| 摘要 |
A coupling device is provided with one end secured to the front end of a skate board and the other end secured to the rear axle of a baby carriage. The coupling device includes a coupler, a belt, a buckle article and a mounting block. The coupler is divided into two halves. Both ends of each half are provided with screwing holes. Two halves of the coupler are screwed to the rear axle of a baby carriage, the mounting block is screwed to the front end of a skate board, and one end of the belt is connected with the buckle article. After being penetrated through the buckle ring of the mounting block and encircling the center of the coupler, the other end of the belt is penetrated through the buckle article and fastened by the pressing piece of the buckle article.
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