baber/WOPTO huggingface dataset:
Patent JP-2011501705-A (JP)
Title: 薄い壁面の容器の製造方式、同容器の圧力補強方式
IPC: B65D1/00
Filed: 2008-10-09
Abstract: 【課題】 本発明の目的は、薄い壁面の容器の製造方式であり、     【解決手段】約１５０ｇ／ｍ ２ ないし２５０ｇ／ｍ ２ である材料の重量／壁面の面積の比率を利用した予備成形物の形状の変更を特徴とする。 【選択図】なし
Patent JP-2011502010-A (JP)
Title: 放射線療法送達の運動適応最適化のためのシステム及び方法
IPC: A61B6/03
Filed: 2008-10-27
Abstract: 放射線療法治療の送達を最適化するシステムと方法。システムは、治療送達を、患者の解剖学的及び生理学的変化（例えば、呼吸及び他の動きなど）や機械構成の変化（例えば、ビーム出力係数、カウチ誤差、リーフ誤差など）の様な各種要因を考慮に入れて最適化する。 【選択図】  図５
Patent JP-2011504570-A (JP)
Title: 円錐形プーリ式巻掛け伝動装置のための組み込まれたトルクフィーラを有する円錐形プーリ対
IPC: F16H9/18
Filed: 2008-11-13
Abstract: 組み込まれたトルクフィーラを備えた円錐形プーリ対構成群において、トルクに基づく力が伝達構成部材を介してフィーラピストンに伝達され、フィーラピストンの位置がフィーラチャンバにおける圧力を規定する。伝達構成部材は可動プーリに結合されており、トルクに基づく力を、可動プーリの位置に基づいてフィーラピストンに伝達するように成形されている。
Patent JP-2011505055-A (JP)
Title: 紫外線遮断誘電体層を含むカソード組立体
IPC: H01J1/304
Filed: 2008-11-26
Abstract: ＵＶ遮蔽絶縁誘電体層を有する電界放出カソード組立体。
Patent JP-2011505196-A (JP)
Title: 多数の細いワイヤを含み且つ電解作用で分離する接合部を有する植込み器具
IPC: A61B17/12
Filed: 2008-11-21
Abstract: 本発明による組立体（100）は、血管閉塞コイル等の植込み器具（130）と、導電性プッシャ又はワイヤ等の導電性展開機構（120）と、導電性展開機構と血管閉塞コイルとの間に配置された電解作用で分離可能な接合部（110）とを有する。接合部（110）は、ステンレス鋼ワイヤ等の細いワイヤを含み、このワイヤの直径は、約０．０００２５４〜約０．０６３５ミリメートルであり、例えば、約０．０１２７ミリメートルである。プッシャ又はワイヤは、植込み器具をカテーテルの中を通して所望の箇所又は治療部位まで配送するのに用いられる。植込み器具を正しく位置決めした後、電流を細いワイヤに流し、それにより、細いワイヤをばらばらにして、血管閉塞コイルを治療部位に残す。
Patent JP-2011505644-A (JP)
Title: ビデオインターフォンおよびリモートの仮想ドアマンを介して、宅配用のロッカーに接続して操作するための方法および装置
IPC: G08B25/00
Filed: 2008-11-13
Abstract: ビルディングへのアクセスを提供し、および配達人が荷物、小包、注文された商品を配達できるようにロッカーを開けるために、インターフェースを介したビデオインターフォンシステム、および駐在のガードマンもしくはネットワーク上の仮想ガードマンを介して接続される、複合アパートまたは複合オフィスビルディング内の複数のロッカーを接続して操作するための方法および装置。自分たちのビデオインターフォンモニタを通じてメッセージを受け取る入居者たちは、自分たちのビデオインターフォンモニタから、入室パネルを通じて、および関連付けられている付属品を通じて特定のロッカーを開けることによって、配達物を取り出すことができる。
Patent JP-2011518264-A (JP)
Title: ラッチ機構
IPC: B60N2/08
Filed: 2008-06-10
Abstract: 車両座席１０の位置を調節するためにトラックアセンブリ１６に使用されるラッチ３０は、一体型の構造を有し、トラックアセンブリ１６の第１および第２のトラック部材１７および１９によって画定された空間２０内のＸ−Ｙ面において非直線状に作動する。ブロッカー部材４４はラッチ部材３１が第１および第２のトラック部材１７および１９から外れることを制限するものであって、最適化されたラッチおよびトラック係合構造と、ラッチ３０およびトラック部材１７の係合を最適化するための別体のブロッカー部材４４とを含み、ラッチ３０が外れるように移動可能である。部品を含むトラックアセンブリ１６はラッチ３０を作動するためのアクチュエータ３４を含み、アクチュエータ３４はトラックアセンブリ１６にアクチュエータ３４を枢着し且つ第１および第２のトラック部材１７および１９の１つにラッチ３０を接続するためのコネクタ３２を含む。
Patent JP-2011512634-A (JP)
IPC: H01B19/00
Filed: 2009-02-17
