WO2022269991A1 - 光コネクタ清掃工具 - Google Patents
光コネクタ清掃工具 Download PDFInfo
- Publication number
- WO2022269991A1 WO2022269991A1 PCT/JP2022/005384 JP2022005384W WO2022269991A1 WO 2022269991 A1 WO2022269991 A1 WO 2022269991A1 JP 2022005384 W JP2022005384 W JP 2022005384W WO 2022269991 A1 WO2022269991 A1 WO 2022269991A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cleaning
- optical connector
- tool
- gap
- cleaning tool
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 202
- 230000003287 optical effect Effects 0.000 title claims abstract description 89
- 238000004804 winding Methods 0.000 claims description 51
- 238000011084 recovery Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 22
- 230000037431 insertion Effects 0.000 description 22
- 230000005540 biological transmission Effects 0.000 description 17
- 239000013307 optical fiber Substances 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 8
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001410 Microfiber Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3866—Devices, tools or methods for cleaning connectors
Definitions
- the present invention relates to an optical connector cleaning tool for cleaning the connecting end face of an optical connector.
- an optical connector cleaning tool for cleaning the connecting end face of an optical connector.
- the cleaning tape is supplied from a supply reel to the tip of the cleaning shaft as the cleaning shaft advances and retreats, and the cleaning tape is supplied from the cleaning shaft to the take-up reel.
- Patent Document 1 Japanese Patent Document 1
- the cleaning shaft of this optical connector cleaning tool includes a tape support shaft having a leading end sliding surface for bringing the cleaning tape into contact with the connection end surface, and a cylindrical guide pipe that supports this tape support shaft.
- a forward tape path along which the cleaning tape moves toward the leading end of the tape supporting shaft is formed on the upper surface of the tape supporting shaft, and the cleaning tape moves toward the trailing end on the lower surface of the tape supporting shaft.
- a tape return path is formed. Also, inside the guide pipe, a forward tape path and a backward tape path along which the cleaning tape moves are formed.
- the insertion shaft of the tape support shaft is inserted inside the guide pipe, and the tape forward path of the tape support shaft and the tape forward path of the guide pipe are connected, and the tape return path of the tape support shaft and the tape return path of the guide pipe are connected. is connected to
- the tape support shaft is pulled by the moving cleaning tape, and the tape support shaft may be bent upward (collection side). .
- the cleaning tape may be caught between the tape support shaft and the guide pipe, making it difficult to collect the cleaning tape.
- the problem to be solved by the present invention is to provide an optical connector cleaning tool capable of smoothly recovering the cleaning body.
- An optical connector cleaning tool is an optical connector cleaning tool for cleaning a connecting end face of an optical connector, comprising: a supply section that supplies a strip-shaped cleaning body; and the cleaning body supplied from the supply section.
- a cleaning shaft having a pressing surface that presses against the connection end surface; a support portion that supports the head; a collecting portion that collects the cleaning body from the pressing surface; and a cylindrical member having an inner hole that accommodates the cleaning shaft, and the cleaning body recovered from the pressing surface by the recovery section has an inner surface of the inner hole and an inner surface of the head portion.
- first opposing portion having a first region in which the cleaning body is interposed between the inner surface and the first opposing portion; and a second region adjacent to one region, wherein a first gap between the inner surface and the first region is greater than a second gap between the inner surface and the second region. It is also a wide optical connector cleaning tool.
- the portion of the inner surface facing the first facing portion may have an arcuate cross-sectional shape that is recessed outward.
- the portion of the inner surface facing the first facing portion may have a stepped cross-sectional shape that is recessed outward.
- the cleaning body supplied from the supply portion to the pressing surface passes between the inner surface of the inner hole and a second facing portion facing the inner surface of the head portion.
- the second facing portion includes a third region in which the cleaning body is interposed between the inner surface and the second facing portion, and a fourth region adjacent to the third region. Including, a third gap between the inner surface and the third region may be wider than a fourth gap between the inner surface and the fourth region.
- the supply section includes a delivery bobbin for sending out the cleaning element before use
- the collection section includes a winding bobbin for winding the used cleaning element
- the optical connector cleaning tool is a tool body containing the delivery bobbin and the take-up bobbin, and rotates the take-up bobbin as the cleaning shaft moves relative to the tool body, thereby moving the cleaning body to the take-up bobbin. and a drive mechanism that winds on.
- the first distance between the inner surface of the inner hole of the tubular member and the first area of the first facing portion of the head member is the first distance between the inner surface and the first facing portion. Since it is wider than the second space between the two regions, the cleaning body can be collected smoothly.
- FIG. 1 is a front view showing an optical connector to be cleaned by an optical connector cleaning tool according to an embodiment of the present invention.
- FIG. 2 is a perspective view showing an optical connector cleaning tool according to an embodiment of the invention.
- FIG. 3 is a perspective view showing the optical connector cleaning tool with the cover removed in the embodiment of the present invention.
- FIG. 4 is an exploded perspective view showing the optical connector cleaning tool with one housing removed from the tool body and the cylindrical member removed from the extension member in the embodiment of the present invention.
- FIG. 5 is an exploded perspective view of the tool body in the embodiment of the invention.
- FIG. 6 is an exploded perspective view of an extension member in an embodiment of the invention;
- FIG. 7 is a perspective view showing a head member in an embodiment of the invention.
- FIG. 8 is a cross-sectional view of the distal end portion of the extension member in the embodiment of the present invention, taken along line VIII-VIII of FIG. 3.
- FIG. 9 is a diagram showing the relationship between the head member and the inner surface of the inner hole of the tubular member in the embodiment of the present invention, and is an end view along line IX-IX in FIG. 8.
- FIG. 10 is an end view showing a modification of the inner hole of the tubular member according to the embodiment of the present invention.
- 11(a) and 11(b) are side views showing the state of use of the optical connector cleaning tool according to the embodiment of the present invention.
- FIG. 11(b) is a diagram showing a state in which the tool body is retracted from the extension member.
- the optical connector cleaning tool 1 in this embodiment is a cleaner for cleaning the connection end face of an optical connector that connects optical fibers.
- FIG. 1 is a front view showing an optical connector 200 to be cleaned by an optical connector cleaning tool 1 according to this embodiment.
- the optical connector 200 to be cleaned by the optical connector cleaning tool 1 can be exemplified by a multi-fiber collective connection type optical connector plug that simultaneously connects a plurality of optical fibers.
- this optical connector 200 includes a ferrule 210 having a flat (rectangular) cross-sectional shape (end face shape).
- This ferrule 210 is a so-called MT (Mechanical Transferable) ferrule, and has a plurality of (for example, 12) fiber holding holes arranged along the longitudinal direction of the cross section of the ferrule 210 .
- An optical fiber 220 is inserted into each of the plurality of fiber holding holes, and the optical fiber 220 is fixed to the ferrule 210 with an adhesive.
- the plurality of optical fibers 220 are exposed from the end face of the ferrule 210 respectively.
- This ferrule 210 is held in a housing 230 .
- the number of optical fibers 220 held by the ferrule 210 is not particularly limited, and may be more than 12, for example. Also, the optical fibers 220 may be arranged in a plurality of rows (for example, two rows) along the cross-sectional longitudinal direction of the ferrule 210 . As the ferrule 210 described above, an MT ferrule specified in JIS C 5981 or JIS C 5982 may be used.
- the pair of optical connectors 200 When connecting the pair of optical connectors 200 having the ferrules 210 described above, the pair of optical connectors 200 are inserted into the insertion openings 241 on both sides of the sleeve-shaped adapter 240 .
- the insertion port 241 is composed of four grooves 242 .
- the optical fibers 220 exposed from the end faces of the ferrules 210 are optically connected.
- the guide pin 211 of one ferrule 210 is inserted into the guide hole (not shown) of the other ferrule 210, whereby the optical connectors 200 are positioned with high accuracy.
- the end surface of the ferrule 210 is cleaned using the optical connector cleaning tool 1 described below.
- the optical connector 200 to be cleaned is inserted into one insertion port 241 of the adapter 240 , and the optical connector cleaning tool 1 is inserted into the other insertion port 241 of the adapter 240 to The end face of the ferrule 210 of the optical connector 200 is cleaned.
- the optical connector 200 described above is an optical connector plug used in the plug-adapter-plug coupling system. may be used to clean the end face of the ferrule.
- this optical connector receptacle incorporates a ferrule attached to the tip of an optical fiber into a housing into which an optical connector plug is inserted.
- the optical connector that is not inserted into the adapter can be cleaned.
- the connection end face of the plug itself may be cleaned.
- optical connector cleaning tool 1 The configuration of the optical connector cleaning tool 1 according to this embodiment will be described in detail below with reference to the drawings. Note that the optical connector cleaning tool 1 described below, except for the configuration of the distal end portion of the extension member 100, is the It has basically the same configuration as the optical connector cleaning tool disclosed in the publication.
- FIG. 2 is a perspective view showing the optical connector cleaning tool 1 according to this embodiment
- FIG. 3 is a perspective view showing the optical connector cleaning tool 1 with the covers 5 and 6 removed according to this embodiment.
- an optical connector cleaning tool 1 in this embodiment includes a tool body 10 and an extension member 100 extending from the tool body 10. and have.
- the tool body 10 is covered with a front cover 5 and a rear cover 6.
- the extension member 100 protrudes forward (+Y direction in the figure) from the opening 5a of the front cover 5 .
- the extension member 100 has, at its tip, a pressing surface 121 (described later) that presses the cleaning body 2 against the connection end surface of the optical connector 200 (the end surface of the ferrule 210 described above).
- the tool main body 10 has bobbins 30 and 40 (described later) for continuously supplying and recovering the cleaning body 2 to the pressing surface 121 .
- the extension member 100 can move relative to the tool body 10 along the axial direction of the extension member 100 (the Y-axis direction in the drawing).
- the cleaning body 2 moves on the pressing surface 121 in accordance with the relative movement between the tool body 10 and the extension member 100 (movement of the tool body 10 moving forward with respect to the extension member 100), the cleaning body 2 moves toward the optical connector. Since it slides while being pressed against the connection end face of 200, it is possible to efficiently wipe off dirt adhering to the end face. However, when a sticky cleaning body is applied, it is also possible to configure the cleaning body so that it is only pressed against the connecting end surface and does not slide. Along with this relative movement (movement of the tool main body 10 to retreat with respect to the extension member 100), the used cleaning element 2 is recovered from the pressing surface 121 to the winding bobbin 40, and the unused cleaning element 2 is removed. It is possible to supply the pressing surface 121 from the delivery bobbin 30 .
- the optical connector 200 to be cleaned in this embodiment is a multi-fiber collective connection type optical connector, and the end surface of the ferrule 210 of the optical connector 200 has a flat shape.
- the cleaning body 2 is an elongate strip-shaped continuous body (tape).
- the width of the cleaning body 2 is large enough to wipe the end face of all the optical fibers 220 exposed on the end face of the ferrule 210 and its periphery (for example, the region between the guide pins 211) at once. have.
- An example of such a tape-shaped cleaning body 2 is not particularly limited, but a woven fabric made of ultrafine fibers made of polyester, nylon, or the like can be exemplified.
- FIG. 4 is an exploded perspective view showing the optical connector cleaning tool with one housing 22 removed from the tool main body 10 and the cylindrical member 190 removed from the extension member 100 in this embodiment
- FIG. 5 is this embodiment.
- 2 is an exploded perspective view of the tool body 10 in FIG.
- the tool body 10 includes a housing 20, a delivery bobbin 30, a winding bobbin 40, guide cylinders 51 and 52, a roll 53, a ratchet pawl 60, and a transmission member 70. , is equipped with
- the housing 20 is composed of a first housing 21 and a second housing 22 . Inside the housing 20, the delivery bobbin 30, the winding bobbin 40, the guide cylinders 51 and 52, the roll 53, the ratchet pawl 60, and the transmission member 70 are accommodated. Fixing pins (not shown) formed on the second housing 22 are fitted into the fixed cylinders 211a to 211c formed on the first housing 21, thereby connecting the first housing 21 and the second housing 22 together. is fixed.
