WO2002027271A1 - Device for fixing a bubble level vial - Google Patents
Device for fixing a bubble level vial Download PDFInfo
- Publication number
- WO2002027271A1 WO2002027271A1 PCT/FR2001/002966 FR0102966W WO0227271A1 WO 2002027271 A1 WO2002027271 A1 WO 2002027271A1 FR 0102966 W FR0102966 W FR 0102966W WO 0227271 A1 WO0227271 A1 WO 0227271A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vial
- fixing
- holes
- level
- ribs
- Prior art date
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
- G01C9/28—Mountings
Definitions
- the present invention relates, in general, to the field of spirit levels, and more particularly relates to an adjustable fixing device for the vial, called vertical or round vial, of a spirit level.
- Spirit levels are instruments for checking the horizontality or verticality of a planar element. Usually, these levels use vials partially filled with a liquid, such as water, and containing an air bubble. The level indicates a horizontal or vertical position when the air bubble is between two marks, traced on the flask.
- such a spirit level has two vials, designated respectively as horizontal vial and vertical vial, which are carried by the same elongated body and which thus make it possible to carry out, using a single instrument , horizontality checks on the one hand, and verticality checks on the other.
- the horizontal vial is usually an elongated vial, located halfway along the body of the spirit level.
- This vial is placed in a corresponding housing of the level body, and it can be fixed to the level body by means of two screws, which respectively pass through the end regions of the vial.
- the main problem encountered when screwing this flask lies in the fragility of the transparent material that composes it.
- Some manufacturers have solved this problem by holding the transparent part of the vial, at its ends, by semi-rigid plastic parts, glued to the ends of the vial.
- Other manufacturers have provided two plates coming, on one side, bearing on the flask, and on the other side in a reservation made in the body of the level.
- the vertical vial As for the vertical vial, this is usually presented as a round vial, placed in a corresponding circular housing formed in the level body, at a point located between the horizontal vial and one end of the level body.
- the transparent part of such a round vial is currently presented as a completely cylindrical outer body allowing, during the manufacture of the level, an assembly of said vial in an angular position which must be adjustable, to take account of the imperfections of the level body, in particular in the case of an aluminum body obtained by a foundry process.
- this vial is generally glued to the body of the level.
- This method of adjusting and fixing the vertical vial has a drawback: as a result of a shock, the vial can come off and separate from the level body, and its initial adjustment is then lost.
- the flask is held by tight adjustment in a corresponding opening in the level body, this flask being covered with transparent protective plates, which do not ensure its fixing, these plates being fixed by means of screws directly on the body of the spirit level.
- the flask is placed in a housing consisting of a ring and a cup, connected by means of screws, but the fixing is carried out by elastic clamping on one of the edges of the opening of the level body that receives the vial.
- the present invention aims to eliminate the drawbacks described above, by providing an improved fixing device for a vial, and more particularly for the vertical vial or "round vial", this device making it possible to easily adjust and fix the angular position of said vial. , without risk of adjustment during shocks, the proposed solution being particularly simple and economical.
- the fixing device, object of the invention for the so-called vertical vial or round vial of a spirit level, in particular a level having an elongated body provided with a housing receiving a horizontal vial and a substantially circular opening receiving the vertical vial, essentially comprises: - on the body of the bubble level, more particularly on two opposite sides of the abovementioned opening, two opposite ribs each having a hole or a notch,
- each rib located in the median plane of the level body, has the shape of a segment of a circle, and has in its middle an open notch towards the center of the opening receiving the vial.
- the two ribs can be made in one piece, by molding, with the body of the level.
- the washers comprise a first washer having two diametrically opposite through holes, and a second washer having two diametrically opposite studs, in which respective holes are provided, these studs being provided for to be engaged in the holes or notches of the two ribs, while the tightening means comprise two screws, introduced through the holes of the first washer and tightened in the holes of the second washer.
- the two pins of the second washer cross with a clearance the holes or notches of the two ribs, to allow the angular adjustment of the two washers, therefore of the vertical vial held between these washers.
- the second washer may also include studs or bores, such as bores extending its two aforementioned holes and opening out, which allows its angular adjustment using a tool.
- the device which is the subject of the invention is more particularly applicable to the fixing of a vertical vial having an oblong external shape, with two flat and parallel lateral faces, connected by two rounded end faces, the flat lateral faces. taking place, respectively, opposite the two ribs of the aforementioned opening.
- the device for fixing the vertical vial, object of the invention has the following advantages: -
- This device is of a simple and economical embodiment, the two necessary ribs being able to come from molding with the body of the level bubble, for example made of aluminum, and the two washers being made of molded synthetic material, which eliminates any machining operation of the level body.
