WO2021153645A1 - Outil de nettoyage pour connecteur optique - Google Patents

Outil de nettoyage pour connecteur optique Download PDF

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Publication number
WO2021153645A1
WO2021153645A1 PCT/JP2021/002955 JP2021002955W WO2021153645A1 WO 2021153645 A1 WO2021153645 A1 WO 2021153645A1 JP 2021002955 W JP2021002955 W JP 2021002955W WO 2021153645 A1 WO2021153645 A1 WO 2021153645A1
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WIPO (PCT)
Prior art keywords
cleaning
optical connector
head
take
control
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Application number
PCT/JP2021/002955
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English (en)
Japanese (ja)
Inventor
鈴木　正義
後藤　誠
Original Assignee
株式会社巴川製紙所
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Application filed by 株式会社巴川製紙所 filed Critical 株式会社巴川製紙所
Priority to JP2021574089A priority Critical patent/JPWO2021153645A1/ja
Publication of WO2021153645A1 publication Critical patent/WO2021153645A1/fr

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    • 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

Definitions

  • a cleaning tool for an optical connector for cleaning an optical connector As a cleaning tool for an optical connector for cleaning an optical connector, a cleaning tool for moving the non-woven fabric in a state where the non-woven fabric is in contact with the end face of the ferrule of the optical connector is known (see, for example, Patent Documents 1 and 2). ..
  • the cleaning tool for the optical connector described above is a mechanism for wiping the end face of the ferrule with a cloth
  • members such as the ferrule of the optical connector may be charged. Due to the charging, dust may be attracted to the end face of the ferrule of the optical connector, or an electrical defect may occur. Further, when the ferrule end face is wiped with a cloth, dust may slide on the ferrule end face of the optical connector, and the ferrule end face may be damaged.
  • the present invention has been made in view of the above points, and an object of the present invention is to provide a cleaning tool for an optical connector that can accurately remove dust from the end face of a ferrule of an optical connector.
  • the features of the optical connector cleaning tool according to the present invention are The main body, which is formed to be transportable and holds a sticky cleaning body, A head for bringing the cleaning body into contact with the optical connector, A control body that is relatively movable with respect to the main body and is in a first position that makes the head inaccessible to the optical connector, or in a state in which the head can contact the optical connector.
  • the control body positioned at the second position to be A transmission state that transmits the operation of the control body to the cleaning body or a motion transmission body that does not transmit the operation of the control body is provided. In the movement from the first position to the second position, the control body causes the motion transmitter to be in a non-delivery state and does not convey the cleaning body.
  • the control body conveys the cleaning body with the motion transmitter in a transmission state when moving from the second position to the first position.
  • Dust can be accurately removed from the end face of the ferrule of the optical connector.
  • FIG. 1 It is a perspective view which shows the outline of the whole of the cleaning tool 10 by 1st Embodiment. It is a perspective view which shows the outline of the whole cleaning tool 10 by 1st Embodiment and an optical connector OC. It is a side view which shows the left side surface of the cleaning tool 10 by 1st Embodiment. It is a side view which shows the right side surface of the cleaning tool 10 by 1st Embodiment. It is a perspective view which shows the state which removed the right housing 110R of the cleaning tool 10 by 1st Embodiment. It is a perspective view which shows the state which the left housing 110L of the cleaning tool 10 by 1st Embodiment was removed. FIG.
  • FIG. 5 is a perspective view showing a state in which the supply reel 200 and the take-up reel 300 of the cleaning tool 10 according to the first embodiment are removed. It is a perspective view which shows the structure of the right housing 110R of the cleaning tool 10 by 1st Embodiment. It is a perspective view which shows the structure of the left housing 110L of the cleaning tool 10 by 1st Embodiment. It is a perspective view which shows the structure of the head part 400 (the head part 400 and the head holding body 420) of the cleaning tool 10 by 1st Embodiment. It is a perspective view which shows the path of the cleaning body CT in the head part 400 of the cleaning tool 10 by 1st Embodiment.
  • the main body which is formed to be transportable and holds a sticky cleaning body, A head for bringing the cleaning body into contact with the optical connector, A control body that is relatively movable with respect to the main body and is in a first position that makes the head inaccessible to the optical connector, or in a state in which the head can contact the optical connector.
  • the control body positioned at the second position to be A transmission state that transmits the operation of the control body to the cleaning body or a motion transmission body that does not transmit the operation of the control body is provided.
  • control body In the movement from the first position to the second position, the control body causes the motion transmitter to be in a non-delivery state and does not convey the cleaning body.
  • the control body is provided with an optical connector cleaning tool that conveys the cleaning body with the motion transmitting body in a transmitting state when moving from the second position to the first position.
  • the optical connector cleaning tool includes a main body, a head, a control body, and an operation transmitter.
  • the main body holds the cleaning body.
  • the main body preferably houses and holds the cleaning body so that it can be moved.
  • the main body holds the control body movably.
  • the body preferably holds the motion transmitter operably.
  • the cleaning body is formed so as to be transportable.
  • the cleaning body is formed in a continuous body.
  • the cleaning body has an elongated shape and can move along the longitudinal direction.
  • the cleaning body has a tape-like shape.
  • the cleaning body is sticky. Due to its adhesiveness, dust is transferred and removed.
  • the cleaning body has a resin layer having adhesiveness. The adhesiveness can be controlled by the type of resin. The type of resin may be determined according to the dust.
  • the head brings the cleaning body into contact with the optical connector. By bringing the cleaning body into contact with the optical connector, dust is transferred and removed.
  • the shape and size of the head may be matched to the optical connector to be cleaned. Specifically, the shape and size of the head may be determined by the structure such as the shape and size of the ferrule of the optical connector.
  • the control body can move relative to the main body.
  • the movement may be a movement along a straight line or a movement along a curved line. It may be determined according to the form of the main body or the cleaning body such as reciprocating movement or rotational movement.
  • the control body is positioned at least in the first position or the second position. It suffices that the controls can be positioned at a plurality of positions different from each other.
  • the first position is a position where the head cannot contact the optical connector.
  • the first position is a position where the head is separated from the optical connector.
  • the second position is a position where the head can be brought into contact with the optical connector.
  • the second position is a position where the head abuts on the optical connector.
  • the motion transmitter has a transmission state or a non-delivery state.
  • the transmission state is a state in which the operation of the control body is transmitted to the cleaning body. In the transmission state, the cleaning body is conveyed by the operation of the control body.
  • the non-delivery state is a state in which the operation of the control body is not transmitted to the cleaning body. The cleaning body is not transported by the operation of the control body.
  • control body moves from the first position to the second position, it does not transmit the movement operation and does not convey the cleaning body. That is, when the head is moved from a position where it cannot contact the optical connector to a position where it can contact the optical connector, the movement operation is not transmitted and the cleaning body is not conveyed. In other words, the cleaning body is not transported before the cleaning is started.
  • control body when the control body moves from the second position to the first position, the control body transmits the movement operation and conveys the cleaning body. That is, when the head is moved from a position where it can contact the optical connector to a position where it cannot contact the optical connector, the movement operation is transmitted and the cleaning body is conveyed. In other words, after the cleaning is completed, the cleaning body is transported and the clean cleaning body is ready for use.
  • the cleaning target is not limited to the ferrule of the optical connector as long as it can be cleaned with an adhesive cleaning body.
  • the second embodiment is the first embodiment.
  • the control body has a hollow structure capable of accommodating the head. When the control body is in the first position, the head is housed in the control body. When the control body is in the second position, the head is exposed from the control body.
  • the head When the control body is in the first position, the head is housed in the control body. It is possible to prevent contamination of the cleaning body. Also, when the control body is located in the second position, the head can be exposed from the control body to clean the optical connector.
  • the third embodiment is the third embodiment, in the first embodiment.
  • the control body moves relative to the main body by pressing with the optical connector.
  • the control body can be moved without touching the operator's hand, and the cleaning body can be less likely to be contaminated.
  • the fourth embodiment is the second embodiment.
  • the control body has an opening through which the head can pass.
  • a shield that opens or closes the opening is provided.
  • the fifth embodiment is the fourth embodiment. It has an urging means for generating an urging force that opens or closes the shield.
  • the shield By opening or closing by the urging force, the shield can be controlled without the hands of the operator, so the cleaning body can be less likely to be contaminated.
  • the sixth embodiment is the fourth embodiment. It has a connecting body that connects the motion transmitter to the shielding body and opens or closes the shielding body.
  • the adhesive cleaning body is brought into contact with the ferrule end face OE of the optical connector OC, and dust or the like is transferred from the end face of the optical connector OC to the cleaning body.
  • This is a cleaning tool for cleaning the optical connector OC.
  • the cleaning body is a continuous body that extends continuously.
  • the cleaning body has a long tape-like shape. After cleaning the ferrule end face OE of the optical connector OC, the contaminated cleaning body is moved to guide the clean part of the cleaning body to the head portion.
  • the cleaning tool for the optical connector according to the first embodiment has a configuration in which the cleaning body is moved after cleaning and the clean cleaning body is guided to the head portion in advance. With this configuration, the next time cleaning is performed, the cleaning work can be performed immediately, and the work efficiency can be improved. Immediately after the cleaning body is moved, residual heat due to friction, residual energy, plastic deformation, and hysteresis loss (history loss) may occur in the cleaning body and surrounding members. By guiding the cleaning body to the head portion in advance, it is possible to provide a sufficient time to alleviate the effects, prevent these effects, and accurately remove the dust.
  • a shielding member such as a shutter can be provided on the head portion so as to be openable and closable.
  • the cleaning tool for the optical connector can be stored without contaminating the clean cleaning body.
  • the shielding member makes it easy to handle the cleaning tool for the optical connector.
  • the shielding member preferably opens and closes in conjunction with the operation of the operator's cleaning work. It is possible to prevent contamination of the cleaning body while maintaining the efficiency of the cleaning work. Further, the shielding member may be opened and closed by using a driving force such as an urging force of a spring.
  • FIG. 1 is a perspective view showing an overall outline of the cleaning tool 10 according to the first embodiment.
  • FIG. 2 is a perspective view showing an overall outline of the cleaning tool 10 according to the first embodiment and an optical connector OC.
  • FIG. 3 is a side view showing the left side surface of the cleaning tool 10 according to the first embodiment.
  • FIG. 4 is a side view showing the right side surface of the cleaning tool 10 according to the first embodiment.
  • FIG. 5 is a perspective view showing a state in which the right housing 110R of the cleaning tool 10 according to the first embodiment is removed.
  • FIG. 6 is a perspective view showing a state in which the left housing 110L of the cleaning tool 10 according to the first embodiment is removed.
  • FIG. 7 is a perspective view showing a state in which the supply reel 200 and the take-up reel 300 of the cleaning tool 10 are removed according to the first embodiment.
  • FIG. 8 is a perspective view showing the configuration of the right housing 110R of the cleaning tool 10 according to the first embodiment.
  • FIG. 9 is a perspective view showing the configuration of the left housing 110L of the cleaning tool 10 according to the first embodiment.
  • FIG. 10 is a perspective view showing the configuration of the head portion 400 (head portion 400 and head holder 420) of the cleaning tool 10 according to the first embodiment.
  • FIG. 11 is a perspective view showing a path of the cleaning body CT in the head portion 400 of the cleaning tool 10 according to the first embodiment.
  • FIG. 12 is a cross-sectional view showing a path of the cleaning body CT in the head portion 400 of the cleaning tool 10 according to the first embodiment.
  • the cap 160 is omitted for convenience.
  • the cleaning tool 10 is a cleaning tool (cleaning tool) for the optical connector for cleaning the ferrule end face OE of the optical connector OC by using the cleaning body CT.
  • the side or direction in which the cleaning head 410 of the cleaning tool 10 is located is the front side or the front direction
  • the side or direction in which the housing 100 is located is the rear side or the rear direction.
  • the front-rear direction may be referred to as the longitudinal direction of the head portion 400.
  • the right side or direction from the rear side to the front side is referred to as the right side or the right direction
  • the left side or the direction from the rear side to the front side is referred to as the left side.
  • the side or direction in which the coil spring 140 is located is referred to as a lower side, a lower direction or a lower portion, and the side or direction in which the supply reel 200 or the take-up reel 300 is located is referred to as an upper side, an upper direction or an upper portion.
  • the side that sends out and supplies the cleaning body CT is referred to as the upstream side, and the side on which the cleaning body CT is wound is referred to as the downstream side.
  • the supply reel 200, which will be described later, is upstream, and the take-up reel 300 is downstream.
  • the cleaning body CT is long and flexible, and has at least a resin layer, and the resin layer removes dirt such as dust by contacting the ferrule end face OE and the guide pin GP of the optical connector OC. can do.
  • the cleaning body CT has, for example, an integrally continuous shape such as a tape-like shape or a thread-like shape.
  • the width of the cleaning body CT is not particularly limited.
  • the width of the cleaning body CT can be equal to or larger than the width of the ferrule end face OE of the optical connector OC. Further, the width of the cleaning body CT can be made larger than the width including the guide pin GP.
  • the thickness of the cleaning body CT is not particularly limited, but can be, for example, 0.05 mm to 2 mm.
  • the cleaning body CT may be a resin layer alone or may be laminated on a base material. Further, the release film may be laminated.
  • the base material can be used as a support material when the resin layer alone cannot support the cleaning body CT.
  • the release film can be used to protect the cleaning surface of the cleaning body CT from dirt and damage while the cleaning tool 10 of the present invention is not in use.
  • the cleaning body CT is sent to the cleaning body head and brought into contact with the ferrule end face OE and the guide pin GP of the optical connector OC on the cleaning body head.
  • the base material is laminated on the surface of the resin layer in contact with the cleaning body head.
  • the release film is laminated on the surface of the resin layer opposite to the base material. The release film is peeled off and excluded from the cleaning body CT before the cleaning body CT reaches the cleaning body head.
  • the resin layer is not particularly limited as long as dirt can be removed by contact with the ferrule end face OE of the optical connector OC and the guide pin GP, and for example, an adhesive, a resin foam (foam), and a guide pin GP are embedded. Examples thereof include resins, non-woven fabrics, and woven fabrics that have flexibility to pierce or penetrate.
  • the material of the pressure-sensitive adhesive known materials can be used, and examples thereof include rubber-based pressure-sensitive adhesives, acrylic-based pressure-sensitive adhesives, silicone-based pressure-sensitive adhesives, urethane-based pressure-sensitive adhesives, and the like. Additives such as a tackifier and a filler may be blended in these pressure-sensitive adhesives.
  • Known pressure-sensitive adhesives have the advantage that they are easily available and that the adhesive strength and the effect of preventing adhesive residue can be easily modified.
  • the adhesive may be an adhesive as long as it has a function of adhering dirt to the cleaning body CT by contact, and for example, an olefin adhesive having weak adhesiveness can be used.
  • the adhesive preferably has measures to suppress or prevent contamination of the ferrule end face OE of the optical connector OC, such as adhesive residue, when it comes into contact with the ferrule end face OE of the optical connector OC and the guide pin GP.
  • the resin foam (foam) known ones can be used.
  • the mechanism by which dirt can be captured on the cleaning surface formed by the resin foam (foam) needs to be verified for elucidation. For example, dirt pressed against the flexible cleaning surface is buried in the resin foam (foam) ( Alternatively, it is considered as an example that it becomes difficult to separate from the cleaning surface due to (semi-buried) and is trapped by the resin foam (foam).
  • the resin foam (foam) does not adhere to the guide pin GP even if it penetrates the guide pin GP. This is because the resin foam (foam) has air bubbles, so it is a very flexible material, and the guide pin GP easily pierces and penetrates. Therefore, when the guide pin GP pierces and penetrates the resin foam (foam), the resin foam (foam) is entangled with the side surface portion of the guide pin GP and efficiently removes dust on the side surface portion of the guide pin GP. It is thought that it can be done. Even if it is not a resin foam, it can be preferably used as long as it does not cause foreign matter to adhere to the guide pin GP due to penetration.
  • the material of the resin foam (foam) is not particularly limited, and known materials can be used.
  • (Foam) can be mentioned. At least one or a combination of these materials can be used.
  • urethane foam is preferable because it has excellent flexibility and low compression residual strain.
  • it is also preferable to use (meth) acrylic foam because it has excellent strength, light weight, and heat insulation.
  • the characteristics of the urethane foam and the characteristics of the acrylic foam can be adjusted according to the application, etc., depending on the mixing ratio. It is preferable because it can be adjusted.
  • the structure of the bubbles contained in the resin foam (foam) is not particularly limited, and known ones can be used.
  • the structure of the bubbles is a closed cell structure in which each bubble exists independently in the resin foam (foam), or an open cell structure in which each bubble is continuously connected in the resin foam (foam).
  • the open cell structure includes a case where each bubble is connected by a communication through hole, and a case where the wall portion of the closed cell is broken and connected.
  • the resin foam (foam) having an open cell structure is preferable because the guide pin GP can easily pierce or penetrate the resin foam (foam) and can efficiently remove dust.
  • the method for producing the resin foam (foam) is not particularly limited, and the foam can be produced by a known method.
  • the resin foam (foam) may be manufactured by either chemical foaming or physical foaming, or may be an open cell foam in which closed cells are formed and then the bubbles are physically crushed and communicated.
  • the method for producing a foam disclosed in Japanese Patent Application Laid-Open No. 2012-56985 is suitable.
  • the resin having the flexibility known ones can be used, and examples thereof include polyurethane resin and polyacrylic resin. Further, a gel material obtained by gelling them can be included. As the gel material, a flexible polyurethane resin or the like, which is generally called a polyurethane gel, can be used. The gel material is easily deformed, and at the same time, the guide pin GP can be easily embedded, pierced or penetrated. In this case, even if the adhesive strength of the gel material is weak, dirt can be removed from the ferrule end face OE and guide pin GP of the optical connector OC by embedding effect due to the softness of flexible polyurethane and by piercing or penetrating. Can be done.
  • the gel material is slightly adhesive
  • the optical connector OC can be easily attached and detached, no adhesive residue, etc., and the surface of the soft polyurethane to which dirt has adhered can be cleaned with a dust-free cloth moistened with water. , Can be reused.
  • a soft composition disclosed in JP-A-2001-316448 can be preferably used.
  • the material of the base material is not particularly limited, and known materials can be used.
  • synthetic resins resins such as natural resins, rubbers such as natural rubbers and synthetic rubbers, natural fibers, synthetic fibers, fibers, and paper formed in a sheet shape can be used. Any of these materials can be used as long as the effects of the present invention are not impaired.
  • extruded resin sheets narrow cutting of resin sheets, twisting of fibers, weaving of fibers (mesh material, woven fabric, etc.), laminated cloth, non-woven fabric, paper and the like can be used.
  • a mesh material having a mesh structure with a mesh size of about 0.5 to 2.0 mm can be used.
  • the cleaning body CT and the optical connector OC come into contact with each other, when the cleaning body CT is deformed so as to follow the shapes of the guide pin GP and the hole, the cleaning body CT needs to have flexibility.
