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1. 发明授权

US06561154B2 Engine head cover structure 有权
公开(公告)号：US06561154B2
公开(公告)日：2003-05-13
申请号：US09984167
申请日：2001-10-29
申请人： Keita Ito , Takeshi Maeda , Yasutake Ryu , Takao Nishida
发明人： Keita Ito , Takeshi Maeda , Yasutake Ryu , Takao Nishida
IPC分类号： F01M304
CPC分类号： F01L1/18 , F01L1/02 , F01L1/024 , F01L1/053 , F01M2013/0488 , F02B63/02 , F02B2075/027 , F02B2275/20 , F02F1/002 , F02F7/006
摘要： An engine head cover structure has a head cover joined to the upper end of a cylinder head so as to define a valve operation chamber therebetween. The head cover includes therein an oil recovery chamber to which oil resided in the valve operation chamber is recovered by suction and a breather chamber that removes blowby gas from the valve operation chamber being provided in the head cover. The breather chamber is defined between a partition plate mounted on an inner wall of the head cover via clips and a surface of the roof of the head cover, and the oil recovery chamber is defined between the partition plate and a partition body welded thereto. It is thus possible to form the oil recovery chamber and the breather chamber without splitting the roof of the head cover, thereby making inspection of the joint for oil tightness unnecessary.

2. 发明授权

US06484679B2 Engine valve operation mechanism 失效
公开(公告)号：US06484679B2
公开(公告)日：2002-11-26
申请号：US09984156
申请日：2001-10-29
申请人： Keita Ito , Takeshi Maeda , Takao Nishida
发明人： Keita Ito , Takeshi Maeda , Takao Nishida
IPC分类号： F01L1053
CPC分类号： F02B63/02 , F01L1/02 , F01L1/024 , F01L1/053 , F01L1/18 , F02B75/16 , F02B2075/027 , F02B2275/20 , F02F1/002
摘要： In an engine valve operation mechanism, opposite ends of a support shaft that supports a cam in a rotatable manner are supported in a first support hole of a first support wall formed in a cylinder head and a second support hole of a second support wall placed inwardly from the first support wall relative to the cylinder head, thereby allowing the support shaft to be inserted into the first support hole and the second support hole from outside the cylinder head, and an inner face of a head cover prevents the support shaft from becoming detached from the first support hole. The axial movement of the cam support shaft can thereby be restricted without employing a special stopper member, and the leakage of lubricating oil for the support shaft can be prevented without using a special sealing member.

3. 发明授权

US06539904B2 Valve-operating mechanism in 4-cycle engine 有权
公开(公告)号：US06539904B2
公开(公告)日：2003-04-01
申请号：US09946956
申请日：2001-09-06
申请人： Keita Ito , Takao Nishida , Takeshi Maeda , Yasuhiro Shimizu
发明人： Keita Ito , Takao Nishida , Takeshi Maeda , Yasuhiro Shimizu
IPC分类号： F01L102
CPC分类号： F01L1/053 , F01L1/02 , F01L1/024 , F01L1/18 , F02B63/02 , F02B2075/027
摘要： In a valve-operating mechanism in a 4-cycle engine, a timing transmitting device is disposed on one side of an engine body. A cam device includes a cam coupled to a driven pulley of the timing transmitting device on one side of a cylinder head, intake and exhaust rocker shafts rotatably carried in the cylinder head, intake and exhaust cam followers secured to one ends of the rocker shafts with their tip ends in sliding contact with the cam, and intake and exhaust rocker arms secured to the other ends of the intake and exhaust rocker shafts with their tip ends abutting against the intake and exhaust valves. Thus, the cam of the cam device can be disposed on one side of the cylinder head to effectively reduce the entire height of the engine.

