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    • 23. 发明申请
    • TORQUE LIMITER
    • 扭矩限制
    • US20110192694A1
    • 2011-08-11
    • US13122415
    • 2009-10-02
    • Takashi Yamamoto
    • Takashi Yamamoto
    • F16D43/20
    • F16D7/022F16D43/211
    • In a spring type torque limiter, it is proposed to prevent the cut end portions of the coil spring fitted on the inner ring from causing chatter of the torque limiter, even if the cut end portions of the coil spring are separated from the radially outer surface of the inner ring in order to prevent burrs remaining on the cut end portions of the coil spring from contacting the radially outer surface of the inner ring. The first cut end portion (25) of the coil spring (14) fitted on the inner ring (13) is inserted in a recess (27) of a first spring receiving protrusion (23) formed on the radially inner surface of the outer annular member (11), and the second cut end portion (26) is inserted in a recess (28) of a second spring receiving protrusion (24) formed on the inner surface of the lid member (15), thereby restraining the first and second cut end portions (25 and 26) with the recesses (27 and 28).
    • 在弹簧式扭矩限制器中,即使螺旋弹簧的切断端部与径向外侧面分离,也可以防止装配在内圈上的螺旋弹簧的切断端部产生扭矩限制器的颤动 以防止残留在螺旋弹簧的切割端部上的毛刺接触内圈的径向外表面。 安装在内圈(13)上的螺旋弹簧(14)的第一切割端部(25)插入到形成在外环(13)的径向内表面上的第一弹簧接收突起(23)的凹部(27) 构件(11)和第二切割端部(26)插入形成在盖构件(15)的内表面上的第二弹簧容纳突起(24)的凹部(28)中,从而限制第一和第二 切割端部(25和26)与凹部(27和28)。
    • 27. 发明授权
    • Wrap spring downshift mechanism
    • 包换弹簧降档机构
    • US5573472A
    • 1996-11-12
    • US389357
    • 1995-02-16
    • Donald A. Ciolli
    • Donald A. Ciolli
    • B25B21/00F16D7/02F16D43/21F16H61/02F16D43/12F16H5/10
    • B25B21/008F16D43/211F16D7/022F16H61/0293
    • A down shift mechanism for incorporation in a device such as an assembly tool includes a wrap spring which locks and releases a planetary gear speed reduction assembly to provide shifts between two drive ratios in response to torque throughput. The wrap spring is received upon a drive drum within a cylindrical housing. The ends of the wrap spring are engaged by a pair of relatively rotationally adjustable and fixable spring engaging lugs which adjust the preload of the wrap spring and thus the torque level at which the spring unwraps and lifts off the drive drum and at which the shift occurs. The wrap spring housing is coupled to the ring gear of the planetary gear assembly. When the torque applied to the wrap spring exceeds the preload, the spring unwraps, unlocking the ring gear and planetary gear assembly and downshifting to the speed reduction determined by the planetary gear assembly. An alternate embodiment of the downshift mechanism is also presented.
    • 用于结合到诸如组装工具的装置中的降档机构包括围绕弹簧,该弹簧锁定和释放行星齿轮减速组件,以响应扭矩产生量提供两个驱动比之间的换档。 卷绕弹簧被容纳在圆柱形壳体内的驱动滚筒上。 卷绕弹簧的端部通过一对相对可旋转地调节和可固定的弹簧接合凸耳接合,弹簧接合凸耳调节卷绕弹簧的预加载力,并且因此调节弹簧解开和提升驱动滚筒并且发生换档的扭矩水平 。 卷绕弹簧壳体联接到行星齿轮组件的齿圈。 当施加到卷绕弹簧的扭矩超过预载荷时,弹簧展开,释放环形齿轮和行星齿轮组件并将其降档到由行星齿轮组件确定的速度降低。 还提出了降档机构的替代实施例。
    • 29. 发明授权
    • Propeller drive sleeve
    • 螺旋桨驱动套筒
    • US5244348A
    • 1993-09-14
    • US809938
    • 1991-12-18
    • Michael A. KarlsDaniel R. Lindgren
    • Michael A. KarlsDaniel R. Lindgren
    • B63H23/34F16D9/06F16D43/21
    • F16D9/06B63H1/20B63H23/34F16D43/211B63H2023/342Y10T464/50
    • A shock absorbing drive sleeve (50) is provided by a molded plastic member directly mounting the propeller hub (14) to the propeller shaft (22). The sleeve has a rearward inner diameter portion (52) engaging the propeller shaft in splined relation, and a forward inner diameter portion (56) spaced radially outwardly of and disengaged from the propeller shaft. The drive sleeve has a rearward outer diameter portion (58), and a forward outer diameter portion (60) engaging the propeller hub. The drive sleeve and the propeller hub are tapered relative to each other such that a forward outer diameter portion (60) of the drive sleeve snugly engages the propeller hub, and a rearward outer diameter portion (58) is spaced slightly radially inwardly of the hub by a small gap (62) and may partially rotate relative to the propeller hub in response to rotation of the propeller shaft drivingly engaging the rearward inner diameter portion. When the propeller strikes an object, the shock is absorbed by torsional twisting of the drive sleeve wherein the rearward inner diameter portion and the rearward outer diameter portion continue to rotate to a further rotated position than the forward outer diameter portion, whereafter the splined teeth of the rearward inner diameter portion shear.
    • 30. 发明授权
    • Power roll conveyor with adjustable torque sensitive coupling
    • 动力辊式输送机,可调扭力敏感联轴器
    • US4832656A
    • 1989-05-23
    • US155993
    • 1988-02-16
    • Glenn T. Rado
    • Glenn T. Rado
    • F16D43/21
    • F16D43/211
    • A powered conveyor roller having a frictional coupling inside the roller drivingly connecting the roller to a drive shaft extending actually through the roller. The coupling includes a flat spring wrapped around the shaft to form a frictional engagement with a pair of split bushings disposed on the shaft and inside the spring, the opposite end of the spring being connected to the roller in such a manner that the roller is driven by the shaft up to a predetermined load on the roller but the shaft and roller rotate with respect to one another when the load exceeds a predetermined, adjusted level.
    • 具有在辊内的摩擦联接器的动力输送辊驱动地将辊连接到实际上延伸通过辊的驱动轴。 联接器包括围绕轴缠绕的扁平弹簧以与设置在轴上和内部的一对分裂衬套形成摩擦接合,弹簧的相对端以这样的方式连接到辊,使得辊被驱动 通过轴直到辊上的预定负载,但是当负载超过预定的调整水平时,轴和辊相对于彼此旋转。