WO2004079425A1 - System for installing a quick-fit connector on a barrel of an optical component - Google Patents

System for installing a quick-fit connector on a barrel of an optical component Download PDF

Info

Publication number
WO2004079425A1
WO2004079425A1 PCT/FR2004/050075 FR2004050075W WO2004079425A1 WO 2004079425 A1 WO2004079425 A1 WO 2004079425A1 FR 2004050075 W FR2004050075 W FR 2004050075W WO 2004079425 A1 WO2004079425 A1 WO 2004079425A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
handle
system
characterized
setting up
axis
Prior art date
Application number
PCT/FR2004/050075
Other languages
French (fr)
Inventor
Etienne Perrot Minnot
Original Assignee
Commissariat A L'energie Atomique
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

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/026Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/14Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
    • G02B7/1822Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors comprising means for aligning the optical axis
    • G02B7/1824Manual alignment

Abstract

The system permits an operator to position and then lock the position of an optical element on the barrel (5) thereof with one operation. The barrel (5) of the optical element has a pivoting handle (11), preferably semi-circular, the two ends (12) of which rest in a bracket (3), fixed to the device on which the barrel is positioned. The rebate of the handle (11), on the side of the barrel (5), permits the application of a force acting on the bracket (3) to maintain the position of the barrel (5). The invention is of application to optical systems, such as power lasers.

Description

SYSTEM INSTALLATION AND FIXING QUICK ONE CYLINDER OPTICAL COMPONENT

DESCRIPTION

Field of the Invention

The invention relates to optical assemblies such as power lasers, and in particular the maintenance of some components, such as lenses or mirrors, and more specifically replacement of these elements.

BACKGROUND AND PROBLEM

To maintain an optical assembly, such as a laser power, it is necessary to easily perform an exchange of certain components, such as lenses or mirrors, while ensuring precise positioning and retention in the correct position of the component reattached.

A conventional solution is to mount the optical component, such as a lens or a mirror, in a holder or a frame, generally metallic, which takes the generic name of the barrel when its overall shape is cylindrical. For positioning the barrel on the optical bench of the plant, with the required accuracy, an isostatic mounting is used, so as to define independently and uniquely, the six degrees of freedom of the barrel relative to the base corresponding the optical bench. For the barrel, this isostatic mounting is conventionally performed by a short centering, a plane support and an ordinary index. However, all other mechanical arrangements that achieve an isostatic positioners are usable.

In the high precision optical systems imposing clearances, a pre-centering system can complete the centering device to facilitate handling by the operator and avoid the risk of jamming during the withdrawal or the establishment of the barrel . To this end, it has inlet chamfers and preguidance area having a large clearance, the size of areas to ensure accurate assembly is then limited to those strictly necessary to meet the mechanical strength of the assembly.

This position setting device must be completed by means for maintaining the position which can be achieved by means of a series of screws arranged in a ring on the barrel and the resultant is an axial force which presses the barrel on its mount . Resilient, pneumatic or gravity can be used for its retention position. This provision, although correct the precision level, is unsatisfactory since it is long to perform because of the number of screws and particularly by the fact that it must, in some cases, be implemented through a glove box, to meet the mounting cleanliness constraints. In the latter case, the barrel is introduced into the glove box via an airlock which reproduces the interface bindings of the barrel. This has the effect of doubling the number of assembly and disassembly made by the operator in this awkward situation. Other embodiments use a complementary movement of the frame when mounting to do this position holding. This is the case of the bayonet mount, widely used for setting goals with cameras.

A final layout used in the first mentioned installation is temporarily attach a handle to the barrel, in order to facilitate its gripping by the operator during its operation, particularly when made more difficult by the is to intervene in a glove box. This handle is not left permanently on the barrel because it interferes with the optical path of the laser. Accordingly, it is removed after surgery.

The object of the invention is to simultaneously address the problem posed by the operation of screw attachment which is long and not very ergonomic, and the problem of manipulation of the handle, particularly its removal and storage and to make this operation faster and easier.

Summary of the Invention

For this purpose, the main object of the invention is a delivery system and fixation of an optical component holder in an optical device accurately centered with respect to an optical axis and in a specified location, the device having means for centering the support, the latter having at least one handle.

According to the invention, the handle is pivotally mounted about an axis perpendicular to the direction of the optical axis, when the carrier is positioned in the determined location, and has a first end proximal to the pivot axis with a protrusion; so that it bears on the inside of a hook integral with the optical device projecting substantially parallel to the optical axis and relative to the determined location of the pivot axis of the handle at least to that outgrowth of at least the handle bears on the inside of the hook and maintains plated holder in its position on the optical device, at least when the handle is folded against the support. Thus, it is no longer necessary to remove the handle at least after use. In the raised position, the handle is used as in the original situation.

It is advantageous to complete the holding means of the barrel of the handle at least in its folded position.

They consist preferably of a notch mounted on a flexible foot.

To adjust the bearing force of at least handle, it is advantageous to complete the system of elastic means for applying the bearing force on the support.

A first embodiment of these resilient means is to use a spring around a fixed shaft relative to the optical device and on which slides the hook and pushing the hook to the determined location in the optical device.

A compression of the spring adjusting nut allows complete assembly. In a second embodiment of the resilient adjusting means, the pivot pin is slidably mounted in a direction parallel to the optical axis to compress a spring which tends to deviate the pivot axis relative to the support. In a preferred embodiment, the medium being a cylinder, at least one handle is unique and has a semicircular shape, so as not to interfere with an optical path implemented on the optical device, its pivot axis being central.

In the case where the support is rectangular, the system comprises two oppositely located handles on both sides of the optical axis.

A U-shape is also feasible to improve the ergonomics of the or handle (s), within the limit of the available space.

List of Figures

The invention and its various features and embodiments will be better understood on reading the following description which is illustrated by several figures show: Figure 1, the main embodiment of the system according to the invention;

- Figure 2, the same system of Figure 1, but seen from above or below, the handle is raised;

- Figure 3A, a detail of a first variant of the invention;

- Figure 3B, the same detail as in Figure 3A, the handle being in the folded position; 4A, a detail of a second embodiment of the invention, the handle is raised; - Figure 4B, the same description as that of Figure 4A, the handle being bent;

- Figure 5A, an isometric view of the system carrier according to a second embodiment of the invention;

- Figure 5B, an isometric view of the base of the system according to this second embodiment of the invention;

- Figure 5C, an isometric view of the assembly of the two elements shown in Figures 5A and 5B.

Detailed Description of the Invention

1 shows the entire system in its basic embodiment.

The optical device on which the barrel is mounted is symbolized by a base 1 of an optical system, preferably using a laser beam.

A determined location for the cylinder 5 is constituted by a cylindrical housing 2 in the base 1. The drum 5 comprises two cylindrical portions of different diameters. 7 is a portion of reduced diameter relative to the diameter of the housing 2. This allows the can to engage the cylinder 5 in the housing 2 without risk of jamming at the end of introduction. A shoulder 8 has an outer diameter, optionally provided with a chamfer, which corresponds to the inside diameter of the housing 2 with such a small clearance that requires precision mounting and ensures correct centering of the cylinder 5 in the housing 2. The contacting the planar face of the cylinder 5 and the housing 2 ensure the positioning of the assembly. Thus, the barrel 5 is accurately positioned and locked in five degrees of freedom. Only a rotation around an optical axis is possible. Such rotation may be determined by the presence of a mutual angular indexing of the barrel 5 and the base 1. In these conditions, the assembly is isostatic.

The base 1 has a hook 3 which is fixed so as to project perpendicularly with respect to the general plane of the base 1, that is to say in a direction parallel to the optical axis. It is noted that the hook 3 ends with a folded end 4. On the other hand, the barrel 5 has a handle 11 pivotally mounted about a pivot axis 10 perpendicular to the optical axis and parallel to the base plane 10, when cylinder 5 is mounted thereon. Thus, the handle 11 can be pivoted so as to come either fall back on the positioning portion 6 of the barrel 5, as shown in solid line, is to be erected perpendicularly to the base 1, as shown in broken lines. The handle 11 is held in its folded position, with a housing consisting of a notch 15 held by its root 14, both being integral with the cylinder 5, at the periphery of the positioning part 6. It is pointed out that the foot 14 is flexible so that all it forms with the notch 15 forms a spring latch.

