the transverse axis and [0006] [0007] a target for the beam so attachable to a wheel of the vehicle that alignment of the wheel can be measured. [0007] [0008] It can be envisaged that the target is a reflector, having a mirror or the like arranged at right angles to the wheel, that is parallel to the axis of the wheel, for reflecting the beam back to the projector. When the wheel is aligned correctly the beam is reflected back along its projection plane. To detect this the projector can be provided with a transverse scale. [0008] [0009] However, the preferred embodiment is simpler in that the target includes means for visualising whether the projected beam is passing the parallel with the wheel. Conveniently, the visualisation means comprises a set of scale lines on a plate having abutments adapted to cause the lines to be parallel to the wheel. The plate can be clamped to or hung on the wheel. [0009] [0010] Preferably, the yoke is symmetric whereby the projector can be mounted on either side thereof, for projection of the beam along either side of the vehicle, for measurement on either side. [0010] [0011] Further, the means of connecting the projector onto the yoke is preferably adapted to reverse the direction of projection of the beam for alignment measurement of both a front wheel and a rear wheel. [0011] [0012] To help understanding of the invention, a specific embodiment thereof will now be described by way of example and with reference to the accompanying drawings, in which: [0012] [0013] FIG. 1 is a plan view of a motorcycle with wheel alignment apparatus of the invention fitted to it; [0013] [0014] FIG. 2 is a plan view of a yoke and beam projector of the apparatus—laid flat; [0014] [0015] FIG. 3 is a plan view of a beam target of the apparatus; [0015] [0016] FIG. 4 is an end view of the beam target. [0016] [0017] Referring first to FIG. 1, the motor cycle thereshown has a frame [0017] 1 with an engine and gearbox 2 mounted in the frame such that the gearbox output shaft 3 carrying a drive sprocket 4 is parallel to an axis 5 about which the rear fork/swinging arm is pivoted to the frame. The rear wheel 6 is mounted on the swinging arm 61 with its axis 7 adjustable on the arm by means of adjusters 71, for chain tensioning. The shaft 3 and the swinging arm axis 5 are generally close to each other to avoid marked chain tension variations with wheel stroke. It is unlikely that the shaft 3 and the axis 5 will be out of parallel. However, the wheel axis 7 can be out of parallel with the shaft 3 & axis 5, either as a result of uneven adjustment from side to side or of more serious damage. Such out of parallelism is likely to increase chain wear and decrease the efficiency of power transmission. [0018] The swinging arm spindle [0018] 8 as such, providing the pivot for the swinging arm on the axis 5, is usually a hollow tube, open at both ends. [0019] The apparatus of the invention shown in FIGS. 1 and 2 includes a three sided yoke [0019] 10, having a transverse member tube 11 and two arms 12. At the distal end of each arm is provided a bush 13 accommodating a stub shaft 14 movable parallel to the tube 11 between a number of positions defined by a grub screw 15 and a series of detents 16. The inner faces 17 of the stubs have threaded recesses 171 in which threaded studs 18 of centre pin pieces 19 engage. The arrangement is such that the centre pins can be judged to be equally set in from their respective ends of the tube 11. [0020] Received in either end of the tube [0020] 11 is a peg 21 of a laser projector 22. The projector is arranged to project a planar beam 23 orthogonal to the axis 24 defined by the pins 19. The projector can be rotated via its peg around the axis of the tube 11. [0021] As shown in FIGS. 3 and 4, the apparatus includes a target plate [0021] 31 having a number of lines 32 printed on it. They are parallel to an edge 33 of the plate which is adapted to abut the type of either wheel of the motor cycle. The edge may have pins for abutting the rim of the wheel, but in practice, a plain edge for abutting the tire has been found satisfactory. A hanger 34 is provided for hooking onto the top of the wheel with the plate arranged so that the laser beam 23 is visible along the plate. [0022] In use, the centre pins are engaged in opposite