FR2739924A1 - Optical device for determining object vertical axis - Google Patents
Optical device for determining object vertical axis Download PDFInfo
- Publication number
- FR2739924A1 FR2739924A1 FR9512548A FR9512548A FR2739924A1 FR 2739924 A1 FR2739924 A1 FR 2739924A1 FR 9512548 A FR9512548 A FR 9512548A FR 9512548 A FR9512548 A FR 9512548A FR 2739924 A1 FR2739924 A1 FR 2739924A1
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- FR
- France
- Prior art keywords
- frame
- optical
- optical axis
- cédentes
- point
- 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.)
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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
- G01C15/10—Plumb lines
- G01C15/105—Optical plumbing
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Telescopes (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
La présente invention a pour objet un disposXtif, dit "plomb optique" destiné à déterminer l'aplomb d'un objet situé au dessus de Lui, avec une créc sion équivalente à elle d'un Cil à plomb. The subject of the present invention is a device, called an "optical plummet" intended to determine the balance of an object situated above it, with a crec sion equivalent to that of a plumb eyelash.
Le but de i'invention est de proposer un instrument qui permette à l'utilisateur de déterminer l'aplomb d'un objet situé bien au-dessus de lui, par exemple rebord de toiture, fil de transport de l'électricité, luminaire, etc.. sans avoir à laisser pendre un fil à plomb depuis l'objet, qui soit facilement réglable sur le site d'utilisation en cas ae déréglage, et qui ne nécessite pas de ormation particulXère. The aim of the invention is to propose an instrument which allows the user to determine the balance of an object situated well above him, for example roof edge, electricity transport wire, light fixture, etc. without having to allow a plumb line to hang from the object, which is easily adjustable on the site of use in the event of adjustment, and which does not require any particular training.
Selon I'invention un dispositif, dit "plomb optique" destiné à déterminer l'aplomb d'.ln objet situé au dessus de lui, est caractérisé dans sa généralité en ce qu'il comprend un bâti allongé supportant au voisinage de l'une, dite supérieure, de ses extrémités, un système de visée à optique centrée sur un axe optique, bâti dont l'autre extrémité dite inférieure est conformée en "pointe", un organe support sur lequel le bâti est articulé de façon omnidirectionnelle, et en ce que le dit axe optique est coli néaire de l'axe gravitationne du jati passant par la pointe d'extrémité. According to the invention, a device, known as an "optical plummet" intended to determine the balance of an object situated above it, is characterized in its generality in that it comprises an elongated frame supporting in the vicinity of one , called upper, from its ends, an optical sighting system centered on an optical axis, frame of which the other so-called lower end is shaped as a "point", a support member on which the frame is articulated in an omnidirectional manner, and in what the said optical axis is related to the gravitational axis of the jati passing through the end point.
-- résulte de ces dispositions que, dès lors que l'axe optique a été amené en correspondance avec l'objet, à travers le système de visée, la pointe est à la verticale, et normalement très proche, du point d'aplomb au sol. - results from these provisions that, as soon as the optical axis has been brought into correspondence with the object, through the sighting system, the point is vertical, and normally very close, from the point of plumb to the ground.
L'invention sera mieux comprise à la description qui va être faite d'une forme particulière de réalisation, avec le dessin de la figure annexé qui est une illustration schématique d'un "plomb optique" de l'invention. The invention will be better understood from the description which will be given of a particular embodiment, with the drawing of the appended figure which is a schematic illustration of an "optical plummet" of the invention.
Sur la figure 1, le "plomb optique" de l'invention destiné à déterminer l'aplomb 20 d'un objet 21 situé au dessus de lui, comprend un bâti 1 allongé tubulaire, supportant au voisinage de l'une 2, dite supérieure, de ses extrémités, un système de visée 3 à optique centrée sur un axe optique 4, bâti dont l'autre extrémité dite inférieure est conformée en "pointe" 5, un organe support 7 sur lequel le bâti est articulé de façon omnidirectionnelle. In FIG. 1, the "optical plummet" of the invention intended to determine the plumb 20 of an object 21 situated above it, comprises an elongated tubular frame 1, supporting in the vicinity of one 2, called the upper , from its ends, an optical sighting system 3 centered on an optical axis 4, frame of which the other so-called lower end is shaped as a "point" 5, a support member 7 on which the frame is articulated in an omnidirectional manner.
Dans le dispositif représenté, l'articulation omnidirectionnelle 7 du bâti sur l'organe support est du type "à la Cardan" et l'organe support lui-même est constitué par un manchon tubulaire 25 entourant le bâti et formant poignée. In the device shown, the omnidirectional articulation 7 of the frame on the support member is of the "Cardan joint" type and the support member itself is constituted by a tubular sleeve 25 surrounding the frame and forming a handle.
