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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||052/098; 052/295; 403/002; 403/186|
|발명자 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 17 인용 특허 : 0|
An upright standard assembly for failing when subjected to horizontal impact forces while solidly supporting an upright standard under normal conditions. The assembly includes a generally vertical standard, a base member, a connection member to releasably attach the standard to the base member, at least one fracture initiating slot formed in the coupling body, and a washer having one or more teeth formed therein for receipt by the fracture-initiating slot(s) of the coupling body. The washer is made of harder material than the coupling body, and has a smo...
1. An upright standard assembly comprising the combination of a. a generally vertical standard, b. a base member, c. a connection member, d. means affixed to one of said base member or said standard for receiving said connection member to releasably attach said standard to said base member, and having a generally vertical axis of connection extending through said connection member, said means comprising i. coupling means for receiving said connection member and for fracturing radially with respect to said axis of connection in response to an impa...