Abstract: A high-voltage insulator includes a metal armature, an insulating tube joined to the metal armature, which is adhesively bonded to the metal armature at an end formed as a supporting ring, and an axially symmetrical adhesive-bonding joint disposed around the axis of the insulating tube. An annular grove, which is formed in the metal armature, is disposed around the axis of the insulating tube and receives an end portion of the supporting ring. Sealing surfaces are respectively formed in the groove and in the supporting ring. The sealing surfaces are arranged and formed in such a way that, when the insulating tube and the metal armature are joined, they slide on one another, thereby forming a seal, and the supporting ring acting as a displacement body presses adhesive that has been introduced into the groove before the joining into the adhesive-bonding joint.
Patent JP-2011519187-A (JP)
Title: 空間周波数を考慮した分散資源ユニットのためのミニ資源設計及び伝送方法
IPC: H04J11/00
Filed: 2009-04-08
Abstract: 移動通信端末と基地局との間の無線通信方法及び装置であって、前記方法は、基地局と移動通信端末の間で物理資源ユニット（ＰＲＵ）を交換することを含む。ＰＲＵは、複数のＯＦＤＭＡシンボルを含む。各ＰＲＵのｌ番目のＯＦＤＭＡシンボルは、予め決定されたパイロット割り当て方式で割り当てられるｎ ｌ 個のパイロットを含み、ｌ番目のＯＦＤＭＡシンボルのうち残っているＬ ＤＲＵ ・（Ｐ ｓｃ −ｎ ｌ ）個のデータサブキャリアは、０からＬ ＤＲＵ （Ｐ ｓｃ −ｎ ｌ ）−１まで順次リナンバリングされ、論理的に連続しリナンバリングされた各サブキャリアは、Ｌ ＤＲＵ ・Ｌ ｐａｉｒ，ｌ 個のペアにグルーピングされ、０からＬ ＤＲＵ ・Ｌ ｐａｉｒ，ｌ −１までリナンバリングされ、論理的に連続したトーン―ペアは、各ペアに予め決定されたパーミュテーション公式が適用され、ｉ番目の分散ＬＲＵにマッピングされることなどを含む。 【選択図】図１４
Patent JP-2011513223-A (JP)
Title: テトラヒドロ−１ｈ−ピロロ縮合ピリドン
IPC: A61K31/519
Filed: 2009-02-11
Abstract: 本発明は、貧血および同様の状態を治療するためのＨＩＦプロリルヒドロキシラーゼ阻害剤として有用なテトラヒドロ−１Ｈ−ピロロ縮合ピリドン化合物に関する。
Patent JP-2011514002-A (JP)
Title: 制御装置
IPC: H05K7/20
Filed: 2009-02-25
Abstract: 本発明は、少なくとも１つの底部（１）、該底部に割り当てられた回路支持体（２）、ならびに制御装置（４）を封止する蓋部（３）を備えた制御装置（４）に関する。
Patent JP-2011518726-A (JP)
Title: 固定バンドクランプ装置
IPC: B25B25/00
Filed: 2009-03-12
Abstract: テンション装置は、分割可能なパンチング及びカッティング機構を有するように設けられている。バックル内に存在するバンドが張力をかけられている間、バックルを保持する衝撃ヘッドが設けられている。所定の張力に達した後、機構が、前記バンドをカットするために前記バックルに対して前記バンドをロックするのに使用される。また、本発明により、張力に関連する様々なデータ及びカッティング性能を出力することができる。
Patent JP-2012145431-A (JP)
Title: Current detector
Inventor: NAKAJIMA HIROKATSU
IPC: G01R15/20
Filed: 2011-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a current detector which has magnetic cores and magnetoelectric conversion elements and can output correct detection signals on which influence of magnetic noise is small even in an environment where the current detector is subjected to the magnetic noise.SOLUTION: A current detector 1 comprises multiple magnetic cores 10 and multiple Hall elements 20 supported by supports. The multiple magnetic cores 10 are supported in a state where hollow parts 12 thereof are overlapped at an interval along a center straight line 9 forming a current passage route, and where directions of respective gap parts 11 relative to the hollow parts 12 in the multiple magnetic cores 10 are different. And, the multiple Hall elements 20 are supported in a state of being located in the respective gap parts 11 of the multiple magnetic cores 10.