4. 发明授权

US06508224B2 Handheld type four-cycle engine 有权
标题翻译：手持式四冲程发动机
公开(公告)号：US06508224B2
公开(公告)日：2003-01-21
申请号：US09803663
申请日：2001-03-12
申请人： Keita Ito , Koji Kasai , Takao Nishida , Yasuhiro Shimizu , Takeshi Maeda , Yasutake Ryu
发明人： Keita Ito , Koji Kasai , Takao Nishida , Yasuhiro Shimizu , Takeshi Maeda , Yasutake Ryu
IPC分类号： F01M100
CPC分类号： F02B75/16 , F01L1/024 , F01L1/182 , F01M1/04 , F01M9/06 , F01M11/065 , F01M13/04 , F02B63/02 , F02B67/06 , F02B2075/027 , F02B2275/20 , F02F1/002
摘要： In a handheld type four-cycle engine, a valve operation mechanism includes a camshaft rotatably supported in a cylinder head so as to open and close an intake valve and an exhaust valve and a timing transmission placed on one side outside an engine main body and providing association between a crankshaft and the camshaft, and a centrifugal clutch for power output is mounted on the crankshaft on the opposite side outside the engine main body. The timing transmission and the centrifugal clutch being positioned at the two ends of the crankshaft improves the weight balance, the centre of gravity of the engine can be made as close to the central part of the crankshaft as possible, which, together with the reduced weight, can enhance the operability of the engine.
摘要翻译：在手持式四冲程发动机中，阀操作机构包括可旋转地支撑在气缸盖中的凸轮轴，以便打开和关闭进气门和排气门以及定位传动装置，其位于发动机主体的外侧并提供曲轴和凸轮轴之间的关联以及用于动力输出的离心式离合器安装在发动机主体外侧的曲轴上。定时传动和位于曲轴两端的离心式离合器提高了重量平衡，发动机的重心可尽可能地靠近曲轴的中心部分，同时减重，可以提高发动机的可操作性。

5. 发明授权

US06705263B2 Handheld type four-cycle engine 有权
公开(公告)号：US06705263B2
公开(公告)日：2004-03-16
申请号：US10315040
申请日：2002-12-10
申请人： Keita Ito , Koji Kasai , Takao Nishida , Yasuhiro Shimizu , Takeshi Maeda , Yasutake Ryu
发明人： Keita Ito , Koji Kasai , Takao Nishida , Yasuhiro Shimizu , Takeshi Maeda , Yasutake Ryu
IPC分类号： F01M100
CPC分类号： F02B75/16 , F01L1/024 , F01L1/182 , F01M1/04 , F01M9/06 , F01M11/065 , F01M13/04 , F02B63/02 , F02B67/06 , F02B2075/027 , F02B2275/20 , F02F1/002
摘要： In a handheld type four-cycle engine, a valve operation mechanism includes a camshaft rotatably supported in a cylinder head so as to open and close an intake valve and an exhaust valve and a timing transmission placed on one side outside an engine main body and providing association between a crankshaft and the camshaft, and a centrifugal clutch for power output is mounted on the crankshaft on the opposite side outside the engine main body. The timing transmission and the centrifugal clutch being positioned at the two ends of the crankshaft improves the weight balance, the centre of gravity of the engine can be made as close to the central part of the crankshaft as possible, which, together with the reduced weight, can enhance the operability of the engine.

6. 发明授权

US06672273B2 Handheld type four-cycle engine 有权
标题翻译：手持式四冲程发动机
公开(公告)号：US06672273B2
公开(公告)日：2004-01-06
申请号：US10315185
申请日：2002-12-10
申请人： Keita Ito , Koji Kasai , Takao Nishida , Yasuhiro Shimizu , Takeshi Maeda , Yasutake Ryu
发明人： Keita Ito , Koji Kasai , Takao Nishida , Yasuhiro Shimizu , Takeshi Maeda , Yasutake Ryu
IPC分类号： F01M100
CPC分类号： F02B75/16 , F01L1/024 , F01L1/182 , F01M1/04 , F01M9/06 , F01M11/065 , F01M13/04 , F02B63/02 , F02B67/06 , F02B2075/027 , F02B2275/20 , F02F1/002
摘要： In a handheld type four-cycle engine, a valve operation mechanism includes a camshaft rotatably supported in a cylinder head so as to open and close an intake valve and an exhaust valve and a timing transmission placed on one side outside an engine main body and providing association between a crankshaft and the camshaft, and a centrifugal clutch for power output is mounted on the crankshaft on the opposite side outside the engine main body. The timing transmission and the centrifugal clutch being positioned at the two ends of the crankshaft improves the weight balance, the centre of gravity of the engine can be made as close to the central part of the crankshaft as possible, which, together with the reduced weight, can enhance the operability of the engine.
摘要翻译：在手持式四冲程发动机中，阀操作机构包括可旋转地支撑在气缸盖中的凸轮轴，以便打开和关闭进气门和排气门以及定位传动装置，其位于发动机主体的外侧并提供曲轴和凸轮轴之间的关联以及用于动力输出的离心式离合器安装在发动机主体外侧的曲轴上。定时传动和位于曲轴两端的离心式离合器提高了重量平衡，发动机的重心可尽可能地靠近曲轴的中心部分，同时减重，可以提高发动机的可操作性。

