FR2757268B1 - Niveau a bulle d'air - Google Patents

Niveau a bulle d'air

Info

Publication number
FR2757268B1
FR2757268B1 FR9713742A FR9713742A FR2757268B1 FR 2757268 B1 FR2757268 B1 FR 2757268B1 FR 9713742 A FR9713742 A FR 9713742A FR 9713742 A FR9713742 A FR 9713742A FR 2757268 B1 FR2757268 B1 FR 2757268B1
Authority
FR
France
Prior art keywords
air bubble
bubble level
level
air
bubble
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 - Lifetime
Application number
FR9713742A
Other languages
English (en)
French (fr)
Other versions
FR2757268A1 (fr
Inventor
Duane Zugel
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.)
Kapro Industries Ltd
Original Assignee
Kapro Industries Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21866376&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2757268(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kapro Industries Ltd filed Critical Kapro Industries Ltd
Publication of FR2757268A1 publication Critical patent/FR2757268A1/fr
Application granted granted Critical
Publication of FR2757268B1 publication Critical patent/FR2757268B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01C9/32—Means for facilitating the observation of the position of the bubble, e.g. illuminating means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Road Signs Or Road Markings (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Toys (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Telescopes (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR9713742A 1996-12-12 1997-10-29 Niveau a bulle d'air Expired - Lifetime FR2757268B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3270296P 1996-12-12 1996-12-12

Publications (2)

Publication Number Publication Date
FR2757268A1 FR2757268A1 (fr) 1998-06-19
FR2757268B1 true FR2757268B1 (fr) 2000-08-11

Family

ID=21866376

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9713742A Expired - Lifetime FR2757268B1 (fr) 1996-12-12 1997-10-29 Niveau a bulle d'air

Country Status (10)

Country Link
JP (1) JP2001506007A (it)
CN (1) CN1624424A (it)
AU (1) AU726816B2 (it)
BE (1) BE1011613A3 (it)
DE (1) DE29703035U1 (it)
FR (1) FR2757268B1 (it)
GB (1) GB2321520B (it)
IL (1) IL130288A (it)
IT (1) IT1294991B1 (it)
WO (1) WO1998026251A1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0606924D0 (en) 2006-04-07 2006-05-17 Sparrow Paul A Coloured-illuminated sonic level, set square and angle finder
DE102006054144A1 (de) * 2006-11-15 2008-05-21 Triuso-Qualitätswerkzeuge GmbH Wasserwaage
GB0724065D0 (en) * 2007-12-10 2008-01-16 Sparrow Paul A A spirit level
DE102008056005B3 (de) 2008-11-05 2010-04-22 Carsten Michalski Elektrooptisches Messsystem
JP2011133346A (ja) * 2009-12-24 2011-07-07 Disco Abrasive Syst Ltd 水準器
GB2590371A (en) 2019-12-10 2021-06-30 Vitec Group Plc Spirit level for camera tripods

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE306455C (it) *
GB212823A (en) * 1923-08-09 1924-03-20 Henry Thomas Tallack An improved reflecting system for use with tubular spirit levels
US2133598A (en) * 1936-03-04 1938-10-18 Jr John E Torbert Mirror for spirit levels
GB503065A (en) * 1938-09-01 1939-03-30 Gruber Hans Improvements in levels and inclinometers
US2466829A (en) * 1946-07-16 1949-04-12 Sprinkel Ernest Double bubble l-shaped mirrored level
US2750677A (en) * 1951-12-20 1956-06-19 Wirth Armin Bubble level
US2727314A (en) * 1952-12-09 1955-12-20 Thomas J Dossie Combination spirit level and plumb
US2791036A (en) * 1956-02-07 1957-05-07 Alexander A Gericke Liquid level
US3064535A (en) * 1959-01-13 1962-11-20 Roy N Anderson Level with mirror
US4103430A (en) * 1977-08-31 1978-08-01 Schrader Joseph F Viewing device for a bubble level
GB2162947A (en) * 1984-08-06 1986-02-12 Brian Edward Parker Level
WO1996003258A1 (de) * 1994-07-22 1996-02-08 Lumako Ag Vorrichtung zur kontrolle des bohrwinkels beim freien einsatz einer handbohrmaschine

Also Published As

Publication number Publication date
AU4793397A (en) 1998-07-03
IT1294991B1 (it) 1999-04-27
IL130288A0 (en) 2000-06-01
GB9718016D0 (en) 1997-10-29
GB2321520B (en) 2001-07-04
DE29703035U1 (de) 1997-04-10
IL130288A (en) 2003-05-29
CN1624424A (zh) 2005-06-08
BE1011613A3 (fr) 1999-11-09
AU726816B2 (en) 2000-11-23
ITMI972038A1 (it) 1999-03-05
WO1998026251A1 (en) 1998-06-18
GB2321520A (en) 1998-07-29
JP2001506007A (ja) 2001-05-08
FR2757268A1 (fr) 1998-06-19

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Legal Events

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Year of fee payment: 20