Patent JP-2012144166-A (JP)
Title: Assembling method of power train, and assembling auxiliary tool
Inventor: YOSHIKAWA YUSHI
IPC: B62D65/10
Filed: 2011-01-13
Abstract: PROBLEM TO BE SOLVED: To provide an assembling method of a power train and an assembling auxiliary tool that facilitate the assembling of a power train to a vehicle body.SOLUTION: The assembling method of a power train 6 has the following configuration. The power train 6 is arranged between side frames 4, 5. Lower brackets 11, 14 which are configured so that their upper surfaces are joined to lower surfaces of upper brackets 10, 13 mounted to upper parts of the side frames via rubber vibration insulators 9, 12 are mounted to the power train 6. The power train 6 is moved from the lower side to the upper side of a vehicle 1 in order to insert the bolts 15, 16 fixed to the lower brackets 11, 14 into through-holes of the upper brackets 10, 13 from the lower side of the vehicle 1. Guide rods 19, 20 extending in the vehicle vertical direction are mounted so as to be attachable to and detachable from the tips of the bolts 15, 16. The alignment of the bolts 15, 16 with the through holes is executed by the guide rods 19, 20.
Patent JP-2012143794-A (JP)
Title: Ironing apparatus
Inventor: SUZUKI MASARU
IPC: B21C47/34
Filed: 2011-01-13
Abstract: PROBLEM TO BE SOLVED: To provide an ironing apparatus capable of stably winding a metal foil even if the diameter of a coil enlarges by widening the adjustable range of a position of an ironing roll contacting the metal foil.SOLUTION: The ironing apparatus 10 pressing a metal foil 1 during winding to a winding roll 3 in winding the rolled metal foil 1 onto the roll 3 includes: an ironing roll 5 for pressing the metal foil 1 during winding to the roll 3; a swinging body 7, at one end side of which the ironing roll 5 is installed; a reciprocating body 9 to which the other end side of the swinging body 7 is swingably installed; a drive unit 11 for moving the reciprocating body 9 back and forth with respect to the roll 3; and a pressing unit 13 generating the force for pressing the foil 1 to the roll 3. The pressing unit 13 makes the force act on the swinging body 7 so that the body 7 swings to the winding roll side and thereby, the metal foil 1 is pressed to the winding roll 3 via the ironing roll 5 installed to the swinging body 7.
Patent JP-2012147641-A (JP)
Title: Power supply device
Inventor: SAKAMOTO SHINICHI
IPC: H02M3/155
Filed: 2011-01-14
Abstract: PROBLEM TO BE SOLVED: To reduce ripples.SOLUTION: A main link voltage generation section 6m generates a first DC link voltage Vcorresponding to a voltage Vb supplied to a secondary battery 1. A sub link voltage generation section 6s generates a second DC link voltage Vcorresponding to the voltage Vb supplied to the secondary battery 1. A main DC/DC converter 8m receives the first DC link voltage Vand steps it up or down for supply to the secondary battery 1, and a sub DC/DC converter 8s receives the second DC link voltage Vand steps it up or down for supply to the secondary battery 1. Current ripples of the sub DC/DC converter 8s cancel current ripples of the main DC/DC converter 8m.
