发明名称 Operation unit for toy parking tower
摘要 A toy parking set includes multiple floors and a tower is connected to the toy parking set. The tower includes an opening which is located corresponding each of the floors. A slot is defined through a wall of the tower. A box is received in the tower and a frame is fixed on the top of the box. A shaft extends through the frame and the slot of the tower. A spring is biased between the flange of the shaft and the inside of the end of the frame. The shaft extends through the box and the slot and is connected to an end member. The end member includes an engaging portion which is removably engaged with the slot. The players pull shaft to remove the engaging portion from the slot to move the box to desired floor.
申请公布号 US2011230117(A1) 申请公布日期 2011.09.22
申请号 US20100659674 申请日期 2010.03.17
申请人 HAN CHENG-HUA 发明人 HAN CHENG-HUA
分类号 A63H17/44 主分类号 A63H17/44
代理机构 代理人
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