IT1294991B1 - Livella a bolla d'aria per mettere a piombo superfici orizzontali o verticali - Google Patents

Livella a bolla d'aria per mettere a piombo superfici orizzontali o verticali

Info

Publication number
IT1294991B1
IT1294991B1 IT97MI002038A ITMI972038A IT1294991B1 IT 1294991 B1 IT1294991 B1 IT 1294991B1 IT 97MI002038 A IT97MI002038 A IT 97MI002038A IT MI972038 A ITMI972038 A IT MI972038A IT 1294991 B1 IT1294991 B1 IT 1294991B1
Authority
IT
Italy
Prior art keywords
plumbing
horizontal
vertical surfaces
spirit level
spirit
Prior art date
Application number
IT97MI002038A
Other languages
English (en)
Inventor
Duane Zugel
Original Assignee
Kapro Ind 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=IT1294991(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kapro Ind Ltd filed Critical Kapro Ind Ltd
Publication of ITMI972038A1 publication Critical patent/ITMI972038A1/it
Application granted granted Critical
Publication of IT1294991B1 publication Critical patent/IT1294991B1/it

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)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Road Signs Or Road Markings (AREA)
  • Telescopes (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Toys (AREA)
  • Facsimile Scanning Arrangements (AREA)
IT97MI002038A 1996-12-12 1997-09-05 Livella a bolla d'aria per mettere a piombo superfici orizzontali o verticali IT1294991B1 (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ITMI972038A1 ITMI972038A1 (it) 1999-03-05
IT1294991B1 true IT1294991B1 (it) 1999-04-27

Family

ID=21866376

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97MI002038A IT1294991B1 (it) 1996-12-12 1997-09-05 Livella a bolla d'aria per mettere a piombo superfici orizzontali o verticali

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
AU2919895A (en) * 1994-07-22 1996-02-22 Lumako Ag Device for monitoring the drilling angle in the free use of a hand drill

Also Published As

Publication number Publication date
JP2001506007A (ja) 2001-05-08
GB2321520A (en) 1998-07-29
WO1998026251A1 (en) 1998-06-18
GB9718016D0 (en) 1997-10-29
AU4793397A (en) 1998-07-03
GB2321520B (en) 2001-07-04
AU726816B2 (en) 2000-11-23
BE1011613A3 (fr) 1999-11-09
IL130288A0 (en) 2000-06-01
FR2757268A1 (fr) 1998-06-19
IL130288A (en) 2003-05-29
FR2757268B1 (fr) 2000-08-11
DE29703035U1 (de) 1997-04-10
ITMI972038A1 (it) 1999-03-05
CN1624424A (zh) 2005-06-08

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Legal Events

Date Code Title Description
0001 Granted