FR2356122A1 - Measuring instrument for vehicle front wheel alignment - has pendulum controlling potentiometer to give signal indicative of wheel geometry - Google Patents

Measuring instrument for vehicle front wheel alignment - has pendulum controlling potentiometer to give signal indicative of wheel geometry

Info

Publication number
FR2356122A1
FR2356122A1 FR7619366A FR7619366A FR2356122A1 FR 2356122 A1 FR2356122 A1 FR 2356122A1 FR 7619366 A FR7619366 A FR 7619366A FR 7619366 A FR7619366 A FR 7619366A FR 2356122 A1 FR2356122 A1 FR 2356122A1
Authority
FR
France
Prior art keywords
wheel
measuring instrument
signal indicative
vehicle front
pendulum
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
FR7619366A
Other languages
French (fr)
Other versions
FR2356122B1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7619366A priority Critical patent/FR2356122A1/en
Publication of FR2356122A1 publication Critical patent/FR2356122A1/en
Application granted granted Critical
Publication of FR2356122B1 publication Critical patent/FR2356122B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B7/315—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

A measuring instrument is used to measure the front wheel caster and camber angles of a road vehicle. The instrument comprises a case (1) containing a pendulum pivoted about a horizontal axes and in a plane parallel to the wheel plane. It also has a variable resistor potentiometer which gives a signal proportional to the relative position of the pendulum with the bracket (2) attached to the wheel (R). The instrument is connected to a display. By raising the wheel (R) off the ground, rotating the wheel and taking maximum reading and a reading for the wheel at 90 [deg.] to the position at maximum reading, the wobble of the wheel can be determined. Any wobble measured can be compensated by a potentiometer (13). Other angles of the wheel (R) can then be measured.
FR7619366A 1976-06-25 1976-06-25 Measuring instrument for vehicle front wheel alignment - has pendulum controlling potentiometer to give signal indicative of wheel geometry Granted FR2356122A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7619366A FR2356122A1 (en) 1976-06-25 1976-06-25 Measuring instrument for vehicle front wheel alignment - has pendulum controlling potentiometer to give signal indicative of wheel geometry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7619366A FR2356122A1 (en) 1976-06-25 1976-06-25 Measuring instrument for vehicle front wheel alignment - has pendulum controlling potentiometer to give signal indicative of wheel geometry

Publications (2)

Publication Number Publication Date
FR2356122A1 true FR2356122A1 (en) 1978-01-20
FR2356122B1 FR2356122B1 (en) 1981-12-31

Family

ID=9174864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7619366A Granted FR2356122A1 (en) 1976-06-25 1976-06-25 Measuring instrument for vehicle front wheel alignment - has pendulum controlling potentiometer to give signal indicative of wheel geometry

Country Status (1)

Country Link
FR (1) FR2356122A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404199A1 (en) * 1977-09-26 1979-04-20 Fmc Corp METHOD AND APPARATUS FOR COMPENSATION OF THE DIFFERENCES IN THE TOE-IN AND BODYBODY MEASURES
FR2484632A1 (en) * 1980-06-12 1981-12-18 Beissbarth Osmond DEVICE FOR MEASURING THE POSITION OF WHEELS
EP0259513A1 (en) * 1986-09-11 1988-03-16 Schenck Auto-Service-Geräte GmbH Method for the precision measurement of caster and camber in motor vehicles
WO1988009913A1 (en) * 1987-06-12 1988-12-15 Osmond Beissbarth Process and device for measuring the position of wheels
US4879670A (en) * 1987-11-02 1989-11-07 Hunter Engineering Company Vehicle wheel alignment transducer, system and method
US4953296A (en) * 1989-08-24 1990-09-04 J. P. Hennessy Method and apparatus for providing runout compensation
US5052111A (en) * 1990-10-09 1991-10-01 Ammco Tools Technology Corporation Method and apparatus for providing runout compensation in a wheel
EP0521254A1 (en) * 1991-06-29 1993-01-07 Hofmann Werkstatt-Technik Gmbh Device for measuring wheel position
EP0990112A1 (en) * 1997-06-04 2000-04-05 Snap-on Technologies, Inc. Compensation for undesired angle deviations arising during vehicle wheel alignment operations

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404199A1 (en) * 1977-09-26 1979-04-20 Fmc Corp METHOD AND APPARATUS FOR COMPENSATION OF THE DIFFERENCES IN THE TOE-IN AND BODYBODY MEASURES
FR2484632A1 (en) * 1980-06-12 1981-12-18 Beissbarth Osmond DEVICE FOR MEASURING THE POSITION OF WHEELS
US4394798A (en) * 1980-06-12 1983-07-26 Osmond Beissbarth Wheel alignment measuring apparatus
EP0259513A1 (en) * 1986-09-11 1988-03-16 Schenck Auto-Service-Geräte GmbH Method for the precision measurement of caster and camber in motor vehicles
US4858331A (en) * 1986-09-11 1989-08-22 Schenck-Auto-Service-Gerate Gmbh Method and apparatus for measurement of caster, king-pin-inclination, and camber on motor vehicles
US5038485A (en) * 1987-06-12 1991-08-13 Osmond Beissbarth Method and apparatus for the measurement of wheel alignment
WO1988009913A1 (en) * 1987-06-12 1988-12-15 Osmond Beissbarth Process and device for measuring the position of wheels
US4879670A (en) * 1987-11-02 1989-11-07 Hunter Engineering Company Vehicle wheel alignment transducer, system and method
US4953296A (en) * 1989-08-24 1990-09-04 J. P. Hennessy Method and apparatus for providing runout compensation
US5052111A (en) * 1990-10-09 1991-10-01 Ammco Tools Technology Corporation Method and apparatus for providing runout compensation in a wheel
EP0521254A1 (en) * 1991-06-29 1993-01-07 Hofmann Werkstatt-Technik Gmbh Device for measuring wheel position
US5311668A (en) * 1991-06-29 1994-05-17 Hofmann Werkstatt-Technik Gmbh Wheel position measuring apparatus
EP0990112A1 (en) * 1997-06-04 2000-04-05 Snap-on Technologies, Inc. Compensation for undesired angle deviations arising during vehicle wheel alignment operations
EP0990112A4 (en) * 1997-06-04 2002-03-06 Snap On Tech Inc Compensation for undesired angle deviations arising during vehicle wheel alignment operations

Also Published As

Publication number Publication date
FR2356122B1 (en) 1981-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse