GB2359362A - Laser level - Google Patents

Laser level Download PDF

Info

Publication number
GB2359362A
GB2359362A GB0003548A GB0003548A GB2359362A GB 2359362 A GB2359362 A GB 2359362A GB 0003548 A GB0003548 A GB 0003548A GB 0003548 A GB0003548 A GB 0003548A GB 2359362 A GB2359362 A GB 2359362A
Authority
GB
United Kingdom
Prior art keywords
level
bracket
horizontal
laser
target
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.)
Withdrawn
Application number
GB0003548A
Other versions
GB0003548D0 (en
Inventor
Philip Harrison
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
Priority to GB0003548A priority Critical patent/GB2359362A/en
Publication of GB0003548D0 publication Critical patent/GB0003548D0/en
Publication of GB2359362A publication Critical patent/GB2359362A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means
    • G01C15/008—Active optical surveying means combined with inclination sensor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Optical Distance (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

A hinged bracket, in which the vertical side 2 utilises magnets 1 to fix the brackets to any upright steel structure 5. The horizontal side 3 is adjustable in the vertical plane and is held in any position by a spring screw 6. The horizontal side also includes a standard quarter inch tripod screw (7) this holds a mini laser level 4 in place. When the horizontal part 3 has been set level a datum mark for further work is provided by the laser beam on a target (9), which can be fixed to any steel surface by the magnet (11).

Description

2359362 1 Steel Leveller This invention relates to the erection of steel
brackets. steel gate posts, steel fence posts and any other structures to existing steelwork; where structures need to set at the same horizontal level.
The problem arises that a conventional spirit level is not long enough to bridge the gap between the structures, and the structures do not provide a level surface to mount a conventional laser leveller.
This invention provides an adjustable level surface that can easily be attached to any steel structure, together with a n adjustable target. This allows a readily available mini laser level to provide accurate level measurements over distances up to 50 metres.
This invention provides an adjustable bracket, with a row of magnets to the vertical edge, by raising or lowering the horizontal edge, a level surface is obtained for the mini laser leveller. The target is also mounted on magnets so that it can easily be fitted to the other structure.
The bracket is preferably made of metal for robustness, but could be made from a plastic material. A standard 1/4inch tripod screw is fitted to the horizontal to hold the mini laser in position Figure 1, shows a side view of the bracket and target, with mini laser in position.
Figure 2, shows a three dimensional view of the bracket, showmig the tripod screw.
Figure 3, shows the target being used on the vertical edge of the structure - Figure 4, shows the target beffig used on the horizontal edge of the structure.
As shown in Fig. 1, the vertical part of the bracket (2), is secured to the steelwork or fixture (5) by magnets (1). The horizontal part of the bracket (3) is secured by a fixing screw with spring washer to allow movement in the horizontal plane, but able to hold the horizontal bracket in selected position.
2 Figure 2, is a three dimensional view of the bracket showing the angle construction and a tripod screw (7) which holds the mini laser leveller in position.
Figure 3, shows the target fixed to the vertical edge of steel (8) by the magnets (11).
Figure 4, shows the target fixed to the horizontal surface of steel (8) by magnets (11).
When the bracket is secured to the steelwork (5) the horizontal part (3) can be raised or lowered so that the bubble (12) shows the laser leveller (4) is level. The spring screw (6) holds the bracket in this position. The laser leveller can be rotated on the tripod screw (7) to aim at the target.
Figure 5, the bracket assembly is fixed to the steel end plate (14) of a roller shutter door, by the magnets (1), so that the top of the horizontal bracket is level with the required level to be measured, i.e. top of the end plate. The horizontal bracket (3) is then adjusted up and down until the bubble (12) shows the mini laser (4) is level.
The target is fixed to the other end plate by magnets (11) in the vertical position (Figure 3). The mark (13) is level with the top of the end plate. This endplate is then positioned so that the laser light from the mini laser level hits the target at mark (10). Both end plates are then level.
1 3

Claims (3)

  1. Claims
    A steel leveller, with a hinged bracket, the vertical edge fixes to any steelwork by magn&ic force, the horizontal side being adjustable to provide a datum level for further work a laser light providing a level point.
  2. 2. A hinged bracket as claimed in Claim 1, utilises a spring washer at the hinge to hold the bracket in any required position.
  3. 3. A hinged bracket as claimed in Claim 1 or Claim 2, where the horizontal part mcludes a standard 1/4inch tripod screw to secure a mini laser level.
    1
GB0003548A 2000-02-17 2000-02-17 Laser level Withdrawn GB2359362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0003548A GB2359362A (en) 2000-02-17 2000-02-17 Laser level

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0003548A GB2359362A (en) 2000-02-17 2000-02-17 Laser level

Publications (2)

Publication Number Publication Date
GB0003548D0 GB0003548D0 (en) 2000-04-05
GB2359362A true GB2359362A (en) 2001-08-22

Family

ID=9885702

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0003548A Withdrawn GB2359362A (en) 2000-02-17 2000-02-17 Laser level

Country Status (1)

Country Link
GB (1) GB2359362A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192254A (en) * 2013-04-18 2013-07-10 国电大渡河流域水电开发有限公司龚嘴水力发电总厂 Rotary ring adjustor and usage thereof
CN104457687A (en) * 2014-12-08 2015-03-25 上海建工集团股份有限公司 Novel laser tilt checking device and novel laser tilt checking method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1455184A (en) * 1973-02-08 1976-11-10 Trice J R Reference plane production
US5531031A (en) * 1995-01-20 1996-07-02 Green; Kevin D. Laser level and square
US5575073A (en) * 1994-02-03 1996-11-19 Stabila Messgerate Gustav Ullrich Gmbh & Co. Kg Apparatus for setting a horizontal plane by means of a level
US5983510A (en) * 1997-08-26 1999-11-16 Wu; Chyi-Yiing Three-dimensional laser levelling and angle-calibrating instrument with multiple functions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1455184A (en) * 1973-02-08 1976-11-10 Trice J R Reference plane production
US5575073A (en) * 1994-02-03 1996-11-19 Stabila Messgerate Gustav Ullrich Gmbh & Co. Kg Apparatus for setting a horizontal plane by means of a level
US5531031A (en) * 1995-01-20 1996-07-02 Green; Kevin D. Laser level and square
US5983510A (en) * 1997-08-26 1999-11-16 Wu; Chyi-Yiing Three-dimensional laser levelling and angle-calibrating instrument with multiple functions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192254A (en) * 2013-04-18 2013-07-10 国电大渡河流域水电开发有限公司龚嘴水力发电总厂 Rotary ring adjustor and usage thereof
CN104457687A (en) * 2014-12-08 2015-03-25 上海建工集团股份有限公司 Novel laser tilt checking device and novel laser tilt checking method thereof

Also Published As

Publication number Publication date
GB0003548D0 (en) 2000-04-05

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)