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发明名称
儿童自行车保护轮折叠装置
摘要
儿童自行车保护轮折叠装置,本装置上的保护轮可随时折起或放下。将蝶形螺母拧松,转动保护轮杆,把定位凸起插入定位孔中、拧紧螺母、就可实现支撑或折叠。
申请公布号
CN2048041U
申请公布日期
1989.11.22
申请号
CN87215586.2
申请日期
1987.11.21
申请人
赵序义
发明人
赵农
分类号
B62H1/12
主分类号
B62H1/12
代理机构
代理人
主权项
一种儿童自行车保护轮装置,它是由:定位板(2)、定位凸起(4)、紧固螺钉(5)、蝶形螺母(1)、定位孔(6)、(7)、保护轮支撑杆(10)组成,其特征在于将定位凸起(4)插入定位孔(6)或(7)中,旋紧蝶形螺母(1)。
地址
北京市邮电学院南五楼五单元5521号
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