baber/WOPTO huggingface dataset:
Patent JP-2022515757-A (JP)
Title: 流体製品を吐出するための装置
IPC: B05B11/00
Filed: 2019-12-16
Abstract: 流体製品を吐出するためのポンプであって、入口弁（２０）によって閉じられる開口部（２９）を含むポンプ本体（１４）と、中空ロッド（１５）の周囲で、ポンプ本体（１４）内において密閉状態で摺動し、半径方向外側縁部にポンプ本体（１４）に対する密閉を確実にするための外側シールリップ（１６ａ）が設けられ、半径方向内側縁部に中空ロッド（１５）に対する密閉を確実にするための内側シールリップ（３１）が設けられているピストン（１６）と、ピストン（１６）の内側シールリップ（３１）の傾斜に適した斜めまたはフルスト円錐形の表面（３２ａ）を上方に備えるグランド（３２）と、中空ロッド（１５）とピストン（１６）との間に配置された作動ばね（２４）と、戻りばね（２５）と、を備え、入口弁（２０）は、ポンプ本体（１４）内に固定された弁ホルダー（２１）によって所定の位置に保持されており、戻りばね（２５）は、弁ホルダー（２１）と中空ロッド（１５）との間に配置され、ピストン（１６）をその静止位置に向けて付勢し、中空ロッド（１５）には、その軸方向の下側が閉じられ、半径方向オリフィス（１５ｂ）を介して中空ロッド（１５）の外側と連通している内部軸方向チャネル（１５ａ）が設けられ、弁ホルダー（２１）は、作動位置で中空ロッド（１５）を受け入れる軸方向スリーブ（２１ｃ）を含み、軸方向スリーブ（２１ｃ）は、少なくとも１つの軸方向リブ（２１ａ）を含み、ポンプの作動位置において、中空ロッド（１５）の軸方向下端部（１５ｃ）と弁ホルダー（２１）の少なくとも１つの軸方向リブ（２１ａ）とで機械的停止機構を形成することを特徴とする。【選択図】図５
Patent JP-2022519174-A (JP)
Title: 高純度鉛を製造する改善された方法
IPC: C22B9/04
Filed: 2020-01-30
Abstract: 精製された軟鉛生成物の製造方法は、ａ）溶融はんだ混合物（６）から鉛を蒸留して、オーバーヘッドとして第１の濃縮鉛流（７）を生成し、第１の底部生成物（８）として溶融粗スズ混合物を生成するための第１の蒸留ステップ（２００）と、ｂ）６００℃未満の温度で流れを第１の塩基（２４）および空気よりも強い第１の酸化剤（２５）で処理することによって第１の濃縮鉛流からヒ素、スズ、および／またはアンチモンから選択される少なくとも１つの汚染物質を除去し、その結果汚染金属のメタレート化合物を含む第３の上澄みドロス（２６）の形成をもたらし、続いて、精製された軟鉛流または生成物（２７）から第３の上澄みドロス（２６）を分離するための軟鉛精製ステップ（７００）とを含み、ステップ（ｂ）からの第３の上澄みドロス（２６）は、最大で１．０重量％の塩素を含む。
Patent JP-2022523679-A (JP)
Title: 体液性免疫を回避する組成物および方法
IPC: A61P37/02
Filed: 2020-01-28
Abstract: 本開示は、一部では、AAVベクターに対する中和抗体を一時的に除去する組成物および方法を提供する。このような組成物および方法は、遺伝子治療、さらには過去にAAVベクターで治療された患者においてAAVの再投薬／再投与に適した患者集団を拡大する。【選択図】図４
Patent JP-2022510497-A (JP)
Title: 一体型電力システム
IPC: H02J7/00
Filed: 2018-10-03
Abstract: 第１の基板、第２の基板、および第３の基板を収納するように構成されるシャーシを含み、基板が互いに電気的に結合される、電力システムが開示される。第１の基板は、電力を受け取り、第１の電圧および第２の電圧で電力を出力するように構成される。第２の基板は、第１の基板から、または第２の基板に電気的に結合された少なくとも１つの内部電池から電力を受け取り、少なくとも２つの電圧を使用して電力を出力するように構成される。第３の基板は、第２の基板から電力を受け取り、２つの電圧で電力を出力するように構成される。基板は、電力を変換するように構成される１つ以上の変換器を含む。１つ以上の変換器は、シャーシのそれぞれの部分へと熱伝導するように、シャーシの１つ以上の部分と熱的に相互作用する。
Patent JP-2022533295-A (JP)
Title: 動画処理方法、装置、及びコンピュータプログラム
IPC: H04N19/573
Filed: 2019-03-13
Abstract: 本出願の実施例は、動画処理方法及び装置を提供し、Ｍｅｒｇｅモードでの効果的な動画処理方法を提供するものである。この方法は、現在のフレームの第１画像ブロックに第１動き情報候補リストを構築することと、前記第１動き情報候補リストから、前記第１画像ブロックに含まれる少なくとも一つのサブ画像ブロックに動き情報をそれぞれ選択し、ここで、前記第１動き情報候補リストは、少なくとも一つのデュアル動き情報を含むことと、少なくとも一つの前記サブ画像ブロックの動き情報に基づいて、前記第１画像ブロックを符号化、又は復号化することと、を含む。
Patent JP-2022525463-A (JP)
Title: 二次電池用正極活物質、その製造方法およびこれを含むリチウム二次電池
IPC: H01M4/525
Filed: 2020-05-12
Abstract: 本発明は、リチウム以外の全金属のうち、ニッケル（Ｎｉ）を７０モル％以上含有するリチウム複合遷移金属酸化物粒子と、前記リチウム複合遷移金属酸化物粒子の表面に形成されたコーティング部とを含み、前記コーティング部は、フッ素と、Ａｌ、Ｔｉ、Ｍｇ、Ｚｒ、ＷおよびＳｒからなる群から選択される少なくとも一つ以上を含む化合物を含み、ＢＥＴ比表面積が０．１～０．９ｍ２／ｇであり、正極活物質の表面に残存するリチウム副生成物が、正極活物質の全重量に対して０．６５重量％以下である二次電池用正極活物質に関する。
Patent JP-2022529020-A (JP)
Title: 円すいころ軸受
IPC: F16C33/66
Filed: 2020-03-20
Abstract: 本発明は、内輪軌道（３）を有する内輪（２）と、外輪軌道（５）を有する外輪（４）と、軌道（３、５）上を転がる円すいころ（６）と、を備える、円すいころ軸受（１）に関する。本発明によれば、この円すいころ軸受（１）は、その公称接触角（ａ）が、２０°～３０°であり、円すいころ（６）が、１．０～１．２の転動体の長さ（Ｌ）と転動体の直径（Ｄｗ）との比を有することを特徴とする。
Patent JP-2022532076-A (JP)
Title: サルコイドーシス関連肺高血圧症の治療方法
