baber/WOPTO huggingface dataset:
Patent JP-2008516074-A (JP)
Title: 染色ミクロスフェアと染色ミクロスフェアの集団を形成するための方法
IPC: C09B69/10
Filed: 2005-10-11
Abstract: 染色ミクロスフェアを形成するための種々の方法が提供される。１つの方法は、ミクロスフェアの存在下で熱又は光を用いて色素に連結される化学構造を活性化し、反応中間体を形成する段階を含む。反応中間体は、ミクロスフェアのポリマーに共有結合的に付着し、これによって色素をポリマーに連結して染色ミクロスフェアを形成する。分子に連結された染色ミクロスフェアを形成するための付加的な方法が提供される。これらの方法は、染色ミクロスフェアの外側表面上に分子を合成する段階に加え、上記のようなミクロスフェアを染色する段階を含む。また、染色ミクロスフェアの集団も提供される。集団の染色ミクロスフェアの各々は、化学構造により染色ミクロスフェアの各々のポリマーに付着された色素を含む。色素の属性である染色ミクロスフェアの集団の色素特性の変動係数は、約１０％未満である。
Patent JP-2008521937-A (JP)
Title: α−シヌクレイン毒性のモジュレーター
IPC: A61K48/00
Filed: 2005-12-01
Abstract: ERからゴルジへの輸送の段階に機能する遺伝子の発現を調節するための組成物および方法が開示される。これらの遺伝子の発現またはコードされたタンパク質の活性を調節する化合物は、α-シヌクレイン媒介性毒性を阻害するために用いられ、かつパーキンソン病のようなシヌクレイノパチーを処置または予防するために用いることができる。α-シヌクレイン媒介性毒性の阻害剤を同定する方法もまた開示される。
Patent JP-2008524341-A (JP)
Title: 放射線記憶蛍光体及びその応用
IPC: G01T1/20
Filed: 2005-12-16
Abstract: 本発明は、3価+3の酸化状態になった少なくとも1種類の希土類元素を含み、かつ、X線、γ線又はUV光を照射したときに3価+3の酸化状態が還元されて2価+2の酸化状態になる光励起可能な記憶蛍光体に関する。本発明は、本発明の蛍光体を含む線量計や放射線画像記憶パネルのほか、科学分野、医学分野、それ以外の分野でのイメージングの用途での線量測定にも関する。本発明は、光励起可能な記憶蛍光体の製造方法と、画像を記録及び再生する方法にも関する。
Patent JP-2008523910-A (JP)
Title: 操作可能なガイドカテーテル及びその使用方法
IPC: A61M25/00
Filed: 2005-12-14
Abstract: どちらかと言えばアクセスの困難な脈管のエリアに容易かつ非外傷性にアクセスする方法であって、種々の経皮的なアクセスルートのための、最適な操縦性、トルク伝達、及び押込可能性を提供すべく選択された構成要素で形成された操作可能なガイドカテーテルを使用する方法。ガイドカテーテルの偏向セグメントでの壁厚は約１フレンチ（１／３ｍｍ）以下であり、溝付き偏向チューブを含み、この構造により、非常に小さな回転半径が得られ、どちらかと言えばアクセス不可能な脈管の領域へとアクセスすることが可能となる。
Patent JP-2008524744-A (JP)
Title: オンデマンド電力管理の方法及び機器
IPC: G06F1/32
Filed: 2005-12-05
Abstract: 【課題】電力管理、特に、アプリケーション処理要求に応答した電圧及び周波数の管理の技術を提供する。 【解決手段】オンデマンド電力管理の方法は、第１の組の電圧及び周波数で作動する処理システム内の処理要求をモニタし、処理要求に応答して第２の組の電圧及び周波数を発生させる。本方法は、処理システムを停止することなく第１の組の電圧及び周波数から第２の組の電圧及び周波数に切り換える。 【選択図】図２Ａ
Patent JP-2008525587-A (JP)
Title: 硫黄含有炭化水素ストリームから硫黄を除去する方法
IPC: C10G53/12
Filed: 2005-12-13
Abstract: １００ｗｐｐｍまでの硫黄を含有する炭化水素ストリームから硫黄を除去するための、１種以上のアルカリ金属、好ましくはナトリウムの使用。炭化水素ストリームは反応器内に導入され、そこで１種以上のアルカリ金属と接触される。その後、処理された炭化水素ストリームは水洗浄され、それによって、水性相画分および炭化水素相画分が生じる。炭化水素相画分から分離された水性相画分は、水溶性のナトリウム部分を含有する。 【選択図】図１
Patent JP-2008530528-A (JP)
Title: ５−フルオロ−ウラシル免疫測定法
IPC: G01N33/543
Filed: 2006-02-02
Abstract: 【課題】   テガフールと実質的に交差反応しない抗体を提供することによって、５−ＦＵで治療されている患者の治療管理用の５−ＦＵのレベルを正確にモニターすることができる５−ＦＵ免疫測定法を提供すること。 【解決手段】   一般式   【化７８】       （式中、Ｙは有機スぺーシング基、Ｘはポリアミンポリマーに結合可能な末端官能基、ｐは０〜１の整数）   の化合物を有する免疫原のポリアミンポリマーの共役である免疫原の使用により、５−ＦＵに特異で、ウラシル、シトシンといった他のピリミジン塩基と同様に、テガフールと実質的に反応しない、又は結合しない抗体を生産することが見出された。 【選択図】  なし
Patent JP-2008531315-A (JP)
Title: 動力付きパイプカッタ及び処理工具
IPC: B23D21/00
Filed: 2005-03-04
Abstract: パイプ等を切断・処理するための動力付き工具で、動力源、及び端部に切断するパイプを受け入れるための開口部を有する。切断作業中はパイプ周辺をカッタとローラが回転する。工具筐体にはカッタ、ローラ、異なる回転速度の二つのギヤトレーンが収容される。ギヤトレーンは回転駆動用とパイプ切断用である。回転駆動用は逆回転でカッタとローラを待機位置に戻し、次の切断作業に備える。動力取出装置を二つ備え、パイプの処理を行う。 【選択図】      図１
Patent JP-2008147684-A (JP)
Title: Method of manufacturing surface emitting type semiconductor laser element, surface emitting type semiconductor laser element produced using same, optical transmitting module using same element, optical transceiver module, and optical communication system
Inventor: SATO SHUNICHI
IPC: H01L21/203
Filed: 2008-01-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a high-quality and practical-level GaInNAs surface emitting type semiconductor laser element.  <P>SOLUTION: A surface emitting type semiconductor laser element has an active area including at least one active layer (23) emitting a laser beam and resonator structure including reflection mirrors (21, 25) provided on and under the active layer for obtaining the laser beam on a semiconductor substrate (20). The active layer (23) contains Ga, In, N, and As as main components. At least lower reflection mirror of the mirrors includes a semiconductor distribution Bragg reflection mirror whose refractive index periodically varies and which reflects an incident light by light wave interference. The active layer (23) is grown in an MOCVD growth chamber. At least lower reflection mirror (21) of the reflection mirrors (21, 25) is grown either in another MOCVD growth chamber or in an MBE growth chamber.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009163009-A (JP)
Title: Learning support system, program and learning support method
Inventor: IWAYAMA NAOMI
IPC: G09B7/04
