baber/WOPTO huggingface dataset:
Patent JP-2005535367-A (JP)
IPC: A61F2/82
Filed: 2003-06-18
Abstract: A coating composition in the form of a one or multi-part system, and method of applying such a composition under conditions of controlled humidity, for use in coating device surfaces to control and/or improve their ability to release bioactive agents in aqueous systems. The coating composition is particularly adapted for use with medical devices that undergo significant flexion and/or expansion in the course of their delivery and/or use, such as stents and catheters. The composition includes the bioactive agent in combination with a first polymer component such as polyalkyl(meth)acrylate, polyaryl(meth)acrylate, polyaralkyl(meth)acrylate, or polyaryloxyalkyl(meth)acrylate and a second polymer component such as poly(ethylene-co-vinyl acetate).
Patent JP-2005531265-A (JP)
Title: パワー制御中継器における順方向リンク利得制御のための方法および装置
IPC: H04B17/40
Filed: 2003-06-26
Abstract: パワー制御中継器は順方向リンク利得を制御する無線の通信システムにおいて使用のために開示される。パワー制御中継器は基地局から移動局への通信のための順方向リンクを含んでいる。さらに、パワー制御中継器は移動局から基地局への通信のための逆方向リンクを含んでいる。埋め込まれた加入者ユニットがパワー制御中継器で使用されて、順方向リンクに挿入される。マイクロプロセッサが加入者ユニットとの電子通信にあって、順方向リンク利得を制御するための方法を実施する。順方向リンク利得を制御するための方法は、パワー制御中継器に埋め込まれた加入者ユニットを使用して順方向リンク利得を制御することを含んでいる。
Patent JP-2005534422-A (JP)
IPC: A61B/
Filed: 2003-08-01
Abstract: A method of treating urinary incontinence by implanting a transvaginal mid-urethral sling into a person includes engaging an introducer needle with an extension of an implant; advancing the introducer needle and the extension of the implant from a vaginal incision, along a first path posterior to a pubic bone, and through an abdomen of the patient; and disengaging the introducer needle from the extension of the implant and withdrawing the introducer needle backward along the first path from posterior to the pubic bone out of the vaginal incision.
Patent JP-2005536158-A (JP)
Title: ゼロ交差およびビタビアルゴリズムの計算を用いたｃｐｆｓｋ信号の復調
IPC: H04L27/156
Filed: 2003-07-29
Abstract: 本発明は、データ記号系列｛ｄ ｋ ｝によって周波数変調された信号の復調装置に関するものである。この装置には、ゼロ交差検出器（１）と、系列｛ｚ ｉ ｝を生成するための発生器（２）（ｚ ｉ は、ゼロ交差ｔ ｉ およびｔ ｉ＋１ から計算される）と、データ記号系列｛ｄ ｋ ｝を復元するためのユニット（３）とが含まれている。このユニット（３）は、系列｛ｚ ｉ ｝と補助系列との間のユーックリッドの公理に基づいた最小距離によって特徴付けられている。ここで、補助系列の各系列要素は、索引ｋにおける系列｛ｈ ｉ、ｋ ｝を有するデータ記号系列｛ｄ ｋ ｝の重畳から形成される。また、系列｛ｈ ｉ、ｋ ｝は、時間ｔ ｉ の関数である。
Patent JP-2006500377-A (JP)
Title: 改善された溶解性を有する医薬組成物
IPC: A61K31/18
Filed: 2003-06-20
