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    • 82. 发明授权
    • Bicycle derailleur
    • 自行车拨链器
    • US08974331B2
    • 2015-03-10
    • US13709364
    • 2012-12-10
    • Shimano Inc.
    • Sota Yamaguchi
    • F16H59/00F16H61/00F16H63/00F16H9/06B62M9/122B62M25/08
    • F16H9/06B62M9/122B62M25/08
    • A bicycle derailleur includes a base member, a movable member, a motor unit, a linkage and a saver mechanism. The linkage includes a first link that includes a first linking member and a second linking member. The first linking member is pivotally connected to the movable member. The second linking member is pivotally connected to the base member, and is attached to the first linking member. The saver mechanism includes an output member movably operated by the motor unit, a drive link movably mounted on the first link between a drive transmitting position that connects a drive force of the motor to the first link and a non-drive transmitting position that disconnect the drive force of the motor from the first link, and a biasing element biasing the drive link into engagement with the output member to maintain the drive link in the drive transmitting position.
    • 自行车拨链器包括基座构件,可动构件,马达单元,联动装置和节省机构。 连杆包括第一连杆,其包括第一连接部件和第二连接部件。 第一联接构件枢转地连接到可动构件。 第二连接构件枢转地连接到基部构件,并且附接到第一连接构件。 节省机构包括由马达单元可移动地操作的输出构件,可移动地安装在第一连杆上的驱动连杆之间的驱动传递位置,该驱动传递位置将马达的驱动力与第一连杆相连接,驱动传递位置使断开 电动机从第一连杆的驱动力,以及偏压元件,偏压驱动连杆与输出构件接合,以将驱动连杆保持在驱动传动位置。
    • 84. 发明申请
    • DRILL PRESSES HAVING SPRING-LOADED DRIVE BELT TENSIONERS
    • 具有弹簧载重驱动皮带张紧器的钻孔压力
    • US20110306451A1
    • 2011-12-15
    • US12813554
    • 2010-06-11
    • Sarah Jane Montplaisir
    • Sarah Jane Montplaisir
    • F16H7/12
    • F16H9/06
    • A drill press includes a motor having a rotatable shaft and a stepped motor pulley mounted on the rotatable shaft, a rotatable spindle and a stepped spindle pulley mounted on the rotatable spindle, and a stepped center pulley located between the motor pulley and the spindle pulley. A first drive belt connects the center pulley with the motor pulley, and a second drive belt connects the spindle pulley with the center pulley. A spring-loaded drive belt tensioner applies tension to the first drive belt. The belt tensioner has a first position for applying a first level of tension to the first drive belt and a second position for applying a second level of tension to said first drive belt that is less than the first tension level. When the belt tensioner is in the second position, the positions of the belts on the stepped pulleys are changeable.
    • 钻压机包括具有可旋转轴的马达和安装在可旋转轴上的阶梯式马达滑轮,可旋转主轴和安装在可旋转主轴上的阶梯式主轴滑轮,以及位于马达滑轮和主轴滑轮之间的阶梯式中心滑轮。 第一驱动带将中心滑轮与电机滑轮连接,第二传动皮带将主轴滑轮与中心滑轮相连。 弹簧加载的传动皮带张紧器向第一传动皮带施加张力。 带张紧器具有用于向第一传动带施加第一级张力的第一位置和用于向小于第一张力水平的所述第一传动带施加第二级张力的第二位置。 当皮带张紧器处于第二位置时,台阶滑轮上的皮带的位置是可变的。
    • 87. 发明授权
    • Two speed transmission
    • 两速传动
    • US4373927A
    • 1983-02-15
    • US181137
    • 1980-08-25
    • John T. McKinley
    • John T. McKinley
    • F16H9/06F16H9/00
    • F16H9/06
    • A two-speed transmission having an input shaft and an output shaft. A slow speed input pulley and a high speed input pulley are provided on the input shaft. An overrunning clutch and a selectively engageable clutch are provided on the output shaft, each of which has a pulley provided thereon. A pair of timing belts, each of which has teeth on both sides thereof, pass around the pulleys provided on the input shaft and the pulleys provided on the output shaft causing the output shaft to rotate at an opposite direction from the input shaft. By selectively engaging and disengaging the selectively engageable clutch, the output shaft can be rotated at two distinct speeds and at the high speed, it overruns the drive mechanism for the slow speed stage as a result of the use of the overrunning clutch.