Filed: 2008-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To raise determination accuracy of input handwritten character strings in learning support.  <P>SOLUTION: A learning support system 200 includes a character segmentation area candidate creating means 244 segmenting handwriting information that is read out into a plurality of area candidates, in character units; an individual character recognizing means 246 creating a plurality of candidate characters by individually performing character recognition, with respect to handwriting information in each area candidate of the plurality of area candidates, based on the information of a character recognition dictionary, in a character recognition dictionary storage area; a maximum likelihood character string determining means 248 determining a maximum likelihood character string, by collating a plurality of candidate characters with respect to each area candidate of possible combinations in a plurality of area candidates with characters, in a correct character string in a correct character string storage area; and a wrong character position extracting means 250 extracting the position of an wrong character, by collating the maximum likelihood character string with the correct character string and storing the position, in a wrong information storage area.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009162311-A (JP)
Title: Divided structure of bearing member
Inventor: NAITO SHINICHI
IPC: F16H57/021
Filed: 2008-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a divided structure of a bearing member capable of minimizing the assembling space of power transmission mechanism, while planning miniaturization of the whole device by shortening the distance between a plurality of shafts.  <P>SOLUTION: The divided structure 20 of the cage 22 is the structure in which the cage 22 fitted to one part of the case part 11 with the transmission 10 including shafts 13, 14 and a gear 13a and the like is broken up and includes a first part 22c which includes a cylindrical part 22ca which becomes concave so as to be proximal disposition against the gear 13a and a second part 22b which is fixed divisibly in the shaft direction against the first part 22c.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009171664-A (JP)
Title: Linear motor and component transfer apparatus
Inventor: HANAMURA NAOKI
IPC: H02K41/03
Filed: 2008-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To stably highly accurately drive a movable section by reducing a cogging force in a so-called movable magnet type linear motor and a component transfer apparatus using the linear motor.  <P>SOLUTION: While a movable base 4 moves in a moving direction Z, both sub-teeth 9a, 9b oppose a permanent magnet column, and above-described two kinds of magnetic fluxes are generated in the vicinity of each of the sub-teeth 9a, 9b, and the effect of reduction of a cogging force by the sub-teeth 9a, 9b is continuously obtained. A magnetic plate 11 is provided, so that a magnetic circuit to the sub-teeth 9a through the sub-teeth 9a, a permanent magnet 6, a yoke 5 and the magnetic plate 11 is formed, and thus, the cogging force is reduced efficiently and further stably. As a result, the movable base 4 is highly accurately driven in a moving direction Z.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009168286-A (JP)
Title: Air conditioner mount
Inventor: MURAKAMI HARUHIKO
IPC: F24F5/00
Filed: 2008-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an air conditioner mount capable of improving strength of a mounting portion of a corner bracket, improving assembling work efficiency and reducing costs.  <P>SOLUTION: This air conditioner mount includes a support 10, a corner bracket 20 mounted on the support 10, and a horizontal frame 40 and a vertical frame 50 mounted on the corner bracket 20. The corner bracket 20 includes a base portion fixed to the support 10, and a supporting portion for mounting the horizontal frame. The supporting portion 31 is formed into the loop shape in a plane view, by a pair of opposed walls 32 projecting from the base portion of the corner bracket 20 and a connecting wall 33 connecting tip portions of the opposed walls 32, a dimension between outer faces is roughly same as a width dimension inside of the cylindrical portion 41 of the horizontal frame 40, and further its height dimension is roughly same as a height dimension inside of the cylindrical portion 41 of the horizontal frame 40.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009165933-A (JP)
Title: Adsorbent, heat insulating material employing the same
Inventor: AKEYAMA YUKAKO
IPC: F16L59/06
Filed: 2008-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an adsorbent having a high adsorption capacity with respect to oxygen and employing, as its primary component, an organic material highly compatible with the environment and yet capable of suppressing heat generation in the oxidation process of the primary component, and a heat insulating material of an excellent heat insulating property.  <P>SOLUTION: The heat insulating material 1 is constituted of a core member 2, an outer cover 3, an adsorbent 4, and a moisture-adsorbent 5. The adsorbent 4 is a mixture of a carbon precursor 6 derived from cellulose, and inorganic powder 7. The heat insulating material 1 keeps the core member 2 disposed inside the outer cover 3. The adsorbent 4 and the moisture-adsorbent 5 are disposed in the core member 2. The inside of the outer cover 3 is decompressed and sealed. The carbon precursor 6 derived from cellulose has a high oxygen-adsorption capacity. The adsorbent 4 suppresses heat generation in the oxidation process of the primary component by virtue of the inorganic powder 7 mixed therein.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009168573-A (JP)
