baber/WOPTO huggingface dataset:
Patent JP-2005507045-A (JP)
Title: ガス交換弁を制御するための装置
IPC: F01L9/10
Filed: 2002-07-18
Abstract: 本発明は、内燃機関のガス交換弁（１２，１３）を制御するための装置であって、液圧的な弁駆動装置（１７，１８）が設けられており、該弁駆動装置（１７，１８）が、それぞれガス交換弁（１２，１３）に作用する１つの作動ピストン（２６）と、該作動ピストン（２６）によって制限された２つの作業室（２７，２８）とを有しており、両作業室（２７，２８）のうちの、ガス交換弁（１２，１３）の閉鎖のための第１の作業室（２７）が、常に流体圧力下にあって、ガス交換弁（１０）の開放のための第２の作業室（２８）が、第１および第２の電気的な制御弁（３４，３５）を介して、加圧下の流体によって交互に充填可能でかつ放圧可能である形式のものに関する。所要の制御弁の点数を削減するために、一対の弁駆動装置において、第２の弁駆動装置（１８）の第２の作業室（２８）の充填が、第１の弁駆動装置（１７）の作動ピストン（２６）の、対応するガス交換弁（１２）の開放のための所定の行程の後に、第１の弁駆動装置（１７）の、第１の制御弁（３４）に接続された第２の作業室（２８）を介して行われる。
Patent JP-2005510292-A (JP)
IPC: B29K75/00
Filed: 2002-11-20
Abstract: There is disclosed a method for introducing a helical formation (11) into a flexible tubular material (12). The material (12) is supported together with a surrounding helical former (13) so as to deform the material (12) to have a helical indentation (11) corresponding to the shape of the former (13). The material (12) is then set in that configuration and the former (13) is removed. <IMAGE>
Patent JP-2005513038-A (JP)
IPC: A61P3/10
Filed: 2002-11-21
Abstract: A compound 5-[4-[2-(N-methyl-N-(2-pyridyl)amino)ethoxy]benzyl&rsqb ;thiazolidine-2,4-dione benzenesulfonate salt or a solvate thereof; a process for the preparation of the salt, pharmaceutical compositions comprising the salt and the use of the salt in medicine.
Patent JP-2005513167-A (JP)
Title: エポシロン誘導体と代謝拮抗剤からなる組合せ
IPC: A61P35/02
Filed: 2003-01-13
Abstract: （ａ）抗腫瘍性代謝拮抗剤と（ｂ）式（Ｉ）： 【化１】     （I） ［式中、Ａは、ＯまたはＮＲ Ｎ （式中、Ｒ Ｎ は水素または低級アルキルである。）であり、Ｒは水素または低級アルキルであり、Ｒ’は、メチル、メトキシ、エトキシ、アミノ、メチルアミノ、ジメチルアミノ、アミノメチルまたはメチルチオであり、ＺはＯまたは単結合である。］のエポシロン誘導体を含んでなる組合せであって、所望により少なくとも一つの医薬上許容される担体および／または所望により標準的な止痢剤を含んでなり、同時的、個別的、または逐次的に使用するための組合せであり、特に増殖性疾患の治療のための組合せ；このような組合せを含んでなる医薬組成物；増殖性疾患を治療する薬剤の製造のためのこのような組合せの使用；同時的、個別的、または逐次的に投与するための組み合わされた製剤としてのこのような組合せからなる商業的包装および製品；および温血動物の治療法が開示されている。
Patent JP-2005516618-A (JP)
IPC: G01N33/569
Filed: 2003-01-22
Abstract: A nucleic acid comprising a nucleotide sequence encoding a lysin, which nucleotide sequence comprises the sequence shown in SEQ ID No. 1 or a variant, homologue or derivative thereof. A novel lysin obtainable from a bacteriophage capable of colonising Clostridium perfringens, and the use thereof as a medicament for the treatment of a disorder associated with pathogenic Clostridium bacteria, for example.