Abstract: 本発明は固体状の核形成を抑制する医薬／添加剤のくみあわせの特性を確認するために医薬、添加剤を含む混合物をスクリーニングする方法である。また、本発明はさらに、薬物を再結晶化／沈殿阻害剤と任意に増強剤と混合することにより、胃液条件において、低溶解度の薬物の溶解度、溶解性及びバイオアベイラビリティを増加させることに関する。
Patent JP-2006501674-A (JP)
Title: 測定で求めた電気的特性に基づいて製造プロセスを制御するための方法および装置
IPC: H01L21/768
Filed: 2003-09-19
Abstract: 本発明の方法は、動作レシピに従って半導体デバイスの構造を形成するプロセスを少なくとも１つ実行するステップを有する。この構造の電気的性能特性が測定される。測定で求めた電気的性能特性とその電気的性能特性の目標値とが比較される。この比較に基づいて、操作レシピの少なくとも１つのパラメータが決定される。システム（１０，１００）は、プロセス装置（３０〜８０，２００，２１０，２２０，２３０）、計測装置（３０〜８０，２５０）およびコントローラ（１４０）を備える。プロセス装置（３０〜８０，２００，２１０，２２０，２３０）は、操作レシピに従って半導体デバイスの構造を形成するプロセスを少なくとも１つ実行するように構成されている。計測装置（３０〜８０，２５０）は、構造の電気的性能特性を測定するように構成されている。コントローラ（１４０）は、測定で求めた電気的性能特性とその電気的性能特性の目標値とを比較して、この比較に基づいて操作レシピの少なくとも１つのパラメータを決定するように構成されている。
Patent JP-2006513595-A (JP)
Title: シングル・シェルフ・ルータ
IPC: H05K7/14
Filed: 2003-09-25
Abstract: 物理的オフセットを有する複数の隣接モジュールと、モジュールの少なくとも１つの線形アレイにおいて、シングル・オフセット・モジュールをリング形状に接続する第１次元リンクとを有するモジュール・ファブリックに関する。このファブリックはさらに、各線形アレイのモジュールを少なくとも１つのリング形状に接続し、各アレイにおけるモジュール間のすべてのリンクは１個のモジュールを飛び越すダブル・オフセット・リンクである第２次元リンクと、各線形アレイのモジュールを少なくとも１つのリング形状に接続し、各アレイにおけるモジュール間のすべてのリンクは２個のモジュールを飛び越すトリプル・オフセット・リンクである第３次元リンクとを備える。
Patent JP-2006503956-A (JP)
IPC: C08F10/02
Filed: 2003-01-16
Abstract: A novel continuous gas phase polymerization process for producing polyethylene and interpolymers of ethylene and at least one other olefin is provided wherein a non-aromatic halogenated hydrocarbon(s) is used in a specified amount such that the activity of the titanium, zirconium and/or hafnium containing Ziegler-Natta catalyst is increased.
Patent JP-2006504520-A (JP)
Title: ガス浄化法とその装置
IPC: C22B1/16
Filed: 2003-10-29
Abstract: 【課題】ガス浄化法とその装置である。 【解決手段】本発明は、比較的微細な微粒子を第１の物質から第２の物質を用いて除去するのに使用する装置に関する。装置は、流れの輪郭で流路を画成する複数の段部を有する静止した並流接触混合器部を含む。第１と第２の物質とのために少なくともいくつかの段部は、彎曲の有効中心を流路の一方の側に置くほぼ彎曲した流路を画成するように整形される。各隣接する段部は流路の反対側に彎曲の中心を有して隣接段部の間に屈曲点を与え、これにより物質が隣接段部間の反応器を流れ通るときに、第１の物質に存在する粒子は第２の物質中を最初は一方の方向へ次にほぼ反対方向へと移動し、第１と第２の物質間の界面相互作用を促進する。流路は、少なくとも２つの隣接する段部間に屈曲点寄りに縁形成部が設けられることで特徴づけられ、そうして１つの段部の彎曲流路の外側の第２の物質の、縁形成部から隣接段部の彎曲流路の内側までの比較的高速度での発射が強化される。このようにして第１と第２の物質間の接触は強化される。装置にはさらにサイクロン部とスピナー部も含まれる。本発明はまた洗浄流体を使ってガスの流れから比較的微細な微粒子を除去する方法と、装置を製作するための可塑性複合材料にも関する。
Patent JP-2006520992-A (JP)
IPC: H01M8/00
Filed: 2002-12-13
Abstract: A fuel cell having a membrane-electrode assembly including an anode, a cathode, and a polymer electrolyte membrane interposed between the anode and the cathode, wherein the polymer electrolyte membrane is a sulfonated polysulfone polymer.
