FR2394782A1 - Motor driven metal tape measure - facilitates use of long rigid tape and reduction gear allows operation by low powered motor - Google Patents
Motor driven metal tape measure - facilitates use of long rigid tape and reduction gear allows operation by low powered motorInfo
- Publication number
- FR2394782A1 FR2394782A1 FR7719055A FR7719055A FR2394782A1 FR 2394782 A1 FR2394782 A1 FR 2394782A1 FR 7719055 A FR7719055 A FR 7719055A FR 7719055 A FR7719055 A FR 7719055A FR 2394782 A1 FR2394782 A1 FR 2394782A1
- Authority
- FR
- France
- Prior art keywords
- tape
- motor
- reduction gear
- gear allows
- allows operation
- 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.)
- Pending
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
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1005—Means for controlling winding or unwinding of tapes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1005—Means for controlling winding or unwinding of tapes
- G01B2003/1023—Winding mechanisms
- G01B2003/1028—Winding mechanisms operated by electric motors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Tape Measures (AREA)
Abstract
A tape measure is fitted with an electric motor for winding in the tape after a measurement. The motor (13) is connected to the drum for the tape through a reduction gearing (12e or alternatively sprocket type drive wheel (8) which may drive the tape directly through perforations in the tape itself. The motor drive facilitates the use of a long and rigid tape of trough-section metal, and th provision of the reduction gear allows the drive to be effected by a relatively small and cheap motor.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7719055A FR2394782A1 (en) | 1977-06-16 | 1977-06-16 | Motor driven metal tape measure - facilitates use of long rigid tape and reduction gear allows operation by low powered motor |
US05/915,218 US4186490A (en) | 1977-06-16 | 1978-06-13 | Tape-type linear measuring instrument |
DE19782825974 DE2825974A1 (en) | 1977-06-16 | 1978-06-14 | TAPE MEASURE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7719055A FR2394782A1 (en) | 1977-06-16 | 1977-06-16 | Motor driven metal tape measure - facilitates use of long rigid tape and reduction gear allows operation by low powered motor |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2394782A1 true FR2394782A1 (en) | 1979-01-12 |
Family
ID=9192378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7719055A Pending FR2394782A1 (en) | 1977-06-16 | 1977-06-16 | Motor driven metal tape measure - facilitates use of long rigid tape and reduction gear allows operation by low powered motor |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2825974A1 (en) |
FR (1) | FR2394782A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2014375A (en) * | 1931-03-13 | 1935-09-17 | Frederick O Carlson | Ruler tape |
FR1513304A (en) * | 1966-09-08 | 1968-02-16 | Quenot & Cie Sarl | Linear measuring instrument with tape drive |
DE2148125A1 (en) * | 1971-09-27 | 1973-04-05 | Emil Maisch | ROLL TAPE MEASUREMENT WITH ELECTRIC MOTOR DRIVE FOR REWINDING AND UNWINDING |
-
1977
- 1977-06-16 FR FR7719055A patent/FR2394782A1/en active Pending
-
1978
- 1978-06-14 DE DE19782825974 patent/DE2825974A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2014375A (en) * | 1931-03-13 | 1935-09-17 | Frederick O Carlson | Ruler tape |
FR1513304A (en) * | 1966-09-08 | 1968-02-16 | Quenot & Cie Sarl | Linear measuring instrument with tape drive |
DE2148125A1 (en) * | 1971-09-27 | 1973-04-05 | Emil Maisch | ROLL TAPE MEASUREMENT WITH ELECTRIC MOTOR DRIVE FOR REWINDING AND UNWINDING |
Also Published As
Publication number | Publication date |
---|---|
DE2825974A1 (en) | 1979-01-04 |
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