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1. 发明专利

JP2003278863A Autotensioner 审中-公开
标题翻译： AUTOTENSIONER
公开(公告)号：JP2003278863A
公开(公告)日：2003-10-02
申请号：JP2002088750
申请日：2002-03-27
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YANAI KUNIO , TSUNODA TAKASHI
IPC分类号： F16C35/02 , F16H7/02 , F16H7/08 , F16H7/12
CPC分类号： F16H2007/081
摘要： PROBLEM TO BE SOLVED: To provide an autotensioner, in which partial wear is prevented from occurring in a bush due to moment on a rocking member produced by load of a belt.
SOLUTION: A bush 8 is fit on the outside periphery of a shaft part 7a of a support member 7, and a circular-arcuate cross-section support 10 is formed in the bush 8. The inside periphery of a torsion coil-spring 9 is brought into contact with the outside periphery of the support 10. With the contraction of the diameter of the spring 9, the support 10 is pressed on an inside cylinder part 4c of a rocking member 4, in order to restrain the rocking member 4 from inclining due to the load of the belt with respect to the axis 7a of the support member 7.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种自动张紧器，其中由于由带的负载产生的摇摆构件上的力矩，防止在衬套中发生部分磨损。解决方案：衬套8装配在支撑构件7的轴部7a的外周上，并且在衬套8中形成圆弧形横截面支撑10.扭转线圈 - 弹簧9与支撑件10的外周接触。随着弹簧9的直径的收缩，支撑件10被压在摆动构件4的内侧圆筒部分4c上，以便限制摆动构件 4由于带子相对于支撑构件7的轴线7a的载荷而倾斜。版权所有（C）2004，JPO