ends of the swinging arm spindle [0022] 8, whereby the tube 11 is hung from it and parallel to it. The beam is thus orthogonal to the axis 5 of the spindle. If the wheel axis 7 is parallel to the spindle axis, the beam 23 will cross the plate 31 parallel to the lines 32, as shown in FIG. 1. If it is not, it is a simple matter for the wheel to the adjusted on the swinging arm until the beam crosses the plate parallel with the lines, that is parallel with the side plane of the wheel and at right angles to the wheel axis. [0023] The wheel can be checked for trueness by making the above measurement at several angular positions of the wheel. If the swinging arm has suffered damage, the wheel can still be set up with it axis parallel with the swinging arm axis, yet with the chain running askew. This causes the chain to be out of parallel with the beam. It is a simple matter to measure the distance of the chain from the beam with a ruler extending out from the chain and impinged on by the beam. If this distance differs along the chain, it is askew and the swinging arm is damaged or at least the wheel requires to be adjusted laterally in the swinging arm. [0023] [0024] By turning the projector forwards and making measurements in the manner of the chain measurements on both sides, the front forks can be measured to be steered straight ahead. The target plate can then be hung on the front wheel to check that it is steered straight ahead when the forks are steered straight ahead. If there is a discrepancy, the front forks and/or the front wheel is damaged. [0024] [0025] Other vehicles whose wheel alignment can be measured with the apparatus are so called ATVs (All Terrain Vehicles). [0025]
权利要求:
Claims (10) [1" id="US-20010009070-A1-CLM-00001] 1. Apparatus for measuring vehicle wheel alignment comprising; a yoke having a pair of aligned centre pins engageable with a transverse axis in the vehicle, a collimated beam projector connectable to the yoke and adapted to project its beam at right angles to the axis of the centre pins, and longitudinally of the vehicle with reference to the transverse axis and a target for the beam so attachable to a wheel of the vehicle that alignment of the wheel can be measured. [2" id="US-20010009070-A1-CLM-00002] 2. Apparatus for measuring vehicle wheel alignment as claimed in claim 1 , wherein the target is a reflector, having a mirror or the like arranged at right angles to the wheel, that is parallel to the axis of the wheel, for reflecting the beam back to the projector. [3" id="US-20010009070-A1-CLM-00003] 3. Apparatus for measuring a vehicle wheel alignment as claimed in claim 2 , wherein the projector is provided with a transverse scale. [4" id="US-20010009070-A1-CLM-00004] 4. Apparatus for measuring a vehicle wheel alignment as claimed in claim 1 , wherein the target includes means for visualising whether the projected beam is passing the parallel with the wheel. [5" id="US-20010009070-A1-CLM-00005] 5. Apparatus for measuring a vehicle wheel alignment as claimed in claim 4 , wherein the visualisation means comprises a set of scale lines on a plate having abutments adapted to cause the lines to be parallel to the wheel. [6" id="US-20010009070-A1-CLM-00006] 6. Apparatus for measuring a vehicle wheel alignment as claimed in claim 5 , wherein the plate is clamped to the wheel. [7" id="US-20010009070-A1-CLM-00007] 7. Apparatus for measuring a vehicle wheel alignment as claimed in claim 5 , wherein the plate is hung on the wheel. [8" id="US-20010009070-A1-CLM-00008] 8. Apparatus for measuring a vehicle wheel alignment as claimed in claim 1 , wherein the yoke is symmetric whereby the projector can be mounted on either side thereof, for projection of the beam along either side of the vehicle, for measurement on either side. [9" id="US-20010009070-A1-CLM-00009] 9. Apparatus for measuring a vehicle wheel alignment as claimed in claim 1 , wherein the means of connecting the projector onto the yoke is adapted to reverse the direction of projection of the beam for alignment measurement of both a front wheel and a rear wheel. [10" id="US-20010009070-A1-CLM-00010] 10. Apparatus for measuring a vehicle alignment substantially as hereinbefore described with reference to FIG. 1, FIG. 2, FIG. 3 and FIG. 4 of the accompanying drawings.