Patent JP-2006511077-A (JP)
Title: テスト構造を用いた半導体素子の製造方法
IPC: H01L23/544
Filed: 2003-12-05
Abstract: 複数のセルタイプを有する半導体素子の基板への製造のテストにおいて、少なくとも１つのテスト構造を、複数のセルタイプのうちの１つまたは複数と類似したセルタイプを有する多数のテストセルと共に、半導体基板に設け、セルタイプのそれぞれは、使用の間に所定の供給電圧に接続される少なくとも第１および第２局部相互接続層構造と、それぞれ第１および第２電子部品構造に制御電圧を供給する複数の第１および第２ポリシリコン層構造と、を有し、テスト構造において、すべての複数の第１ポリシリコン層構造を、互いに接続して、相互接続された第１ポリシリコン層構造を提供し、かつ、テスト構造において、すべての複数の第２ポリシリコン層構造を、互いに接続して、相互接続された第２ポリシリコン層構造を提供し、所定のテスト電圧を供給し、テスト電圧から生じる電流を測定し、製造欠陥を識別する。
Patent JP-2006512963-A (JP)
Title: 画像におけるオブジェクトの位置を決定する方法
IPC: H04N1/00
Filed: 2003-12-16
Abstract: 本発明は、（Ｘ線）画像（Ｉ）におけるオブジェクトの位置を決定する方法に係る。マーキング素子のパターンがオブジェクトに取り付けられ、マーキング素子は、画像において個々に目に見えるように明らかではない。即ち、マーキング素子は、不可視の「透かし」を形成する。しかし、画像（Ｉ）と、マーキング素子のパターンのフィルタ画像（Ｍ）との相関によって、マーキング素子の位置、従って、オブジェクトの位置が、画像（Ｉ）において決定可能である。
Patent JP-2006191507-A (JP)
Title: Analog signal generating device
Inventor: KONAGI TETSUYA
IPC: H03M1/08
Filed: 2005-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To simplify the whole constitution and its manufacturing step and to obtain an analog signal with a voltage in a previously set range without receiving an influence of format inherent in a digital signal in an analog signal generating device, in which an analog signal is generated based on the digital signal.  <P>SOLUTION: A control means 10 receives a digital signal from a selector means 5 and recognizes the format of the digital signal. Based on the recognized result, a voltage of power fed from a power feeding means 9 is so arranged under control of the control means 10 that the digital signal is converted to an analog signal with a voltage in a previously set range by a re-quantization means 7.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006192437-A (JP)
Title: Welding equipment
Inventor: IMANAGA AKIYOSHI
IPC: B23K9/095
Filed: 2005-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide welding equipment capable of forming a back bead which is free from any recess on a back side, projecting in shape and substantially uniform by adequately performing the pulse arc welding or the DC arc welding to a groove joint with tubular members or flat plate members formed of a thick plate butted to each other.  <P>SOLUTION: A first image pickup means to pick up an image of a molten pool on a back side and a peripheral part thereof and an illumination means are arranged at the position on the back side opposite to the position of an electrode. A first image display means is arranged, which displays on a screen images of the molten pool on the back side picked up by the first image pickup means and the images of the peripheral part thereof, the dimensions to indicate the size of the images, the width of the molten pool on the back side, and the width of a back bead in a vicinity of the molten pool, and a specified value to indicate an adequate range of the width of the back bead to be formed by the root running.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006191975-A (JP)
Title: Network game system
Inventor: YAMADA MITSUKANE
IPC: A63F13/352
Filed: 2005-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a network system which enables respective players to comfortably play a game without concentrating processing loads on a specified computer.  <P>SOLUTION: A game device 20 transmits request signals including area information indicating an area where the player is to play to a central management server 10. The central management server 10 decides whether or not an area server executing the game processing of the area indicated by the request signal already is present, and in the case that the area server corresponding to the area already is present, operates the game device 20 which is the transmission origin of the request signal as an area client operated under the control of the area server. On the other hand, in the case that the area server corresponding to the area is not present, the game device 20 is operated as an area server which executes the game processing of the area.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005095698-A (JP)
Title: Pinball game machine
Inventor: MATSUMOTO KUNIO
IPC: A63F7/02
Filed: 2005-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pinball game machine whose game characteristics are not impaired by the enlargement of a display such as a liquid crystal display device.  <P>SOLUTION: This pinball game machine is provided with a transparent plate unit B1 at the front face of a liquid crystal unit C1 of a game board A. In the transparent plate unit B1, a first game ball passing region R1 is provided on the front face of a transparent plate 30, and pinwheels 32a, game piles 34a and a prize port 36a are provided on the front face of the transparent plate 30. In the same way, a second game ball passing region is provided on the rear face of the transparent plate 30, and pinwheels, game piles and a prize port are provided on the rear face of the transparent plate 30. Game balls entering a jump-in hole 26a reach the first passing region R1, and game balls entering jump-in holes 26b, 26c reach the second passing region on the rear face of the transparent plate 30.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006196308-A (JP)