  • the base material an olefin-based or polyvinyl chloride-based synthetic resin is suitable.
  • a base material having a structure that easily penetrates or a material that easily penetrates the cleaning body CT For example, a braided fiber, a laminated cloth, a non-woven fabric, or the like having a net-like structure can be preferably used.
  • a part of the resin layer can be in a state of being invaded (impregnated) into the voids of the base material. .. In such a state, the adhesion between the base material and the resin layer becomes strong. Therefore, when the ferrule end face OE or guide pin GP of the optical connector OC is removed from the cleaning body CT, the resin layer is separated from the base material and adheres to the ferrule end face OE or guide pin GP of the optical connector OC. There is also an advantage that it is less likely to occur.
  • Paper, non-woven fabric, woven fabric, or resin film can be preferably used as the base material of the material that can be easily penetrated.
  • the resin that can be easily penetrated is not particularly limited, but is a resin that easily breaks after showing a certain elongation, such as a polyolefin resin such as polyethylene resin, or a uniaxially stretched or biaxially stretched polypropylene resin (PP).
  • a resin that has been easily cut such as polyethylene terephthalate resin (PET) or the like, can be preferably used.
  • the material of the release film can be a known material and is not particularly limited. It suffices that the surface of the sheet-like material such as a resin film or paper on the resin layer side is peeled.
  • the peeling process is not particularly limited, and examples thereof include a method of applying a peeling agent such as dimethylsiloxane.
  • the cleaning tool 10 mainly includes a housing 100, a supply reel 200, a take-up reel 300, a head portion 400, and a take-up control body 500.
  • the housing 100, the supply reel 200, the take-up reel 300, the head portion 400, and the take-up control body 500 are formed of ABS resin (acrylonitrile, butadiene, styrene copolymer synthetic resin), POM (polyacetal) resin, or the like.
  • the materials of the housing 100, the supply reel 200, the take-up reel 300, the head portion 400, and the take-up control body 500 are not limited to these, and may be any material having a certain shape and durability.
  • the housing 100 rotatably holds the supply reel 200 and the take-up reel 300.
  • the housing 100 has an elongated shape in the front-rear direction.
  • the housing 100 stores the supply reel 200 and the take-up reel 300 side by side in the front-rear direction.
  • the take-up reel 300 is located on the front side and the supply reel 200 is located on the rear side.
  • the housing 100 has a recess 150 in the region between the supply reel 200 and the take-up reel 300.
  • the operator's finger can be easily engaged with the recess 150, and the operation can be performed easily and accurately.
  • the housing 100 has a right housing 110R and a left housing 110L.
  • the housing that constitutes the right side portion of the housing 100 is the right housing, and the housing that constitutes the left side portion of the housing 100 is the left housing.
  • the right housing 110R has a locking claw 154 and the left housing 110L has a locking hole 152.
  • the outer shape of the right housing 110R and the outer shape of the left housing 110L are formed substantially line-symmetrically.
  • the housing 100 can be integrally formed by facing the right housing 110R and the left housing 110L and locking the locking claw of the right housing 110R into the locking hole of the left housing 110L.
  • the right housing 110R is a housing that constitutes the right side portion of the housing 100.
  • ⁇ Guide groove 112R> At the lower part of the right housing 110R, two guide groove portions 112R are formed parallel to each other along the front-rear direction.
  • the two guide groove portions 112R have an elongated shape.
  • the stopper 114RF and the stopper 114RR are arranged below the right housing 110R.
  • the stopper 114RF is arranged on the front side of the right housing 110R, and the stopper 114RR is arranged on the rear side of the stopper 114RF.
  • the stopper 114RR defines the maximum front position MF of the take-up control body 500, and the stopper 114RF defines the maximum rear position MR of the take-up control body 500.
  • the stopper 114RF and the stopper 114RR engage with the movement control hole 514R formed on the right side of the take-up control body 500.
  • the stopper 114RR stops the take-up control body 500 at the maximum front position MF (state of FIG. 13A described later).
  • the stopper 114RF stops the take-up control body 500 at the maximum rear position MR (state of FIG. 14A described later).
  • the stopper 114RF engages with the front locking hole 424RF formed on the right side surface of the head holder 420.
  • the stopper 114RR engages with the rear locking hole 424RR formed on the right side surface of the head holder 420.
  • the head holder 420 is locked to the housing 100.
  • the front projecting portion 116 and the rear projecting portion 118 are formed so as to project toward the right.
  • the through hole 330 of the take-up reel 300 is inserted into the front protrusion 116.
  • the front protrusion 116 rotatably holds the take-up reel 300.
  • the through hole 230 of the supply reel 200 is inserted into the rear protrusion 118.
  • the rear protruding portion 118 rotatably holds the supply reel 200.
  • the remaining amount confirmation window 120 is a through hole for visually recognizing the amount (remaining amount) of the remaining cleaning body CT wound around the supply reel 200. The operator can check the remaining amount of the cleaning body CT and proceed with the operation.
  • the spring holding portion 124R faces the spring holding portion 124L (described later) of the left housing 110L and holds the coil spring 140 so as to be expandable and contractible.
  • the shape (coil shape) of the coil spring 140 can be maintained and the coil spring 140 can be stably held.
  • the spring locking accommodating portion 128 accommodates the spring locking accommodating portion 126 formed in the left housing 110L, which will be described later. By covering the spring locking portion 126 with the spring locking accommodating portion 128, the fixed end portion 142 of the coil spring 140 can be held by the spring locking portion 126.
  • ⁇ Left housing 110L >> ⁇ Guide groove 112L>
  • two guide groove portions 112L are formed parallel to each other along the front-rear direction.
  • the two guide groove portions 112L have an elongated shape.
  • the stopper 114LF and the stopper 114LR are arranged at the lower part of the left housing 110L.
  • the stopper 114LF is arranged on the front side of the left housing 110L, and the stopper 114LR is arranged on the rear side of the stopper 114LF.
  • the stopper 114LR defines the maximum front position MF of the take-up control body 500, and the stopper 114LF defines the maximum rear position MR of the take-up control body 500.
  • the stopper 114LF and the stopper 114LR engage with the movement control hole 514L formed on the left side of the take-up control body 500.
  • the stopper 114LR stops the take-up control body 500 at the maximum front position MF (state of FIG. 13A described later).
  • the take-up control body 500 is stopped at the stopper 114LF and the maximum rear position MR (state of FIG. 14A described later).
  • the stopper 114LF engages with the front locking hole 424LF formed on the left side surface of the head holder 420.
  • the stopper 114LR engages the rear locking hole 424LR formed on the left side surface of the head holder 420.
  • the head holder 420 is locked to the housing 100.
  • the pawl holding portion 122R is formed in a concave shape (recessed shape), and can accommodate and hold the fixed end portion 182 of the pawl 180 for the supply reel.
  • a fixed end 182 of the supply reel pawl 180 is fixed to the pawl holding portion 122R.
  • the pawl holding portion 122F is formed in a concave shape (recessed shape), and can accommodate and hold the fixed end portion 192 of the take-up reel pawl 190.
  • the fixed end 192 of the take-up reel pawl 190 is fixed to the pawl holding portion 122F.
  • the spring holding portion 124L faces the spring holding portion 124R and holds the coil spring 140 so as to be expandable and contractible.
  • the spring locking portion 126 locks the fixed end portion 142 of the coil spring 140.
  • the spring locking portion 126 can stably hold the coil spring 140 even when the coil spring 140 expands and contracts.
  • the spring locking portion 126 is housed in the spring locking housing portion 128 formed in the right housing 110R described above.
  • the fixed end 142 of the coil spring 140 can be prevented from coming off the spring locking portion 126.
  • a cleaning body guide roller 130F is rotatably provided between the take-up reel 300 and the housing 100.
  • the cleaning body guide roller 130F has a substantially cylindrical shape.
  • the cleaning body guide roller 130F abuts on the cleaning body CT to bend the cleaning body CT and change the moving direction of the cleaning body CT. Specifically, the direction of the cleaning body CT returned from the cleaning head 410 can be changed to guide the user toward the take-up reel 300.
  • the cleaning body CT can be stably wound on the take-up reel 300.
  • a cleaning body guide roller 130R is rotatably provided between the supply reel 200 and the take-up reel 300.
  • the cleaning body guide roller 130R has a substantially cylindrical shape.
  • the cleaning body guide roller 130R abuts on the cleaning body CT to bend the cleaning body CT and change the moving direction of the cleaning body CT.
  • the cleaning body CT sent out from the supply reel 200 can be changed in a certain direction and guided toward the cleaning head 410.
  • By adjusting the cleaning body CT so as to face a certain direction it can be stably sent toward the cleaning head 410 without depending on the remaining amount of the cleaning body CT wound around the supply reel 200. ..
  • the coil spring 140 is a spring formed in a coil shape, and is formed so as to be expandable and contractible. In each figure, for convenience, the coil spring 140 is shown in a columnar shape. The coil spring 140 generates an urging force according to the state of expansion and contraction.
  • the coil spring 140 has two ends, a fixed end 142 and a moving end 144. The fixed end portion 142 is locked to the spring locking portion 126 of the left housing 110L. The moving end portion 144 is engaged with the coil spring pressing portion 540 of the take-up control body 500. When the take-up control body 500 moves to the rear side, the coil spring 140 contracts, and when the take-up control body 500 moves to the front side, the coil spring 140 expands. The coil spring 140 applies an urging force to the take-up control body 500.
  • the feed reel pawl 180 has a leaf spring structure, and has a fixed end portion 182 and a leaf spring portion 184.