IPC: A61K31/4965
Filed: 2020-05-06
Abstract: 本発明は、サルコイドーシス関連肺高血圧症（ＳＡＰＨ）を治療するための方法であって、治療を要する患者に治療有効量のセレキシパグを投与することを含み、患者がサルコイドーシス関連肺高血圧症と診断されている、方法を提供する。【選択図】図４
Patent JP-2022534081-A (JP)
Title: 衣類処理装置
IPC: D06F58/02
Filed: 2020-05-12
Abstract: 本発明は、衣類処理技術の分野に属し、具体的には衣類処理装置を提供する。本発明は従来の衣類処理装置内において、回転可能な衣類収容ドラムに電気部材を設置できないという問題を解決することを目的とする。この目的のために、衣類処理装置は、筐体と、リブを有する内ドラムと、磁石と、磁石に近接して配置される電線と、電線に電気的に接続される電気部材とを含む。磁石はリブに摺動可能に設けられ、電線および電気部材はそれぞれリブに固定的に設けられ、内ドラムの回転時に磁石を往復移動させることができ、電線に電流を発生させて電気部材に電力を供給する。このため、本発明の衣類処理装置は、内ドラムに電気部材を設けることができるだけでなく、内ドラムの回転による電線の巻き付けの問題を避けることもできる。
Patent JP-2023100510-A (JP)
Title: Liquid discharge head
Inventor: KATAYAMA HIROSHI
IPC: B41J2/01
Filed: 2022-01-06
Abstract: To protect both a flow channel member and a heat radiation member from static electricity using a grounding member.SOLUTION: A head comprises: a flow channel member 10 in which a flow channel is formed with a nozzle at its tip, and constituted of a conductive material; an actuator member 20 having an actuator which imparts energy for discharging liquid from the nozzle, to the liquid in the flow channel; a driver IC 30 which is electrically connected to the actuator, and drives the actuator; a heat radiation member 40 thermally connected to the driver IC 30; and a grounding member 50 which is electrically grounded. The grounding member 50 is electrically connected to the flow channel member 10 via a connection part 53, and electrically connected to the heat radiation member 40 via an extension part 52.SELECTED DRAWING: Figure 5
Patent JP-2023101200-A (JP)
Title: processor and system
Inventor: NAKAMURA YOSUKE
IPC: H04L1/00
Filed: 2022-01-07
Abstract: To suppress generation of uncorrectable errors by preventing data with an error correction code from being mostly sent to defective signal lines.SOLUTION: The processor includes: a plurality of data sending units for sending data to a plurality of first signal lines; a plurality of sending data generation units for adding an error correction code to a plurality of pieces of data and generating a plurality of pieces of first sending data; and a first data dispersion unit for dispersing a plurality of pieces of sub data in the plurality of pieces of first sending data and transferring the sub data to the plurality of data sending units.SELECTED DRAWING: Figure 1
Patent JP-2023104006-A (JP)
Title: Light-weight suspended ceiling structure
Inventor: MIYAMOTO ICHIRO
IPC: E04B9/36
Filed: 2022-01-15
Abstract: To provide a suspended ceiling face formed of various designs, while avoiding to be a specific ceiling.SOLUTION: Double ceiling joists 21 and single ceiling joists 22 are combined and fitted with prescribed spaces and arranged to form a light-weight louver ceiling 12, as ceiling decorative materials 20 covering a ceiling face 11 forming a light-weight suspended ceiling structure 10. The double ceiling joists 21 are arranged to cover the entire ceiling face 11, with prescribed adjacent spaces in the longitudinal direction of the ceiling face 11. The single ceiling joists 22 are adjusted in length to form prescribed geometric shapes, and are arranged between adjacent double ceiling joists 21. Thus, the prescribed geometric shapes are formed and arranged in the ceiling face 11 covered with the double ceiling joists 21.SELECTED DRAWING: Figure 1