Title: Push-button switch and moving contact body thereof
Inventor: SATO HIDETAKA
IPC: H01H13/66
Filed: 2005-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a push-button switch and a moving contact body thereof, which allow two-step operation and downsizing.  <P>SOLUTION: The inverting operation of first and second click springs 5 and 6 allows two-step operation at pressurizing operation. The first click spring 5 is provided on one side of the second click spring 6. The spring action of the first click spring 5 energizes the second click spring 6 for tilting operation and returning operation. One end of the second click spring 6 is made to contact a common fixed contact 2. The pressurizing operation urges the second click spring 6 to tilt so that the first click spring 5 inverts. The first and second click springs 5 and 6 are made to contact a first individual fixed contact 3 for switching of a first stage switch. A further pressurizing inverts the second click spring 6 so that the second click spring 6 contacts a second individual fixed contact 4 for switching of a second stage switch.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006194356-A (JP)
Title: Electric linear actuator and electric brake device
Inventor: NAKASEKI TSUGUTO
IPC: F16D65/18
Filed: 2005-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric linear actuator and an electric brake device capable of securing a step-up function without additionally assembling a deceleration mechanism therein.  <P>SOLUTION: A plurality of planetary rollers 7 are interposed between the outer diameter surface of a rotor shaft 5 in an electric motor and the inner diameter surface of an outer ring member 1 fixed to the outer diameter side of the rotor shaft 5 so that each planetary roller 7 is revolved while rotating around the rotary shaft 5 accompanied by the rotation of the rotor shaft 5. A peripheral groove 10 fitted in a spiral protruded line formed by a line member 9 circumferentially attached to a spiral groove 8 formed on the inner diameter surface of the outer ring member 1 is formed on the outer diameter surface of each planetary roller 7 at an equal pitch to the spiral protruded line. The rotary motion of the rotary shaft 5 is converted to the linear motion of each planetary roller 7. As a result, the step-up function can be secured without additionally assembling a deceleration mechanism therein.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006198719-A (JP)
Title: Assembly production system and its method
Inventor: SEKIGUCHI NOBUTSUGU
IPC: B23P21/00
Filed: 2005-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an assembly production system capable of easily corresponding to variation of the number of production.  <P>SOLUTION: A product is completed by assembling a plurality of small components 6 to a main component 5 in the assembly production system. An overhead conveyor 2 is composed by serially connecting a plurality of overhead transfer units 1 in a loop shape. The start point 2a and the end point 2b of the overhead conveyor 2 are brought close to each other. A plurality of hangers 3, to which a jig 37 for placing the main component 5 on the overhead conveyor 2 and component shelves 38, 39 for plural types of the small components 6 are provided, are suspended from the overhead conveyor 2. A worker 4 completes the product by assembling the small components 6 to the main component 5 while walking following the hanger 3 during a period until the hanger 3 is transferred from the start point 2a to the end point 2b.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006202434-A (JP)
Title: Optical disk device
Inventor: SUYAMA TAKAAKI
IPC: G11B31/00
Filed: 2005-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk device in which rewriting only a firmware portion for determining the polarity of a CSEL signal can be made possible and the device can be recognized even if connected with a PC with different polarity in the CSEL signal.  <P>SOLUTION: When the optical disk device in which BIOS and OS for the PC are connected to an IDE port cannot be recognized, the optical disk device alters a CSEL signal determination setting portion because a recognition portion needs to alter setting. After the alteration, power supply for the PC is turned off, the power supply for the PC is restored, and the determination whether or not the optical disk device in which the BIOS and the OS for the PC are connected to the IDE port can be recognized is performed. By reversing the polarity determination, the optical disk device can be recognized by the BIOS and the OS for the PC, and its normal operation restores.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006208073-A (JP)
