|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||256/065 ; 256/059 ; 256/067 ; 211/208|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 19 인용 특허 : 15|
A group of posts, rails, right and left side L shaped post to rail connectors, base plates, and toeboard holding plates to allow temporary or permanent installation of a safety guard rail system with two or more guard rails that may be used as a guard rail on stairways or on flat surfaces. Installation may be by one man using only tools necessary to fasten base plates to a surface. The same group of parts can be used to form rectangular, square, or odd shaped scaffolds with or without toe board holders.
[ What is claimed is:] [1.] A multipurpose reusable rail assembly comprising:a) multiple posts with a C shaped cross section, said posts having multiple evenly spaced downward slanted openings along each edge of a longer side of said C shaped cross section;b) right side and left side post connector plates; each of said right side and said left side post connector plates having projection means that slidably fit into a minimum of two of said multiple evenly spaced downward slanted openings in said C shaped posts with said projection means being so shaped ...