Patent JP-2023108734-A (JP)
Title: Wire grid polarization element, method for manufacturing the same, and optical apparatus
Inventor: TAKAHASHI YUKI
IPC: G02B5/30
Filed: 2022-01-26
Abstract: To provide a wire grid polarization element that can reduce the influence on optical characteristics and external qualities even when a lattice-like protruding part has fallen.SOLUTION: A wire grid polarization element 10 includes: a transparent substrate 11; and a lattice-like protruding part 12 arranged in one surface of the transparent substrate 11 at a smaller pitch than the wavelength of light in a usable band and extending in the direction of the Y-axis. The lattice-like protruding part 12 sequentially includes a reflection layer, a dielectric layer, and an absorption layer in ascending order of the distance to the transparent substrate 11. The wire grid polarization element 10 has a division region 12d for dividing the lattice-like protruding unit 12 in the center part of the transparent substrate 11.SELECTED DRAWING: Figure 2
Patent JP-2022050693-A (JP)
Title: Multilayer ceramic capacitor
IPC: H01G4/30
Filed: 2022-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a multilayer ceramic capacitor which may exhibit improved mechanical strength, high-temperature reliability, and moisture resistance reliability, and a method of manufacturing the same. 
     SOLUTION: There is provided a multilayer ceramic capacitor including: a ceramic body having first and second surfaces and third and fourth surfaces; a plurality of internal electrodes disposed at the inside of the ceramic body, exposed to the first and second surfaces, and each having one end exposed to the third or fourth surface; and first and second side margin portions disposed on edges of the internal electrode. A dielectric composition contained in the first and second side margin portions is different from a dielectric composition contained in the ceramic body, the first and second side margin portions contain barium titanate-based base material powder and magnesium (Mg), manganese (Mn), and aluminum (Al) as accessory ingredients, and a content ratio of Mn to the total content of Mg, Mn, and Al satisfies 0.316≤Mn/(Mn+Mg+Al)≤0.500. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022051821-A (JP)
Title: Game machine
IPC: A63F7/02
Filed: 2022-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a game machine capable of immediately reading a program to be executed and starting execution of processing, while allowing storage means for storing image information to store the program therein. 