Title: Inspection method and forming method of micropore
Inventor: MIYAURA TOMOKO
IPC: G01B15/00
Filed: 2005-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that a high-magnification observation using an electron microscope, or the like is required when determining whether the formation state of micropores that penetrate and are formed at a plastic sheet is appropriate, and that the observation is not easy and one should be well aware of the formation state for the determination in this case.  <P>SOLUTION: A thin film is provided on the plastic sheet before drilling, and the plastic sheet is drilled to penetrate and form the micropores. Then, the shape of the micropores is inspected by observing creases and cracks around the micropores that are drilled and penetrated for formation with a surface on which the thin film of the plastic sheet is provided as an observation surface.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006207909-A (JP)
Title: Waste and contaminant recycling device and method
Inventor: MIZUKOSHI YUJI
IPC: A62D101/22
Filed: 2005-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently and easily treat incinerated ash (main ash), incinerated fly ash, heavy metal causing contamination of soil, dioxin or the like simultaneously, to easily clean up combined contamination caused by both ashes, and to manufacture reconditioned sand or the like used as raw a material of construction material and civil engineering material.  <P>SOLUTION: In this detoxifying/recycling device for wastes and contaminant comprising a baking furnace and a crushing device for crushing a burned substance treated by the baking furnace, and further comprising an oxygen concentration adjusting means mounted in the baking furnace, an organic chlorine compound such as dioxin or PCB, the incinerated ash as a combined contaminated substance including harmful heavy metal, the incinerated fly ash, contaminated soil, wastes obtained by breaking up landfilled wastes of a final disposal site, or the like are detoxified by baking treatment, and then crushed into a sandy condition by the crushing device to be recycled as the construction material and the civil engineering material.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006211402-A (JP)
Title: Camera apparatus and image processing method
Inventor: SOSHI MASATO
IPC: H04N9/07
Filed: 2005-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To utilize a memory effectively and to incur no processing speed deterioration of an image processing even when the image is processed by adding an image data such as a ring pixel to an original image data.  <P>SOLUTION: When bare data stored in a RAM through a data interface portion 23 are transferred to image data processing blocks 25, 26, and 27; an image data transferring portion 24 adds a data required by the image processing to it, and transmits it just before it is transmitted to the image data processing blocks. The image data transferring portion 24 designates a pixel position regarded as a transfer object, and when the data corresponding to the pixel position does not exist (ring pixel position), transfers the data to the image data processing blocks as a data of the ring pixel by converting the pixel position into a pixel position having a data in the original image data.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006209570-A (JP)
Title: Input device
Inventor: TABATA MASASHI
IPC: G06F3/041
Filed: 2005-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an input device capable of sensing an operation touch as an input response from any part on a surface panel.  <P>SOLUTION: A first drive signal Sd1 is generated and vibration is generated from a vibration generator 15A. Then, a second drive signal Sd2 is generated after a lapse of a delay time T, and vibration is generated from a vibration generator 15B. In this way, positions for a part serving as an antinode and a part serving as a node are properly distributed in vibration waves which are generated from both the vibration generators transmitted to the surface panel 13, and the vibration waves from the both generators are surely transmitted to the whole of the surface panel 13. Consequently, an operator can sense the operation touch serving as a response to pressing operation to the surface panel 13 from any part of the surface panel 13.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006205658-A (JP)