类似技术:
公开号 | 公开日 | 专利标题 US6543145B2|2003-04-08|Wheel alignment apparatus EP0460471B1|1997-03-05|Method and apparatus for measuring cross-toe DK151917B|1988-01-11|DEVICE FOR MEASUREMENT OF VEHICLE WHEEL POSITIONS US4159574A|1979-07-03|Method of measuring the angular position of the axis of rotation of a wheel US20060185180A1|2006-08-24|Wheel alignment gauge CA2497557C|2009-12-15|Method and device for checking the chassis geometry of a chain-driven or belt driven vehicle CN106985909B|2021-04-27|Wheel alignment and toe angle adjustment system for a three-wheeled vehicle JP3197529B2|2001-08-13|Non-contact measurement method of wheel alignment characteristics and its measurement device RU2012139475A|2014-04-10|METHOD AND SYSTEM FOR DETERMINING ANGLES OF INSTALLATION OF VEHICLE WHEELS US6438855B1|2002-08-27|Portable wheel alignment system for motorcycles US6043875A|2000-03-28|Method and device for the measuring of wheel angles FR2481442A1|1981-10-30|APPARATUS FOR CONTROLLING THE ACCURACY OF DIMENSIONS OF LARGE OBJECTS GB2090988A|1982-07-21|Wheel alignment gauge US3135052A|1964-06-02|Wheel alinement apparatus US7007395B2|2006-03-07|Wheel alignment system for single track vehicles GB2477147A|2011-07-27|Vehicle wheel alignment US4481716A|1984-11-13|Wheel alignment measuring apparatus US4170070A|1979-10-09|Method and device for controlling the geometry of two-wheeled vehicles US4172326A|1979-10-30|Wheel aligning apparatus US20070094882A1|2007-05-03|Method and apparatus for tractor trailer axle wheel alignment CN201063003Y|2008-05-21|Calibrating apparatus of integral type vehicle mounted digital display type vehicle fourth wheel orientator EP0530605B1|1996-06-19|Crosstalk compensation in wheel alignment system SE9604741L|1998-06-21|Procedure and measurement system for wheel alignment IE40937L|1975-08-09|Wheel alignment testing apparatus US3171208A|1965-03-02|Measuring instrument
同族专利:
公开号 | 公开日 GB2358709B|2003-03-05| EP1120627A2|2001-08-01| EP1120627A3|2002-06-05| GB0001509D0|2000-03-15| GB2358709A|2001-08-01| US6543145B2|2003-04-08|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题 US7444754B1|2008-01-10|2008-11-04|Honda Motor Co., Ltd.|Wheel alignment apparatus and method for all-terrain vehicles| US20080295346A1|2007-06-01|2008-12-04|Tanga Robert P|Rear axle alignment gauge and method| US7467477B1|2007-07-26|2008-12-23|Shimano Inc.|Rear derailleur hanger alignment tool|US3135052A|1962-12-18|1964-06-02|Bear Mfg Co|Wheel alinement apparatus| US3758958A|1970-04-28|1973-09-18|Performance Equipment Inc|Wheel aligning apparatus| US3901604A|1973-11-19|1975-08-26|Bear Manufacturing Corp|Apparatus for use in aligning wheels| US4015339A|1975-11-03|1977-04-05|Aktiebolaget Samefa|Measuring tool for frameworks| US4095902A|1976-03-01|1978-06-20|Applied Power Inc.|Automobile wheel alignment device and method| US4150897A|1977-03-02|1979-04-24|FMC Corporaton|Wheel-mounted vehicle wheel aligner| GB2045956B|1979-04-06|1983-04-20|Henter T C|Wheel aligning apparatus| US4337581A|1980-02-19|1982-07-06|Kansas Jack, Inc.|Target structure for use with an alignment apparatus| US4349965A|1980-09-17|1982-09-21|Security Trust Company Of Rochester|Four wheel alignment method and apparatus for automotive vehicles| FR2498315B1|1981-01-20|1986-04-04|Muller & Cie Ets M|METHOD FOR MEASURING THE PARALLELISM OF FRONT AND REAR TRAIN ROADS OF MOTOR VEHICLES AS WELL AS THE SET-BACK ANGLES BETWEEN THE FRONT TRAIN WHEELS AND THE CRAB ANGLE, AND APPARATUS FOR CARRYING OUT THIS METHOD| US4375130A|1981-05-08|1983-03-01|Fmc Corporation|Method for adjusting the toe of the steerable wheels on a vehicle relative to the average rolling direction of the vehicle nonsteerable wheels| US4630379A|1983-09-02|1986-12-23|Chart Industries Limited|Laser gauging system and component parts therefor| DE3434391A1|1984-09-19|1986-04-17|Gerhard 8034 Germering Köster|Straightening stand for motor cycle frames| GB8510915D0|1985-04-30|1985-06-05|H T C Nottingham Ltd|Wheel alignment apparatus| US4598481A|1985-08-12|1986-07-08|Hein-Werner Corporation|Intersecting laser alignment apparatus and method| US4898464A|1987-08-31|1990-02-06|Bee Line Company|Method and apparatus for determining the position of an object| DE3807577A1|1988-03-08|1989-09-21|Gerhard Koester|Device for measuring a motorcycle frame| US5029397A|1989-02-21|1991-07-09|Global Laser Systems Inc.