This shows that, compared to the devices of the prior art, the presence of the handle 11, as a means of gripping is not only retained, but used to make the cylinder lock 5 housed in the housing formed by the notch 15 and its foot 14, once it is tilted.

FIG 2 shows the handle 11 which is of semi-circular shape and pivotally mounted about the axis 10 and the housing formed by the notch 15 and the foot 14. The distal end 13 is in fact the middle of the handle, that is to say the top of the semicircle.

Thus, it is readily understood that the handle 11 is used not only to set up and remove the plug but also to lock its position in the optical device. The establishment and locking are a continuous gesture without having to let go of the handle 11, without the need for tools and with a very significant time savings.

It is possible to give the handle shapes other than semi-circular to make it more convenient and more secure grip in relation to the space available in the area around the cylinder, for example U-shaped

It is also contemplated to ensure that the extended position of the handle 11 is stable. One can also use a spring or other temporary locking system.

The cylinder 5 also has two lateral grooves 9 which permit the passage of the entire hook 3 (not shown in this figure) and integral with the base, so that it can be placed opposite the two proximal ends 12 of the handle 11.

Operation of the device is as follows. In a situation of handling, the handle 11 is in the raised position, that is to say separated from the cylinder 5 which is hand-held by means thereof. The operator then moves the cylinder 5 to the base 1 of the optical device in which it is to be placed and for the précentrer and put in place. Then, a continuous gesture, the operator pulls the handle 11 on the side of cylinder 5, which has the effect of contacting the two proximal ends 12 of the handle 11 with the ends 4 of the two hooks 3 of the base 1. at the end of this movement, the distal end 13 of the handle 11 arrives at the latch formed by the notch 15 and its flexible foot 14 where it stops. In this state, the cylinder 5 is properly locked on the base 1 without having used any tools or having had to let go the handle 11 of the hand.

For removal of the barrel 5 of the base 1, the operator grips with one hand the handle 11 and on the other it activates the limit spring travel lock consisting of the notch 15 and its flexible foot 14. The handle 11 can then be relieved. When the latter arrives in position and fully raised, the two proximal ends 12 have left the hooks 3 and their ends 4, and the barrel is free again. The operator can then extract, to continue its parts exchange operations. Again, the system has the advantage that the operator does not have to let go of the handle 11 during his speech and that he did not need to use other tools to intervene. Is reported to be possible to fit the proximal end 12 of the handle 11 of a special shape to promote the extraction of the cylinder 5 relative to the base 1. This arrangement is particularly useful when the barrel 5 has a seal likely to stick to the base 1 of the optical device.

Referring to Figures 3A, 3B, 4A, 4B, the operation of the system is likely to be improved by constructive details of the pressing force of the hook 3 of the handle 11. It is believed, in particular, to elastic means Application of the bearing force exerted by the proximal end 12 of the handle 11 of the brackets 3. a non-limiting embodiment is as follows, other resilient means can be used.

Indeed, it is possible to mount the hook 3 sliding on a rod 20, which itself is secured to the base 1. The shaft 20 is then completed by a compression spring 21 compressed by a nut 22 placed at the end of the rod 20. Thus, the hook 3 is biased to remain pressed towards the base 1.

It is understood that the proximal end 12 of the handle 11 can be resiliently biased when the handle 11 is folded down. In addition, the adjustment of the holding force can be obtained by compressing more or less increased the compression spring 21 by means of the nut 22.

It is possible to calibrate the barrel plating effort on the base 1. This also helps distribute the barrel plating effort throughout the assembly.

Figure 3B shows the handle 11 in the folded position, the proximal end 12 being pressed by the end 4 of the hook 3, the compression spring 21 being compressed.

