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    • 1. 发明授权
    • Spring clutch
    • 弹簧离合器
    • US07878315B2
    • 2011-02-01
    • US11783697
    • 2007-04-11
    • Takahide SaitoMasafumi NakakojiKatsumi FurutaniKoji AkiyoshiTomoaki Makino
    • Takahide SaitoMasafumi NakakojiKatsumi FurutaniKoji AkiyoshiTomoaki Makino
    • F16D41/20
    • F16D41/206
    • A spring clutch is provided for which durability is improved by preventing a clutch spring from breaking due to fatigue. A cylindrical clutch spring made from a wire having a square section is mounted between a pulley and a pulley hub mounted in the pulley. An end of the clutch spring is coupled to the pulley hub. A clutch surface is formed on the inner periphery of the pulley and is formed with a large-diameter recess at a position opposite to the end portion of the clutch spring including the torque transmission end. When the pulley rotates in one direction, the clutch spring expands. At this time, the end portion of the clutch spring including the torque transmission end expands in the large-diameter recess, thus relaxing sharp torque produced in the clutch. This prevents local stress concentration on the clutch spring and breakage of the clutch spring and improves the durability of the clutch.
    • 提供了一种通过防止离合器弹簧由于疲劳而破裂而提高耐久性的弹簧离合器。 由具有正方形截面的线制成的圆柱形离合器弹簧安装在滑轮和安装在滑轮中的滑轮轮毂之间。 离合器弹簧的端部联接到滑轮毂。 离合器表面形成在滑轮的内周上,并且在与包括转矩传递端的离合器弹簧的端部相对的位置处形成有大直径的凹部。 当滑轮沿一个方向旋转时,离合器弹簧膨胀。 此时,包括转矩传递端的离合器弹簧的端部在大直径凹部中膨胀,从而放松在离合器中产生的急剧的扭矩。 这防止离合器弹簧的局部应力集中和离合器弹簧的断裂,并提高离合器的耐久性。
    • 2. 发明授权
    • Autotensioner
    • 自动张紧器
    • US5328415A
    • 1994-07-12
    • US68548
    • 1993-05-28
    • Katsumi FurutaniKen YamamotoSatoshi Kitano
    • Katsumi FurutaniKen YamamotoSatoshi Kitano
    • F16H7/12F16H7/10
    • F16H7/1218F16H2007/084
    • An autotensioner having a fixed shaft, a pulley support pivotally supported on the fixed shaft, a pulley rotatably supported on the pulley support and a spring for biasing the pulley support in such a direction as to apply tension to a belt. The pulley support has a cylindrical portion arranged coaxially with the fixed shaft. The fixed shaft is formed with cam surfaces at such a position that wedge-shaped spaces are defined between the cam surfaces and the cylindrical portion. The wedge-shaped spaces narrow in a direction in which the pulley support pivots to slacken the belt. Friction members are each mounted in the respective wedge-shaped spaces. They have a shape substantially complementary to the shape of the wedge-shaped spaces. A spring member is also mounted in each wedge-shaped space to bias the friction members into the narrow area of each wedge-shaped space.
    • 具有固定轴的自动张紧器,可枢转地支撑在固定轴上的滑轮支撑件,可旋转地支撑在滑轮支撑上的滑轮和用于沿向皮带施加张力的方向偏压滑轮支撑件的弹簧。 皮带轮支撑件具有与固定轴同轴设置的圆柱形部分。 固定轴在凸轮表面和圆柱形部分之间形成楔形空间的位置处形成有凸轮表面。 楔形空间在滑轮支撑件枢转以使带松弛的方向上变窄。 摩擦构件各自安装在相应的楔形空间中。 它们具有与楔形空间的形状基本互补的形状。 弹簧构件也安装在每个楔形空间中,以将摩擦构件偏置到每个楔形空间的狭窄区域中。
    • 4. 发明申请
    • SPRING CLUTCH
    • 弹簧离合器
    • US20110088993A1
    • 2011-04-21
    • US12972779
    • 2010-12-20
    • Takahide SAITOMasafumi NakakojiKatsumi FurutaniKoji AkiyoshiTomoaki Makino
    • Takahide SAITOMasafumi NakakojiKatsumi FurutaniKoji AkiyoshiTomoaki Makino
    • F16D41/20
    • F16D41/206
    • A spring clutch is provided for which durability is improved by preventing a clutch spring from breaking due to fatigue. A cylindrical clutch spring made from a wire having a square section is mounted between a pulley and a pulley hub mounted in the pulley. An end of the clutch spring is coupled to the pulley hub. A clutch surface is formed on the inner periphery of the pulley and is formed with a large-diameter recess at a position opposite to the end portion of the clutch spring including the torque transmission end. When the pulley rotates in one direction, the clutch spring expands. At this time, the end portion of the clutch spring including the torque transmission end expands in the large-diameter recess, thus relaxing sharp torque produced in the clutch. This prevents local stress concentration on the clutch spring and breakage of the clutch spring and improves the durability of the clutch.