7. 发明授权

US06592059B2 Foreign matter entanglement-preventing device in working engine 有权
公开(公告)号：US06592059B2
公开(公告)日：2003-07-15
申请号：US09949835
申请日：2001-09-12
申请人： Keita Ito , Takao Nishida , Takeshi Maeda , Kenji Higashi
发明人： Keita Ito , Takao Nishida , Takeshi Maeda , Kenji Higashi
IPC分类号： B02C1900
CPC分类号： F01P5/02 , F01P1/02 , F01P11/12 , F02B63/02 , F02B2075/027
摘要： In a working engine including a bearing mounted on an outer wall of a crankcase for carrying a crankshaft, an oil seal mounted on the outer wall of a crankcase and disposed outside and adjacent the bearing, and a cooling fan which is attached to an outer end of the crankshaft adjacent the oil seal with its blades turned toward the crankcase and which has blades protruding toward the crankcase, a cylindrical protective tube is formed on an outer sidewall of the crankcase to cover ends of bosses of the cooling fan, and a foreign matter-beating piece is formed on the cooling fan 16 in proximity to an outer peripheral surface of the protective tube. Thus, even if a long foreign matter drawn in by the cooling fan such as a weed and the like has been entangled around the crankshaft, it can be beaten and loosened, or cut by the foreign matter-beating piece rotated along with the cooling fan. Therefore, it is possible to prevent the entanglement around the foreign matter around the crankshaft, thereby avoiding damage to the oil seal as a result of the entanglement.

8. 发明授权

US09880639B2 Pointing system, pointing device, and pointing control method 有权
公开(公告)号：US09880639B2
公开(公告)日：2018-01-30
申请号：US14118590
申请日：2012-05-22
申请人： Osamu Ito , Hideo Kawabe , Takeshi Maeda , Kousuke Seki
发明人： Osamu Ito , Hideo Kawabe , Takeshi Maeda , Kousuke Seki
IPC分类号： G06F3/033 , G06F3/01 , G06F3/0481 , G06F3/0346
CPC分类号： G06F3/033 , G06F3/016 , G06F3/0346 , G06F3/04812 , G06F2203/014
摘要： [Object] To provide a pointing system capable of presenting an intuitive operational feeling to a user.[Solving Means] A pointing device includes a casing, a tactile sense presentation section, and a sensor section. The sensor section detects an operation for the casing and outputs an operation signal for controlling a movement of a pointer on a screen. The control apparatus includes an area setting section and a signal generation section. The area setting section sets a first area that belongs to an inside of a display area of an object on the screen, a second area that belongs to an outside of the display area of the object, and a third area that belongs to a boundary portion between the first area and the second area. The signal generation section calculates a position of the pointer based on the operation signal to generate, when the pointer is located in the first area, a control signal by which the tactile sense presentation section is driven in a first drive mode and generates, when the pointer is located in the third area, a control signal by which the tactile sense presentation section is driven in a second drive mode.

