发明名称 Bicycle for beginners - has demountable transmission and lower foot support for use scooter
摘要 The learning bicycle has a simple frame with no upper crossbar and with a foot support platform (2) on the lower frame. This enables the machine to be used as a scooter. When the user has obtained confidence and balance, the transmission can be clipped into place and the machine used as a bicycle. The crankwheel, pedals, chain and chain guard are fitted as one unit to prepared mountings. The saddle and handlebars are height adjustable between bicycle- and scooter use. ADVANTAGE - Dual purpose machine, simple learning system.
申请公布号 DE3936317(A1) 申请公布日期 1991.05.02
申请号 DE19893936317 申请日期 1989.11.01
申请人 DOLD, TOBIAS, 7745 SCHONACH, DE 发明人 DOLD, TOBIAS, 7745 SCHONACH, DE
分类号 B62K3/00;B62M1/00;B62M9/02 主分类号 B62K3/00
代理机构 代理人
主权项
地址