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    • 5. 发明专利
    • Gear structure
    • 齿轮结构
    • JP2014069408A
    • 2014-04-21
    • JP2012216673
    • 2012-09-28
    • Nitto Denko Corp日東電工株式会社
    • NAKABAYASHI KATSUYUKIODA TAKASHIONO HIROBUMIMATSUOKA YUSUKE
    • B29C47/36
    • B29C47/0021B29C47/0059B29C47/0064B29C47/065B29C47/08B29C47/6068
    • PROBLEM TO BE SOLVED: To provide a gear structure which can manufacture efficiently a wide sheet from a composition including a resin component.SOLUTION: A gear structure 4 comprises three gear pairs (21, 22, 23) and a casing 31 to store the gear pairs, each of the three gear pairs consists of a pair of gears, and each of the pair of gears has oblique teeth 35 engaging with each other. The oblique teeth 35 are aligned to be adjacent in the rotation axis direction and include first oblique teeth 36 and second oblique teeth 37, tooth traces of which are different to each other. The tooth traces of the first oblique teeth 36 and the second oblique teeth 37 are inclined to the outside in the rotation axis direction as they proceed from the downstream side of the gear rotation direction to the upper stream side of the rotation direction. The casing 31 includes a storage space to store a pair of gears so as to form a closed space 74 between the oblique teeth 35 and the inner surface of the casing 31. The three gear pairs (21, 22, 23) are arranged to face each other in the carrying direction.
    • 要解决的问题:提供一种能够从包括树脂部件的组合物有效地制造宽片材的齿轮结构。解决方案:齿轮结构4包括三个齿轮对(21,22,23)和壳体31,用于存储齿轮 三个齿轮对中的每一个由一对齿轮组成,并且一对齿轮中的每一个齿轮具有彼此接合的倾斜齿35。 倾斜齿35在旋转轴线方向上排列成相邻,并且包括第一倾斜齿36和第二倾斜齿37,第二倾斜齿37的齿迹彼此不同。 第一斜齿36和第二倾斜齿37的齿迹从齿轮旋转方向的下游侧向旋转方向的上游侧向旋转轴方向的外侧倾斜。 壳体31包括用于存储一对齿轮的存储空间,以在倾斜齿35和壳体31的内表面之间形成封闭空间74.三个齿轮对(21,22,23)布置成面对 彼此在传送方向。