| 摘要 |
Many family homes, school and municipal parks have play structures for children. Typically these playground play structures have ladders. In the case of family homes in particular, toddlers typically enjoy climbing the ladders but then are stuck at the top and in danger of falling off the ladder. In order to prevent toddlers from climbing the ladder of the play structures when unattended by an adult, and ultimately preventing injury, an invention that prevents the ladder from being climbed by a toddler is presented here. |