  • the fixed end portion 182 is fixed to the pawl holding portion 122R of the left housing 110L.
  • the leaf spring portion 184 has a long shape and can be elastically deformed by bending in a direction perpendicular to the longitudinal direction.
  • the tip of the leaf spring portion 184 has an engaging end 186.
  • the engaging end 186 has a bent shape.
  • the engaging end 186 engages with the ratchet gear 222 of the pinion body 220 of the supply reel 200.
  • the leaf spring portion 184 functions as a ratchet claw. The ratchet mechanism by the leaf spring portion 184 will be described later.
  • the take-up reel pawl 190 has a leaf spring structure, and has a fixed end portion 192 and a leaf spring portion 194.
  • the fixed end portion 192 is fixed to the pawl holding portion 122F of the left housing 110L.
  • the leaf spring portion 194 has a long shape and can be elastically deformed by bending in a direction perpendicular to the longitudinal direction.
  • the tip of the leaf spring portion 194 has an engaging end 196.
  • the engaging end 196 has a bent shape.
  • the engaging end 196 engages with the ratchet gear 322 of the pinion body 320 of the take-up reel 300.
  • the leaf spring portion 194 functions as a ratchet claw. The ratchet mechanism by the leaf spring portion 194 will be described later.
  • the cap 160 is a covering body for detachably covering the cleaning head 410. By covering the cleaning head 410 with the cap 160, it is possible to prevent contamination of the resin layer RL of the cleaning body CT.
  • a cap holding portion 170 is formed at the rear portion of the housing 100. When cleaning with the cleaning tool 10, it is necessary to remove the cap 160 from the cleaning head 410. By attaching the removed cap 160 to the cap holding portion 170, the operator can clean the cap 160 without holding it by hand, and the cleaning work can be simplified.
  • the supply reel 200 mainly has a left supply reel frame 210L and a right supply reel frame 210R. An unused cleaning body CT is wound between the left supply reel frame 210L and the right supply reel frame 210R so that it can be sent out (supplied).
  • the left supply reel frame 210L has a substantially disk-like shape.
  • the left supply reel frame 210L mainly has a pinion body 220, a fixing portion 224, and a through hole 230.
  • the left supply reel frame 210L has a pinion body 220.
  • the pinion body 220 is formed on the outside of the left supply reel frame 210L (the side facing the left housing 110L).
  • the pinion body 220 has a substantially cylindrical shape with a low height.
  • the pinion body 220 is formed coaxially with the left supply reel frame 210L.
  • a ratchet gear (ratchet gear) 222 is formed along the outer peripheral surface of the pinion body 220.
  • the ratchet gear 222 is composed of a row of teeth having a tooth surface asymmetric with respect to the radial direction of the supply reel 200.
  • the teeth of the ratchet gear 222 have a tooth surface with a small pressure angle (a tooth surface with a steep inclination (large inclination)) (hereinafter referred to as a large inclined tooth surface) and a tooth surface with a large pressure angle (tilt) with the tip of the tooth sandwiched.
  • Is composed of a loose (small inclination) tooth surface) hereeinafter referred to as an inclined small tooth surface).
  • the inclined large tooth surface constitutes an engaging surface
  • the inclined small tooth surface constitutes a slip surface and a sliding surface.
  • a rotation direction for permitting rotation of the supply reel 200
  • a rotation direction for prohibiting rotation.
  • the ratchet gear 222 and the engaging end 186 of the supply reel pawl 180 described above constitute a ratchet mechanism (return prevention mechanism).
  • the supply reel 200 allows rotation in the first rotation direction (for example, clockwise) (rotation permission direction), while the second rotation direction (for example, the direction opposite to the first rotation direction) is opposite to the first rotation direction. , Counterclockwise) rotation can be prohibited (rotation prohibition direction).
  • the fixing portion 224 is formed so as to project from the central portion of the left supply reel frame 210L (see FIG. 5). In the supply reel 200, the fixing portion 224 is arranged toward the right supply reel frame 210R.
  • the fixed portion 224 has a gap (not shown (similar to the gap 326 of the fixed portion 324 of the take-up reel 300 described later)), and the first end portion (not shown) on the longitudinal side of the cleaning body CT is provided.
  • the cleaning body CT is fixed by sandwiching it in the gap.
  • a flat portion 228 is formed at the tip of the fixed portion 224, and the right supply reel frame 210R can be held.
  • a through hole 230 is formed in the center of the left supply reel frame 210L, and a rear protruding portion 118 of the right housing 110R is inserted into the through hole 230.
  • the right supply reel frame 210R has a substantially disk-shaped shape.
  • a circular through hole 232 is formed in the center of the right supply reel frame 210R, and a fixing portion 224 of the left supply reel frame 210L is inserted into the through hole 232.
  • the cleaning body CT is wound in the gap between the left supply reel frame 210L and the right supply reel frame 210R.
  • the unused clean cleaning body CT wound around the supply reel 200 can be gradually sent out and sent out toward the cleaning head 410.
  • the adhesive resin layer is covered by the adjacent cleaning body CT.
  • the cleaning body CT that has been overlapped adjacent to each other is separated to expose the adhesive resin layer.
  • Winding reel 300 has a right take-up reel frame 310R. A used cleaning body CT is wound around the take-up reel 300.
  • Right-hand reel frame 310R has a substantially disk-shaped shape.
  • the right-hand reel frame 310R mainly has a pinion body 320, a fixing portion 324, and a through hole 330.
  • the right take-up reel frame 310R has a pinion body 320.
  • the pinion body 320 is formed on the outside of the right take-up reel frame 310R (the side facing the right housing 110R).
  • the pinion body 320 has a substantially cylindrical shape with a low height.
  • the pinion body 320 is formed coaxially with the right take-up reel frame 310R.
  • a ratchet gear (ratchet gear) 322 is formed along the outer peripheral surface of the pinion body 320.
  • the ratchet gear 322 is composed of a row of teeth having a tooth surface asymmetric with respect to the radial direction of the take-up reel 300.
  • the teeth of the ratchet gear 322 are composed of a tooth surface having a small pressure angle (a tooth surface having a steep inclination) and a tooth surface having a large pressure angle (a tooth surface having a gentle inclination) across the tooth tip.
  • a rotation direction rotation permission direction
  • a rotation prohibition direction for prohibiting rotation.
  • the ratchet mechanism (motion transmission ratchet mechanism) is configured by the ratchet gear 322 and the rack 536 of the take-up control body 500 described later. Further, the ratchet gear 322 and the engaging end 196 of the take-up reel pawl 190 described above constitute a ratchet mechanism (rotation direction defined ratchet mechanism).
  • the fixing portion 324 is formed so as to project from the central portion of the right take-up reel frame 310R. In the take-up reel 300, the fixing portion 324 is arranged toward the left housing 110L. The fixing portion 324 has a gap 326, and the cleaning body CT is fixed by sandwiching the second end portion (not shown) on the longitudinal side of the cleaning body CT in the gap 326. A through hole 330 is formed in the central portion of the right take-up reel frame 310R, and a front protruding portion 116 of the right housing 110R is inserted into the through hole 330.
  • a left take-up reel frame may be provided. By providing the left take-up reel frame, the cleaning body CT after taking up can be accurately held.
  • the head portion 400 is arranged so as to project forward from the housing 100.
  • the head portion 400 has a cleaning head 410 and a head holder 420.
  • the cleaning head 410 has a contact portion 412 for bringing the cleaning body CT into contact with the ferrule end face OE of the optical connector OC.
  • the contact portion 412 has a size and a shape corresponding to the ferrule end face OE of the optical connector OC.
  • the contact portion 412 is formed with two accommodating holes 414 for accommodating the two guide pins GP protruding from the ferrule end surface OE of the optical connector OC.
  • the resin layer RL of the cleaning body CT can reach the root of the guide pin GP of the ferrule end face OE of the optical connector OC, and dust near the root of the guide pin GP can be accurately removed. can do.
  • the removal of dust adhering to the vicinity of the root of the guide pin GP will be described in detail later (see FIGS. 16 and 17 described later).
  • the cleaning head 410 has a long, thin, flat rectangular parallelepiped shape.
  • the cleaning head 410 is held at a fixed position on the front end 426 of the head holder 420, which will be described later.
  • the cleaning body CT sent out from the supply reel is guided by the contact portion 412 and positioned at the contact portion 412.
  • the cleaning head 410 can be detachably provided on the head holder 420. Depending on the ferrule end face OE of the optical connector OC, it can be replaced with the corresponding cleaning head 410 as appropriate.
  • the resin layer RL of the cleaning body CT positioned at the contact portion 412 is made to face the ferrule end face OE of the optical connector OC, and the resin layer RL is brought into contact with the ferrule end face OE of the optical connector OC. Dust present on the ferrule end face OE of the optical connector OC is transferred to the resin layer RL. By this transfer, dust on the ferrule end face OE of the optical connector OC can be removed. After that, the cleaning body CT is wound from the contact portion 412 toward the take-up reel 300. The displacement of the cleaning body CT will be described in detail later.
  • the head holder 420 has a long and constant shape. Specifically, the head holder 420 has a long square tubular shape and a hollow structure.
  • the head holder 420 movably accommodates the cleaning body CT from the supply reel 200 to the take-up reel 300. Specifically, the head holding body 420 is sent out from the supply reel 200, and can move the cleaning body CT until it is wound on the winding reel 300 via the contact portion 412 of the cleaning head 410 described above. Contain.
  • a holding hole 422 is formed on the front side surface of the head holding body 420.
