FR321058A - Protractor level, wheel-star system, with ball bearing pivot - Google Patents

Protractor level, wheel-star system, with ball bearing pivot

Info

Publication number
FR321058A
FR321058A FR321058DA FR321058A FR 321058 A FR321058 A FR 321058A FR 321058D A FR321058D A FR 321058DA FR 321058 A FR321058 A FR 321058A
Authority
FR
France
Prior art keywords
wheel
ball bearing
star system
bearing pivot
protractor level
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Ouradou Benjamin
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
Application granted granted Critical
Publication of FR321058A publication Critical patent/FR321058A/en
Expired 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
    • G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • G01C9/26—Details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR321058D 1902-05-16 1902-05-16 Protractor level, wheel-star system, with ball bearing pivot Expired FR321058A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR321058T 1902-05-16

Publications (1)

Publication Number Publication Date
FR321058A true FR321058A (en) 1902-12-27

Family

ID=1371515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR321058D Expired FR321058A (en) 1902-05-16 1902-05-16 Protractor level, wheel-star system, with ball bearing pivot

Country Status (1)

Country Link
FR (1) FR321058A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4611407A (en) * 1983-01-13 1986-09-16 Gorp Keith N Van Pivot assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4611407A (en) * 1983-01-13 1986-09-16 Gorp Keith N Van Pivot assembly

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