    • 提供了一种通过防止离合器弹簧由于疲劳而破裂而提高耐久性的弹簧离合器。 由具有正方形截面的线制成的圆柱形离合器弹簧安装在滑轮和安装在滑轮中的滑轮轮毂之间。 离合器弹簧的端部联接到滑轮毂。 离合器表面形成在滑轮的内周上,并且在与包括转矩传递端的离合器弹簧的端部相对的位置处形成有大直径的凹部。 当滑轮沿一个方向旋转时,离合器弹簧膨胀。 此时,包括转矩传递端的离合器弹簧的端部在大直径凹部中膨胀,从而放松在离合器中产生的急剧的扭矩。 这防止离合器弹簧的局部应力集中和离合器弹簧的断裂,并提高离合器的耐久性。
    • 5. 发明申请
    • Spring Clutch
    • 弹簧离合器
    • US20070240964A1
    • 2007-10-18
    • US11783697
    • 2007-04-11
    • Takahide SaitoMasafumi NakakojiKatsumi FurutaniKoji AkiyoshiTomoaki Makino
    • Takahide SaitoMasafumi NakakojiKatsumi FurutaniKoji AkiyoshiTomoaki Makino
    • F16D41/20F16D13/08
    • F16D41/206
    • A spring clutch is provided which has improved durability by preventing a clutch spring from breaking due to fatigue. A cylindrical clutch spring made from a wire having a square section is mounted between a pulley and a pulley hub mounted in the pulley. An end of the clutch spring is coupled to the pulley hub. A clutch surface is formed on the inner periphery of the pulley and is formed with a large-diameter recess at a position opposite to the end portion of the clutch spring including the torque transmission end. When the pulley rotates in one direction, the clutch spring expands. At this time, the end portion of the clutch spring including the torque transmission end expands in the large-diameter recess, thus relaxing sharp torque produced in the clutch. This prevents local stress concentration on the clutch spring and breakage of the clutch spring and improves the durability of the clutch.
    • 提供一种弹簧离合器,其通过防止离合器弹簧由于疲劳而破裂而具有改善的耐久性。 由具有正方形截面的线制成的圆柱形离合器弹簧安装在滑轮和安装在滑轮中的滑轮轮毂之间。 离合器弹簧的端部联接到滑轮毂。 离合器表面形成在滑轮的内周上,并且在与包括转矩传递端的离合器弹簧的端部相对的位置处形成有大直径的凹部。 当滑轮沿一个方向旋转时,离合器弹簧膨胀。 此时,包括转矩传递端的离合器弹簧的端部在大直径凹部中膨胀,从而放松在离合器中产生的急剧的扭矩。 这防止离合器弹簧的局部应力集中和离合器弹簧的断裂,并提高离合器的耐久性。
    • 6. 发明授权
    • Over-running clutch pulley with clutch cartridge
    • 带离合器卡盘的超行离合器皮带轮
    • US06761656B2
    • 2004-07-13
    • US10160315
    • 2002-05-31
    • Randall KingKatsumi FurutaniRobert FrayerSteve RussellMary-Jo ListonJared Taketa
    • Randall KingKatsumi FurutaniRobert FrayerSteve RussellMary-Jo ListonJared Taketa
    • F16H5900
    • F16D41/206
    • The over-running clutch pulley of the preferred embodiments of the invention includes a sheave member defining a sheave input surface adapted to engage an input device, a hub member defining a hub output surface adapted to engage an output device, and a clutch cartridge. The clutch cartridge includes a sheave engagement sleeve coupled to a sheave cartridge surface of the sheave member, a hub attachment sleeve coupled to a hub cartridge surface of the hub member, and a coil spring having the first end attached to the hub attachment sleeve. The coil spring is adapted to engage the sheave engagement sleeve upon the acceleration of the sheave member in a first rotational direction relative to the hub member, and to disengage the sheave engagement sleeve upon the deceleration of the sheave member in the first rotational direction relative to the hub member.
    • 本发明的优选实施例的超跑离合器滑轮包括滑轮构件,其限定适于接合输入装置的滑轮输入表面,限定适于接合输出装置的轮毂输出表面的毂构件和离合器盒。 离合器卡盘包括联接到滑轮构件的滑轮卡盘表面的滑轮接合套筒,联接到轮毂构件的轮毂座表面的轮毂安装套筒以及具有附接到轮毂安装套筒的第一端的螺旋弹簧。 螺旋弹簧适于在滑轮构件相对于轮毂构件的第一旋转方向加速时接合滑轮接合套筒,并且在滑轮构件相对于第一旋转方向减速时使滑轮接合套筒相对于 轮毂成员。
    • 7. 发明授权
    • Auto-tensioner for belt
    • 皮带自动张紧器
    • US4863417A
    • 1989-09-05
    • US241282
    • 1988-09-07
    • Kei KimataKen YamamotoMakoto YasuiKatsumi Furutani
    • Kei KimataKen YamamotoMakoto YasuiKatsumi Furutani
    • F16H7/08
    • F16H7/08F16H2007/0806F16H2007/0859F16H2007/0891
    • An auto-tensioner for a belt has a cylindrical body having a bottom. A nut formed with female threads on its inner periphery and having a rod integrally formed at one end is slidably mounted in the body. A bolt is mounted in the body so that its male threads will engage the female threads on the nut. A belt loading spring is mounted between the nut and the bottom of the body to urge the nut in such a direction as to increase the tension to the belt. A bolt turning spring is mounted between the nut and the bolt to urge and turn the bolt in such a direction as to be pressed against the bottom of the body or in a direction away from the nut. Thus the nut and the bolt are moved either toward or away from each other according to the load from the belt which acts on the rod so as to automatically adjust the tension to the belt.
    • 用于带的自动张紧器具有底部的圆柱体。 在其内周形成有阴螺纹并且具有一端形成在其一端的杆的螺母可滑动地安装在主体中。 螺栓安装在主体中,使得其外螺纹将与螺母上的内螺纹啮合。 皮带加载弹簧安装在螺母和本体的底部之间,以沿着增加带的张力的方向推动螺母。 螺栓转动弹簧安装在螺母和螺栓之间,以沿着压靠身体底部或远离螺母的方向推动并转动螺栓。 因此,螺母和螺栓根据作用在杆上的带的负载而彼此移动或彼此远离,以便自动调节到带的张力。