[특허]Safety anchor for use with slotted beams

Safety anchor for use with slotted beams 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E04G-021/32 A62B-035/00
출원번호	US-0549053 (1990-07-06)
발명자 / 주소	Olsen Gene E. (Cokato MN) Camp Marlin H. (Cokato MN) Schwab Gary L. (Cokato MN) Blood Ivan L. (Minnetonka MN)
출원인 / 주소	Machining & Welding By Olsen, Inc. (02)
인용정보	피인용 횟수 : 43 인용 특허 : 0

초록 ▼

A safety anchor including a pair of rectangular plates connected by a spring-loaded hinge assembly which normally biases the plates toward one another in a completely folded configuration. Each plate defines an aperture aligned with the opposing aperture when the plates are completely folded together. A double locking safety hook may be clipped through the apertures, and prevents the plates from being unfolded. Each plate includes a retention post fixedly attached thereto and extending outwardly beyond the rear edge of the associated plate. Each retention post has an enlarged head with two flat surfaces. The flat surfaces may be aligned with the slot in the beam and inserted therethrough into a recessed cavity when the plates are completely unfolded. When the plates are then folded together, the retention posts rotate relative to the slot and the enlarged heads become engagingly retained within the recessed cavity and behind the narrower slot. The spaced-apart retention posts prevent rotation or rocking of the safety anchor. During a fall, the plates of the safety anchor will cam against the face of the beam, and the hinge assembly will bear no load. Once the safety link is detached, the safety anchor may be removed and remounted on another beam using only one hand. The safety anchor is particularly suited for use with horizontal slotted beams and associated components utilized in erecting concrete pouring forms of the type referred to as “flying forms.

대표청구항 ▼

A safety anchor for engagingly and removably mounting on a beam, said beam having a generally planar face with a facial opening and a recessed cavity behind al opening, said facial opening having a height and said recessed cavity having a height greater than said height of said facial opening, said safety anchor comprising: a first plate, said first plate defining a first aperture extending therethrough; a second plate, said second plate defining a second aperture extending therethrough, said second plate being operatively connected to said first plate such that said second plate and said first plate may be selectively pivoted between a folded configuration in which said first aperture of said first plate is generally aligned with and closely confronting said second aperture of said second plate and an unfolded configuration; and retention means for engagingly and removably mounting the safety anchor on the beam, said retention means including a pair of retention posts, a first one of said pair of retention posts being connected to and extending from said first plate and a second one of said pair of retention posts being connected to and extending from said second plate, at least a portion of each of said pair of retention posts being removably receivable through the facial opening of the beam when the first plate and the second plate are in the unfolded configuration, and at least a portion of each of said pair of retention posts being engagingly retained within the recessed cavity when the first plate and the second plate are in the folded configuration and the safety anchor is mounted on the beam.

이 특허를 인용한 특허 (43)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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연합인증

Safety anchor for use with slotted beams 원문보기

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대표청구항 ▼

연구과제 타임라인

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Safety anchor for use with slotted beams 원문보기

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이 특허를 인용한 특허 (43)

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