JPS5242747A - Device for measuring the abrasion wear of a trolley line - Google Patents
Device for measuring the abrasion wear of a trolley lineInfo
- Publication number
- JPS5242747A JPS5242747A JP11773875A JP11773875A JPS5242747A JP S5242747 A JPS5242747 A JP S5242747A JP 11773875 A JP11773875 A JP 11773875A JP 11773875 A JP11773875 A JP 11773875A JP S5242747 A JPS5242747 A JP S5242747A
- Authority
- JP
- Japan
- Prior art keywords
- trolley line
- measuring
- abrasion wear
- light
- abrasion
- 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
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
PURPOSE: To accurately measure the abrasion wear of a trolley line by scanning the sliding surface of the trolley line with beams of light and detect the reflected feedback flux of light.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11773875A JPS5242747A (en) | 1975-10-01 | 1975-10-01 | Device for measuring the abrasion wear of a trolley line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11773875A JPS5242747A (en) | 1975-10-01 | 1975-10-01 | Device for measuring the abrasion wear of a trolley line |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5242747A true JPS5242747A (en) | 1977-04-02 |
JPS5515643B2 JPS5515643B2 (en) | 1980-04-25 |
Family
ID=14719060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11773875A Granted JPS5242747A (en) | 1975-10-01 | 1975-10-01 | Device for measuring the abrasion wear of a trolley line |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5242747A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63144207A (en) * | 1986-12-08 | 1988-06-16 | Fuji Electric Co Ltd | Optical length measuring instrument |
JPH0419503A (en) * | 1990-02-26 | 1992-01-23 | Railway Technical Res Inst | Method for measuring wear of trolley wire |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0454628Y2 (en) * | 1985-06-03 | 1992-12-22 | ||
JPS615487A (en) * | 1985-06-05 | 1986-01-11 | Hitachi Maxell Ltd | Tape cartridge |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4855758A (en) * | 1971-11-10 | 1973-08-04 |
-
1975
- 1975-10-01 JP JP11773875A patent/JPS5242747A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4855758A (en) * | 1971-11-10 | 1973-08-04 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63144207A (en) * | 1986-12-08 | 1988-06-16 | Fuji Electric Co Ltd | Optical length measuring instrument |
JPH0419503A (en) * | 1990-02-26 | 1992-01-23 | Railway Technical Res Inst | Method for measuring wear of trolley wire |
Also Published As
Publication number | Publication date |
---|---|
JPS5515643B2 (en) | 1980-04-25 |
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