  • a pin 416 (see FIG. 10) formed in the cleaning head 410 is inserted into the holding hole 422. In this way, the cleaning head 410 can be held at a fixed position on the head holder 420.
  • Two locking holes 424RF and 424RR are formed on the right side surface of the rear part of the head holder 420.
  • the locking hole 424RF is formed on the front side, and the locking hole 424RR is formed on the rear side.
  • the front locking hole 424RF engages the stopper 114RF of the right housing 110R, and the rear locking hole 424RF engages the stopper 114RR of the right housing 110R.
  • two locking holes 424LF and 424LR are formed on the left side surface of the rear part of the head holder 420.
  • the locking hole 424LF is formed on the front side
  • the locking hole 424LR is formed on the rear side.
  • the front locking hole 424LF engages the stopper 114LF of the left housing 110L
  • the rear locking hole 424LR engages the stopper 114LR of the left housing 110L.
  • the head portion 400 By locking the head portion 400 to the housing 100 by the locking holes 424RF and 424RR and the locking holes 424LF and 424LR, the head portion 400 can be held at a fixed position on the housing 100.
  • Position of cleaning head 410 The cleaning head 410 is held at a fixed position of the head holder 420 which has a fixed shape and is locked at a fixed position with respect to the housing 100. Therefore, the cleaning head 410 is always located at a fixed position with respect to the housing 100. That is, the cleaning head 410 does not move with respect to the housing 100 before, during, and after the cleaning work, and is always in a fixed position with respect to the housing 100 and the head holder 420. Be retained.
  • the cleaning body CT supplied to the contact portion 412 of the cleaning head 410 can be transferred to the ferrule end face of the optical connector OC. It can be pressed against the OE with a constant force, and dust on the ferrule end face OE can be stably removed without depending on the skill of the operator.
  • the front end of the cleaning head 410 protrudes from the head holding body 420, and the contact portion 412 of the cleaning head 410 is arranged at a position protruding from the head holding body 420.
  • the cleaning body CT can be directed to the outside, and the cleaning body CT supplied to the contact portion 412 can be accurately contacted with the ferrule end surface OE of the optical connector OC.
  • the resin layer RL of the cleaning body CT can be prevented from being contaminated, and a clean state can be maintained.
  • the movable control body 510 which will be described later, is arranged outside the head holding body 420, and the head holding body 420 functions as a partition wall.
  • the head holding body 420 can block the dust and make it difficult for the dust to enter the inside of the head holding body 420, thereby contaminating the resin layer RL. Can be prevented.
  • the coil spring 140 for driving the control body 510 is arranged at the rear part of the housing 100, that is, at a position separated from the head holder 420, and dust is generated by the expansion and contraction of the coil spring 140. Even in this case, contamination of the resin layer RL can be prevented.
  • the coil spring 140 arranged at the rear of the housing 100 is housed inside the spring holding portions 124L and 124R, and the spring holding portions 124L and 124R function as partition walls, and dust spreads due to expansion and contraction of the coil spring 140. Can be prevented.
  • the take-up control body 500 has a control main body 510, a control end face 520, a take-up extension portion 530, and a coil spring pressing portion 540.
  • Control body 510 has a long substantially square tubular shape and penetrates in the longitudinal direction. That is, the control main body 510 has a hollow structure, and the above-mentioned head portion 400 (head holder 420 and cleaning head 410) is housed inside the control main body 510.
  • the control main body 510 can move along the longitudinal direction of the head portion 400 with respect to the head portion 400 housed inside.
  • the control main body 510 can move the outside of the head portion 400 along the longitudinal direction of the head portion 400, and the movement of the control main body 510 causes the entire winding control body 500 to move with respect to the head portion 400 and the housing 100. Can move along the longitudinal direction of the head portion 400.
  • the operation and operation of the take-up control body 500 will be described later.
  • Two guide ridges 512R are formed on the right side surface of the control body 510.
  • the two guiding ridges 512R have an elongated ridge-shaped shape.
  • the two guide ridges 512R are formed at two locations, the upper part and the lower part of the right side surface of the control body 510, parallel to each other along the longitudinal direction of the control body 510.
  • Two guide ridges 512L are formed on the left side surface of the control body 510.
  • the two guiding ridges 512L have an elongated ridge-shaped shape.
  • the two guide ridges 512R are formed at two locations, the upper part and the lower part of the left side surface of the control body 510, parallel to each other along the longitudinal direction of the control body 510.
  • a long movement control hole 514R is formed on the right side surface of the control main body 510.
  • the movement control hole 514R has a substantially oval through hole shape.
  • the movement control hole 514R is formed between two long guide ridges 512R along the longitudinal direction of the control body 510.
  • a long movement control hole 514L is formed on the left side surface of the control body 510.
  • the movement control hole 514L has a substantially oval through hole shape.
  • the movement control hole 514L is formed between two long guide ridges 512L along the longitudinal direction of the control body 510.
  • the movement control hole 514R and the movement control hole 514L are formed so that the right side surface and the left side surface of the control main body 510 face each other.
  • Control end face 520 is an end face formed at the front end portion of the control main body 510.
  • the control end surface 520 is an end surface for facing and abutting the optical connector widening surface OW of the optical connector OC.
  • the control end surface 520 is formed so as to be in contact with the optical connector widening surface OW so as to be engaged with the control end surface 520.
  • the cleaning tool 10 is positioned so as to face the optical connector widening surface OW of the optical connector OC, and the control end surface 520 is brought close to the optical connector widening surface OW of the optical connector OC until it abuts (engages) with the optical connector widening surface OW.
  • the control body 510 when the operator applies force to the cleaning tool 10 while maintaining the state in which the control end surface 520 of the control body 510 is in contact (engagement) with the optical connector widening surface OW of the optical connector OC, the control body 510 is used. Moves relative to the rear of the housing 100. By moving the control main body 510 to the rear, the contact portion 412 of the cleaning head 410 is exposed from the control main body 510 and approaches the ferrule end surface OE of the optical connector OC.
  • the control body 510 When the operator further applies force to the cleaning tool 10, the control body 510 further moves relatively to the rear of the housing 100. By moving the control body 510, the contact portion 412 of the cleaning head 410 comes closer to the ferrule end face OE of the optical connector OC, and the cleaning body CT of the contact portion 412 comes into contact with the ferrule end face OE. As a result, the clean resin layer RL of the cleaning body CT comes into contact with the ferrule end face OE.
  • control main body 510 moves relative to the housing 100 and the head portion 400, but the control end surface 520 of the control main body 510 widens the optical connector of the optical connector OC. It is in a state of being in contact (engaged) with the surface OW, and the take-up control body 500 and the control body 510 are stationary with respect to the optical connector OC.
  • the housing 100 and the head portion 400 move toward the optical connector OC.
  • the take-up extension portion 530 extends from the control main body 510 toward the take-up reel 300.
  • the winding extension portion 530 has a curved portion 532 and a rack forming portion 534.
  • the curved portion 532 has a shape curved by approximately 90 degrees.
  • the curved portion 532 projects substantially perpendicular to the longitudinal direction of the head portion 400, is curved approximately 90 degrees, is substantially parallel to the longitudinal direction of the head portion 400, and extends toward the take-up reel 300.
  • the curved portion 532 is made of a material that can be elastically deformed, and can be elastically deformed as appropriate.
  • the rack forming portion 534 is connected to the curved portion 532 and has a substantially linear elongated shape.
  • a rack (a row of teeth in which the tooth tips are arranged in a plane) 536 is formed along the longitudinal direction of the head portion 400.
  • the rack 536 engages with the ratchet gear 322 of the take-up reel 300.
  • the rack forming portion 534 can also move in the front-rear direction.
  • the take-up reel 300 is rotated when the rack forming portion 534 moves in the front direction. The operation of the control main body 510 and the take-up reel 300 will be described in detail later.
  • a coil spring pressing portion 540 is formed at the rear end of the take-up control body 500.
  • the moving end portion 144 of the coil spring 140 is engaged with the coil spring pressing portion 540.
  • the side portion of the coil spring 140 is supported by the spring holding portion 124L and the spring holding portion 124R, and the coil spring 140 is stretchably held between the coil spring pressing portion 540 and the spring locking portion 126 of the left housing 110L.
  • FIG. 13A is a cross-sectional view showing a state in which the operator is grasping the cleaning tool 10 and approaching it toward the optical connector OC.
  • the control end surface 520 is brought close by the operator until it comes into contact (engagement) with the optical connector widening surface OW of the optical connector OC.
  • Position of take-up control body 500 As shown in FIG. 13A, the cleaning tool 10 is in a state of being separated from the optical connector OC. Specifically, the control end surface 520 of the take-up control body 500 is separated from the optical connector widening surface OW of the optical connector OC.
  • ⁇ Maximum front position MF of control body 510> In this state, only the urging force of the coil spring 140 is applied to the control body 510. The urging force of the coil spring 140 urges the control body 510 forward with respect to the housing 100 (and the head portion 400). By urging, the movement control hole 514R engages with the stopper 114RR, the movement control hole 514L engages with the stopper 114LR, the control body 510 is locked by the stopper 114RR and the stopper 114LR, and the control body 510 is on the frontmost side. Located (maximum front position MF). The maximum front position MF is the home position of the control body 510.
  • Position of the contact portion 412 of the cleaning head 410 When the control main body 510 is located at the maximum front position MF, the contact portion 412 of the cleaning head 410 does not protrude from the control end surface 520 of the take-up control body 500, and is housed in the control main body 510. Therefore, the cleaning body CT guided to the contact portion 412 of the cleaning head 410 is separated from the ferrule end surface OE.