Patent JP-2012107608-A (JP)
Title: Method for estimating amount of nitrogen oxide, and exhaust system using the same
Inventor: LEE JIN HA
IPC: F01N3/36
Filed: 2011-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a method for estimating the amount of nitrogen oxides and an exhaust system using the same.SOLUTION: The method for estimating the amount of nitrogen oxides comprises: a step S280 of calculating a reference amount of nitrogen oxides based on the operating conditions of an engine, a step S280 of primarily correcting the reference amount of nitrogen oxides based on the EGR (exhaust gas recirculation) ratio, and a step S290 of secondarily correcting the primarily corrected amount of nitrogen oxides based on environmental factors. The exhaust system has an exhaust pipe for circulating exhaust gas generated in the engine having an injector which injects a fuel into a combustion chamber, an injection module which is equipped in the exhaust pipe and injects a reducing agent, a catalyst for reducing nitrogen oxides which is equipped in the exhaust pipe downstream of the injection module and reduces nitrogen oxides contained in the exhaust gas by using the reducing agent injected from the injection module, and a control part which estimates the amount of nitrogen oxides contained in the exhaust gas and controls the amount of the reducing agent to be supplied or the combustion atmosphere based on the amount of the nitrogen oxides.
Patent JP-2012153193-A (JP)
Title: Pneumatic tire
Inventor: OGAWA YUKIHIRO
IPC: B60C9/18
Filed: 2011-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a pneumatic tire that can improve a belt durability of a first belt.SOLUTION: In a pneumatic tire 1, which has an aspect ratio of 65 [%] or below, keeps a belt layer 7, including at least three layers of steel code belts laminated in orders of: a first belt 71, a second belt 72, and a third belt 73 on an outer side in a tire diameter direction of a carcass layer 6 of a tread part 2 from the carcass layer 6, arranged on the outer side in a tire diameter direction, and has a code angle of 50[°] or above and 80[°] or below with respect to a tire circumferential direction of the innermost first belt 71 in the tire diameter direction, a code diameter of the first belt 71 is larger than the maximum code diameters of the second belt 72 and the third belt 73, and a product of a code cross-sectional area and a number of code rammings per a width of 50[mm] has a relation of 0.5≤(first belt)/(second belt+third belt)≤0.65.
Patent JP-2012155041-A (JP)
Title: Image forming apparatus and transferring device
Inventor: OGIWARA ATSUSHI
IPC: G03G15/16
Filed: 2011-01-25
Abstract: PROBLEM TO BE SOLVED: To suppress degradation of image quality even when a part of an outer peripheral face is lacking in transferring means for transferring an image having been formed on an image carrier onto a recording medium.SOLUTION: An image forming apparatus of the invention comprises: a photosensitive drum; an exposing device for forming an image on the photosensitive drum; and a transfer drum 21 for transferring the image having been formed on the photosensitive drum by the exposing device onto a sheet. The transfer drum 21 includes: a base part 21A rotatably provided; an elastic layer 21B provided on an outer circumferential face of the base part 21A, having an exposed portion 21C corresponding to a partial lack of an outer circumferential face thereof, and brought into contact with the photosensitive drum under pressure; and a pressing part 61 provided to be rotated with the base part 21A and pressing the photosensitive drum when the exposed portion 21C opposes the photosensitive drum during the rotation of the base part 21A.
Patent JP-2012155238-A (JP)
Title: Optical modulator
Inventor: SHIBATA YASUO
IPC: H04B10/516
Filed: 2011-01-28
Abstract: PROBLEM TO BE SOLVED: To provide an optical modulator with simple constitution, at low cost, easy to control, and with low loss.SOLUTION: An optical modulator for converting an input electric signal to a multiple value signal includes: a light branch circuit 102 for branching an incident signal light beam; phase modulators 104a, 104b for modulating phases of propagation light beams according to an electric signal; and a light merge circuit 106 for merging output from the phase modulators 104a, 104b. It is set that at least one of the light branch circuit 102 and the light merge circuit 106 has aspherical branch ratio or merge ratio, and intensities of signal light beams guided to the output side from the phase modulators 104a, 104b through the light merge circuit 106 are different to each other.
