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    • 24. 发明授权
    • Chain drive system
    • 链驱动系统
    • US4867733A
    • 1989-09-19
    • US146475
    • 1988-01-21
    • Yoshinori YamanoiHiroaki Makino
    • Yoshinori YamanoiHiroaki Makino
    • B62M9/00F16H7/06F16H55/30F16H55/06
    • B62M9/00F16H55/30F16H7/06F16H2055/306
    • A chain drive system is provided having a metallic chain and a metallic sprocket, both meshing with each other. The sprocket is constituted by a double ply or pair of members of the same radius, each having a number of teeth formed at the same pitch on the outer peripheries thereof. An elastic member is held between at least the tooth portions in the chain-mating portions of these ply members. A part of the elastic member projects radially outwardly from at least the bases of the root portions of the split-member defined sprocket to function as elastomeric buffers.The sprocket may include roller portions capable of making meshing contact with the sprocket teeth. A shaft portion supports each roller portion. Elastic rings member may be formed round the shaft portions so as to project radially outwards beyond the outer periphery of the roller portions.Portions of the elastic member may project transversely through sprocket wall openings and merge with buffer rims.Elastic tooth root buffers may be radially and laterally, relatively larger in the base portions of the tooth roots, as opposed to the lateral portions.
    • 提供链驱动系统,其具有彼此啮合的金属链和金属链轮。 链轮由相同半径的双层或一对构件构成,每个构件具有在其外周上以相同间距形成的多个齿。 弹性构件被保持在这些帘布层构件的链配合部分中的至少齿部之间。 弹性构件的一部分至少从分割构件限定链轮的根部的底部径向向外突出,用作弹性缓冲器。 链轮可以包括能够与链轮齿啮合的辊部分。 轴部分支撑每个辊部分。 弹性环构件可以形成在轴部分周围,从而径向向外突出超过辊部分的外周。 弹性构件的部分可以横向伸出通过链轮壁开口并与缓冲区边缘合并。 与侧面部分相反,弹性牙根缓冲器可以在牙根的基部中径向和横向地相对较大。