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FR2304057A1 - Checker for parallelism of vehicle front wheels - employs projector on each wheel reflecting light from mirror to scale - Google Patents

Checker for parallelism of vehicle front wheels - employs projector on each wheel reflecting light from mirror to scale

Info

Publication number
FR2304057A1
FR2304057A1 FR7507842A FR7507842A FR2304057A1 FR 2304057 A1 FR2304057 A1 FR 2304057A1 FR 7507842 A FR7507842 A FR 7507842A FR 7507842 A FR7507842 A FR 7507842A FR 2304057 A1 FR2304057 A1 FR 2304057A1
Authority
FR
France
Prior art keywords
projector
wheel
parallelism
mirror
front wheels
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
FR7507842A
Other languages
French (fr)
Other versions
FR2304057B1 (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 FR7507842A priority Critical patent/FR2304057A1/en
Publication of FR2304057A1 publication Critical patent/FR2304057A1/en
Application granted granted Critical
Publication of FR2304057B1 publication Critical patent/FR2304057B1/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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/275—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/10—Wheel alignment
    • G01B2210/28—Beam projector and related sensors, camera, inclinometer or other active sensing or projecting device
    • G01B2210/283—Beam projectors and related sensors

Landscapes

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

Abstract

The parallelism of the front wheels of a vehicle is checked by detecting the angle between each wheel and the longitudinal axis. This is performed without the need for a special test location by a luminous projector mounted on each wheel and which gives a direct reading of angle. A luminous projector (1) is mounted on a support (2) which permits mounting of the assembly on each front wheel (3) of a vehicle. The support on each projector carries a bar (4) extending towards the front and on which a mirror (5) is mounted to reflect a luminous spot (A, B) towards a graduated scale (6). The mirrors pivot around their vertical axes (7) and are connected together by a flexible coupling bar (8)with a spring (9). Each bar contains a spirit level ensuring that the horizontal axis is maintained.
FR7507842A 1975-03-13 1975-03-13 Checker for parallelism of vehicle front wheels - employs projector on each wheel reflecting light from mirror to scale Granted FR2304057A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7507842A FR2304057A1 (en) 1975-03-13 1975-03-13 Checker for parallelism of vehicle front wheels - employs projector on each wheel reflecting light from mirror to scale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7507842A FR2304057A1 (en) 1975-03-13 1975-03-13 Checker for parallelism of vehicle front wheels - employs projector on each wheel reflecting light from mirror to scale

Publications (2)

Publication Number Publication Date
FR2304057A1 true FR2304057A1 (en) 1976-10-08
FR2304057B1 FR2304057B1 (en) 1982-01-29

Family

ID=9152512

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7507842A Granted FR2304057A1 (en) 1975-03-13 1975-03-13 Checker for parallelism of vehicle front wheels - employs projector on each wheel reflecting light from mirror to scale

Country Status (1)

Country Link
FR (1) FR2304057A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507768A2 (en) * 1981-06-10 1982-12-17 Facom Vehicle steering geometry checking arrangement - has tubular rule inside which beam is projected onto unitary mirror which is articulated or movable for deflection onto screen
DE9416756U1 (en) * 1993-10-22 1995-02-16 Muller BEM S.A., Chartres Device for geometrical testing of vehicles with steerable wheels
WO2010084330A3 (en) * 2009-01-23 2010-11-04 Terence Peter Grogan Wheel alignment measuring

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1158950C (en) 2001-10-18 2004-07-28 广东溢达纺织有限公司 Wrinkle resisting finish process of shirt wormiam bone

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507768A2 (en) * 1981-06-10 1982-12-17 Facom Vehicle steering geometry checking arrangement - has tubular rule inside which beam is projected onto unitary mirror which is articulated or movable for deflection onto screen
DE9416756U1 (en) * 1993-10-22 1995-02-16 Muller BEM S.A., Chartres Device for geometrical testing of vehicles with steerable wheels
WO2010084330A3 (en) * 2009-01-23 2010-11-04 Terence Peter Grogan Wheel alignment measuring
GB2477147B (en) * 2009-01-23 2013-06-19 Terence Peter Grogan Wheel alignment measuring
US8760641B2 (en) 2009-01-23 2014-06-24 Terence Peter Grogan Wheel alignment measuring

Also Published As

Publication number Publication date
FR2304057B1 (en) 1982-01-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse