제목 | Safety Door Way | ||||
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분야 | 실용제품및기타발명 | 년도 | 2014 | ||
업체명 | TSUEN WAN GOVERNMENT SECONDARY SCHOOL | 등록번호 | ZL 201120195249.4 | 등록일 | 2014-12-15 |
The ??Safety Door Way?? operates by opening the door to the desired and preset angle. The door will automatically stay opened at that angle without it closing accidentally. This works due to an innovative and specially designed lath installed inside the shaft of the hinge.
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이전글 | Easy Lock with Fun |
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다음글 | Mug Blender |