    • 具有输入轴和输出轴的双速变速器。 输入轴上设有一个慢速输入滑轮和一个高速输入滑轮。 在输出轴上设置超越离合器和可选择性地接合的离合器,每个离合器都具有设置在其上的滑轮。 一对在其两侧具有齿的同步带绕过设置在输入轴上的滑轮和设置在输出轴上的滑轮,使得输出轴沿与输入轴相反的方向旋转。 通过选择性地接合和分离可选择性地接合的离合器,输出轴可以以两个明显的速度旋转,并且在高速下,由于使用超速离合器,其超速用于慢速级的驱动机构。
    • 88. 发明授权
    • Two-speed video recorder
    • 双速录像机
    • US4075900A
    • 1978-02-28
    • US676111
    • 1976-04-12
    • Henry John Hattendorf
    • Henry John Hattendorf
    • F16H9/06G11B15/44B65H17/22
    • F16H9/06G11B15/44
    • The specification discloses a video recorder having two recording speeds. The recorder includes a capstan for moving video tape past a recording head. A drive pulley is rotated at a predetermined drive speed. The pulley is movable between retracted and extended positions and has a small diameter portion and a large diameter portion. A belt engages the drive pulley in order to drive the capstan. A solenoid is provided to move the drive pulley between the retracted and extended positions, such that the belt alternatively engages the small and the large diameter portions in order to vary the speed of the capstan.
    • 本说明书公开了具有两个记录速度的录像机。 记录器包括用于将录像带移动经过记录头的绞盘。 驱动滑轮以预定的驱动速度旋转。 滑轮可在缩回位置和延伸位置之间移动,并且具有小直径部分和大直径部分。 皮带接合驱动皮带轮以驱动绞盘。 提供螺线管以使驱动滑轮在缩回位置和伸出位置之间移动,使得带交替地接合小直径部分和大直径部分,以便改变绞盘的速度。
    • 89. 发明授权
    • Variable-speed belt gear
    • 变速皮带齿轮
    • US3789685A
    • 1974-02-05
    • US3789685D
    • 1972-06-28
    • BOSCH PHOTOKINO GMBH
    • KRUMBEIN F
    • F16H9/06F16H7/08
    • F16H9/06
    • A belt gear wherein a first two-step pulley receives torque from a motor and drives a second two-step pulley by way of an endless belt. The mechanism for changing the speed of the second pulley has a selector knob which is rotatable between first and second angular positions and is coaxial with a shifter lever having a fork which straddles a portion of the belt between the two pulleys. One leg of a torsion spring is coupled to an eccentric pin of the knob and the other leg of the torsion spring is coupled to the shifter lever. The spring biases the knob to the second angular position as soon as the knob is rotated, either by hand or by remote control, beyond an intermediate dead-center position on its way from the first angular position, and vice versa. In the first angular position of the knob, the spring biases the shifter lever toward a position in which the lever tends to maintain the belt in engagement with the larger rim portion of one of the pulleys and the smaller rim portion of the other pulley. In the second angular position of the knob, the spring tends to move the shifter lever to a position in which the belt is trained over the smaller rim portion of the one pulley and the larger rim portion of the other pulley. The spring is capable of shifting the belt by way of the lever only when the belt is driven by the first pulley.
    • 一种皮带齿轮,其中第一两步滑轮接收来自马达的扭矩并且通过环形带驱动第二两步滑轮。 用于改变第二滑轮的速度的机构具有可在第一和第二角度位置之间旋转的选择旋钮,并且与具有跨越两个滑轮之间的皮带的一部分的叉子的换档杆同轴。 扭力弹簧的一条腿联接到旋钮的偏心销,而扭转弹簧的另一条腿联接到换档杆上。 一旦旋钮旋转时,弹簧将旋钮偏压到第二个角度位置,无论是通过手动还是通过遥控器旋转,超过了从第一个角度位置开始的中间死角位置,反之亦然。 在旋钮的第一角度位置,弹簧将换档杆朝向使杠杆倾向于保持皮带与其中一个滑轮的较大边缘部分和另一滑轮的较小边缘部分接合的位置偏置。 在旋钮的第二角度位置中,弹簧倾向于将换档杆移动到皮带被训练在一个滑轮的较小边缘部分和另一个滑轮的较大边缘部分上的位置。 只有当皮带由第一滑轮驱动时,弹簧才能通过杠杆移动皮带。