  • FIG. 13B is a cross-sectional view showing a state in which the operator presses the cleaning tool 10 against the optical connector OC and the contact portion 412 of the cleaning head 410 is approaching the ferrule end surface OE.
  • the operator brings the control end surface 520 close to the optical connector widening surface OW of the optical connector OC until it abuts (engages).
  • the operator applies force to the cleaning tool 10 while maintaining the state in which the control end surface 520 of the control main body 510 is in contact (engagement) with the optical connector widening surface OW of the optical connector OC.
  • the control main body 510 is pressed by the optical connector widening surface OW and moves relatively to the rear of the housing 100, and the contact portion 412 of the cleaning head 410 approaches the ferrule end surface OE of the optical connector OC.
  • ⁇ Position of take-up control body 500 As shown in FIG. 13B, the control end surface 520 of the take-up control body 500 is pressed against the optical connector widening surface OW of the optical connector OC by the operation of the operator. By pressing the control end surface 520 of the take-up control body 500, a drag force is generated on the optical connector widening surface OW of the optical connector OC. By pressing the control end surface 520, the control end surface 520 is in a state of being in contact (engagement) with the optical connector widening surface OW.
  • the urging force of the coil spring 140 and the drag force from the optical connector widening surface OW are applied to the control main body 510.
  • the drag force from the optical connector widening surface OW is larger than the urging force of the coil spring 140
  • the drag force from the optical connector widening surface OW causes the control body 510 to be relatively relative to the housing 100 (and the head portion 400). Move backward (see arrow A1). In other words, the control body 510 moves in the direction of being housed in the housing 100.
  • FIG. 14A is a cross-sectional view showing a state in which the operator further presses the cleaning tool 10 against the optical connector OC to bring the contact portion 412 of the cleaning head 410 into contact with the ferrule end surface OE.
  • ⁇ Maximum rear position MR of take-up control body 500> As shown in FIG. 14A, the movement control hole 514R is engaged with the stopper 114RF, the movement control hole 514L is engaged with the stopper 114LF, and the control main body 510 is locked by the stopper 114RF and the stopper 114LF to control.
  • the main body 510 is located on the rearmost side (maximum rear position MR). In this way, the control body 510 can be stopped at the maximum rear position MR.
  • FIG. 14B is a cross-sectional view showing a state in which the operator relaxes the force of pressing the cleaning tool 10 against the optical connector OC and the contact portion 412 of the cleaning head 410 is separated from the ferrule end face OE.
  • the cleaning body CT When the cleaning body CT is pulled by the take-up reel 300 (arrow A3 in FIG. 14B), the cleaning body CT is sent out from the supply reel 200 (arrow A4 in FIG. 14B), and the cleaning body CT is sent out.
  • the clean resin layer RL is supplied to the contact portion 412 of the cleaning head 410 (arrow A5 in FIG. 14B).
  • the take-up control body 500 moves between the maximum front position MF and the maximum rear position MR. Therefore, the take-up control body 500 can always be moved by a certain length (see FL in FIG. 13A), the feed length of the cleaning body CT can also be made constant, and the skill of the operator. A clean resin layer RL can always be supplied to the contact portion 412 of the cleaning head 410 regardless of the skill level.
  • the supply reel 200 is held in the housing 100, and the cleaning body CT sent out from the supply reel 200 is housed in the housing 100 and the head holding body 420 until it reaches the cleaning head 410, and the resin layer RL of the cleaning body CT. Can be kept clean.
  • the cleaning body CT When the cleaning body CT is sent out from the supply reel 200, the winding is unwound and the resin layer RL of the cleaning body CT is exposed. After being sent out from the supply reel 200, the resin layer RL of the cleaning body CT preferably goes straight and reaches the cleaning head 410 without contacting any member. On the surface opposite to the resin layer RL, the path of the cleaning body CT can be appropriately changed by a roller, a guide, or the like. Further, even when the resin layer RL of the cleaning body CT comes into contact with the member, the resin layer RL of the cleaning body CT can be kept clean by using the clean member.
  • the operator weakens the force on the cleaning tool 10, and the urging force of the coil spring 140 causes the control body 510 to move relatively forward and return to the maximum front position MF, which is the home position.
  • the cleaning body CT is pulled. That is, the control body 510 continues to move and the cleaning body CT is towed until the control body 510 reaches the home position.
  • the cleaning body CT after cleaning which was located at the contact portion 412, moves to a position separated from the contact portion 412 until the cleaning is completed and the control main body 510 returns to the home position.
  • the clean resin layer RL of the cleaning body CT is newly supplied to the contact portion 412 and positioned. That is, after the cleaning is completed, the clean resin layer RL of the cleaning body CT is constantly newly supplied to the contact portion 412 by moving the control main body 510.
  • the control body 510 moves forward for cleaning, the winding reel 300 is prohibited from rotating by the rotation direction defining ratchet mechanism described later, so that the cleaning body CT does not move and the cleaning head 410 comes into contact with the cleaning body CT.
  • the resin layer RL of the cleaning body CT supplied to the portion 412 is maintained at the position of the contact portion 412. Therefore, after cleaning, the clean resin layer RL newly supplied to the contact portion 412 is brought into contact with the ferrule end face OE without moving the contact portion 412 as it is, and the ferrule end face OE is immediately cleaned. can do.
  • control body 510 and take-up reel 300 >>>>>>>>>>>>>>>>>>>>>> As described above, the control main body 510 can move rearward or forward relative to the housing 100 by the balance between the urging force of the coil spring 140 and the drag force from the optical connector widening surface OW.
  • the take-up reel 300 can be driven by the operation of the control body 510.
  • the operation of the control main body 510 and the operation of the take-up reel 300 will be described with reference to FIG.
  • FIG. 15 is a schematic view showing a state of engagement between the rack 536 and the ratchet gear 322 and engagement between the engagement end 196 and the ratchet gear 322.
  • the rack 536 is covered with the take-up extension portion 530 (see FIGS. 13 and 14 and the like), in FIG. 15, the rack 536 is specified for the sake of explanation.
  • the control main body 510 has a take-up extension portion 530, and a rack 536 is formed in the take-up extension portion 530.
  • the rack 536 engages with the ratchet gear 322 of the take-up reel 300.
  • the take-up reel pawl 190 has a leaf spring portion 194, and the leaf spring portion 194 is formed with an engaging end 196.
  • the engaging end 196 also engages with the ratchet gear 322 of the take-up reel 300. That is, the ratchet gear 322 of the take-up reel 300 engages with the rack 536 of the control body 510 and also with the engaging end 196 of the take-up reel pawl 190.
  • the operation of the take-up reel 300 is controlled by these two engagements.
  • the ratchet gear 322 of the take-up reel 300 and the rack 536 of the take-up extension portion 530 constitute an operation transmission ratchet mechanism.
  • the motion transmission ratchet mechanism can define a state in which motion transmission is possible and a state in which motion transmission is difficult from the control main body 510 to the take-up reel 300.
  • a rack and pinion mechanism is also configured from the engagement between the rack 536 of the take-up extension portion 530 and the ratchet gear 322 of the take-up reel 300.
  • the rack and pinion mechanism converts the linear motion of the control body 510 into the rotary motion of the take-up reel 300, and the motion transmission ratchet mechanism transmits the motion from the control body 510 to the take-up reel 300.
  • ⁇ Engagement between ratchet gear 322 and engaging end 196 >> ⁇ Rotation direction regulation ratchet mechanism>
  • the ratchet gear 322 of the take-up reel 300 and the engaging end 196 of the take-up reel pawl 190 constitute a rotation direction defining ratchet mechanism.
  • the rotation direction defining ratchet mechanism can define the rotation permitted state and the rotation prohibited state of the take-up reel 300.
  • control body 510 moves rearward relative to the housing 100 (and the head portion 400) (see arrows A1 in FIGS. 13B, 14A and 15). In other words, the control body 510 moves in the direction of being housed in the housing 100.
  • the winding extension portion 530 is formed so as to be elastically deformable.
  • the take-up extension portion 530 can swing in a direction away from the take-up reel 300 or in a direction approaching the take-up reel 300 due to elastic deformation. Therefore, even when the take-up reel 300 does not rotate, the rack 536 of the take-up extension portion 530 slides on the ratchet gear 322 due to the elastic deformation of the take-up extension portion 530, so that the control main body 510 Can move backwards.
  • control body 510 moves forward relative to the housing 100 (and the head portion 400) (see arrows B1 in FIGS. 14B and 15). In other words, the control body 510 moves in the direction of being discharged to the housing 100.
  • the leaf spring portion 194 is formed so as to be elastically deformable.
  • the leaf spring portion 194 can swing in a direction away from the take-up reel 300 or in a direction approaching the take-up reel 300 due to elastic deformation. Therefore, when the take-up reel 300 rotates, the take-up reel 300 rotates because the engaging end 196 of the leaf spring portion 194 slides on the ratchet gear 322 due to the elastic deformation of the leaf spring portion 194. can do.
  • 16 (a) to 16 (d) are cross-sectional views showing a process of cleaning the ferrule end surface OE of the optical connector OC using the cleaning tool 10. For example, it can be used for cleaning MPO connectors and the like.
  • 16 (a) to 16 (d) show the relative positional relationship between the ferrule FE and the cleaning body CT in the cleaning process.
  • the ferrule FE is provided with the ends of 12 optical fiber OFs arranged side by side. Further, the ferrule FE is provided with two guide pins GP projecting vertically from the ferrule end face OE (in a direction away from the ferrule end face OE) with twelve optical fiber OFs interposed therebetween.
  • the operator grasps the cleaning tool 10, and as shown in FIG. 2, brings the cleaning head 410 of the cleaning tool 10 close to the opening OP of the optical connector OC so as to face it.
  • the housing end face OS of the optical connector OC is engaged with the control end face 520 of the control main body 510, and a force is applied to the cleaning tool 10.
  • the cleaning head 410 can be inserted into the opening OP of the optical connector OC while the control body 510 is housed in the housing 100, and the contact portion 412 of the head portion 400 can be inserted into the ferrule of the optical connector OC. It can be brought closer to the ferrule end face OE of FE.
  • the resin layer RL of the cleaning body CT can be brought into close contact with the ferrule end face OE. The specific process will be described below.
  • the resin layer RL of the cleaning body CT faces the ferrule end face OE at a position separated from each other.
  • the control end surface 520 of the control body 510 engages with the housing end surface OS of the optical connector OC.
  • the resin layer RL of the cleaning body CT of the contact portion 412 of the head portion 400 approaches the ferrule end surface OE of the optical connector OC.
  • the resin layer RL of the cleaning body CT comes into contact with the tips of the two guide pins GP of the ferrule FE and is pressed by the two guide pins GP to elastically deform.
  • the resin layer RL of the cleaning body CT further approaches the ferrule end face OE of the optical connector OC.
  • the resin layer RL is pressed by the two guide pins GP and begins to cover the two guide pins GP by the urging force (restoring force) generated in the resin layer RL.
  • the resin layer RL reaches the ferrule end face OE as shown in FIG. 16D.
  • the portion elastically deformed by the contact of the two guide pins GP is covered with the resin layer RL up to the roots of the two guide pins GP by the urging force (restoring force) generated in the resin layer RL.
  • the resin layer RL can be brought into close contact with the entire ferrule end face OE without creating a gap between the resin layer RL and the ferrule end face OE.
  • the entire dust on the ferrule end face OE can be transferred by the adhesive force of the resin layer RL. It is attached with. Dust around the roots of the two guide pin GPs and dust adhering to the two guide pin GPs can also be transferred and removed by the adhesive force of the resin layer RL.
  • the entire two guide pins GP can be covered with the resin layer RL by using the urging force (restoring force) of the resin layer RL.
  • the cleaning head 410 is formed with accommodating holes 414 for accommodating the two guide pin GPs, and even when the resin layer RL reaches the ferrule end face OE, the resin layer RL is accommodated together with the entire guide pin GP. It is housed in hole 414. By providing the accommodating hole 414, dust can be accurately removed even in the ferrule FE on which the guide pin GP is formed. Further, since the resin layer RL can also be accommodated in the accommodating hole 414, the deformation of the resin layer RL due to the urging force (restoring force) is not hindered, and the entire guide pin GP can be covered with the resin layer RL.
  • the resin layer RL is elastically deformed according to the shape and size of the two guide pin GPs without being pierced by the two guide pins GP.
  • An example is shown in which the resin layer RL is covered up to the roots of the two guide pin GPs by the urging force (restoring force) generated in the resin layer RL, but the two guide pin GPs are pierced into the resin layer RL.
  • the resin layer RL may be plastically deformed.
  • 17 (a) to 17 (d) are diagrams showing an example of a case where the resin layer RL is plastically deformed. Whether the resin layer RL is elastically deformed or plastically deformed may be determined by appropriately determining the shore A hardness of the resin layer RL.
  • FIG. 17 (a) is in the same state as FIG. 16 (a).
  • the resin layer RL is punctured by the two guide pins GP and is plastic. It deforms and puncture starts from the beginning of contact with the two guide pins GP.
  • FIG. 17C plastic deformation further progresses, and the two guide pins GP are gradually stabbed into the resin layer RL.
  • FIG. 17D the cleaning body CT reaches the ferrule end face OE while the resin layer RL is plastically deformed.
  • the resin layer RL of the cleaning body CT can be adhered to the roots of the two guide pins GP. Also in this case, dust adhering to the periphery of the roots of the two guide pins GP and the two guide pins GP can also be transferred and removed by the adhesive force of the resin layer RL.
  • FIG. 18 is a cross-sectional view showing the configuration of the shielding member 600.
  • the shielding member 600 has two shielding plates 610a and 610b and a torsion spring (torsion spring) 620.
  • the two shielding plates 610a and 610b are rotatably provided on the wall portion of the control main body 510.
  • the two shielding plates 610a and 610b can be rotated approximately 90 degrees.
  • the two shielding plates 610a and 610b open and close in a double-door manner.
  • the shielding plates 610a and 610b are urged by the torsion spring 620.
  • the shielding plates 610a and 610b close the opening 550 by the urging force of the torsion spring 620 (FIG. 18A).
  • the shielding plates 610a and 610b come into contact with the housing end face OS of the optical connector OC (FIG. 18 (b)). Further, when the operator brings the cleaning tool 10 closer to the optical connector OC, the shielding plates 610a and 610b can be pressed and opened by the housing end face OS (FIGS. 18 (c) and 18 (d)).
  • the shielding plates 610a and 610b are closed by the urging force of the torsion spring 620.
  • the shielding member 700 has two shielding plates 710a and 710b and support rods 720a and 720b.
  • the two shielding plates 710a and 710b are rotatably provided on the wall portion of the control main body 510.
  • the two shielding plates 710a and 710b can be rotated approximately 90 degrees.
  • the two shielding plates 710a and 710b open and close in a double-door manner.
  • the shielding plate 710a is connected to the support rod 720a, and the shielding plate 710b is connected to the support rod 720b.
  • the support rods 720a and 720b are engaged with the ratchet gear 322 of the pinion body 320 of the take-up reel 300 and the ratchet gear 222 of the pinion body 220 of the supply reel 200. By rotating the take-up reel 300 and the supply reel 200, the support rods 720a and 720b can move along the control main body 510.
  • the shielding plates 710a and 710b are opened and closed by the movement of the support rods 720a and 720b.
  • a shielding member that opens and closes in a double-door manner is shown, but a shielding member that opens and closes in a sliding manner may be used. Further, the shielding member may be formed by a member having deformable flexibility. By closing the opening 550, it is sufficient to prevent dust from entering from the outside and prevent contamination.
  • a first position for example, maximum front position MF
  • a control body positioned at a second position for example, the maximum rear position MR, etc.
  • the control body In the movement from the first position to the second position, the control body causes the motion transmitter to be in a non-delivery state and does not convey the cleaning body.
  • the control body disagrees with the motion transmitter in moving from the second position to a third position (eg, boundary 1542, etc.) between the first position and the second position.
  • An optical connector cleaning tool is provided which brings the motion transmitter into the transmission state and conveys the cleaning body in the movement from the third position to the first position in the reaching state.
  • FIG. 20 is a schematic view showing a winding extension portion 1530 of the cleaning tool 20 and a pinion body 320 of the winding reel 300 according to the second embodiment.
  • FIG. 21 is a schematic view showing an outline of the cleaning tool 20 according to the second embodiment.
  • 21 (a) is a schematic view showing the configurations of the cleaning tool 20 and the optical connector OC in a side view, similarly to FIGS. 13 and 14.
  • FIG. 21B is a schematic view showing a part of the cleaning head 410 of the cleaning tool 20 and the optical connector OC in a plan view.
  • 21 (a) and 21 (b) are shown by breaking the periphery of the cleaning head 410 for clarity.
  • the same reference numerals are given to the same configurations as those of the first embodiment.
  • the take-up extension portion 1530 is provided so as to extend from the control main body 510 toward the take-up reel 300, similarly to the take-up extension portion 530.
  • the take-up extension portion 1530 is connected to the control main body 510.
  • the take-up extension portion 1530 has the same shape as the take-up extension portion 530. In FIG. 20, for convenience, only a part of the winding extension portion 1530 is shown. In the second embodiment, the configuration of the winding extension portion 1530 is different from that of the winding extension portion 530 of the first embodiment, and other members have the same configuration.
  • the winding extension portion 1530 has a curved portion 532 and a straight portion 1540.
  • the curved portion 532 has a structure similar to that of the first embodiment.
  • the straight portion 1540 has a linear shape and a long shape.
  • the straight portion 1540 has a non-rack forming portion 1538 and a rack forming portion 534.
  • the non-rack forming portion 1538 and the rack forming portion 534 are connected in series to form a straight portion 1540.
  • the non-rack forming portion 1538 and the rack forming portion 534 are adjacent to each other and extend linearly as a whole.
  • the rack forming portion 534 has an elongated shape that is substantially linear.
  • a plurality of racks (rows of teeth having tooth tips arranged in a plane) 536 are formed along the longitudinal direction of the head portion 400.
  • the rack 536 engages with the ratchet gear 322 of the take-up reel 300.
  • the take-up reel 300 rotates and the cleaning body CT is displaced.
  • Non-rack forming part 1538 The non-rack forming portion 1538 is connected to the curved portion 532. No rack is formed in the non-rack forming portion 1538.
  • the non-rack forming portion 1538 does not engage the ratchet gear 322 even when it moves the position closest to the ratchet gear 322. Therefore, even when the non-rack forming portion 1538 moves in the position closest to the ratchet gear 322 in the arrow A1 direction or the B1 direction shown in FIG. 20, the take-up reel 300 does not rotate.
  • the cleaning body CT does not displace.
  • the straight portion 1540 has a boundary portion 1542 at the boundary between the rack forming portion 534 and the non-rack forming portion 1538. With the boundary portion 1542 as a boundary, the engagement or disengagement of the rack 536 and the ratchet gear 322 is switched, the rotation or non-rotation of the take-up reel 300 is switched, and the displacement or non-displacement (stop) of the cleaning body CT is switched. ..
  • the cleaning tool 20 according to the second embodiment has the same configuration as the cleaning tool 10 according to the first embodiment, except for the configuration of the winding extension portion 1530.
  • the cleaning tool 20 mainly has a housing 100, a take-up reel 300, a head portion 400, and a take-up control body 500.
  • the cleaning tool 20 also has a supply reel 200 as in the cleaning tool 10 according to the first embodiment (not shown).
  • the contact portion 412 of the cleaning head 410 is separated from the ferrule end face OE of the optical connector OC and the tip of the guide pin GP, and the cleaning body CT is the ferrule end face OE. And is not in contact with the guide pin GP.
  • 22 (a-1), 22 (a-2), and 22 (a-3) show that the cleaning body CT is brought into contact with the ferrule end face OE and the guide pin GP of the optical connector OC. It is the schematic which shows the state.
  • FIGS. 22 (b-1), 22 (b-2), and 22 (b-3) cleaning is completed, the housing 100 is separated from the optical connector OC, the take-up control body 500 is displaced, and the head is displaced. It is the schematic which shows the state which starts the storage of the part 400.
  • 23 (a-1), 23 (a-2), and 23 (a-3) show that the housing 100 is further separated from the optical connector OC, the take-up control body 500 is further displaced, and the head portion 400 is moved. It is the schematic which shows the state which winds up the cleaning body CT while accommodating in the winding control body 500.
  • FIG. 23 (b-1), FIG. 23 (b-2), and FIG. 23 (b-3) show a state in which all operations are completed. That is, it is a schematic diagram which shows the state which the whole cleaning tool 20 is separated from the optical connector OC.
  • 22 (a-1) and (b-1) and 23 (a-1) and (b-1) show the positions of the optical connector OC, the cleaning head 410, and the take-up control body 500, and cleaning. It is the schematic which shows the movement of a body CT from the side view. 22 (a-2) and (b-2) and 23 (a-2) and (b-2) show the positions of the optical connector OC, the cleaning head 410, and the take-up control body 500, and the cleaning body CT. It is the schematic which shows the movement of. 22 (a-3) and (b-3) and 23 (a-3) and (b-3) show side views of the engagement state and displacement of the winding extension portion 1530 and the pinion body 320. It is a schematic diagram shown by.
  • a part of the rear side of the control body 510 is housed in the housing 100, so that the cleaning head 410 protrudes from the control body 510 and the cleaning body CT guided to the contact portion 412 hits the ferrule end face OE. Get in touch.
  • This state corresponds to the state shown in FIG. 14A in the cleaning tool 10 according to the first embodiment.
  • the cleaning body CT comes into contact with the ferrule end face OE and the guide pin GP, and dust existing on the ferrule end face OE and the guide pin GP is transferred to the cleaning body CT (resin layer RL).
  • the transfer dust on the ferrule end face OE and the guide pin GP of the optical connector OC can be removed, and the ferrule end face OE and the guide pin GP can be cleaned.
  • the guide pin GP is shown by a virtual line.
  • the cleaning body CT may or may not be punctured by the guide pin GP.
  • the cleaning body CT When the cleaning body CT is not punctured by the guide pin GP, the cleaning body CT elastically deforms according to the shape and size of the guide pin GP, as shown in FIG. 16 of the first embodiment. Due to the elastic deformation of the cleaning body CT, the cleaning body CT can be brought into contact with the root of the guide pin GP, and the ferrule end face OE and the guide pin GP can be cleaned.
  • the cleaning body CT When the cleaning body CT is punctured by the guide pin GP, the cleaning body CT is punctured by the cleaning body CT as shown in FIG. 17 of the first embodiment to plastically deform the cleaning body CT. Due to the plastic deformation of the cleaning body CT, the cleaning body CT slides on the side surface of the guide pin GP and moves to the root of the guide pin GP to come into contact with the cleaning body CT. As a result, the ferrule end face OE and the guide pin GP can be cleaned.
  • the head portion 400 is also separated from the optical connector OC.
  • the cleaning head 410 is separated from the ferrule end face OE and the guide pin GP of the optical connector OC.
  • Winding of cleaning body CT >> The operator further loosens the force applied to the cleaning tool 20. As a result, the housing 100 is further separated from the optical connector OC.
  • the control body 510 is further ejected from the housing 100 (and the head portion 400) (see arrow B1). The remaining part of the rear side of the control main body 510 is still housed in the housing 100 (not shown). Further, as shown in FIGS. 23 (a-1) and 23 (a-2), the control end surface 520 of the take-up control body 500 is still in contact with the optical connector widening surface OW of the optical connector OC.
  • the head portion 400 is further separated from the optical connector OC.
  • the cleaning head 410 is further separated from the ferrule end face OE and the guide pin GP of the optical connector OC.
  • Non-rack forming part 1538 and cleaning process >>>
  • the winding extension portion 1530 of the cleaning tool 20 according to the second embodiment is provided with a non-rack forming portion 1538.
  • FIGS. 22 (a-1), (a-2) and (a-3) and 22 (b-1), (b-2) and (b-3) As shown in the above, after cleaning the optical connector OC is completed, first, the cleaning head 410 is separated from the optical connector OC. That is, immediately after the cleaning of the optical connector OC is completed, the cleaning body CT is not displaced and rewound. After that, the rack forming portion 534 engages with the ratchet gear 322, and FIGS. 23 (a-1), (a-2) and (a-3), and FIGS. 23 (b-1), (b-2) and As shown in (b-3), the cleaning body CT is displaced and rewound.
  • the cleaning body CT can be prevented from sliding on the optical connector OC after the cleaning is completed. Dust spread on the cleaning body CT can be accurately collected.
  • the cleaning body CT is configured to slide on the optical connector OC after the cleaning is completed, the resin layer RL of the cleaning body CT may adhere to the optical connector OC (glue residue). Further, if the cleaning body CT is slid on the optical connector OC after the cleaning is completed, the dust spread on the cleaning body CT may be returned to the optical connector OC and recontaminated.
  • the cleaning head 410 is first separated from the optical connector OC and retracted. After retracting the cleaning head 410, the cleaning body CT is rewound on the take-up reel 300. By doing so, it is possible to prevent the resin layer RL of the cleaning body CT from adhering to the optical connector OC (leaving adhesive residue) or recontaminating the optical connector OC.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Cleaning In General (AREA)

Abstract

L'invention concerne un outil de nettoyage pour un connecteur optique qui peut éliminer avec précision la poussière des faces d'extrémité d'une ferrule du connecteur optique. La présente invention comprend : un corps principal formé de manière à être transportable et qui maintient un corps de nettoyage adhésif ; une tête pour amener le corps de nettoyage en contact avec un connecteur optique ; un corps de commande qui peut se déplacer par rapport au corps principal et qui est positionné à une première position au niveau de laquelle la tête ne peut pas entrer en contact avec le connecteur optique, ou une seconde position au niveau de laquelle la tête peut entrer en contact avec le connecteur optique ; et un corps de transmission d'actionnement pour régler un état de transmission dans lequel le fonctionnement du corps de commande est transmis au corps de nettoyage, ou un état de non-transmission où l'opération n'est pas transmise, le corps de commande fixant le corps de transmission de fonctionnement à l'état de non-transmission pendant le mouvement de la première position à la seconde position et ne transporte pas le corps de nettoyage, et le corps de commande fixant le corps de transmission de fonctionnement dans l'état de transmission pendant le mouvement de la seconde position à la première position et transporte le corps de nettoyage.
PCT/JP2021/002955 2020-01-29 2021-01-28 Outil de nettoyage pour connecteur optique WO2021153645A1 (fr)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030098045A1 (en) * 2001-11-29 2003-05-29 3M Innovative Properties Company Article and process for cleaning optical surfaces
JP2003232962A (ja) * 2002-02-07 2003-08-22 Fujikura Ltd 光コネクタ清掃具
JP2005099345A (ja) * 2003-09-24 2005-04-14 Matsushita Electric Works Ltd 光ファイバ接続機器、光ファイバコネクタ
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
JP2019500654A (ja) * 2015-12-30 2019-01-10 スリーエム イノベイティブ プロパティズ カンパニー 塵埃侵入抑制カバーを有する光コネクタ
WO2019198273A1 (fr) * 2018-04-12 2019-10-17 株式会社フジクラ Outil de nettoyage de connecteur optique, et procédé de nettoyage de connecteur optique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5178626B2 (ja) * 2009-05-14 2013-04-10 株式会社フジクラ 光コネクタ清掃工具
US9958619B2 (en) * 2013-03-13 2018-05-01 Ntt Advanced Technology Corporation Optical connector cleaning tool
JP6912216B2 (ja) * 2017-02-09 2021-08-04 株式会社フジクラ 光コネクタの清掃工具

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030098045A1 (en) * 2001-11-29 2003-05-29 3M Innovative Properties Company Article and process for cleaning optical surfaces
JP2003232962A (ja) * 2002-02-07 2003-08-22 Fujikura Ltd 光コネクタ清掃具
JP2005099345A (ja) * 2003-09-24 2005-04-14 Matsushita Electric Works Ltd 光ファイバ接続機器、光ファイバコネクタ
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
JP2019500654A (ja) * 2015-12-30 2019-01-10 スリーエム イノベイティブ プロパティズ カンパニー 塵埃侵入抑制カバーを有する光コネクタ
WO2019198273A1 (fr) * 2018-04-12 2019-10-17 株式会社フジクラ Outil de nettoyage de connecteur optique, et procédé de nettoyage de connecteur optique

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