최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0535046 (1983-09-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 1 |
A support platform for a ladder is disclosed which is arranged to be assembled with eight bolts by placing a platform on to a pair of straps which have hook members at either end thereof. Further, a spreader bar, that serves as a handle, is fastened across the upper portions of the straps so that th
An improved support platform for a ladder with side rails and a plurality of rungs comprising: a platform; a pair of straps at opposite ends of the platform, each strap extending from one edge thereof across the bottom of the platform and thence bent at an acute angle upwardly to a terminus; first h
※ AI-Helper는 부적절한 답변을 할 수 있습니다.