Title: Apparatus and method for determining hydroplaning state
Inventor: SUZUKI SATOSHI
IPC: B60W40/12
Filed: 2008-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus and method for determining a hydroplaning state for accurately determining whether a tire is in a hydroplaning state.  <P>SOLUTION: This apparatus comprises a tire having a groove formed in the circumferential direction, a ground pressure distribution detecting means 31 for detecting ground pressure distribution in the width direction of the tire in relation to the ground pressure acting on the ground surface of the tire, and a reference line preparing means 32 for approximating the ground pressure distribution detected by the ground pressure distribution detecting means 31 with a secondary curve and preparing a reference line, and a hydroplaning state determining means 33 for determining whether it is in the hydroplaning state based on the absolute value of difference between the value at a predetermined position of the ground pressure distribution detected by the ground pressure distribution detecting means 31 and the value at a predetermined position of the reference line prepared by the reference line preparing means 32.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009167910-A (JP)
Title: Exhaust passage structure
Inventor: MURATA TOSHIRO
IPC: B01J29/06
Filed: 2008-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an exhaust passage structure capable of promoting atomization to an exhaust emission control device by efficiently dispersing urea water injected from an additive injection device in exhaust gas by a simple constitution.  <P>SOLUTION: This exhaust passage structure is provided by arranging an injection nozzle 3 for injecting the urea water on the upstream side of the exhaust emission control device 2. A joint mechanism 5 for relatively displacing its exhaust emission control device 2 and the additive injection device 3 by vibration in vehicle operation is arranged between the exhaust emission control device 2 and the additive injection device 3. This joint mechanism 5 is arranged in the vicinity of a substantially intermediate part in the longitudinal direction of a branch pipe 11.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009168181-A (JP)
Title: Clutch for starter
Inventor: USAMI SHINJI
IPC: F16D41/06
Filed: 2008-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technique restraining foreign matters from getting inside of a clutch even under an extremely severe use conditions.  <P>SOLUTION: This clutch 2 includes: a flat washer 24 arranged to abut on the end surface of a clutch outer 20 on the side of an axial pinion gear; a halved washer 25 arranged adjacently to the portion of the flat washer 24 on the side of the axial pinion gear; and a shielding member 26 fitted around the outer periphery of a pinion neck portion 6, arranged adjacently to the portion of the halved washer 25 on the side of the axial pinion gear, and preventing foreign matters such as grit, dust or water from getting inside of the clutch 2. The flat washer, halved washer, and shielding member are fixed by a clutch cover 27. For example, the shielding member 26 is formed into a ring shape by paper material impregnated with oil, and has a gap formed in one portion in a peripheral direction, for facilitating assembling to the pinion neck portion 6. The shielding member 26 has a clearance generated between the inside diameter of a round hole opened in a center and the outside diameter of the pinion neck portion 6 and set at 1 mm or less.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009175181-A (JP)
Title: Portable electronic apparatus
Inventor: KUBOTA KOSUKE
IPC: G09G3/34