- this vertical vial can be precisely adjusted, during the manufacture of the level or subsequently for a position correction.
- the principle of the invention also allows optimal use of the volume of the circular opening formed in the body of the level, the two ribs and the clamping screws being located laterally, and the vial, thanks to its oblong shape, occupying the remaining from the opening, extending in the direction longitudinal of its cavity filled with liquid (unlike a usual vertical vial, which is completely cylindrical and leaves no room for fixing means).
- the adjustable fixing device for the vertical vial can be combined with a particular adjustable fixing device for the horizontal vial of the same spirit level, placed in a housing in the level body, this latter device comprising a cradle in elastic material, surmounted by a thin bottom with two massive ends pierced with through holes receiving two fixing and adjusting screws, screwed into corresponding holes in the level body.
- a device is particularly simple, economical and quick to install, in comparison with current systems, while allowing easy adjustment by compression of the cradle in elastic material, such as rubber, serving as a support for the horizontal vial.
- Figure 1 is an overall perspective view of a spirit level provided with the object of the invention device
- Figure 2 is a detail view, in exploded perspective, of the middle part of such a spirit level, showing the elements of the devices for fixing the horizontal and vertical vials;
- Figure 3 is another perspective view of the middle part of this spirit level, the horizontal and vertical vials being shown in the mounted position;
- Figure 4 shows, in front view, the part of the body of the spirit level comprising the housing of the vertical vial
- Figure 5 is a sectional view along V-V of Figure 4, supplemented by the vertical vial and its fastening elements, in exploded representation;
- Figure 6 is a sectional view corresponding to Figure 5, but showing the assembly in the assembled position
- Figure 7 is a partial view in longitudinal section of the spirit level, in its part comprising the horizontal vial.
- the spirit level has an elongated body 2, generally metallic, for example of cast aluminum.
- Body 2 of the spirit level has:
- the body 2 of the level carries at mid-length a horizontal vial 5.
- This body 2 also carries, at a point situated between the horizontal vial 5 and one of its ends, a vertical vial 6.
- the horizontal vial 5 has a part 7 made of transparent material, delimiting an elongated cavity 8 partially filled with a liquid and containing an air bubble 9, the vial 5 having two marks (not shown) between which the air bubble must be brought 9.
- the vertical vial 6 has a part 10 of transparent material, delimiting an elongated cavity 1 1 partially filled with a liquid and containing a bubble air, this vial 6 also comprising two marks between which the air bubble must be brought.
- the vertical vial 6 has, externally, an oblong shape extending in the longitudinal direction of its cavity 1 1.
- the part 10 of transparent material of the vial 6 has two flat side faces 12 and 13, mutually parallel, connected by two rounded end faces 14 (see also Figure 2).
- the body 2 of the bubble level has a housing 15, clearly visible in FIG. 4, which appears as a through opening of generally circular shape.
- this housing 15 On two opposite sides of this housing 15, in the median plane of the body 2, are formed two opposite ribs 16 and 17, each in the form of a segment of a circle.
- Each rib 16 or 17 has, in its middle, a notch 18 or 19 respectively, open towards the center of the housing 15.
- the device for fixing the vertical vial 6 comprises two complementary washers 20 and 21, which can be made of molded synthetic material, these two washers 20 and 21 being clearly visible in FIG. 5.
- Each washer 20 or 21 has a large central opening, in profile corresponding to that of the vial 6, with a rim capable of retaining this vial 6.
- the first washer 20 has two through holes 22 and 23, diametrically opposite.
- the second washer 21 has two studs 24 and 25, diametrically opposite, in which are provided respective holes 26 and 27. These holes 26 and 27 open to the outside, on the side opposite to the studs 24 and 25, by respective small holes 28 and 29.
- the vertical vial 6 For fixing the vertical vial 6, the latter is engaged in the housing 15 of the body 2, between the two ribs 16 and 17.
- the two washers 20 and 21 are brought on either side of the vial 6, and are close to each other, the pins 24 and 25 of the washer 21 being engaged through the respective notches 18 and 19 of the two ribs 16 and 17 (see Figure 6).
- the two holes 26 and 27 of the washer 21 are matched with the two holes 22 and 23 of the washer 20.
- Two screws 30 and 31 are introduced respectively through the holes 22 and 23 of the first washer 20, and are tightened in the holes 26 and 27 of the second washer 21, so as to maintain the assembly, the two screws 30 and 31 advantageously being self-tapping screws.