- the first and second housings 21 and 22 are made of a resin material. Both the first and second housings 21 and 22 are formed with a support portion 20a, ribs 20b, locking claws 20c, windows 20d, accommodating portions 20e, and front side surfaces 20f. In addition to this, the first housing 21 is formed with support shaft portions 212a to 212d. It should be noted that the first and second housings 21 and 22 are preferably made of transparent resin. This allows the user to check the unused amount (remaining amount) of the cleaning element 2 inside the housing.
- the delivery bobbin 30 is a reel (cylindrical winding frame) for supplying the cleaning body 2 .
- An unused cleaning element 2 is wound around the delivery bobbin 30 .
- the delivery bobbin 30 is rotatably supported by the support shaft portion 212a of the first housing 21. As shown in FIG. As the tool body 10 retreats with respect to the extension member 100 described above, the feed bobbin 30 rotates, so that the unused cleaning bodies 2 are continuously fed from the feed bobbin 30 to the pressing surface 121 .
- a plurality of engaging grooves 31 arranged in a circular shape are formed on both side surfaces of the delivery bobbin 30 .
- the locking claws 20c protrude inward so as to face the engaging grooves 31. As shown in FIG. By abutting the tip of the engaging claw 20c against the engaging groove 31, idle rotation of the delivery bobbin 30 is suppressed.
- the winding bobbin 40 is a reel for winding the used cleaning element 2.
- the winding bobbin 40 is rotatably supported by the support shaft portion 212b of the first housing 21. As shown in FIG.
- the winding bobbin 40 rotates as the tool main body 10 moves backward with respect to the extension member 100 described above, so that the used cleaning element 2 on the pressing surface 121 is continuously attached to the winding bobbin 40. be wound up.
- An outer ring portion 41 and an inner ring portion 42 are formed on both side surfaces of the winding bobbin 40 .
- the outer ring portion 41 and the inner ring portion 42 have an annular shape projecting laterally (in the X direction in the figure) from the side surface of the winding bobbin 40, and are centered on the shaft hole of the winding bobbin 40.
- are arranged concentrically as A ratchet gear 411 that meshes with the ratchet pawl 60 is formed on the inner peripheral surface of the outer ring portion 41 .
- the inner circumferential surface of the inner ring portion 42 functions as a friction surface 421 with which the plate spring portion 72 of the transmission member 70 contacts.
- the ratchet pawls 60 are provided on both side surfaces of the winding bobbin 40 so as to be interposed between the outer ring portion 41 and the inner ring portion 42, and are rotatably supported by the support portions 20a of the housings 21 and 22. It is The ratchet pawl 60 constitutes a ratchet mechanism together with the ratchet gear 411 of the outer annular portion 41 . This ratchet mechanism allows the winding bobbin 40 to rotate in the direction in which the cleaning body 2 is wound (winding direction), but prohibits the winding bobbin 40 from rotating in the direction opposite to the winding direction. do.
- the transmission member 70 is arranged inside both inner ring portions 42 of the winding bobbin 40 .
- Each transmission member 70 is rotatably supported by the support shaft portion 212 b of the first housing 21 and is rotatable relative to the winding bobbin 40 . That is, the support shaft portion 212 b of the first housing 21 supports two transmission members 70 in addition to the winding bobbin 40 .
- Each transmission member 70 has a pinion gear 71 and a pair of leaf spring portions 72 .
- the pinion gear 71 protrudes laterally (in the X-axis direction in the drawing) from the outer ring portion 41 and the inner ring portion 42 of the winding bobbin 40 .
- the pinion gear 71 meshes with a rack gear 176 (described later) of the extension member 100, and the pinion gear 71 and the rack gear 176 constitute a rack and pinion mechanism.
- This rack-and-pinion mechanism converts the linear motion of the extension member 100 relative to the tool body 10 into rotary motion.
- the pair of leaf spring portions 72 are arranged rotationally symmetrically around the axis of the transmission member 70 .
- the transmission member 70 is fitted inside the inner annular portion 42 of the winding bobbin 40 in a state in which the central portions of the leaf spring portions 72 are elastically deformed inward. Therefore, a frictional force acts between each leaf spring portion 72 and the friction surface 421 of the inner annular portion 42, and the leaf spring portion 72 and the friction surface 421 constitute a friction transmission mechanism.
- the rotational motion converted by the rack and pinion mechanism described above is transmitted to the winding bobbin 40 via this friction transmission mechanism.
- the guide tubes 51, 52 are rotatably supported by the support shafts 212c, 212d of the first housing. Also, the roll 53 is rotatably supported by pins 531 held by the first and second housings 21 and 22 .
- An unused cleaning element 2 delivered from the delivery bobbin 30 is guided toward the pressing surface 121 of the extension member 100 by the guide tube 51 .
- the used cleaning element 2 is guided toward the winding bobbin 40 by the guide cylinder 52 and the roll 53 . At this time, the cleaning body 2 is folded back by the roll 53 and the cleaning body 2 is hooked on the roll 53 .
- FIG. 1 the configuration of the extension member 100 of the cleaning tool 1 according to this embodiment will be described in detail with reference to FIGS. 6 to 9.
- FIG. 1 the configuration of the extension member 100 of the cleaning tool 1 according to this embodiment will be described in detail with reference to FIGS. 6 to 9.
- FIG. 6 is an exploded perspective view of the extension member 100 according to this embodiment
- FIG. 7 is a perspective view showing the head member 110 according to this embodiment
- FIG. 8 is a cross-sectional view of the distal end portion of the extension member 100 in this embodiment, and is a cross-sectional view taken along line VIII-VIII in FIG.
- FIG. 9 is a diagram showing the relationship between the head member 110 and the inner surface of the inner hole 194 of the tubular member 190 in this embodiment, and is an end view along line IX-IX in FIG. 6 to 8, the cleaning body 2 is not shown.
- the extension member 100 includes a cleaning shaft 105, a tubular member coil spring 180 (see FIG. 4), and a tubular member 190, as shown in FIG.
- the cleaning shaft 105 is a member (pressing member) for pressing the cleaning body 2 against the connection end surface of the optical connector 200 .
- the cleaning shaft 105 is an elongated member extending along the longitudinal direction of the extension member 100 (the Y-axis direction in the figure), and includes a head member (head portion) 110, a head coil spring 160, A support member (support portion) 170 is provided. Note that the head member 110 and the support member 170 may be integrally formed. Furthermore, the molded body may have the function of the head coil spring 160 .
- the head member 110 is a member forming the tip portion of the cleaning shaft 105 .
- the head member 110 includes a pressing portion 120, a neck portion 130, a body portion 140, and an insertion portion 150, as shown in FIG.
- the head member 110 is made of a resin material, and the pressing portion 120, the neck portion 130, the body portion 140, and the insertion portion 150 are integrally formed.
- the pressing portion 120 has a pressing surface 121 at its tip that presses the cleaning body 2 against the connection end face of the optical connector 200 .
- the pressing surface 121 has a flat shape (rectangular shape) so as to correspond to the shape of the end surface of the ferrule 210 of the optical connector 200 to be cleaned.
- the cleaning element 2 is wound around the pressing surface 121 from the upper side to the lower side of the pressing surface 121, the unused cleaning element 2 is supplied from the upper side, and the used cleaning element 2 is sent out from the lower side. (see arrow A in FIGS. 4 and 11(a)). That is, the cleaning body 2 moves from the upper side to the lower side along the short axis direction of the pressing surface 121 on the pressing surface 121 .
- a pair of insertion grooves 122 are formed at both ends of the pressing surface 121 .
- the guide pin 211 protruding from the end surface enters the insertion groove 122, so that the pressing surface 121 can bring the cleaning body 2 into close contact with the end surface of the ferrule 210. It has become.
- the pressing portion 120 is connected to the body portion 140 via the neck portion 130 .
- the neck portion 130 is elastically deformable with respect to the pressing force from the optical connector 200 to the pressing portion 120 .
- the neck portion 130 tilts the pressing portion 120 according to the tilt of the end face of the ferrule 210 of the optical connector 200 .
- the body part 140 has a plate-like shape with a flat (rectangular) cross-sectional shape corresponding to the cross-sectional shape of the pressing part 120 .
- An unused cleaning body 2 supplied to the pressing surface 121 of the pressing portion 120 from above passes over the upper surface 141 of the body portion 140 .
- the used cleaning body 2 sent downward from the pressing surface 121 passes over the lower surface 145 of the body portion 140 .
- Ribs 142 are provided at both ends of the upper surface 141 of the body portion 140, and the cleaning body 2 moving on the upper surface 141 is guided by the ribs 142. Ribs 146 are also provided at both ends of the lower surface 145 , and the cleaning body 2 moving on the lower surface 145 is guided by the ribs 146 . Note that the upper surface 141 of the body portion 140 does not have to be provided with the ribs 142 . Similarly, the bottom surface 145 of the body portion 140 may not have ribs 142 .
- An insertion portion 150 is connected to the rear side of this body portion 140 .
- the insertion portion 150 is a portion inserted into the distal end portion 171 of the support member 170 and has a plate-like shape with a width narrower than that of the main body portion 140 .
- a columnar shaft portion 151 is formed that protrudes rearward (-Y direction in the figure) and laterally (X-axis direction in the figure).
- a protruding protrusion 152 is formed.
- the head coil spring 160 is interposed between the head member 110 and the support member 170 with the shaft portion 151 of the head member 110 inserted into the head coil spring 160 .
- the head member 110 is urged forward with respect to the support member 170 by the head coil spring 160 . This enables the pressing surface 121 of the head member 110 to press the cleaning body 2 against the connection end surface of the optical connector 200 with an appropriate pressing force.
- the support member 170 is a member that supports the head member 110 so as to be movable in the front-rear direction (the Y-axis direction in the drawing).
- the support member 170 includes a tip portion 171, a body portion 172, a shoulder portion 173, and an arm portion 175, as shown in FIG.
- the support member 170 is made of a resin material, and the tip portion 171, the body portion 172, the shoulder portion 173, and the arm portion 175 are integrally formed.
- An insertion groove 171a and a window 171b are formed in the tip portion 171 of the support member 170.
- the insertion groove 171 a is a groove that opens at the tip of the support member 170 .
- the insertion portion 150 of the head member 110 is inserted into the insertion groove 171a so as to be movable in the front-rear direction (the Y-axis direction in the drawing).
- the window 171b is opened on the side surface of the distal end portion 171.
- a protrusion 152 of the insertion portion 150 of the head member 110 is inserted into the window 171b.
- the insertion groove 171a guides the head member 110 in the front-rear direction, and the window 171b prevents the head member 110 from falling off forward (+Y direction in the figure) biased by the head coil spring 160.
- the trunk portion 172 is connected to the rear side of the tip portion 171 .
- the body portion 172 has a columnar shape and is an elongated portion extending along the axial direction of the extension member 100 (the Y-axis direction in the drawing).
- the rear portion of the body portion 172 is arranged inside the housing 20 of the tool body 10, but the other portion of the body portion 172 is positioned forward from the front surface 20f of the housing 20 (+Y direction in the drawing). ).
- the upper surface of the body portion 172 functions as a guide surface that guides the unused cleaning body 2 supplied from the tool body 10 to the head member 110 .
- the lower surface of the body portion 172 functions as a guide surface that guides the used cleaning body 2 collected from the head member 110 to the roll 177 .
- the body portion 172 is inserted into the tubular member coil spring 180 and has a function of supporting the tubular member coil spring 180 (see FIG. 4).
- a pair of shoulder portions 173 are connected to the rear end of this body portion 172 .
- Each shoulder portion 173 protrudes laterally (in the X-axis direction in the figure) from the rear end of the body portion 172 and is disposed in the window 20d of the first and second housings 21,22.
- the shoulder 173 is formed with a protrusion 174 that protrudes laterally (in the X-axis direction in the figure).
- the protrusion 174 protrudes from the window 20d and is fitted into a window 197 (described later) of the cylindrical member 190 (FIG. 3). reference).
- the pair of arms 175 are connected to the lower side of the shoulder 173 and extend rearward from the shoulder 173 (-Y direction in the figure).
- the arms 175 are housed in the housings 20e of the first and second housings 21 and 22, respectively.
- a holding hole 175 a is formed at the front end of the pair of arms 175 .
- a pin 178 is inserted into the holding hole 175a, and the roll 177 is rotatably supported by the pin 178.
- the used cleaning element 2 guided along the lower surface of the body portion 172 is guided toward the winding bobbin 40 by this roll 177 and the guide tube 52 and roll 53 of the tool body 10 described above.
- the cleaning body 2 is folded back by the roll 177 and the cleaning body 2 is hooked on the roll 177 .
- the cleaning body 2 is also folded back by the rolls 53 of the tool body 10 , so that the cleaning body 2 is stretched between the rolls 177 and 53 as a result.
- a rack gear 176 is formed at the rear portion of each arm portion 175 .
- the winding bobbin 40 is arranged between the pair of rack gears 176, and the pinion gear 71 of the transmission member 70 is meshed with the rack gear 176 to form a rack and pinion mechanism.
- the tubular member 190 is a member having a tubular portion 191 and a plate portion 196 .
- the cylindrical portion 191 includes a tip portion 192 that is inserted into the adapter 240 when cleaning the optical connector 200 and a body portion 195 that is connected to the rear side of the tip portion 192 .
- Projections 193 are formed on the upper, lower, left, and right outer surfaces of the distal end portion 192 . When the distal end portion 192 is inserted into the adapter 240 , the convex portion 193 fits into the groove 242 formed in the insertion port 241 of the adapter 240 .
- the tubular portion 191 has an inner hole penetrating in its axial direction (the Y-axis direction in the drawing), and the inner hole accommodates the cleaning shaft 105 and the tubular member coil spring 180 . .
- the cylindrical portion 191 also has a function of protecting the cleaning body 2 moving along the upper and lower surfaces of the body portion 172 of the support member 170 .
- the cylindrical member 190 is made of a resin material, and the tip portion 192, the body portion 195, and the plate portion 196 are integrally formed.
- the main body part 140 of the head member 110 is accommodated in the inner hole 194 of the tip part 192 of the cylindrical part 191 .
- the pressing portion 120 of the head member 110 connected to the body portion 140 via the neck portion 130 moves forward (+Y direction in the figure) from the opening 194e of the inner hole 194 of the tip portion 192 of the cylindrical portion 191. protruding.
- the inner hole 194 of the distal end portion 192 of the tubular portion 191 has a cross-sectional shape as shown in FIG. That is, the inner hole 194 has a flat cross-sectional shape capable of accommodating the body portion 140 of the head member 110, and has an inner surface composed of an upper surface 194a, a lower surface 194b, and side surfaces 194c and 194d. .
- An upper surface 194a of the inner hole 194 has an arcuate cross-sectional shape that is recessed upward so as to expand the space of the inner hole 194 .
- the upper surface 194 a faces the upper surface 141 (second facing portion) of the body portion 140 of the head member 110 .
- An unused cleaning element 2 supplied to the pressing surface 121 of the head member 110 from above passes between the upper surface 194 a and the upper surface 141 of the main body 140 .
- the lower surface 194b of the inner hole 194 has an arcuate cross-sectional shape recessed downward so as to expand the space of the inner hole 194.
- the lower surface 194 b faces the lower surface 145 (first facing portion) of the body portion 140 of the head member 110 .
- the used cleaning body 2 sent downward from the pressing surface 121 of the head member 110 passes between the lower surface 194 b and the lower surface 145 of the main body 140 .
- one side surface 194c of the inner hole 194 has a cross-sectional shape that linearly connects one end of the upper surface 194a and one end of the lower surface 194b.
- the side surface 194c faces the side surface 147 of the body portion 140 of the head member 110, but the cleaning body 2 is not interposed between the side surfaces 194c and 147. As shown in FIG.
- the other side surface 194d of the inner hole 194 also has a cross-sectional shape that linearly connects the other end of the upper surface 194a and the other end of the lower surface 194b.
- the side face 194d faces the side face 148 of the main body portion 140 of the head member 110, but the cleaning body 2 is not interposed between the side faces 194d and 148. As shown in FIG.
- the lower surface 194b of the inner hole 194 has an arcuate cross-sectional shape that is recessed downward so as to widen the space of the inner hole 194 as described above. Therefore, the first gap D1 is larger than the second gap D2.
- the first gap D1 is the gap between the widthwise central portion of the first region 145a of the lower surface 145 of the head member 110 and the lower surface 194b of the inner hole 194.
- a second gap D2 is a gap between the second region 145b of the lower surface 145 of the head member 110 and the lower surface 194b of the inner hole 194. As shown in FIG.
- the first region 145a is a portion of the lower surface 145 of the body portion 140 of the head member 110 where the cleaning body 2 is interposed between the lower surfaces 145 and 194b.
- the second region 145b is a portion adjacent to the first region 145a on the lower surface 145 of the body portion 140 of the head member 110, and the cleaning body 2 is interposed between the lower surfaces 145 and 194b. There is no part.
- the lower surface 194b of the inner hole 194 has an arcuate cross-sectional shape that is recessed downward so as to widen the space of the inner hole 194 as described above. Therefore, the first gap D1 is larger than the third gap D3.
- the third gap D3 is a gap between the end of the first region 145a in the width direction (the X-axis direction in the drawing) and the lower surface 194b of the inner hole 194. As shown in FIG.
- the upper surface 194a of the inner hole 194 has an arcuate cross-sectional shape that is recessed upward so as to widen the space of the inner hole 194, as described above. Therefore, the fourth gap D4 is larger than the fifth gap D5.
- the fourth gap D4 is a gap between the widthwise central portion of the third region 141 a of the upper surface 141 of the head member 110 and the upper surface 194 a of the inner hole 194 .
- a fifth gap D5 is a gap between the fourth region 141b of the upper surface 141 of the head member 110 and the upper surface 194a of the inner hole 194 .
- the third region 141a is a portion of the upper surface 141 of the body portion 140 of the head member 110 where the cleaning body 2 is interposed between the upper surfaces 141 and 194a.
- the fourth region 141b is a portion adjacent to the third region 141a on the upper surface 141 of the body portion 140 of the head member 110, and the cleaning body 2 is interposed between the upper surfaces 141 and 194a. There is no part.
- the upper surface 194a of the inner hole 194 has an arcuate cross-sectional shape that is recessed upward so as to widen the space of the inner hole 194 as described above. Therefore, the fourth gap D4 is larger than the sixth gap D6.
- the sixth gap D6 is a gap between the end of the third region 141a in the width direction (the X-axis direction in the drawing) and the upper surface 194a of the inner hole 194. As shown in FIG.
- the cross-sectional shape of the inner hole 194 of the distal end portion 192 of the tubular member 190 is such that the first gap D1 is larger than the second gap D2, and the fourth gap D4 is larger than the fifth gap D1. As long as it is larger than 5 , it is not particularly limited.
- FIG. 10 is an end view showing a modification of the inner hole 194 of the tubular member 190 according to this embodiment.
- the bottom surface of the recess of the lower surface 194b of the inner hole 194 may be formed in an arcuate shape recessed downward.
- the bottom surface of the concave portion of the upper surface 194a of the inner hole 194 may have an arcuate shape concave upward.
- the shape of the lower surface 194b of the inner hole 194 is such that the step 194k between the lower step 194i and the upper step 194j is the end of the first region 145a in the width direction (the X-axis direction in the drawing). They may have stepped shapes facing each other, in which case the first gap D1 is larger than the third gap D3.
- the shape of the upper surface 194a of the inner hole 194 is such that the step 194h between the lower step 194f and the upper step 194g faces the end of the third region 141a in the width direction (the X-axis direction in the drawing). It may have a shape, in which case the fourth gap D4 is larger than the sixth gap D6.
- the bottom surface of the recess of the lower surface 194b of the inner hole 194 may be formed in an arcuate shape recessed downward.
- the bottom surface of the concave portion of the upper surface 194a of the inner hole 194 may have an arcuate shape concave upward.
- the lower surface 194b of the inner hole 194 has a two-stepped shape, but it is not particularly limited to this, and the lower surface 194b may have a stepped shape with three or more steps.
- the upper surface 194a of the inner hole 194 has a two-stepped shape, but it is not limited to this, and the upper surface 194a may have a stepped shape with three or more steps.
- the shoulder portion 173 and the arm portion 175 of the support member 170 extend rearward (-Y direction in the figure) from the opening 195a on the rear side of the body portion 195 of the tubular portion 191 of the tubular member 190. protrude.
- a projection 174 of a shoulder portion 173 of the support member 170 is fitted into a window 197 formed in a plate portion 196 of the tubular member 190 (see FIG. 3). are fixed to each other.
- the body portion 195 of the tubular portion 191 of the tubular member 190 has a tapered portion 195b with a larger inner diameter at its central portion.
- a tubular member coil spring 180 is interposed between the tapered portion 195b and the front surface 20f of the housing 20 .
- the tubular member coil spring 180 biases the tubular member 190 in a direction away from the tool body 10 (+Y direction in the drawing).
- 11(a) and 11(b) are side views showing the state of use of the optical connector cleaning tool 1 according to this embodiment.
- 11(b) is a diagram showing a state in which the tool body 10 is retracted from the extension member 100.
- FIG. 11(b) is a diagram showing a state in which the tool body 10 is retracted from the extension member 100.
- the operator When cleaning the connection end face of the optical connector 200 using the optical connector cleaning tool 1 , first, the operator inserts the tip of the extension member 100 of the cleaning tool 1 into the insertion opening 241 of the adapter 240 . As a result, the pressing surface 121 of the head member 110 presses the cleaning body 2 against the end surface of the ferrule 210 . At this time, the convex portion 193 of the tip portion 192 of the tubular member 190 of the extension member 100 is fitted into the groove 242 of the adapter 240 , so that the pressing surface 121 of the head member 110 is pressed against the ferrule 210 of the optical connector 200 . Positioned.
- the length of the cleaning body 2 between the supply-side guide tube 51 and the roll 177 is reduced by a predetermined length L, whereas the length of the cleaning body 2 between the rolls 177 and 53 is reduced. length increases by a predetermined length L.
- the cleaning body 2 on the pressing surface 121 is pulled toward the take-up bobbin 40, and the cleaning body 2 slides while being pressed against the end face of the ferrule 210, thereby wiping off dirt adhering to the end face. .
- the first gap D1 is wider than the second gap D2. That is, in this embodiment, a wide clearance is ensured between the cleaning body 2 passing over the lower surface 145 of the head member 110 and the central portion of the lower surface 194b of the inner hole 194 of the tubular member 190.
- FIG. Therefore, even if the long cleaning shaft 105 bends downward (toward the winding bobbin 40) due to the cleaning element 2 being pulled toward the winding bobbin 40, the cleaning element 2 and the cylindrical member are not separated from each other. The contact area of 190 with the lower surface 194b of the inner hole 194 can be reduced.
- the frictional force generated in the cleaning body 2 can be reduced, and the occurrence of a situation (so-called jamming) in which the cleaning body 2 is caught between the head member 110 of the cleaning shaft 105 and the cylindrical member 190 is suppressed. can do.
- the thickness of the cleaning shaft of the cleaning tool is also reduced, and the cleaning shaft is more likely to bend, resulting in the occurrence of jamming as described above.
- the first gap D1 is widened, so that even when the cleaning shaft 105 is thinned along with the miniaturization of the optical connector 200, the jamming described above can be prevented. can be effectively suppressed.
- the clearance between the lower surface of the head member and the lower surface of the inner hole of the tubular member tends to become smaller. may occur more prominently.
- the first gap D1 is widened, so even if the cleaning tool 1 is downsized, the lower surface 194b between the cleaning body 2 and the inner hole 194 of the tubular member 190 is maintained. It is possible to reduce the area of contact with and effectively suppress the occurrence of jamming.
- the cleaning body 2 may have an excess length.
- the first gap D1 is widened, so even if the pressing portion 120 of the head member 110 is pressed and the head coil spring 160 is contracted, the flexible cleaning body 2 is deformed. can pass through the first gap D1. Therefore, it is possible to prevent the end of the cleaning element 2 in the width direction (the X-axis direction in the drawing) from being caught between the lower surface 145 of the head member 110 and the inner hole 194 of the tubular member 190 . can.
- the second gap D2 is narrower than the first gap D1. That is, the clearance between the cleaning body 2 passing over the lower surface 145 of the head member 110 and both ends of the lower surface 194b of the inner hole 194 of the tubular member 190 is narrower than the clearance at the central portion. ing.
- the corners of the distal end of the tubular member tend to be thin in order to correspond to the shape of the insertion port 241 of the adapter 240 .
- the second gap D2 is narrower than the first gap D1, so thinning of the corners of the distal end portion 192 of the tubular member 190 can be suppressed. .
- the fourth gap D4 is larger than the fifth gap D5. That is, a wide clearance is ensured between the cleaning body 2 passing over the upper surface 141 of the head member 110 and the central portion of the upper surface 194 a of the inner hole 194 of the cylindrical member 190 . Therefore, even if the cleaning tool 1 is downsized as the optical connector is downsized, the contact area between the cleaning body 2 and the upper surface 194a of the inner hole 194 of the tubular member 190 can be reduced. It is possible to effectively suppress the occurrence of jamming as described above.
- the cleaning tool 1 is intended for cleaning the optical connector 200 of the multi-core batch connection system having the ferrule 210 having a flat end surface.
- the cleaning shaft 105 does not rotate relative to the tool body 10 around the axial center of the cleaning shaft 105 .
- the rack gear 176 rotates the pinion gear 71 by pushing the tool body 10 by the operator.
- ratchet pawl 60 prohibits rotation of winding bobbin 40 in the opposite direction (clockwise in FIG. 11(a)) to the winding direction (counterclockwise in FIG. 11(a))
- a slip occurs between the leaf spring portion 72 of the transmission member 70 and the friction surface 421 of the inner ring portion 42 . Therefore, in this case, the transmission member 70 idles and the winding bobbin 40 does not rotate.
- the tool body 10 is pushed against the extension member 100 by the elastic force of the cylindrical member coil spring 180, as shown in FIG. 11(b).
- the rack gear 176 rotates the pinion gear 71 at the same time that the distance between the roll 177 of the extension member 100 and the roll 53 of the tool body 10 is shortened by a predetermined length L.
- the rotational force of the pinion gear 71 is transmitted to the winding bobbin 40 via the leaf spring portion 72 of the transmission member 70 and the friction surface 421 of the inner ring portion 42, and the winding bobbin 40 rotates to clean the used cleaning material.
- a body 2 is wound on a winding bobbin 40 .
- the driving mechanism for rotationally driving the winding bobbin 40 in accordance with the relative movement of the extension member 100 with respect to the tool body 10 includes the rack and pinion mechanism composed of the rack gear 176 and the pinion gear 71, and the plate spring portion 72. and the above-mentioned friction transmission mechanism composed of the friction surface 421.
- the length of the cleaning body 2 existing between the guide tube 51 on the supply side and the roll 177 is increased by a predetermined length L.
- the distance between the pressing surface 121 of the head member 110 and the roll 177 is constant and the cleaning body 2 is wrapped around the pressing surface 121 of the head member 110, the distance corresponds to the predetermined length L.
- a length of unused cleaning body 2 is delivered from delivery bobbin 30 .
- the worker removes the cleaning tool 1 from the adapter 240 by pulling out the extension member 100 from the insertion opening 241 of the adapter 240 .
- the first gap D1 between the lower surface 194b of the inner hole 194 of the tubular member 190 and the first region 145a of the lower surface 145 of the head member 110 is It is wider than the second gap D2 between the lower surface 194b and the second region 145b of the lower surface 145 of the head member 110. As shown in FIG. Therefore, it is possible to prevent the cleaning body 2 from being caught between the head member 110 of the cleaning shaft 105 and the tubular member 190, and the cleaning body 2 can be recovered smoothly.
- both the upper surface 194a and the lower surface 194b of the inner hole 194 of the distal end portion 192 of the cylindrical member 190 have arcuate cross-sectional shapes, but the present invention is not particularly limited to this.
- the cross-sectional shape of the lower surface 194b on the winding bobbin 40 side may be arcuate, and the cross-sectional shape of the upper surface 194a on the delivery bobbin 30 side (supply side) may be linear. That is, the fourth gap D4 and the fifth gap D5 may be the same as long as the first gap D1 is larger than the second gap D2.
- the rolls 153 and 177 for supplying the cleaning body 2 of the predetermined length L may not be provided.