A second variant of these elastic means applying the clamping force is illustrated by Figures 4A, 4B. In this second variant, the hook 3 is again integral with the base 1. For against, the pivot axis 10 of the handle 11 is mounted movable in translation, parallel to the optical axis, that is to say perpendicular to the surface of the cylinder 5 opposite which it is located. To do this, the pivot axis 10 is rotatably mounted on a slider 32 which slides on two rails 33 integral with the barrel 5. A compression spring 31 is placed between the rails 33 and tends to push the slider 32 as far possible to the cylinder 5.

Indeed, as shown in Figure 4B, when the handle 11 is folded, its proximal end 12 abuts against the end 4 of the hook 3 and forces the pivot pin 10 to move towards the cylinder 5. Thus, the spring compression 31 applies a progressive force against the cylinder 5.

It is specified that the notch formed by the notch 15 and its flexible foot 14 may be provided with a handle or a control lever, in order to facilitate the release of the handle 11 to maneuver by the operator.

A second embodiment of the system according to the invention is shown in Figures 5A, 5B, 5C. 5A shows a support 45 of the system having a rectangular shape. The central circle 46 represents the area reserved for the optical device. This support 45 has two handles 51 which the mechanism is the same as that of the handle in the system described above. Each handle 51 is positioned on either side of the optical path 46 and is pivotally mounted about an axis 50, analogous to the previous system, the two axes 50 being placed on either side of the optical path 46.

Figure 5B shows the base 41 on which the support 45 to be attached. The base 41 has hooks 43 similar to the hook 3 of the previous system, by two handle 51. against it has three positioning pins 42, so as to define a plane to enable an isostatic positioning of the support 45 relative to the base 41.

Figure 5C shows the assembly when the support 45 is fixed to the base 41. As in the previous system, the handles 51 are folded, preferably at the outside with respect to the optical path 46. In this embodiment, the handles affect a U-shaped, more or less wide, this form is only an example embodiment.

The friction areas, particularly at the locking region of the handle 11 of the hook 3 may be provided with rolling means, in order to reduce the operating forces and the pollution of the ambient air by particles bound to wear parts in contact.

This system finds its main application in the operations of exchange of optical components for which the precision of repositioning and ease of implementing its preponderant. Nevertheless, it is used for any field other than optical, since the mechanical precision of repositioning, speed and ease of implementation the important criteria. Finally, this system is specified that is not only applicable to isostatic assemblies. Indeed, it could be applied to hypostatic fixtures, for which certain degrees of freedom are defined with a backlash, the final position of the elements present are no longer unique. In the case of statically indeterminate fixtures, the degrees of freedom are defined by multiple contacts, the final position of the elements present then dependent assembly parameters, such as stiffness, clamping, etc.

Claims

1. A system for setting up and fixing of a support (5, 45) of the optical component in an optical device accurately centered with respect to an optical axis in a predetermined position, the optical device comprising centering means the support (5, 45), the support (5, 45) having at least one handle (11, 51), the system being characterized in that the at least one handle (11) is pivotally mounted around an axis perpendicular in the direction of the optical axis of the device when the carrier (5, 45) is positioned in the determined location, and has a first proximal end (12) relative to the pivot axis (10, 50) with a projection so that it bears against the interior of a hook (3) fixed to the optical device and projecting substantially parallel to the optical axis and with respect to the determined location, beyond the axis pivot
(10, 50) of the at least one handle (11, 51) so as to maintain plated carrier (5, 45) in its position on the optical device when the at least one handle (11, 51) is folded against the support (5, 45).
2. A system for setting up and mounting fixture according to claim 1, characterized in that it comprises means for holding the at least one handle (11, 51) in its folded position.
3. A system for setting up and mounting fixture according to claim 2, characterized in that the means for holding the at least one handle (11, 51) in its folded position comprise a recess (15) mounted on a flexible foot (14).
4. System installation and mounting fixture according to claim 1, characterized in that it comprises elastic means for applying the pressing force on the holder (5, 45).
5. A system for setting up and mounting fixture according to claim 4, characterized in that the elastic means comprise a spring (21) mounted around a fixed shaft (20) on which slides the hook (3) and pushing the latter near the determined location of the optical device.
6. The system for setting up and mounting fixture according to claim 5, characterized in that it comprises a clamping nut (22) screwed onto the rod (20) for adjusting the compression of the spring (21).
7. A system for setting up and mounting fixture according to claim 4, characterized in that the elastic means consist in that the pivot axis (10, 50) is slidably mounted parallel to the direction of the optical axis when the carrier (5, 45) is in place, for compressing a compression spring (31) tending to separate the pivot axis (10) relative to the support (5, 45).
8. A system for setting up and mounting fixture according to claim 1, characterized in that, the support being a barrel (5), the at least one handle (11) is single and semi-circular and the axis about which it pivots is central.
9. A system for setting up and mounting fixture according to claim 1, characterized in that the carrier (45) being rectangular, it includes two handles (51) U-shaped placed oppositely on both sides of the optical axis.
PCT/FR2004/050075 2003-02-27 2004-02-24 System for installing a quick-fit connector on a barrel of an optical component WO2004079425A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0302400A FR2851827B1 (en) 2003-02-27 2003-02-27 System for setting up and rapid fixation of an optical component cylinder.
FR03/02400 2003-02-27