Patent JP-2005531288-A (JP)
Title: 歯周疾患の診断、治療、およびモニタリングのためのアクチノバチルス・アクチノミセテムコミタンス抗原の同定
IPC: A61P3/10
Filed: 2002-11-20
Abstract: アクチノバチルス・アクチノミセテムコミタンスに起因する疾病の検出、予防、改善、および治療のための、抗体、ポリペプチド、およびポリヌクレオチドが提供される。
Patent JP-2005518017-A (JP)
IPC: G11C11/401
Filed: 2003-01-29
Abstract: An electronic system according to various aspects of the present invention includes a memory having a location-specific command interface and a general command interface. The memory communicates with other components in the system via a main command bus configured to transfer address-specific commands and a supplementary command bus configured to transfer general commands. Commands may be received by the memory simultaneously at the respective interfaces.
Patent JP-2005534548-A (JP)
IPC: B60C15/028
Filed: 2003-02-14
Abstract: The present invention provides a run flat assembly for use with a wheel and a pneumatic tire having a tread, two sidewalls and an interior carcass surface. The run flat assembly includes an inner tube having an outer surface bonded to the interior contour of the pneumatic tire; and an inner rim bonded to said inner tube opposite the interior contour. The inner rim abuts a wheel rim when pressure in the pneumatic tire is reduced to a non-operational level
Patent JP-2005519750-A (JP)
Title: 蒸発のプロセス及び一体型蒸発器付きプロセス容器
IPC: B01J8/06
Filed: 2003-03-10
Abstract: 供給原料液体を蒸発させるためのプロセス、及び、液体供給原料を蒸発させるための蒸発ゾーン（18）及びその結果生じた蒸気を処理するための処理ゾーン（26）の両方を含んでいるプロセス容器（10）は、蒸発表面部（82）を用いて液体小滴の形成を防ぐ。上記装置は、蒸発ゾーン（18）内にあるオリフィス（66）を有する注入器（48）、蒸発ゾーン（18）内に配置されていて供給原料を蒸発させて蒸気を発生させるための少なくとも１つの蒸発表面部（82）、蒸気を処理するための処理ゾーン（26）、及びプロセス容器の少なくとも一部に連結される少なくとも１つの加熱器（20）で構成され、注入器オリフィス及び蒸発表面部（82）は、オリフィス（66）での滴形成を防ぐために配置されることを特徴とする。
Patent JP-2005520917-A (JP)
Title: 高純度フェナントレンを得る方法及びそのシステム
IPC: C07C15/30
Filed: 2002-03-27
Abstract: 本発明は、粗フェナントレンを含むコールタール留分から約９５％の純度のフェナントレンを得るシステム及び方法に関するものであり、水銀柱５０ｍｍの減圧下で１６０〜１８０℃の温度範囲で分留を行い、アセナフテンとフルオレンを含む第一の留分を得、フェナントレン、アントラセン及び微量のカルバゾールを含む第二の留分を２００〜２３０℃の温度範囲で得、引き続いて２１０〜２２４℃の温度範囲で第二の留分を再蒸留して最終的に純粋なフェナントレンと残分を得、この残分を２１０〜２２４℃の温度範囲での再蒸留による残留フェナントレンの回収に再使用するものである。
Patent JP-2005526508-A (JP)
Title: Ｐｒｌｒの変化した発現に関連する癌における新規組成物および方法
IPC: C12Q1/68
Filed: 2003-03-12
Abstract: 本発明は、癌腫（特に、乳癌）の診断および処置における使用のための新規配列に関する。さらに、本発明は、スクリーニング法において使用するための新規組成物の使用を記載する。本発明は、癌におけるＰＲＬＲの発現変化に関連する組成物および方法を提供する。本発明は、表１に概説された配列からなる群から選択されたヌクレオチド配列を含む、組換え核酸を提供する。本発明はまた、この組換え核酸を含む、宿主細胞および発現ベクターもまた、提供する。
Patent JP-2005523431-A (JP)
Title: 広帯域ラムダセンサの動作方法
IPC: G01N27/407
Filed: 2003-03-06
Abstract: 燃料空気混合気でもって駆動する内燃機関（３１）の排気ガスにおける酸素濃度を検出するための広帯域ラムダセンサを動作させる方法が提供される。この方法においてはセンサ（１０）のポンプセル（１６）にポンプ電圧（Ｕ Ｐ ）が印加され、このポンプ電圧（Ｕ Ｐ ）はネルンストセル（１１）において取り出されるネルンスト電圧（Ｕ Ｎ ）に依存して調節され、また排気ガスの酸素含有量に応じてカソードとしての極性を有する、またはアノードとしての極性を有するポンプ電流（Ｕ Ｐ ）がポンプセル（１６）を介して運ぶ。リーン運転モードの燃料噴射時および／または「高速ライトオフ」時にセンサ（１０）の測定感度を維持するために燃料噴射の持続時間中および／または「高速ライトオフ」の間にポンプ電圧（Ｕ Ｐ ）が反復的に極性変換され、その結果短時間アノードとしての極性を有するポンプ電流が生じ、このポンプ電流はネルンストセルの測定電極（１２）とポンプセル（１６）の内部電極（１７）を備えた測定空間（２０）内に酸素イオンをポンピングし、この酸素イオンにより炭化水素が酸化される。
Patent JP-2005524698-A (JP)
Title: ステロイド結晶の製造法、この方法によって得られた結晶および得られた結晶の医薬製剤における使用
IPC: C07J1/00
Filed: 2003-04-22
Abstract: 本発明は、所定範囲内の平均粒度と所定最大値を超えない最大粒度とを有するステロイド結晶を製造する方法に関する。本発明の方法によれば、ステロイドの過飽和溶液を結晶化させながら湿式粉砕機による湿式粉砕にかけ、これにより一次粒子懸濁液を得る。さらに、本方法により得られた結晶およびこの結晶を含有する医薬配合物も開示される。
Patent JP-2005199492-A (JP)
Title: Image processor
Inventor: TSUJII TAKAYA
IPC: B41J29/38
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image processor for printing an image read out by means of a scanner and the image of a personal box region assigned to each individual while synthesizing.  <P>SOLUTION: The image processor performs synthetic print processing of a recording medium by mixing a job for developing a plurality of image data read out from a paper document on a memory, developing image data based on a plurality of document data stored in a personal box on the memory, and outputting an image onto a recording medium based on the plurality of image data read out from the paper document and developed on the memory, and a job for outputting an image onto the recording medium based on the plurality of image data developed in the memory area from the personal box.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005198782-A (JP)
Title: Tube connector and connection jig
Inventor: SUZUKI KAZUTOSHI
IPC: F16L21/06
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tube connector which has a compact structure, an excellent compressive strength and airtightness and a high resistance to chemicals, and generates no dead space in a duct.  <P>SOLUTION: The tube connector 1 comprises a cylindrical main body 2 made of fluoroethylene plastics which has a hollow section (insertion apertures 5 and 5) with a slightly smaller inner diameter than an outer diameter of the tube T and a stopper section 3 which circularly extends from an inner peripheral surface of a central part in an axial direction of the hollow section and forms a communication aperture 6 with the same diameter of an inner diameter of the tube T at a coaxial position of the hollow section. Preferably, the tube connector 1 is constituted to have paired holding rings 4 and 4 which are respectively applied from outside to both end sides of the cylindrical main body 2 and have approximately same inner diameters of an outer diameter of the cylindrical main body 2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004160248-A (JP)
Title: Toilet seat, toilet lid unit, and western style toilet
Inventor: IWASHITA HIROYUKI
IPC: A47K13/12
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a toilet seat, a toilet lid unit, and a western style toilet in which two toilet dumper devices with directivity can be used and assembled with two of same shape and structure on both right and left sides as they are.  <P>SOLUTION: This toilet seat/toilet lid unit is equipped with a case 52 which has a through hole at the center, a cover 54 which is fit with the case 52 and has a hole 53 at the center, a rotor 55 which is fit into the through hole 51 and the hole 53, put between the case 52 and the cover 54, and integrally and rotatably engaged with a support shaft 19 to be the rotation support of turning members 11, 12 for the toilet, viscous oil 56 filled in a space surrounded by the case 52, the cover 54 and the rotor 55, a valve 57 which controls movement of the viscous oil 56, and O-rings 59, 60 as well as two toilet dumper devices 17, 18 to be a cushioning means to relax rotation in the dropping direction of rotary members 11, 12 by regulating the motion of the rotor 55 and a toilet seat 11 and a toilet lid 12 as turning members for the toilet.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004225236-A (JP)
Title: Device for leno weave selvage-forming mechanism and for adjusting tension of yarn drawn from bobbin in bobbin holder
Inventor: SCHWEMMLEIN CHRISTOPH
IPC: B65H29/04
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for a leno weave selvage-forming mechanism and for adjusting yarn tension to equalize tension of a yarn drawn from a bobbin in a bobbin holder.  <P>SOLUTION: The device includes a brake drum receiving the bobbin holder, the brake drum has a braking device, which has a guide arm for a yarn of a bobbin, the braking device 4 comprises a rotatable brake lever 10 having a brake pad 14 attaching to the brake drum 1 and the brake lever 10 has the guide arm 20 having an eye hole 21 for a yarn 6 drawn from the bobbin 5.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005207061-A (JP)
Title: Protective plate for scaffolding
Inventor: TEZUKA TAKEHITO
IPC: E04G5/00
Filed: 2004-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a fall of a worker, a tool, or the like from the side of a temporary scaffolding and to eliminate a fall from a clearance of a scaffolding board.  <P>SOLUTION: This protective board 100 for the scaffolding has a laterally long rising wall plate 1 of rectangular shape; a laterally long footboard 8 turnably attached to the lower part of the laterally long rising wall plate 1 by a hinge 9; and U-shaped holding means 3 mounted to both longitudinal ends of the laterally long rising wall plate 1 through end fittings 2. The mutual clearance dimension of the U-shaped holding means 3 for holding column members 205 of standards 202 constructing the scaffolding 200, to attach the protective plate 100 for the scaffolding, to the scaffolding 200 is adjustable by changing the mounting positions of the end fittings 2 mounted to both ends of the laterally long rising wall plate 1 by bolts 6 and nuts 7. One U-shaped holding means 3 and the other U-shaped holding means 3 are provided at different height.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204853-A (JP)
Title: Thermotherapy apparatus
Inventor: NAGASAKA TOSHIO
IPC: A61F7/08
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermotherapy apparatus by which hard-to-sleep discomfort caused by heat, moisture, etc., in summer is remarkably relieved.  <P>SOLUTION: The apparatus consists of: a bedding main body 6 which has a plurality of air suction ports 5 at its upper surface, a ventilation 9 at its lower surface, and a three-dimensional lattice space material A3 and a buffer 1 inside; and an airflow channel A31 having a three-dimensional lattice space material B20a at the outer shell of a pillow material 18 and communicates with the three-dimensional lattice space material B20a; a pillow 17 having a hose 27 to be connected with the airflow channel A31; a blowing unit 11 having an air suction port 13 at a face where the bedding main body 6 is placed and has an exhaust port 12 on its side surface or lower surface; and a bed 10 which has a hose port 29b to which the hose 27 can be connected and has an airflow channel 26 making the hose port 29b communicate with the blowing unit 11.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005205785-A (JP)
Title: Inkjet type printing apparatus with function for avoiding influence of wind
Inventor: NAKANO TERUYUKI
IPC: B41J2/01
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To avoid as much as possible a situation where a turbulent flow of wind or air or the like flows into a gap between a print head main body and a print medium to generate a flying deflection or the like of droplets, and also to avoid as much as possible another situation where foreign substances stuck on the print head main body are scattered by the turbulent flow of the wind or air to stick and remain on the medium just after printing.  <P>SOLUTION: An inkjet type printing apparatus 1 is constituted so that when a table 3 on which the print medium such as a glass substrate is placed and the print head main body 2 held above it are relatively moved, a liquid for printing is discharged from a nozzle face 2a of the print head main body 2. In this inkjet type printing apparatus 1, a cover plate 4 extended in the relatively moving direction and projected from the print head main body 2 is mounted on the nozzle face 2a side of the print head main body 2, and a first wind direction changing part 5 having an inclined face 5a inclining toward the opposite side of the nozzle face 2a of the print head main body 2 with moving to the central part side in the relatively moving direction on one end or both ends in the relatively moving direction of a cover plate 4.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005207965-A (JP)
Title: Gas cut-off method, and gas cut-off device
Inventor: KAWASHIMA SADAMU
IPC: G01F3/22
Filed: 2004-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas cut-off method, and a gas cut-off device capable of reducing a frequency of incorrect determination of abnormal flow rate.  <P>SOLUTION: The gas cut-off device is provided with a flow rate monitoring part 1 monitoring a flow rate of gas flowing in a gas passage, a data operation part 2 calculating a momentary flow rate and a moving average flow rate on the basis of a detection output from the flow rate monitoring part, a data storing part 3 storing each data of the momentary flow rate and the moving average flow rate, a cut-off value storing part 4 storing a preset first cut-off value, and a second cut-off value preset larger than the first cut-off value, a data comparison part 5 comparing the moving average flow rate with the first cut-off value, generating an abnormal detection output when the moving average flow rate is larger than the first cut-off value, comparing the momentary flow rate with the second cut-off value, and generating an abnormal detection output when the momentary flow rate consecutively exceeds the second cut-off value a specific number of times which is a plurality of times, a control part 6 outputting a cut-off signal in response to the abnormal detection output from the data comparison part, and a cut-off part 7 controlled by the cut-off signal from the control part to cut off the gas passage.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005211996-A (JP)
Title: Bracket fastening structure for hydraulic breaker
Inventor: FUKUI NOBUYOSHI
IPC: F16F7/00
Filed: 2004-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bracket fastening structure for a hydraulic breaker, capable of easily and inexpensively maintaining vibration control and soundproof performance, by minimizing a replacing frequency of a cushioning material.  <P>SOLUTION: A bracket 32 fixes and supports a hydraulic breaker body 18 by a through-bolt 54. A bush 44 having an inserting hole 48 eccentric to a bolt hole 36 of the bracket 32, is rotatably inserted into the bolt hole 36. The axis CL<SB>4</SB>of the through-bolt 54 inserted into the inserting hole 48, is set in a position in close vicinity to the hydraulic breaker body 18. The cushioning material 38 is sandwiched between the hydraulic breaker body 18 and the bracket 32. The hydraulic breaker body 18 is fixed and supported by the bracket 32 via the cushioning material 38 by the through-bolt 54. The bush 44 is fixed by a stopper 60.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005217561-A (JP)
Title: Image processing apparatus
Inventor: MATSUMOTO MASAYUKI
IPC: H04N1/04
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image processing apparatus for reading image data on both surfaces of an original with two image reading sensors while transferring the original in one direction, which enables a user to individually set a set scale factor for the front and rear surfaces.  <P>SOLUTION: This image reading apparatus 1 is provided with: two image reading sensors 13, 14 disposed on front and rear surface sides of an original transfer path 17 respectively; an operating section 8 for individually accepting input of a set scale factor of the front and rear surfaces of the original; a RAM 11 for storing a set scale factor 23a of the front surface and a set scale factor 23b of the rear surface which are accepted; a control unit 2 for deciding a transfer speed of the original on the basis of the set scale factor of any one of the surfaces if the scale factors 23a, 23b are different from each other; and a variable power processing circuit 4 for performing both sides reading of the original at the decided transfer speed and also for performing variable power processing for the image data obtained by reading the other surface on the basis of both the set scale factors 23a, 23b.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005214041-A (JP)
Title: Control device for direct spark ignition type internal combustion engine
Inventor: TOMITA MASAYUKI
IPC: F02P5/15
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To improve combustion stability (flame propagation promotion) by intensifying disturbance in a cylinder due to fuel atomization during ATDC ignition for early activation of a catalyst and HC reduction.  <P>SOLUTION: When the warm-up of the catalyst is required, an ignition timing is set after a compression top dead center (TDC). Fuel injection is parted into two times, and the first time fuel injection is performed during a compression stroke and the second time fuel injection is performed after 45° BTDC (Embodiment 1). Or, the first time fuel injection is performed during the compression stroke and the second time fuel injection is performed across the TDC or during an expansion stroke before the ignition timing (Embodiments 2, 3). Or, both fuel injections are performed during a time from the last half of the compression stroke to the ignition timing (Embodiments 4, 5).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005215981-A (JP)
Title: Microcomputer
Inventor: MINEMURA HIROAKI
IPC: H04J3/06
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a microcomputer with a function to prevent peripheral equipment of a communication partner from being destroyed physically when abnormality occurs to an oscillator.  <P>SOLUTION: The microcomputer includes a clock monitor circuit for receiving a clock signal to monitor a state of the clock signal; a communication interface for operating in accordance with a register value of a control register to communicate externally; a core circuit for operating on the basis of the clock signal and controlling operation of the communication interface by setting the register value of the control register; and a register set circuit which sets the control register of the communication interface to a predetermined register value in response to the clock monitor circuit which has detected abnormality of the clock signal.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005212035-A (JP)
Title: Deburring tool for horizontal hole
Inventor: AKIZUKI MASAMITSU
IPC: B23D79/00
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a deburring tool for a horizontal hole which is easy to be handled, and facilitates deburring work at an inlet of a machined hole.  <P>SOLUTION: The deburring tool 10 for the horizontal hole carries out deburring of burrs generated at the inlet of the machined hole H, and is formed of a long operating shaft 11 and a rotation shaft 12. The operating shaft has a grip 11g attached thereto. The rotation shaft has the operating shaft 11 rotatably connected to one end 12a thereof, and a circular blade C having a taper surface T including a blade Cp fixed to the other end 12b thereof.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005215497-A (JP)
Title: Light diffusion plate and its manufacturing method
Inventor: HAYASHI MASAHIKO
IPC: G02B5/02
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light diffusion plate which is molded by injection using a mold having a pin-point gate, which has small luminance uneveness and can obtain a display screen of high image quality, and to provide a manufacturing method of the light diffusion plate.  <P>SOLUTION: In the light diffusion plate which is made by molding thermoplastic resin by injection, using a mold having a pin-point gate, the luminance uneveness within a regular square, having a side 5 mm which is centered at pin-point gate mark, is 2% or lower. In the manufacturing method of the light diffusing plate, which is made by molding thermoplastic resin by injection by using a mold, a mold such that the pin-point gate has a shape of right circular truncated cone that is expanded toward the gate top end or a shape having the surface inside the right circular truncated cone; the diameter of the gate top end is 1.1 to 2.1 mm; the diameter of the part from which the expansion starts is 0.25-0.8 times of the diameter of the gate top end; and the angle between a generatrix of the right circular truncated cone reaching the gate top end from the part, from which the expansion starts and the center axis of the gate is 30 to 60°, is used.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004258635-A (JP)
Title: Lens barrel
Inventor: NOMURA HIROSHI
IPC: G02B7/04
Filed: 2004-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To improve workability in the assembly/disassembly of a lens barrel equipped with a rotary ring.  <P>SOLUTION: The lens barrel is equipped with an outer annular member having a circumferential direction groove on its inner circumferential surface, whose rotation is regulated; a 1st rotary ring whose rotation guiding projection is slidably engaged with the circumferential direction groove; a 2nd rotary ring equipped with an optical axis direction motion regulating projection engaged with the circumferential direction groove simultaneously when the rotation guiding projection of the 1st rotary ring is engaged with the circumferential direction groove; coupling rings positioned inside the 1st and the 2nd rotary rings and coupled not to rotate relatively to the outer annular member but to rotate relatively to the 1st and the 2nd rotary rings; a projection inserted/pulled-out hole formed on the outer annular member so that the optical axis direction moving regulating projection of the 2nd rotary ring can be engaged with and disengaged from the circumferential direction groove in the optical axis direction; and a rotation allowable coupling part formed between the 2nd rotary ring and the coupling ring and engaged to slide in the rotating direction and engaged/disengaged in the optical axis direction. The optical axis direction motion regulating projection of the 2nd rotary ring and the rotation allowable coupling part can be engaged/disengaged in the optical axis direction at the same specified disassembling angle position in the rotating direction.  <P>COPYRIGHT: (C)2004,JPO&NCIPI