- the winding direction of the winding bobbin 40 is opposite to that of the above-described embodiment, and the ratchet mechanism consisting of the ratchet pawl 60 and the ratchet gear 411 is also installed in the direction opposite to that of the above-described embodiment. be.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
Description
文献の参照による組み込みが認められる指定国については、2021年6月23日に日本国に出願された特願2021-104165に記載された内容を参照により本明細書に組み込み、本明細書の記載の一部とする。
2…清掃体
10…工具本体
20…ハウジング
30…送出ボビン
40…巻取ボビン
100…延出部材
105…清掃シャフト
110…ヘッド部材
120…押圧部
121…押圧面
140…本体部
141…上面
141a…第3の領域
141b…第4の領域
145…下面
145a…第1の領域
145b…第2の領域
170…支持部材
190…筒状部材
191…筒部
192…先端部
194…内孔
194a…上面
194b…下面
200…光コネクタ
210…フェルール
Claims (5)
- 光コネクタの接続端面を清掃する光コネクタ清掃工具であって、
帯状の清掃体を供給する供給部と、
前記供給部から供給された前記清掃体を前記接続端面に押し付ける押圧面を持つヘッド部と、前記ヘッド部を支持する支持部と、を有する清掃シャフトと、
前記押圧面から前記清掃体を回収する回収部と、
前記ヘッド部が突出するように前記清掃シャフトを収容した内孔を有する筒状部材と、を備え、
前記押圧面から前記回収部に回収される前記清掃体は、前記内孔の内面と、前記ヘッド部において前記内面と対向する第1の対向部と、の間を通過し、
前記第1の対向部は、
前記内面と前記第1の対向部との間に前記清掃体が介在する第1の領域と、
前記第1の領域に隣接する第2の領域と、を含み、
前記内面と前記第1の領域との間の第1の隙間は、前記内面と前記第2の領域との間の第2の隙間よりも広い光コネクタ清掃工具。 - 請求項1に記載の光コネクタ清掃工具であって、
前記内面において前記第1の対向部と対向する部分は、外側に向かって凹んだ円弧状の断面形状を有している光コネクタ清掃工具。 - 請求項1又は2に記載の光コネクタ清掃工具であって、
前記内面において前記第1の対向部と対向する部分は、外側に向かって凹んだ段差状の断面形状を有している光コネクタ清掃工具。 - 請求項1~3のいずれか一項に記載の光コネクタ清掃工具であって、
前記供給部から前記押圧面に供給される前記清掃体は、前記内孔の内面と、前記ヘッド部において前記内面と対向する第2の対向部と、の間を通過し、
前記第2の対向部は、
前記内面と前記第2の対向部との間に前記清掃体が介在する第3の領域と、
前記第3の領域に隣接する第4の領域と、を含み、
前記内面と前記第3の領域との間の第3の隙間は、前記内面と前記第4の領域との間の第4の隙間よりも広い光コネクタ清掃工具。 - 請求項1~4のいずれか一項に記載の光コネクタ清掃工具であって、
前記供給部は、使用前の前記清掃体を送り出す送出ボビンを含み、
前記回収部は、使用済みの前記清掃体を巻き取る巻取ボビンを含み、
前記光コネクタ清掃工具は、
前記送出ボビンと前記巻取ボビンを収容した工具本体と、
前記工具本体に対する前記清掃シャフトの相対移動に伴って、前記巻取ボビンを回転駆動させることで、前記清掃体を前記巻取ボビンに巻回する駆動機構と、を備えた光コネクタ清掃工具。
Priority Applications (4)
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JP2023529492A JP7549146B2 (ja) | 2021-06-23 | 2022-02-10 | 光コネクタ清掃工具 |
EP22827914.7A EP4361689A1 (en) | 2021-06-23 | 2022-02-10 | Optical connector cleaning tool |
US18/285,161 US20240184059A1 (en) | 2021-06-23 | 2022-02-10 | Optical connector cleaning tool |
CN202280026761.7A CN117157569A (zh) | 2021-06-23 | 2022-02-10 | 光连接器清扫工具 |
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JP2021-104165 | 2021-06-23 | ||
JP2021104165 | 2021-06-23 |
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JP (1) | JP7549146B2 (ja) |
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US20030098045A1 (en) * | 2001-11-29 | 2003-05-29 | 3M Innovative Properties Company | Article and process for cleaning optical surfaces |
JP2005181971A (ja) * | 2003-08-13 | 2005-07-07 | Seikoh Giken Co Ltd | 光ファイバコネクタ用クリーナ、及び光ファイバコネクタの接続面の清掃方法 |
JP2007003901A (ja) * | 2005-06-24 | 2007-01-11 | Fujikura Ltd | 光コネクタ清掃工具および光部品清掃工具 |
JP2014035489A (ja) | 2012-08-09 | 2014-02-24 | Fujikura Ltd | 光コネクタ清掃工具及び光コネクタ清掃方法 |
JP2014035491A (ja) | 2012-08-09 | 2014-02-24 | Fujikura Ltd | 光コネクタ清掃工具及び光コネクタ清掃方法 |
JP2014035490A (ja) | 2012-08-09 | 2014-02-24 | Fujikura Ltd | 光コネクタ清掃工具及び光コネクタ清掃方法 |
WO2014141405A1 (ja) * | 2013-03-13 | 2014-09-18 | エヌ・ティ・ティ・アドバンステクノロジ株式会社 | 光コネクタ用清掃具 |
JP2014206733A (ja) * | 2013-03-18 | 2014-10-30 | 株式会社精工技研 | 光ファイバコネクタ清掃用クリーナ |
JP2021104165A (ja) | 2019-12-26 | 2021-07-26 | サミー株式会社 | ぱちんこ遊技機 |
-
2022
- 2022-02-10 WO PCT/JP2022/005384 patent/WO2022269991A1/ja active Application Filing
- 2022-02-10 JP JP2023529492A patent/JP7549146B2/ja active Active
- 2022-02-10 CN CN202280026761.7A patent/CN117157569A/zh active Pending
- 2022-02-10 EP EP22827914.7A patent/EP4361689A1/en active Pending
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US20030098045A1 (en) * | 2001-11-29 | 2003-05-29 | 3M Innovative Properties Company | Article and process for cleaning optical surfaces |
JP2005181971A (ja) * | 2003-08-13 | 2005-07-07 | Seikoh Giken Co Ltd | 光ファイバコネクタ用クリーナ、及び光ファイバコネクタの接続面の清掃方法 |
JP2007003901A (ja) * | 2005-06-24 | 2007-01-11 | Fujikura Ltd | 光コネクタ清掃工具および光部品清掃工具 |
JP2014035489A (ja) | 2012-08-09 | 2014-02-24 | Fujikura Ltd | 光コネクタ清掃工具及び光コネクタ清掃方法 |
JP2014035491A (ja) | 2012-08-09 | 2014-02-24 | Fujikura Ltd | 光コネクタ清掃工具及び光コネクタ清掃方法 |
JP2014035490A (ja) | 2012-08-09 | 2014-02-24 | Fujikura Ltd | 光コネクタ清掃工具及び光コネクタ清掃方法 |
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JP2021104165A (ja) | 2019-12-26 | 2021-07-26 | サミー株式会社 | ぱちんこ遊技機 |
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JPWO2022269991A1 (ja) | 2022-12-29 |
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