Publications (1)

Publication Number Publication Date
WO2004079425A1 true true WO2004079425A1 (en) 2004-09-16

Family

ID=32843031

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2004/050075 WO2004079425A1 (en) 2003-02-27 2004-02-24 System for installing a quick-fit connector on a barrel of an optical component

Country Status (2)

Country Link
FR (1) FR2851827B1 (en)
WO (1) WO2004079425A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218484A (en) * 1990-10-17 1993-06-08 Pioneer Electronic Corporation Lens frame
US5678953A (en) * 1994-03-29 1997-10-21 Asahi Kogaku Kabushiki Kaisha Connecting mechanism
WO2002016992A1 (en) * 2000-08-25 2002-02-28 Nikon Corporation Optical element holding device
US6386719B1 (en) * 2001-03-14 2002-05-14 Enroute, Inc. Precision mounting of front surface mirrors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218484A (en) * 1990-10-17 1993-06-08 Pioneer Electronic Corporation Lens frame
US5678953A (en) * 1994-03-29 1997-10-21 Asahi Kogaku Kabushiki Kaisha Connecting mechanism
WO2002016992A1 (en) * 2000-08-25 2002-02-28 Nikon Corporation Optical element holding device
US6386719B1 (en) * 2001-03-14 2002-05-14 Enroute, Inc. Precision mounting of front surface mirrors

Also Published As

Publication number Publication date Type
FR2851827B1 (en) 2005-04-01 grant
FR2851827A1 (en) 2004-09-03 application

Similar Documents

Publication Publication Date Title
US6847481B1 (en) Automated slide loader cassette for microscope
US5945607A (en) Test specimen holder
US4635887A (en) Adjustable mountings
US5367401A (en) Microscope slide rotary stage
US6196969B1 (en) Tissue retractor adapted for the attachment of an auxiliary element
US4518307A (en) Compliant robot arm adapter assembly
US7120997B2 (en) Connector axial compression tool
US4968077A (en) Portable hand hold device
US4752063A (en) Flexible element vise attachment
US20110024962A1 (en) Clamp
US8705209B2 (en) Suspension clamp for clamping a disk drive suspension to an actuator arm
US20130091698A1 (en) Transfer tool for clamping a disk drive suspension to an actuator arm
GB2233561A (en) Workpiece holding or positioning means
US5001350A (en) Electron microscope
US4531855A (en) Adjustable arm
US5224692A (en) Versatile wide opening vise
US6338477B1 (en) Dual adjustable vise
US5484252A (en) Sample holding apparatus
US6224121B1 (en) Quick disconnect articulated chuck apparatus and method
US20040003666A1 (en) Specimen holding apparatus
US5720476A (en) Removable jaw for vise-like workholding apparatus
US5818993A (en) Method of positioning and releasably locking an optical fiber in a fixed position
US5797317A (en) Universal chuck for holding plates of various sizes
US5918867A (en) Multiple axis mounting unit
US6890248B2 (en) Apparatus and method for consistently retaining a gas turbine engine blade in a predetermined position and orientation

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase