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发明名称
自行车底部正置传动装置
摘要
一种适合于新型自行车的自行车底部正置传动装置,改变了原A字型框架、变成了带亮窗的门框型框架,中轴牙盘固定在中轴上,用轴承固定在框架亮窗的两边框管上,形成了两个人抬一个力,非常轻松,解决了原先中轴牙盘在框架外的用力不均,累和慢的问题,能节省力1/3,快1/3;况且还解决了原来自行车的碰链盒子及弄脏裤子的现象,因为链盒子在框架的里面,再说用此框架做出的车架非常结实,因为此框架有框顶管、框连接管和边框管相连接。用此传动装置能造出整套的、多种多样的系列自行车来。
申请公布号
CN2745851Y
申请公布日期
2005.12.14
申请号
CN03205501.3
申请日期
2003.07.29
申请人
欧阳文秀
发明人
欧阳文秀
分类号
B62M9/02
主分类号
B62M9/02
代理机构
代理人
主权项
1、一个带亮门型框架的自行车底部正置传动装置,其特征是:框架分框架顶、框架连接杆、两边框架、亮子在框顶和框架连接杆之间,亮子边框中央平行处各钻有两个眼,中轴牙盘在中轴上固定,边框底部各有一个长口,供自行车后轴进入。
地址
300450天津市塘沽区信阳里10栋2门602
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