2. 发明专利

JP2005083434A Auto-tensioner 审中-公开
标题翻译：自动张紧器
公开(公告)号：JP2005083434A
公开(公告)日：2005-03-31
申请号：JP2003314567
申请日：2003-09-05
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YANAI KUNIO
IPC分类号： F16H7/12 , F16H7/08
CPC分类号： F16H2007/081
摘要： PROBLEM TO BE SOLVED: To provide an auto-tensioner having strong fixing force of a pressing plate of a friction plate and capable of maintaining a swing damping function of a pulley for a long time.
SOLUTION: The pressing plate 6 having an inner fringe shape along an outer fringe shape of a locking part 1x is fitted into the locking part 1x provided at a tip of a support shaft part 1a of a support member 1, and a region including the whole projecting part of the locking part 1x (a halftone dot meshing part K) is caulked and swells in the radial direction to fix the pressing plate 6. Owing to this configuration, fixing force for the pressing plate 6 in the locking part 1x is improved when compared with a conventional auto-tensioner caulking method. Since amount of deformation of the caulked part K is small and occurrence of crack is prevented, durability of the caulked part K is improved.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种自动张紧器，其具有摩擦板的按压板的强固定力并且能够长时间保持滑轮的摆动阻尼功能。解决方案：沿着锁定部分1x的外边缘形状具有内边缘形状的按压板6装配到设置在支撑构件1的支撑轴部分1a的尖端处的锁定部分1x中，并且区域包括锁定部分1x的整个突出部分（半色调网点啮合部分K）被铆接并沿径向膨胀以固定按压板6.由于这种构造，按压板6在锁定部分1x中的固定力与传统的自动张紧器铆接方法相比是改进的。由于铆接部K的变形量小，防止发生龟裂，因此提高了铆接部K的耐久性。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2005076672A Autotensioner 审中-公开
标题翻译：自动张紧器
公开(公告)号：JP2005076672A
公开(公告)日：2005-03-24
申请号：JP2003304652
申请日：2003-08-28
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YANAI KUNIO
IPC分类号： F16H7/12 , F16H7/08
CPC分类号： F16H2007/081
摘要： PROBLEM TO BE SOLVED: To provide an auto tensioner with a small number of part items, being light in weight and easily assembled. SOLUTION: The bracket of the auto tensioner is integrally formed by using a synthetic resin. The integrated resin bracket 10 comprises mainly a rocker arm part 10a for supporting a tension pulley 5, a cylindrical boss part 10b arranged at the base end of the rocker arm part, and a flange part 10c for connecting the rocker arm part and the boss part. A support part 10d projected toward a radial outside is formed in the vicinity of the base end part of the boss part 10b, and a friction part 10e axially projected is formed on the outside (press plate 3 side) end surface of the flange part 10c. By the foregoing constitution, the auto tensioner can reduce the number of part items and can be lightened while exhibiting the same function as the conventional auto tensioner. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有少量零件的自动张紧器，重量轻并且容易组装。
解决方案：自动张紧器的支架通过使用合成树脂一体形成。集成树脂支架10主要包括用于支撑张力滑轮5的摇臂部分10a，布置在摇臂部分的基端的圆柱形凸台部分10b和用于将摇臂部分和凸台部分连接的凸缘部分10c 。在凸台部10b的基端部附近形成有向径向外侧突出的支撑部10d，在凸缘部10c的外侧（压板3侧）端面形成有轴向突出的摩擦部10e 。通过上述结构，自动张紧器可以减少零件的数量，并且可以减轻，同时具有与传统的自动张紧器相同的功能。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2004108484A Pulley device for auxiliary machinery belt of internal combustion engine 审中-公开
公开(公告)号：JP2004108484A
公开(公告)日：2004-04-08
申请号：JP2002271574
申请日：2002-09-18
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： TSUNODA TAKASHI , YANAI KUNIO
IPC分类号： F02B67/06 , F16H7/12
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive pulley device of long service life for an auxiliary machinery belt capable of relieving the demand of durability and abrasion resistance to a component.
SOLUTION: This pulley device for the auxiliary machinery belt moves a pulley holding part 6 to absorb the change of tensile force of a belt 67 in accordance with the change of a temperature of an internal combustion engine 1, by expanding and contracting a coil-shaped member 12 as a thermal expansible member in accordance with the change of the temperature of the internal combustion engine 1. As this pulley device 30 moves the pulley holding part 6 by the coil-shaped member 12 substantially free from spring characteristic, the pulley device 30 is free from constantly oscillated or vibrated parts found in a conventional device, whereby the demand of durability and abrasion resistance to the component can be relieved, the cost can be reduced, and the service life can be elongated.
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2004108483A Belt system for internal combustion engine 审中-公开
公开(公告)号：JP2004108483A
公开(公告)日：2004-04-08
申请号：JP2002271567
申请日：2002-09-18
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YANAI KUNIO , TSUNODA TAKASHI
IPC分类号： F02B67/06 , F16H7/12
摘要： PROBLEM TO BE SOLVED: To provide a belt system for an internal combustion engine sufficiently securing the service life by realizing the optimum torque characteristic corresponding to the change of the behavior of the internal combustion engine.
SOLUTION: In this belt system for the internal combustion engine, a belt control device 12 performs the control to increase the tension of a belt 7 and the damping force of a pulley holding part 29 as an auto tensioner, when it receives a signal indicating a rotating frequency lower than a predetermined value, of an engine from a rotating frequency sensor 51. Accordingly, the variation of the tension of the belt 7 can be inhibited by increasing the tension of the belt and the damping force of the pulley holding part 29 as the auto tensioner in a low-speed rotating zone where the variation in the rotation of the engine is increased.
COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2005163867A Auto-tensioner 审中-公开
标题翻译：自动张紧器
公开(公告)号：JP2005163867A
公开(公告)日：2005-06-23
申请号：JP2003401733
申请日：2003-12-01
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YANAI KUNIO , KAWASAKI KANJI
IPC分类号： F16H7/12 , F16H7/08
CPC分类号： F16H2007/081
摘要： PROBLEM TO BE SOLVED: To provide an auto-tensioner that is usable for a long period by using a support member of resin provided with low aggressiveness to aluminum members, and high abrasion resistance for itself. SOLUTION: This auto-tensioner is provided with a bracket 2 having an oscillation arm part 2a for supporting a tension pulley 7, a support 1 engaged with a boss part 2b in the bracket 2 to support the bracket 2 to be capable of oscillating, a torsion coil spring 3 disposed around the boss part 2b to contract in accordance with oscillating action of the bracket 2, and the support member 10 disposed between the torsion coil spring 3 and the boss part 2b. The support member 10 is formed of resin material comprising olefin polymer dispersed in polyamide resin base material. In this constitution, service life of the auto-tensioner can be improved. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过使用对铝构件具有低侵蚀性的树脂的支撑构件并且对其自身具有高耐磨性而可长期使用的自动张紧器。解决方案：该自动张紧器设置有支架2，支架2具有用于支撑张力皮带轮7的摆动臂部分2a，与支架2中的凸台部分2b接合的支撑件1，以支撑托架2能够摆动，设置在凸台部分2b周围的扭转螺旋弹簧3，以根据支架2的振动作用收缩，以及设置在扭力螺旋弹簧3和凸台部分2b之间的支撑构件10。支撑构件10由分散在聚酰胺树脂基材中的烯烃聚合物的树脂材料形成。在该结构中，可以提高自动张紧器的使用寿命。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005009647A Auto tensioner 有权
标题翻译：自动张紧器
公开(公告)号：JP2005009647A
公开(公告)日：2005-01-13
申请号：JP2003177380
申请日：2003-06-20
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YANAI KUNIO , KAWASAKI KANJI
IPC分类号： F16H7/12 , F16H7/08
CPC分类号： F16H2007/081
摘要： PROBLEM TO BE SOLVED: To provide an auto tensioner capable of effectively preventing an oscillation arm part from being tilted due to a reduction in diameter of a torsion coil spring.
SOLUTION: A support member 5 between the boss part 2b of a bracket 2 and the torsion coil spring 3 is formed in a generally cylindrical shape having a thick wall part 5a and a thin wall part 5b. The thick wall part 5a is arranged in an area having the same phase as that on a side where a tension pulley 9 receives the load of a belt. By the configuration, since the spring 3 stably comes into contact with only the thick wall area (thick wall part 5a) on which a moment load from the belt acts, the tilt of the swing arm part 2a relative to a swing shaft can be prevented by effectively receiving the moment load.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够有效地防止摆动臂部由于扭转螺旋弹簧的直径减小而被倾斜的自动张紧器。解决方案：托架2的凸台部分2b和扭转螺旋弹簧3之间的支撑构件5形成为具有厚壁部分5a和薄壁部分5b的大致圆柱形形状。厚壁部5a布置在与张力带轮9承受带的载荷的一侧具有相同相位的区域。通过该结构，由于弹簧3稳定地仅与来自带的力矩载荷作用的厚壁区域（厚壁部5a）接触，所以可以防止摆臂部2a相对于摆动轴的倾斜通过有效地接收力矩负载。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004270825A Auto-tensioner 审中-公开
公开(公告)号：JP2004270825A
公开(公告)日：2004-09-30
申请号：JP2003063334
申请日：2003-03-10
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： KAWASAKI KANJI , YANAI KUNIO
IPC分类号： F16H7/12
摘要： PROBLEM TO BE SOLVED: To provide an auto-tensioner capable of efficiently manufacturing a projection which is bitten in a non-sliding surface of a friction plate to regulate the turn of the friction plate with excellent accuracy.
SOLUTION: The auto-tensioner is constituted by radially protruding projecting bars 4d of triangular section on a flange part 4b forming an oscillating base part of an oscillation member 4.
COPYRIGHT: (C)2004,JPO&NCIPI

