JPS6235210U - - Google Patents

Info

Publication number
JPS6235210U
JPS6235210U JP12764285U JP12764285U JPS6235210U JP S6235210 U JPS6235210 U JP S6235210U JP 12764285 U JP12764285 U JP 12764285U JP 12764285 U JP12764285 U JP 12764285U JP S6235210 U JPS6235210 U JP S6235210U
Authority
JP
Japan
Prior art keywords
output
tread groove
comparison circuit
optical displacement
tread
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
JP12764285U
Other languages
Japanese (ja)
Other versions
JPH0346324Y2 (en
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 filed Critical
Priority to JP12764285U priority Critical patent/JPH0346324Y2/ja
Publication of JPS6235210U publication Critical patent/JPS6235210U/ja
Application granted granted Critical
Publication of JPH0346324Y2 publication Critical patent/JPH0346324Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案にかかる測定装置一部断面に
て示す全体的な概略構成図、第２図はタイヤに対
する光学変位計の移動方向を示す説明平面図、第
３図は電気的なブロツク構成図である。 １…非接触光学変位計、４…光透過性覆板、９
…タイヤ、１０…トレツド溝、２０…比較回路、
２２，２４…表示器。 Fig. 1 is an overall schematic configuration diagram showing a partial cross section of the measuring device according to this invention, Fig. 2 is an explanatory plan view showing the moving direction of the optical displacement meter with respect to the tire, and Fig. 3 is the electrical block configuration. It is a diagram. 1...Non-contact optical displacement meter, 4...Light transparent cover plate, 9
...tire, 10...tread groove, 20...comparison circuit,
22, 24...Display device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 自動車のタイヤが乗る光透過性覆板の下方に設
置され、トレツドとトレツド溝底とからの反射光
の偏差によりトレツド溝の深さを光学的に検出す
る非接触光学変位計と、この光学変位計の出力と
基準値とを比較する比較回路と、この比較回路の
出力と前記光学変位計の出力により適否を表示す
る表示器とを備えて成るタイヤのトレツド溝測定
装置。 A non-contact optical displacement meter is installed below a light-transmissive cover plate on which an automobile tire rides, and optically detects the depth of a tread groove based on the deviation of reflected light from the tread and the bottom of the tread groove. 1. A tire tread groove measuring device comprising: a comparison circuit for comparing the output of the meter with a reference value; and a display device for displaying suitability based on the output of the comparison circuit and the output of the optical displacement meter.
JP12764285U 1985-08-20 1985-08-20 Expired JPH0346324Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12764285U JPH0346324Y2 (en) 1985-08-20 1985-08-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12764285U JPH0346324Y2 (en) 1985-08-20 1985-08-20

Publications (2)

Publication Number Publication Date
JPS6235210U true JPS6235210U (en) 1987-03-02
JPH0346324Y2 JPH0346324Y2 (en) 1991-09-30

Family

ID=31022590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12764285U Expired JPH0346324Y2 (en) 1985-08-20 1985-08-20

Country Status (1)

Country Link
JP (1) JPH0346324Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006162562A (en) * 2004-12-10 2006-06-22 Yokohama Rubber Co Ltd:The Method and apparatus for measuring rubber thickness of tire surface
JP2016161360A (en) * 2015-02-27 2016-09-05 ダイハツ工業株式会社 Depth measurement method of tire groove
WO2017149954A1 (en) * 2016-03-04 2017-09-08 三菱重工業株式会社 Tire wear life estimating system
JP2023124308A (en) * 2022-02-25 2023-09-06 Ｔｏｙｏ Ｔｉｒｅ株式会社 tire polishing machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006162562A (en) * 2004-12-10 2006-06-22 Yokohama Rubber Co Ltd:The Method and apparatus for measuring rubber thickness of tire surface
JP2016161360A (en) * 2015-02-27 2016-09-05 ダイハツ工業株式会社 Depth measurement method of tire groove
WO2017149954A1 (en) * 2016-03-04 2017-09-08 三菱重工業株式会社 Tire wear life estimating system
JP2023124308A (en) * 2022-02-25 2023-09-06 Ｔｏｙｏ Ｔｉｒｅ株式会社 tire polishing machine

Also Published As

Publication number Publication date
JPH0346324Y2 (en) 1991-09-30

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