On remarque que l'axe optique 4 est colinéaire de l'axe gravitationnel 6 du bâti passant par la pointe d'extrémité 5,
Le système de visée optique 3 comprend, le long de l'axe optique 4, un premier groupe achromatique de lentilles dit objectif frontal 10 un prisme de redressement gauche-droite 11 de l'image, un second groupe achromatique de lentilles dit objectif collecteur 12 un miroir 13 de renvoi à 90", un écran 14 en verre dépoli comportant un réticule, destiné à recevoir l'image focalisée par la collecteur, une loupe 15 destinée à grossir pour l'ob- servateur 16 l'image formée sur l'écran.It is noted that the optical axis 4 is collinear with the gravitational axis 6 of the frame passing through the end point 5,
The optical sighting system 3 comprises, along the optical axis 4, a first achromatic group of lenses called the front objective 10 a left-right rectification prism 11 of the image, a second achromatic group of lenses called the collecting objective 12 a mirror 13 returning to 90 ", a screen 14 in frosted glass comprising a reticle, intended to receive the image focused by the collector, a magnifying glass 15 intended to magnify for the observer 16 the image formed on the screen.
Le dispositif comporte des moyens de réglage de la colinéarité des dits axes gravitationnel d'une part, et optique d'autre part, constitués par un couple de masselottes 30,31, vissables dans des ajutages tels que 32, suivant des directions grosso modo perpendiculaires entre elle et perpendiculaires aux axes précités. The device comprises means for adjusting the collinearity of said gravitational axes on the one hand, and optical axes on the other hand, constituted by a pair of weights 30, 31, screwable in nozzles such as 32, in roughly perpendicular directions between it and perpendicular to the aforementioned axes.
Suivant une variante non représentée, le manchon constitutif de la poignée est lui-même supporté par un trépied, et avantageusement, le bâti est télescopique pour permettre l'utilisation du dispositif par un utilisateur qui soit a un genou au sol, soit se tient debout, et permettre de placer aisément la pointe en contact avec le sol. According to a variant not shown, the sleeve constituting the handle is itself supported by a tripod, and advantageously, the frame is telescopic to allow the use of the device by a user who is either kneeling on the ground or standing , and allow to easily place the tip in contact with the ground.
Pour utiliser convenablement le "plomb optique" il faut se placer sous le point objet dont on veut determiner l'aplomb, puis il faut déplacer le dipsitif horizontalement jusqu'à ce que l'image de l'objet coïncide avec le réticule; la pointe inférieure du dispositif indique alors la trace au sol de la verticale de l'objet lisé, trace que l'on peut alors :natéralser. To use the "optical plummet" properly, you have to place yourself under the object point whose plumbness you want to determine, then you have to move the device horizontally until the image of the object coincides with the reticle; the lower point of the device then indicates the trace on the ground of the vertical of the object read, a trace that can then be: nateral
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9512548A FR2739924B1 (en) | 1995-10-16 | 1995-10-16 | OPTICAL DEVICE, SAID "OPTICAL LEAD", FOR DETERMINING THE APPLOMB OF A HIGH OBJECT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9512548A FR2739924B1 (en) | 1995-10-16 | 1995-10-16 | OPTICAL DEVICE, SAID "OPTICAL LEAD", FOR DETERMINING THE APPLOMB OF A HIGH OBJECT |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2739924A1 true FR2739924A1 (en) | 1997-04-18 |
FR2739924B1 FR2739924B1 (en) | 1999-08-27 |
Family
ID=9483877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9512548A Expired - Fee Related FR2739924B1 (en) | 1995-10-16 | 1995-10-16 | OPTICAL DEVICE, SAID "OPTICAL LEAD", FOR DETERMINING THE APPLOMB OF A HIGH OBJECT |
Country Status (1)
Country | Link |
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FR (1) | FR2739924B1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE453778C (en) * | 1925-07-30 | 1928-04-14 | Hans Cronjaeger | Marking disc for the optical plumbing process |
CH476983A (en) * | 1966-04-08 | 1969-08-15 | Commissariat Energie Atomique | Device for checking the vertical alignment of two points located at different levels |
US3475101A (en) * | 1966-03-14 | 1969-10-28 | Elton E Jeffery Sr | Optical plumb including means to level |
US3505739A (en) * | 1967-12-22 | 1970-04-14 | William C Abrams | Apparatus for transferring floor to ceiling markings |
US4106207A (en) * | 1976-08-09 | 1978-08-15 | Vernon Hugo Boyett | Point to point self-leveling plumbing device |
US5163229A (en) * | 1991-09-05 | 1992-11-17 | Cantone Giovanni F | Plumb and horizontal locating device |
-
1995
- 1995-10-16 FR FR9512548A patent/FR2739924B1/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE453778C (en) * | 1925-07-30 | 1928-04-14 | Hans Cronjaeger | Marking disc for the optical plumbing process |
US3475101A (en) * | 1966-03-14 | 1969-10-28 | Elton E Jeffery Sr | Optical plumb including means to level |
CH476983A (en) * | 1966-04-08 | 1969-08-15 | Commissariat Energie Atomique | Device for checking the vertical alignment of two points located at different levels |
US3505739A (en) * | 1967-12-22 | 1970-04-14 | William C Abrams | Apparatus for transferring floor to ceiling markings |
US4106207A (en) * | 1976-08-09 | 1978-08-15 | Vernon Hugo Boyett | Point to point self-leveling plumbing device |
US5163229A (en) * | 1991-09-05 | 1992-11-17 | Cantone Giovanni F | Plumb and horizontal locating device |
Also Published As
Publication number | Publication date |
---|---|
FR2739924B1 (en) | 1999-08-27 |
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