发明名称 Toy trackway
摘要 A toy trackway featuring a platform having an upper level and a lower level, the upper level provided with a trackway terminating at each end in a locking member, the lower level provided with two trackways each terminating in a locking member, and two flexible trackways, each terminating in locking members for engagement with the locking members of the trackways of the upper and lower levels of the platform, thus permitting one of the locking members of each of the flexible trackways to be attached to the locking members of the trackway of the upper level and the other of the locking members of each of the flexible trackways to be attached to the locking members of the trackways of the lower level either on the same side of the platform or on opposite sides of the platform.
申请公布号 US4146991(A) 申请公布日期 1979.04.03
申请号 US19770763517 申请日期 1977.01.28
申请人 TOMY KOGYO CO., INC. 发明人 SANO, HIROSHI
分类号 A63H18/02;(IPC1-7):A63H18/06 主分类号 A63H18/02
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