Title: Composite molded base fabric and its manufacturing method
Inventor: FUJIMOTO TAKESHI
IPC: B29K75/00
Filed: 2005-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a sheet pad with an embedded foam block without increasing the number of members to be fitted to a molding tool.  <P>SOLUTION: The composite molding base fabric 10 for a sheet pad is formed of a nonwoven fabric and fitted to the inner surface of the molding tool 46, and made into a monolithic sheet pad by supplying a foaming stock solution composition for forming a soft polyurethane foam, and expansion-curing it inside the molding tool 46. The cut base fabric is a composite molding base fabric 10 for the sheet pad having a foam block 21 with higher hardness than the soft polyurethane foam, fitted to a prescribed position.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006217162-A (JP)
Title: Ring oscillator circuit
Inventor: YAMADA YASUO
IPC: H03K3/03
Filed: 2005-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ring oscillator circuit capable of finely adjusting an oscillation period with a shorter variable width than before.  <P>SOLUTION: The ring oscillator is constituted by connecting a plurality of logic gates in a ring shape and outputs a clock of designated frequency from one of the plurality of logic gates, and one of the plurality of logic gates is a switching circuit with two or more two inputs. The output signal of the switching circuit rises according to a 1st signal inputted through a 1st path and falls according to a 2nd signal which is inputted through a 2nd path and has the same polarity with the 1st signal, but differs in propagation delay time.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006215802-A (JP)
Title: Firmware download device and method for communication terminal, and system using it
Inventor: NEI TAMI
IPC: G06F13/00
Filed: 2005-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a firmware download device for communication terminal, capable of efficiently downloading firmware to a plurality of communication terminals by use of one host PC, and a system using it.  <P>SOLUTION: The download device 10 generates a virtual local MAC address for each port and also generates a virtual IP address for each port, detects whether communication terminals T1-Tn are connected to the download device to be communicable or not, and transmits connection information of the communication terminals to a host device 20. The download device temporarily stores a firmware data packet received from the host device in a buffer, copies the firmware data packet for the communicable communication terminals, transfers the copy to each communication terminal with the header part thereof being converted to local MAC and IP addresses of each port, and transfers, upon receiving an ACK packet from each communication terminal, the packet to the host device with the header part thereof being converted to MAC and IP addresses of the download device.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006118697-A (JP)
Title: Turnbuckle
Inventor: SHIE RON KOAN
IPC: B63B25/24
Filed: 2005-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a turnbuckle that does not extensively move on a retention frame, and interfere with operation or cause pinching of fingers when turning the retention frame to adjust fastening between the retention frame and a screw rod.  <P>SOLUTION: The turnbuckle is provided with the retention frame 4, the screw rod 5 screwed on the retention frame 4, a stop bed 6 having a through-hole 60 positioned on the same axis as the screw rod 5, and provided on the retention frame 4 so it can move along the axis of the screw rod 5, and a stopper 73 limiting moving of the stop bed 6 with respect to the retention frame 4. A non-circular protrusion 52 with a non-circular cross section, and a circular protrusion 53 axially extended from a tip of the non-circular protrusion are sequentially connected on a tip of the screw rod 5. The through-hole 60 of the stop block 6 is provided with a non-circular hole part 63 capable of fitting on the non-circular protrusion 52 so as to not relatively turn, and a circular hole part 62 fitting on the circular protrusion 53 so it can relatively turn. The stopper 73 can engage with the stopper 6 from an outer side and it is fixed to a tip of the circular protrusion 53 such that moving of the stop block 6 can be limited in a range corresponding to the non-circular protrusion 52 and the circular protrusion 53 on the screw rod 5.  <P>COPYRIGHT: (C)2006,JPO&NCIPI