9. 发明专利

JP2004036695A Belt system for internal combustion engine, and belt tension adjusting device 有权
公开(公告)号：JP2004036695A
公开(公告)日：2004-02-05
申请号：JP2002192392
申请日：2002-07-01
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YANAI KUNIO , TSUNODA TAKASHI
IPC分类号： F02B67/06 , F02D45/00 , F16H7/12
摘要： PROBLEM TO BE SOLVED: To provide an auxiliary belt system for an internal combustion engine and a belt tension adjusting device capable of preventing a belt life from being shortened and a power from being lost by controlling the tension of a belt based on the rotational speed and the load conditions of the internal combustion engine.
SOLUTION: When the rotational speed of the internal combustion engine is smaller than a specified value, a rotational speed sensor detects the rotational speed smaller than the specified value, and outputs a signal to move an idler pulley 5 to an idler pulley movable device so that the tension of the belt 9 can be increased. In this case, the idler pulley 5 is moved to a position shown by a dotted line in the figure and, by that movement, a belt tension adjusting pulley 8 is moved to a position shown by a dotted line in the figure. Accordingly, since the belt tension adjusting pulley 8 adjusts the tension of the belt 9 at the position where the tension of the belt 9 is high, a slippage produced between the belt 9 and the auxiliary equipment pulleys 2, 3, and 4 can be avoided, and the loss of the power can be prevented.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2003278861A Autotensioner 有权
标题翻译： AUTOTENSIONER
公开(公告)号：JP2003278861A
公开(公告)日：2003-10-02
申请号：JP2002082682
申请日：2002-03-25
申请人： Koyo Seiko Co Ltd , 光洋精工株式会社
发明人： YANAI KUNIO , TSUNODA TAKASHI
IPC分类号： F16H7/12 , F16H7/08
CPC分类号： F16H2007/081
摘要： PROBLEM TO BE SOLVED: To provide an autotensioner in which wear of a friction plate is restrained from progressing even when fluctuations of the belt tension are big due to an engine having big revolution fluctuations.
SOLUTION: A protrusion 14 as a movable member is provided to a rocking arm 4, which is supported by a support member 7. A rubbery elastic body 13 as a securing member is provided to the support member 7. The elastic body 13 fastens the protrusion 14 to constitute a stopper 15. When the rocking arm 4 rocks, the protrusion 14 is pressed to the elastic body 13, and rocking is restricted within the limit of the elastic deformation of the body 13.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供一种自动张紧器，其中即使由于具有大的旋转波动的发动机而导致皮带张力的波动较大，摩擦片的磨损也被抑制进行。解决方案：作为可动构件的突起14设置在由支撑构件7支撑的摇臂4.作为固定构件的橡胶弹性体13设置在支撑构件7上。弹性体13 紧固突起14以构成止动件15.当摇臂4摇动时，突起14被按压到弹性体13，并且摇摆被限制在主体13的弹性变形的极限内。版权所有（ C）2004，JPO

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