Filed: 2008-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To meet the demand for higher image quality without increasing cost by raising color of an image displayed on an LCD in accordance with chromaticity of light emitted from an LED.  <P>SOLUTION: An LED lighting an LCD 107 from its rear side is mounted in a planar light-emitting device 102, and electric wiring having circuit configurations different by ranks of chromaticity of the mounted LED is formed in the planar light-emitting device 102. An input/output part 103 supplies a high level signal to the planar light-emitting device 102, and a signal different in level due to difference of circuit configurations of the planar light-emitting device 102 is inputted from the planar light-emitting device 102. A control part 104 discriminates a rank of chromaticity of the LED by a detection result of the level of the signal outputted from the planar light-emitting device 102. A color correction part 106 corrects the color of an image displayed on the LCD.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008180716-A (JP)
Title: Probe, and probe card therewith
Inventor: JEON BYUNG-HEE
IPC: G01R1/067
Filed: 2008-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a probe and a probe card allowing easy assembling, capable of saving production cost, capable of enhancing remarkably productivity, capable of enhancing reliability by accurate connection of the probe with a specimen and a printed circuit board, capable of maintaining a stable connection state between the printed circuit board and an electrode pad in the probe, capable of separating the probe and a support from the printed circuit board, and capable of saving maintenance and repairing expenses.  <P>SOLUTION: The present invention relates to the probe and the probe card for testing an electric characteristic of the specimen, and the probe card is constituted of the printed circuit board, the insulating support, and the plurality of probes. A plurality of insertion slots is formed on a side face forming a pair with an under face of the support attached onto an under face of the printed circuit board. Each of the probes includes the first arm part, and the second arm part extended from one end of the first arm, and is coupled to the insertion slot. A connection terminal part is provided in the other end of the first arm part, and a contact terminal part is provided in a terminal end of the second arm part.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009121008-A (JP)
Title: Jeans
Inventor: LEE SUNG WOO
IPC: A41D27/18
Filed: 2008-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pair of jeans having a dart part.  <P>SOLUTION: This pair of jeans is composed of a front body and a back body which provide a space allowing to take a lower body of a wearer in by mutual connection, a connection body which is connected to the upper end of the back body, and a belt part which is sewn on the upper end of the front body and the connection body and wraps the waist of a wearer. The back body is set with at least one dart part which supplies volume feeling to a wearer's hipline appearing on the outside of the back body, and makes an area which covers the hip of the back body through folding part of the area have a curved surface corresponding to the hipline of a wearer. As a result of this, unlike a conventional plane back body, the back body itself has three-dimensional effect by applying the dart part to an area contacting the hip of the back body, so a hip contour line of a wearer attractively and sexily appears to the outside, and a figure can be appealed in a stylish and well-balanced manner.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008186456-A (JP)
Title: Methodology for 3d scene reconstruction from 2d image sequences
Inventor: SPOONER DAVID A
IPC: G06T13/00
Filed: 2008-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide technique for reconstructing a 3D scene from 2D images with less computational complexity and highly accurate.  <P>SOLUTION: The present invention is directed to a system and method for interactive and iterative reconstruction in a manner that helps fo reduce computational requirements by generating a model from a subset of available data, and then refining that model using additional data. Example embodiments directed to scene reconstruction, reconstruct a 3D scene from a plurality of 2D images of that scene by first generating a model of the 3D scene from a subset of the 2D images. The model can then be refined using specific characteristics of each image in the subset and the characteristics are calculated using the other images in the subset. The model is further refined using images not in the original subset.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008186018-A (JP)
Title: Liquid crystal display device and driving method thereof
Inventor: TUNG CHIEN-FAN
IPC: G02F1/133