|Method of measuring a vehicular frame to determine alignment| DE4039881C2|1990-12-13|1997-04-30|Hofmann Werkstatt Technik|Method and device for optically measuring an angle which wheel positions on vehicles form relative to one another| DE9017069U1|1990-12-18|1991-04-25|Koester, Gerhard, 8945 Legau, De|| US5724743A|1992-09-04|1998-03-10|Snap-On Technologies, Inc.|Method and apparatus for determining the alignment of motor vehicle wheels| WO1994005969A1|1992-09-04|1994-03-17|Balco, Incorporated|Method and apparatus for determining the alignment of motor vehicle wheels| GB2285872B|1993-12-08|1997-06-11|Keith Lovesy|Wheel alignment| US5532816A|1994-03-15|1996-07-02|Stellar Industries, Inc.|Laser tracking wheel alignment measurement apparatus and method| US5684578A|1994-06-23|1997-11-04|Computational Systems, Inc.|Laser alignment head for use in shaft alignment| US5598358A|1995-05-24|1997-01-28|Hunter Engineering Company|Apparatus and method for calibrating vehicle wheel alignment instruments| US5675515A|1995-12-28|1997-10-07|Hunter Engineering Company|Apparatus and method for determining vehicle wheel alignment measurements from three dimensional wheel positions and orientations| US5842281A|1997-03-21|1998-12-01|Mieling; James A.|Wheelless alignment apparatus and method of using same| US5886782A|1998-01-16|1999-03-23|Hedgecock, Jr.; Wesley Javan|Vehicle rear end alignment device| DE19810140C2|1998-03-09|2001-03-08|Gerhard Koester|Device for aligning a deformed two-wheeled frame| DE19812911A1|1998-03-24|1999-10-07|Gerhard Koester|Method and device for measuring a two-wheeled frame| GB2343006A|1998-10-22|2000-04-26|Paul Nicholas Gibbs|Vehicle wheel alignment checking device| US6483577B2|1998-11-02|2002-11-19|Hunter Engineering Company|Vehicle alignment sensor system| US6240648B1|1999-03-22|2001-06-05|Daniel E. Dolph|Method and apparatus for performing rear wheel alignment on motorcycles having a swing arm rear suspension systems|DE10242535B4|2002-09-12|2004-08-12|Reiner Bayer|Device for aligning a belt or a chain in alignment| US7007395B2|2003-12-30|2006-03-07|Apogee Design Corp.|Wheel alignment system for single track vehicles| GB2410565B|2004-02-02|2007-12-05|S E S Quicktrak Ltd|Wheel alignment apparatus| DE202006020922U1|2005-06-03|2010-11-25|Koch, Harro|Device for fastening an axle head assembly to a vehicle| US7690128B1|2006-10-11|2010-04-06|Motion Pro, Inc|Fork alignment tool| US7621054B2|2007-03-15|2009-11-24|Honda Motor Company, Ltd.|Apparatus and methods for determining alignment of vehicle-mounted wheel| US8439161B2|2009-06-12|2013-05-14|Precision Fabrics Group, Inc.|Acoustically tunable sound absorption articles| GB2489428B|2011-03-25|2016-02-03|Motometrix Ltd|Single Track Vehicle Wheel Alignment|
法律状态:
2001-01-24| AS| Assignment|Owner name: SUPERTRACKER LIMITED, UNITED KINGDOM Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LOVESY, ROBERT;REEL/FRAME:011490/0905 Effective date: 20010112 | 2004-01-06| CC| Certificate of correction| 2006-10-25| REMI| Maintenance fee reminder mailed| 2007-04-08| LAPS| Lapse for failure to pay maintenance fees| 2007-05-09| STCH| Information on status: patent discontinuation|Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 | 2007-06-05| FP| Lapsed due to failure to pay maintenance fee|Effective date: 20070408 |
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申请号 | 申请日 | 专利标题 GB0001509||2000-01-25|| GB0001509A|GB2358709B|2000-01-25|2000-01-25|Wheel alignment apparatus| GB0001509.9||2000-01-25|| 相关专利
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