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发明授权
US07041024B2 Step down gear train, more specifically for an adjusting device of a motor vehicle seat 失效
减速齿轮系，更具体地说是用于机动车辆座椅的调节装置

Step down gear train, more specifically for an adjusting device of a motor vehicle seat
摘要：
A step down gear train, more specifically for an adjusting device of a motor vehicle seat, comprising an output shaft (22) rotating about an output axis (34), a pinion (20) that is connected to the output shaft (22), a housing (24) that comprises a housing portion (26) which is located in immediate proximity to the pinion (20) and has a passageway (28) for the output shaft (22), a first fixed gear wheel having external teeth that is connected to the housing portion (26) and comprises a bearing hole (32) which is centered on the output axis (34), a second gear wheel having external teeth that is connected to the pinion (20) and comprises a bearing protrusion (38) which is adapted to mate with the bearing hole (32), a cam gear (39) having internal teeth that meshes with both the first and the second gear wheel (30, 36), that has a gear axis which is offset an eccentricity value e relative to the output axis (34), that has a bearing hole (44) which is adapted to mate with the output shaft (22) and has the same axis as the output shaft (22) and an input shaft (52) that is in direct or indirect rotating communication with the cam gear (39).
摘要（中）：

一种降档齿轮系，更具体地涉及一种机动车辆座椅的调节装置，包括围绕输出轴线（34）旋转的输出轴（22），连接到输出轴（22）的小齿轮（20） 壳体（24），其包括位于紧邻小齿轮（20）并且具有用于输出轴（22）的通道（28）的壳体部分（26），具有外齿的第一固定齿轮 连接到所述壳体部分（26）并且包括以输出轴线（34）为中心的轴承孔（32），具有连接到所述小齿轮（20）的外部齿轮的第二齿轮，并且包括轴承突起（38） ），其适于与所述轴承孔（32）配合，具有与所述第一和第二齿轮（30,36）两者啮合的内齿的凸轮齿轮（39），所述凸轮齿轮具有偏心偏心的齿轮轴 相对于输出轴线（34）的值e，其具有轴承孔（44） 适于与输出轴（22）配合并且具有与输出轴（22）相同的轴线以及与凸轮齿轮（39）直接或间接旋转连通的输入轴（52）。

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