FR2422139A1 - Vernier caliper with comparator amplifying system - has linear movement related to sine of ramp angle - Google Patents

Vernier caliper with comparator amplifying system - has linear movement related to sine of ramp angle

Info

Publication number
FR2422139A1
FR2422139A1 FR7810704A FR7810704A FR2422139A1 FR 2422139 A1 FR2422139 A1 FR 2422139A1 FR 7810704 A FR7810704 A FR 7810704A FR 7810704 A FR7810704 A FR 7810704A FR 2422139 A1 FR2422139 A1 FR 2422139A1
Authority
FR
France
Prior art keywords
sine
linear movement
amplifying system
finger
vernier caliper
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
Application number
FR7810704A
Other languages
French (fr)
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.)
QUELLIEN YVES
Original Assignee
QUELLIEN YVES
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 QUELLIEN YVES filed Critical QUELLIEN YVES
Priority to FR7810704A priority Critical patent/FR2422139A1/en
Publication of FR2422139A1 publication Critical patent/FR2422139A1/en
Pending 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
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/20—Slide gauges
    • 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
    • G01B3/002—Details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

The ramp in place of rack and pinion on verner caliper has mechanical or electronic comparator amplifying system where linear movement is related to the sine of the angle. The caliper comprises a fixed part (1) in which an oblique slot (7) is formed. A slid (2) assembly retained by a cover (6) and the fixed part has a slot (8) allowing a finger (3) to move in it without play. The finger is driven by a pin (4) which enters the slot with limited play. A spring (5) maintains contact without play to allow perpendicular movement of finger w.r.t. longitudinal movement of slide.
FR7810704A 1978-04-05 1978-04-05 Vernier caliper with comparator amplifying system - has linear movement related to sine of ramp angle Pending FR2422139A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7810704A FR2422139A1 (en) 1978-04-05 1978-04-05 Vernier caliper with comparator amplifying system - has linear movement related to sine of ramp angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7810704A FR2422139A1 (en) 1978-04-05 1978-04-05 Vernier caliper with comparator amplifying system - has linear movement related to sine of ramp angle

Publications (1)

Publication Number Publication Date
FR2422139A1 true FR2422139A1 (en) 1979-11-02

Family

ID=9206987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7810704A Pending FR2422139A1 (en) 1978-04-05 1978-04-05 Vernier caliper with comparator amplifying system - has linear movement related to sine of ramp angle

Country Status (1)

Country Link
FR (1) FR2422139A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE263359C (en) * 1912-12-31 1913-08-07
CH465897A (en) * 1966-11-02 1968-11-30 Elasa S A Device for plotting the evolution of a quantity on a diagram and use of such a device
FR2062315A5 (en) * 1969-09-29 1971-06-25 Pav Prazisions Apparateb
GB1393214A (en) * 1972-04-08 1975-05-07 Numata Y Vernier calipers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE263359C (en) * 1912-12-31 1913-08-07
CH465897A (en) * 1966-11-02 1968-11-30 Elasa S A Device for plotting the evolution of a quantity on a diagram and use of such a device
FR2062315A5 (en) * 1969-09-29 1971-06-25 Pav Prazisions Apparateb
GB1393214A (en) * 1972-04-08 1975-05-07 Numata Y Vernier calipers

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