     SOLUTION: A program to be executed by an MPU 181 of a display control device 81 is stored in a character ROM 192 for storing image data. In the character ROM 192, a NAND type flash memory 192a is provided, a ROM controller 192b incorporates a first program storage area 192d, image data and most programs are stored in the NAND type flash memory 192a, and a part of boot programs are stored in the first program storage area 192d. When it is detected that power is supplied in the ROM controller 191b, the ROM controller 192b sets the boot program from the first program storage area 192d to a buffer RAM 192c. 
     SELECTED DRAWING: Figure 24 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023075002-A (JP)
Title: resin composition
Inventor: MUTO FUMIHIRO
IPC: C08K7/04
Filed: 2022-02-03
Abstract: To provide a resin composition which contains a polyphenylene sulfide resin, is excellent in low warpage properties, heat resistance and flame retardancy, has less corrosiveness to metals, and is also excellent in mechanical strength and chemical resistance.SOLUTION: The resin composition contains 5-150 pts.mass of a fibrous filler (D) and 1-20 pts.mass of a bromine-based flame retardant (E) based on 100 pts.mass of the total of (A)-(C) containing: 25-65 pts.mass of a polyphenylene sulfide resin (A) having an MVR of 60-500 cm3/10 min; and 35-75 pts.mass of the total of amorphous rubber-reinforced polystyrene or polystyrene (B) and/or a polyphenylene ether resin (C).SELECTED DRAWING: None
Patent JP-2022124467-A (JP)
Title: Method for determining presence or absence of communication holes in hollow particles
Inventor: OKADA JIRO
IPC: H01J37/22
Filed: 2022-02-07
Abstract: To provide a method for easily determining the presence or absence of communication holes in hollow particles.SOLUTION: A method for determining whether a shell of hollow particles formed by connecting a plurality of primary particles has a communicating port connecting an extra-particle region and a hollow region includes a determination step of determining that the shell of the hollow particle has a communicating port when there is a location where an extra-particle region and an intra-shell pore region are connected and where the intra-shell pore region and the hollow region are connected in the extra-particle region, the intra-shell pore region, and the hollow region, which are obtained by binarizing an observation image showing the hollow region and the shell which is the particle portion of the hollow particle.SELECTED DRAWING: Figure 3
Patent JP-2023114609-A (JP)
Title: Decorative sheet and method for producing the same, and resin layer and method for producing the same
Inventor: SAKURAI MITSUO
IPC: C08L101/00
Filed: 2022-02-07
Abstract: To provide a decorative sheet which has high strength and reduces an environmental load.SOLUTION: A decorative sheet has a resin layer containing a recycled resin, a virgin resin and a cellulose nanofiber.SELECTED DRAWING: Figure 3
Patent JP-2023121243-A (JP)
Title: Vehicle body pillar structure and vehicle body structure
Inventor: ITO HIROYASU
IPC: B62D25/04
Filed: 2022-02-21
Abstract: To provide a vehicle body pillar structure and a vehicle body structure which secure bond strength between a cylindrical body of a CFRP-made pillar and an outer layer member and are excellent in rigidity to collision load of lateral collision.SOLUTION: A vehicle body pillar structure comprises: a cylindrical body made of carbon fiber-reinforced resin; and an outer layer member made of carbon fiber-reinforced resin which is arranged at an outer periphery of the cylindrical body. The outer layer member includes a recessed groove part which is arranged at a face in a cylindrical body side and retreated in a direction apart from the cylindrical body to extend in an axial direction of the cylindrical body in which carbon fiber-reinforced resin is arranged in the recessed groove part including a continuous fiber wound around pin members installed at both sides in the axial direction of the recessed groove part and orientated along the axial direction of the cylindrical body.SELECTED DRAWING: Figure 3
Patent JP-2023121655-A (JP)
Title: Vehicular lighting fixture
Inventor: WATANABE YASUAKI
IPC: F21S43/241
Filed: 2022-02-21