Filed: 2008-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal display device and a driving method of the device capable of effectively improving such a phenomenon that images of previous frames remain.  <P>SOLUTION: The liquid crystal display device includes a data driver, a common voltage generating circuit, a plurality of data lines, a plurality of pixel electrodes and a common electrode. The data driver supplies a data voltage to the plurality of pixel electrodes through the plurality of data lines. The common voltage generating circuit supplies a common voltage to the common electrode, wherein in one frame, the common voltage is formed as superposition of a main common voltage with alternating polarities and an auxiliary voltage with periodic changes, and an absolute value of the common voltage changes slightly from each frame to the next adjacent frame.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008185033-A (JP)
Title: Gas turbine engine incorporating starter mounted on gear box
Inventor: AVILA CHLOE
IPC: F02N7/08
Filed: 2008-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a propelling assembly more durable to oil leakage over an entire starter.  <P>SOLUTION: The present invention refers to a gas turbine engine which comprises a gear housing AGB 12 mechanically connected with an engine shaft for driving auxiliary machines and the air starter 10, 10' mounted on the housing, wherein the starter and housing enclosures are in communication such that lubrication oil of the starter is distributed from the AGB housing. The engine is characterized in that an oil enclosure of the starter 10, 10' is pressurized by an air source independently from the AGB housing. Advantageously, the compressed air is taken from a compression enclosure of an engine bearing.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009179565-A (JP)
Title: Benzyl cyanide-based compound, photoacid generator and method for producing the same
Inventor: SUZUKI HIDEO
IPC: C07C307/02
Filed: 2008-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new compound producing a resist achieving high sensitivity and high transparency in the case of using it as a photoacid generator in a resist composition.  <P>SOLUTION: This aryl-substituted benzyl cyanide-based oximesulfonate compound is expressed by formula [1] [wherein, R<SP>1</SP>is a substituted or a non-substituted aryl; R<SP>2</SP>is H, a halogen atom, CN, NO<SB>2</SB>, a 1-10C alkyl or alkoxy, or a 1-5C haloalkyl or haloalkoxy; R<SP>3</SP>is a 1-10C alkyl or alkoxy, a 1-5C haloalkyl or haloalkoxy, or phenyl, naphthyl or anthranyl, which may be substituted by W; and the W is a halogen atom, CN, NO<SB>2</SB>, a 1-10C alkyl or alkoxy, or a 1-5C haloalkyl or haloalkoxy].  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009178726-A (JP)
Title: Press and its adjusting method
Inventor: SHIMADA TAKAHIRO
IPC: B30B15/06
Filed: 2008-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a press capable of reducing or eliminating a machine error relative to the posture of a slide at the time of pressing, and a method for adjusting the press.  <P>SOLUTION: A press includes: an upper die and a lower die, which perform pressing while vertically clamping a workpiece; a slide 3, to whose lower surface the upper die is fixed and which is vertically moved; a slide driving mechanism 5, which generates press-molding force by vertically moving the slide 3; and a slide adjusting device 13 for adjusting the posture of the slide 3. The slide adjusting device 13 has a cylinder device 13A, which applies a load to the slide 3 to change the posture of the slide 3 by changing its stroke position, and an adjusting means 13B for adjusting the stroke position of the cylinder device 13A.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009182543-A (JP)
Title: Signal generator
Inventor: YAMAMOTO HIROYUKI
IPC: H04N5/45
Filed: 2008-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To easily and surely perform operation check of an image apparatus related to pulldown process in a signal generator.  <P>SOLUTION: Moving images S2, S1 having been subjected to the pulldown process are generated by controlling read addresses of image data supplied from a memory 4.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009179440-A (JP)
Title: Paper feeder
Inventor: YOKOGAWA KAZUKI
IPC: B65H3/06
Filed: 2008-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper feeder with a stable conveying force by solving problems such as feed defect, double feeding, and an impact sound of abutting of a roller on a sheet in high speed paper feeding using a paper feeding roller.  <P>SOLUTION: A spring is provided between a paper feeding roller shaft part and a paper feeding roller collar for pressing toward a sheet direction, and the paper feeding roller collar reduces impact of contact of the paper feeding roller to a sheet on a loading plate and inhibits vibration of the sheet or the sheet loading plate when the paper feeding roller rotates around the fulcrum of rotation of a rotary shaft, thereby enabling stable sheet feeding.  <P>COPYRIGHT: (C)2009,JPO&INPIT