- the two pins 24 and 25 of the washer 21 passing through the notches 18 and 19 with a certain clearance, the angular position of the assembly of the two washers 20 and 21, therefore of the vertical vial 6 itself, is made adjustable.
- the adjustment can be carried out using a tool provided with lugs to be introduced into the two small holes 28 and 29 of the washer 21. Once this adjustment has been made, the two screws 30 and 31 can be tightened more tightly, in order to permanently immobilize the vertical vial 6 in its correct angular position.
- This vial 5 is received in a housing 32, formed mid-length of the body 2 of the spirit level, on the upper edge of this body 2.
- the attachment is made by means of a rubber cradle 33, surmounted by a plastic bottom of oblong shape, which is provided with two massive ends 34 and 35, pierced with respective through holes 36 and 37.
- the vial 5 is placed on this bottom, between the two massive ends 34 and 35 thereof, which have upper retaining flanges for this vial 5.
- the assembly is placed in place in the housing 32.
- Two screws 38 and 39 are introduced respectively into the two holes 36 and 37, and are screwed into corresponding holes 40 and 41 of the body 2.
- the rubber cradle 33 is more or less compressed, with the possibility of having a different compression at the two ends of the cradle 33, which allows a horizontal adjustment of the vial 5.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001291987A AU2001291987A1 (en) | 2000-09-28 | 2001-09-25 | Device for fixing a bubble level vial |
EP01972200A EP1322910A1 (en) | 2000-09-28 | 2001-09-25 | Device for fixing a bubble level vial |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR00/12388 | 2000-09-28 | ||
FR0012388A FR2814540B1 (en) | 2000-09-28 | 2000-09-28 | DEVICE FOR FIXING A VIAL FOR A BUBBLE LEVEL |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002027271A1 true WO2002027271A1 (en) | 2002-04-04 |
Family
ID=8854800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2001/002966 WO2002027271A1 (en) | 2000-09-28 | 2001-09-25 | Device for fixing a bubble level vial |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1322910A1 (en) |
AU (1) | AU2001291987A1 (en) |
FR (1) | FR2814540B1 (en) |
WO (1) | WO2002027271A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8914987B2 (en) | 2012-01-31 | 2014-12-23 | Stanley Black & Decker, Inc. | I-beam level |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11193764B2 (en) | 2019-01-17 | 2021-12-07 | Milwaukee Electric Tool Corporation | Two datum vial mounting system and method |
CN113302449A (en) | 2019-01-17 | 2021-08-24 | 米沃奇电动工具公司 | Two reference bottle installation system and method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1253357A (en) * | 1968-02-16 | 1971-11-10 | Parry & Bott Ltd | Improvements in or relating to spirit levels |
US4581828A (en) * | 1985-05-29 | 1986-04-15 | Hirsh Company | Spirit level |
DE8711516U1 (en) * | 1987-08-25 | 1987-10-08 | Stabila-Messgeraete Gustav Ullrich Gmbh & Co Kg, 6747 Annweiler, De | |
DE4315098A1 (en) * | 1992-05-06 | 1993-11-11 | Randall J Wright | Tubular leveling device and method for its manufacture |
-
2000
- 2000-09-28 FR FR0012388A patent/FR2814540B1/en not_active Expired - Fee Related
-
2001
- 2001-09-25 AU AU2001291987A patent/AU2001291987A1/en not_active Abandoned
- 2001-09-25 EP EP01972200A patent/EP1322910A1/en not_active Withdrawn
- 2001-09-25 WO PCT/FR2001/002966 patent/WO2002027271A1/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1253357A (en) * | 1968-02-16 | 1971-11-10 | Parry & Bott Ltd | Improvements in or relating to spirit levels |
US4581828A (en) * | 1985-05-29 | 1986-04-15 | Hirsh Company | Spirit level |
DE8711516U1 (en) * | 1987-08-25 | 1987-10-08 | Stabila-Messgeraete Gustav Ullrich Gmbh & Co Kg, 6747 Annweiler, De | |
DE4315098A1 (en) * | 1992-05-06 | 1993-11-11 | Randall J Wright | Tubular leveling device and method for its manufacture |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8914987B2 (en) | 2012-01-31 | 2014-12-23 | Stanley Black & Decker, Inc. | I-beam level |
Also Published As
Publication number | Publication date |
---|---|
EP1322910A1 (en) | 2003-07-02 |
FR2814540A1 (en) | 2002-03-29 |
FR2814540B1 (en) | 2003-02-21 |
AU2001291987A1 (en) | 2002-04-08 |
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