Abstract: To provide a vehicular lighting fixture that is configured to emit outgoing light from a light source to the front of the lighting fixture through a light guide body such that the light guide body appears to shine even at its outer peripheral edge part.SOLUTION: A light guide body 30 is configured to totally reflect outgoing light from a light emitting element 22 which impinges on its center region 32 toward a peripheral region 34, and a plurality of incidence control elements 34S for incidence control over direct light from the light emitting element 22 are formed on a rear face of the peripheral region 34, side by side, from an inner peripheral side to an outer peripheral side. The plurality of incidence control elements 34S each comprises a second incidence surface 34S1 on which the direct light from the light emitting element 22 impinges and a second reflection surface 34S2 which totally reflects the incident light to the front of the lighting fixture, and are so arranged that the totally reflected light from the center region 32 can impinge on the second reflection surface 34S2. Consequently, bright light traveling from the light emitting element 22 toward the center region 32 of the light guide body 30 is distributed to the peripheral region 34.SELECTED DRAWING: Figure 6
Patent JP-2023124357-A (JP)
Title: name holder
Inventor: HIRATA KEI
IPC: G09F1/10
Filed: 2022-02-25
Abstract: To provide a simple and low-cost name holder with ability to hold a bundle of business cards.SOLUTION: A flexible, sheet-like holder main body 11a includes: a first pair of horizontally opposed projecting pieces 14, formed by notching or cutting: and a second pair of vertically opposed projecting pieces 16, formed by notching or cutting. The first pair of projecting pieces 14 holds a name plate 21 on a front surface of the holder main body 11a. The second pair of projecting pieces 16 holds a business card bundle 25 on a back side of the holder main body 11a. The holder main body 11a further includes at least one locking piece 18 formed by cutting or notching. The locking piece 18 supports a lower end of the name plate 21 held by the first pair of projecting pieces 14 on the surface of the holder main body 11a.SELECTED DRAWING: Figure 1
Patent JP-2023125613-A (JP)
Title: system
Inventor: KOJIMA HIDETAKA
IPC: B65G1/04
Filed: 2022-02-28
Abstract: To provide a system capable of effectively sorting articles into a container arranged/stored in a height direction.SOLUTION: In an embodiment, a system comprises a shelf, a reader, an automatic conveyance device, an elevator, and a processor. The shelf stores containers arranged in a height direction. The reader reads a code for specifying an article. The automatic conveyance device conveys the article. The elevator lifts and lowers the automatic conveyance device. The processor specifies a position of a shelf where a container for putting the article is present on the basis of the code, causes the automatic conveyance device having the article loaded thereon to be lifted on the basis of the specified position of the shelf, and causes the lifted automatic conveyance device to put the article into the container.SELECTED DRAWING: Figure 1
Patent JP-2022089816-A (JP)
Title: Information processing system, information processing method, and computer program
IPC: A63F13/55
Filed: 2022-03-10
Abstract: PROBLEM TO BE SOLVED: To enhance a viewing user's motivation for gifting. 
     SOLUTION: An information processing system includes a distribution section, a position setting section, and an object display section. Every time a display request of a first gift is given from a viewing user terminal, the position setting section sets a gift arrangement position to a position to which a first object is displayed and the object display section displays the first object at the position set by the position setting section before the number of the first objects arranged at the gift arrangement positions in a moving image reaches a predetermined number, and the position setting section selects one first object of the predetermined number of the first objects and the object display section changes a display mode of the first object selected by the position setting section to a second object when the number of the first objects arranged at the gift arrangement positions in the moving image has reached the predetermined number and all display modes of the predetermined number of the first objects do not change. 