Patent JP-2012157973-A (JP)
Title: Molding method
Inventor: NISHIDA MASATOSHI
IPC: B29C45/26
Filed: 2011-01-28
Abstract: PROBLEM TO BE SOLVED: To easily and appropriately mold a synthetic resin molding part in the entire circumference of a glass plate in a form minimized in the deformation and damage of the glass plate.SOLUTION: By using a die 3 including a pair of female and male main dies 30, 31, and an auxiliary die 32 movably combined with either of the pair of main dies 30, 31 in the same direction as a die division direction x of the pair of main dies 30, 31 for partitioning a main die inner space S into an inner space Sa and an outer space Sb surrounding it by a part 32a positioned in the main die inner space S at an advance position, the glass plate 1 is set in the inner space Sa, thereafter a synthetic resin of a primary part 20 constituting the molding part 2 is filled in the outer space Sb, then the auxiliary die 32 is contracted to form a void Sc between the glass plate 1 and the primary part 20; and a synthetic resin of a secondary part 21 constituting the molding part 2 is filled in the void Sc.
Patent JP-2012157877-A (JP)
Title: Method for manufacturing coating rod
Inventor: OI YUKI
IPC: B21H1/00
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a coating rod capable of minimizing variation in the area of grooves.SOLUTION: The method includes: a first step of preparing a rod material 20; and a second step of forming a groove on the outer surface of the rod material 20 by, while supporting the rod material 20 on a horizontal support base 140 provided with a hard metal base 140A and a soft resin layer 140B on the top of the base 140A, pressing the rod material 20 with a first dice 120 and a second dice 130 having a plurality of protrusions and delivering the rod material 20 in the axial direction. In the second step, when a difference between the distance L between the first dice 120 and the second dice 130 and the diameter R of the rod material 20 is defined as X (mm) and an angle of a line linking the axial center of any of the first dice 120 and the second dice 130 and the center of the rod material 20 with respect to the horizontal direction is defined as y (deg.), the position of the rod material 20 is restricted by adjusting x and y.
Patent JP-2012158240-A (JP)
Title: Front pillar reinforcement structure for automobile
Inventor: OGAWA KOJI
IPC: B62D25/04
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To improve the rigidity of a front pillar around an axis along the longitudinal direction of a vehicle while improving the rigidity of the front pillar around an axis along the vertical direction of the vehicle.SOLUTION: The front pillar reinforcement structure 10 includes: a front pillar reinforcement 18 provided within a front pillar 12, and forming a closed cross-section in cooperation with a front pillar inner panel 16; a front side reinforcement member 20 provided within the front pillar 12 and closer to the front side of a vehicle than the front pillar reinforcement 18; a rear side reinforcement member 30 provided within the front pillar 12 and inside the front pillar reinforcement 18 in the vehicle width direction; and a bead 32 formed along the vehicle vertical direction at a part of the front pillar inner panel 16 facing the front side reinforcement member 20 in the vehicle width direction, and protruding inward in the vehicle width direction. A lower flange 24 facing in the downward direction of the vehicle is formed at an open side end in a lower wall 22 of the front side reinforcement member 20.
Patent JP-2012160344-A (JP)
Title: Tank of electrolyte circulation battery, and electrolyte circulation battery
Inventor: KUMAMOTO TAKAHIRO
IPC: H01M8/18
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an electrolyte circulation battery in which deterioration of electrolyte can be suppressed.SOLUTION: A tank 1A for positive electrode electrolyte is used for storing the electrolyte 20 for positive electrode being supplied to a positive electrode cell 102. At least the sidewall 10s of the tank 1A for positive electrode electrolyte has a double structure of an inner sidewall 11 in contact with the electrolyte 20 for positive electrode, and an outer sidewall 12 surrounding the inner sidewall 11 so as to form a clearance 13 between the inner sidewall 11. In the clearance 13, liquid 30 is stored up to a height above the level of the electrolyte 20 for positive electrode in the tank 1A for positive electrode electrolyte.
Patent JP-2012159048-A (JP)
Title: Combustion diagnosis device of internal combustion engine, and internal combustion engine control device
Inventor: YUNOKI AKIHIRO
IPC: F02D43/00
Filed: 2011-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a combustion diagnosis device of an internal combustion engine that can determine a great change of a combustion state which is accidentally caused, and to provide an internal combustion engine control device that can perform a fine control according to a combustion state.SOLUTION: A gas engine 1 includes: a knock sensor (cylinder pressure sensor 26) for detecting a physical quantity correlated with a knock strength of each cylinder 2; a power spectrum calculation unit 32 for performing a frequency analysis to the detection signal of the knock sensor and for calculating a power spectrum (102, 104) of each cylinder 2 related with the physical quantity; a POA calculation unit 34 for calculating a partial overall value of the power spectrum (102, 104) in a given frequency band containing a knocking frequency; and a controller 40 for controlling each part of the gas engine 1, based on at least the partial overall value.