9. 发明授权

US08329806B2 Method for producing flaky-glass granule, flaky-glass granule, and resin composition containing the same 有权
标题翻译：制备片状玻璃颗粒，片状玻璃颗粒的方法和含有它的树脂组合物
公开(公告)号：US08329806B2
公开(公告)日：2012-12-11
申请号：US12680958
申请日：2008-10-03
申请人： Takeshi Maeda
发明人： Takeshi Maeda
IPC分类号： C09C1/28 , C08K3/40
CPC分类号： C03B37/005 , C08K3/40 , C08K7/00 , Y10T428/2982
摘要： The method for producing flaky-glass granules of the present invention is a method for producing flaky-glass granules by allowing a plurality of glass flakes to be bonded to each other so as to be granulated. The method includes the steps of: (I) adding at least one liquid selected from water and a volatile organic solvent to the plurality of glass flakes and stirring a resultant mixture, and (II) drying the plurality of glass flakes stirred with the liquid added thereto. Unlike conventional flaky-glass granules, the flaky-glass granules produced by this method contain neither a binder nor a surface treatment agent for bonding the glass flakes to each other. Thus, when mixed into a thermoplastic resin to be molded at a high temperature, the flaky-glass granules cause neither foam inclusion nor discoloration in a molded article of the resin.
摘要翻译：本发明的片状玻璃颗粒的制造方法是通过使多个玻璃鳞片彼此粘合而造粒而制造片状玻璃颗粒的方法。该方法包括以下步骤：（I）将至少一种选自水和挥发性有机溶剂的液体加入到多个玻璃薄片中并搅拌所得混合物，和（II）干燥多个与所加液体一起搅拌的玻璃薄片到此。与常规片状玻璃颗粒不同，通过该方法生产的片状玻璃颗粒既不含粘合剂也不含玻璃鳞片彼此粘合的表面处理剂。因此，当混合成要在高温下成型的热塑性树脂时，片状玻璃颗粒在树脂的模塑制品中既不引起泡沫夹杂也不引起变色。

10. 发明授权

US08125427B2 Liquid crystal display device for displaying video data 有权
标题翻译：用于显示视频数据的液晶显示装置
公开(公告)号：US08125427B2
公开(公告)日：2012-02-28
申请号：US12245087
申请日：2008-10-03
申请人： Shigeyuki Nishitani , Takeshi Maeda , Kazuyoshi Kawabe , Hiroshi Kurihara , Tetsuo Takagi , Toshiaki Ohashi
发明人： Shigeyuki Nishitani , Takeshi Maeda , Kazuyoshi Kawabe , Hiroshi Kurihara , Tetsuo Takagi , Toshiaki Ohashi
IPC分类号： G09G3/36
CPC分类号： H04N9/69 , G09G3/2007 , G09G3/3406 , G09G3/3611 , G09G2320/0276 , G09G2320/0606 , G09G2320/0626 , G09G2320/0633 , G09G2320/0646 , G09G2320/066 , G09G2360/16 , H04N5/66
摘要： A liquid crystal display device for displaying video data having a detection circuit for detecting a luminance distribution based on video data which is inputted, the luminance distribution being indicative of generation frequency of gradations in each of divided region which includes a plurality of gradations. The display device includes a determination circuit for determining at least one of a plurality of divided regions of higher generation frequency of gradation than that of other divided regions based on the luminance distribution, a correction circuit for correcting the video data so as to make a luminance characteristic of the at least one of the plurality of divided regions of higher generation frequency of gradation more abrupt than a luminance characteristic of the other divided regions, and a liquid crystal display panel for displaying the corrected video data. A width of the divided region is changeable.
摘要翻译：一种液晶显示装置，用于显示具有检测电路的视频数据，所述检测电路用于基于输入的视频数据检测亮度分布，所述亮度分布表示包括多个灰度的每个分割区域中的灰度的产生频率。显示装置包括：确定电路，用于基于亮度分布来确定高于其他分割区域的多个分割区域中的至少一个分割区域;校正电路，用于校正视频数据以使亮度具有比其他分割区域的亮度特性更高的分级区域的多个分割区域中的至少一个的特征，以及用于显示校正后的视频数据的液晶显示面板。分割区域的宽度是可变的。

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