     SELECTED DRAWING: Figure 14 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023132895-A (JP)
Title: Optical repeater system, optical repeater device, master unit, and synchronization control method
Inventor: MURAKAMI YASUKI
IPC: H04W56/00
Filed: 2022-03-11
Abstract: To further improve availability by enabling carrier aggregation involving different optical repeater devices.SOLUTION: According to an embodiment, each master unit comprises a storage unit that stores a weight previously assigned thereto, a timing detection unit, an information sharing unit, a determination unit, and a synchronization control unit. The timing detection unit detects a UL/DL switching timing in each carrier band of a base station subordinate thereto. The information sharing unit performs communication with another master unit, and shares with the another master unit information including at least the weight and the latest UL/DL switching timing out of the detected UL/DL switching timings. The determination unit self-reliantly determines the UL/DL switching timing thereof on the basis of the shared information. The synchronization control unit sets the UL/DL switching timing thereof to the determined UL/DL switching timing.SELECTED DRAWING: Figure 11
Patent JP-2023133895-A (JP)
Title: Event management support server and system
Inventor: MURANAKA AKIRA
IPC: G06Q50/10
Filed: 2022-03-14
Abstract: To provide an event management support server and system configured to allow an event organizer who is not accustomed to event management to easily manage an event in accordance with the category or content of the event, and to draw more customers.SOLUTION: An event management support system is configured so that an event management support server, an event site, and terminals can communicate with each other. The event management support server 1 includes: a web page generation unit 1e which generates a web page related to management of an event on the Internet; a virtual event space processing unit 1f which generates a virtual event space VS on the Internet, and generates a plurality of virtual event areas VA for each category in the virtual event space VS; an application information processing unit 1g which stores application information of participants in a storage unit 1b; a notification unit 1h which transmits data information related to participation to the event to participant terminals 6; and an event distribution unit 1i which distributes an online event to the participant terminals 6.SELECTED DRAWING: Figure 4
Patent JP-2022078286-A (JP)
Title: Training method and training device for data processing model, electronic equipment and storage medium
Inventor: XU YANGKAI
IPC: G06N3/04
Filed: 2022-03-14
Abstract: To provide a training method, a training device, a data processing device, and electronic equipment that improve training efficiency of a data processing model and data processing effects of the data processing model by reducing consumption of a data processing logic in training.SOLUTION: In the method, sample data is acquired, an initial data processing model containing a plurality of forward nodes is acquired, a plurality of time-dependent features corresponding to the plurality of forward nodes are determined, the initial data processing model is processed on the basis of the plurality of time-dependent features, a data processing model of a training object is acquired, and the data processing model of the training object is trained by using the sample data and a plurality of intermediate calculation results.SELECTED DRAWING: Figure 1
Patent JP-2023135021-A (JP)
Title: Composition containing alga belonging to class cyanidiophyceae
Inventor: HAYASHI MASAHIRO
IPC: A23K10/30
Filed: 2022-03-15
Abstract: To provide a composition for farming an aquatic organism.SOLUTION: The present invention provides: a composition for farming an aquatic organism, the composition containing an alga belonging to the class Cyanidiophyceae; or a method for farming an aquatic organism, the method including feeding the farming composition to the aquatic organism.SELECTED DRAWING: None
Patent JP-2023139474-A (JP)
Title: Document editing method and information processing apparatus
Inventor: NAGAI KAZUKI
IPC: G06F40/166
Filed: 2022-03-22
Abstract: To allow one user of a terminal device to browse an edited document which has been edited by multiple users in cooperation, even when the terminal device is not equipped with an application for executing edited document data.SOLUTION: A cooperative editing server 20 is configured to: acquire document data from a terminal device PC1; receive operation data Dx1 indicating an operation for the terminal device PC1 of a user U1 and operation data Dx2 indicating an operation for a terminal device PC2 of a user U2; execute an application to edit the document data in accordance with the operation data Dx1 and Dx2; transmit the edited document data to the terminal device PC1; convert, when the terminal device PC2 cannot execute the application, the edited document data into a format for displaying the data on the terminal device PC2 to generate converted document data; and transmit the converted document data to the terminal device PC2.SELECTED DRAWING: Figure 1
Patent JP-2023139956-A (JP)
Title: Sheet storage device and image formation device
Inventor: BUI CHI THANH
IPC: B65H1/04
Filed: 2022-03-22
Abstract: To provide a sheet storage device that, despite simple constitution adaptive to downsizing, allows a user to move a slider which regulates a rear end of a sheet only by moving a pair of cursors regulating both ends of the sheet in an interlocking manner.SOLUTION: A sheet feeder 10 has a first pinion gear 26 and a second pinion gear 27 which are supported on the same axis, and rotates the first pinion gear 26 and second pinion gear 27 as respective widthwise rack gears 24 and respective cursors 22 move to pass each other so as to move, in an interlocking manner, a longitudinal rack gear 25 and a slider 23 in a longitudinal direction, with the respective widthwise rack gears 24 being provided with cut-off parts 24A (or 24B) each formed through cutting-off in a portion where the teeth thereof mesh with the first pinion gear 26.SELECTED DRAWING: Figure 4