Patent JP-2012159165-A (JP)
Title: Constant velocity joint
Inventor: BONO YASUHARU
IPC: F16D3/205
Filed: 2011-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a constant velocity joint, reducing resistance during the movement of a roller member even when an inner member is inclined, and also exhibiting superior durability.SOLUTION: First and second bearings 34 and 38 are mounted to trunnions 28a-28c of an inner member 16 constituting this constant velocity joint 10 so as to hold roller members 36 slidably engaged with track grooves 22a-22c of an outer member 12 therebetween. Protrusions 72, 74, 76, 78 narrowing cross sections of the track grooves 22a-22c are formed on the outer member 12. When the inner member 16 or the trunnions 28a-28c are inclined, a lower cover 46a of the first bearing 34 abuts against the protrusions 72, 74 or an upper cover 48a of the second bearing 38 abuts against the protrusions 76, 78.
Patent JP-2012160677-A (JP)
Title: Method for manufacturing organic solar cell, and organic solar cell
Inventor: TAMAKI ATSUSHI
IPC: H01L51/42
Filed: 2011-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing an organic solar cell, by which an organic solar cell with good performance can be manufactured without accurately controlling a processing depth of an electrode layer on an organic photoelectric conversion layer.SOLUTION: In manufacturing an organic solar cell, a first insulator part 32 is provided under an end of an organic photoelectric conversion layer 13 of each organic solar cell element, and that portion of a second electrode layer 22 formed on the organic photoelectric conversion layer 13 which is above the first insulator part 32 is cut with a laser or the like to divide the second electrode layer 22 into a plurality of second electrodes.
Patent JP-2011136571-A (JP)
Title: Image forming apparatus and image forming method
Inventor: TSUJI HIROYUKI
IPC: B41J5/30
Filed: 2011-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which shortens the distance between papers to be carried in a 4D printer.  <P>SOLUTION: In a color printer having plural photosensitive drums for respective recording color components, when images are continuously formed on recording sheets, the lengths of image data of one page in its main-scan direction and in its sub-scan direction are held for plural pages, and are controlled for each page on the basis of the length data in its main-scan direction and the length data in its sub-scan direction, which hold the writing address of the image data in a delay memory for delaying the image data according to an inter-drum distance and also the reading address of the image data from the delay memory, whereby the interval between the successively transported recording sheets is shortened.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012163454-A (JP)
Title: Current detecting mechanism and driver
Inventor: SENBA HIROYOSHI
IPC: G01R15/20
Filed: 2011-02-07
Abstract: PROBLEM TO BE SOLVED: To enable electric current flowing in a bus bar to be more appropriately detected.SOLUTION: A Hall element 54 as a magnetism detecting element is arranged in a gap part 58 of a magnetic core 56 so arranged as to surround a bus bar 60, and a concave 62 caving in from the surface is formed in the bus bar 60 in a position opposing the Hall element 54; this arrangement enables the calorific value to which the Hall element 54 is subjected by the heating of the bus bar 60 to be restrained and thereby suppressing the temperature rise of the Hall element 54; as a result, magnetism detection by the Hall element 54 can be accomplished more appropriately; thus, current flowing in the bus bar 60 can be detected more appropriately.
Patent JP-2012163179-A (JP)
Title: Speed reduction mechanism and electric power steering device
Inventor: MAEDA DAISUKE
IPC: B62D5/04
Filed: 2011-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a speed reduction mechanism which is small, inexpensive and excellent in durability.SOLUTION: A reduction gear 31 is used for meshing with a worm and formed by forging. The tooth surface 34 of each tooth part 32 of the reduction gear 31 has a worm wheel tooth shape part 35 and a concave part 36 which is recessed from the worm wheel tooth shape part 35 to avoid engagement with the worm 20. The concave part 36 [Fig.4(a)] is provided in an area E1 where an angle B, formed by the contact line CL of the worm wheel tooth shape and worm 20, and the sliding direction S1 of the worm 20, is less than or equal to a threshold value B1 when no concave part 36 is formed [Fig.4(b)].