[특허]Bend-limiting apparatus for a cable

Bend-limiting apparatus for a cable 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G02B-006/44
출원번호	US-0282936 (1994-07-29)
발명자 / 주소	Lampert Norman R. (Norcross GA)
출원인 / 주소	AT&T IPM Corp. (Coral Gables FL 02)
인용정보	피인용 횟수 : 69 인용 특허 : 0

초록 ▼

A bend-limiting apparatus 20 for attachment to an optical connector 10 has a generally cylindrical shape and includes an axial bore 28 along its central axis for holding an optical cable 30. The front end 22 of the bend-limiting apparatus attaches to the optical connector and has an outside diameter which is comparable in size to the connector. The back end of the bend-limiting apparatus has an outside diameter which is comparable in size to the optical cable. The bend-limiting apparatus is made from a flexible material which is sufficiently stiff to accommodate heavy side loads, but includes a number of grooves 23 that are exclusively positioned on its back half to accommodate light side loads. These grooves preferably extend from an outside surface 29 of the apparatus into the axial bore, and also extend in a circumferential direction at least part way around the apparatus. Such a design effectively limits the minimum bend radius of an optical cable over a wide range of side loads.

대표청구항 ▼

In combination, an optical cable joined to an optical connector and a bend-limiting device, the optical cable comprising a light-carrying fiber enclosed within a plastic buffer material; the connector comprising (i) a fiber-holding structure having an axial passageway which receives the optical fiber and which terminates in an end face that is perpendicular to the passageway, and (ii) a housing having internal surfaces that define a cavity and surround the fiber-holding structure; and the device comprising (i) a connector-engaging portion which engages the connector, (ii) an axial bore along its central axis, and (iii) a bend-limiting portion which surrounds the cable in the region where it is joined to the connector, the device being made from a flexible material which is sufficiently stiff to limit the minimum bend radius of the optical cable under heavy side loading, said bend-limiting device including a plurality of circumferential grooves that extend at least part way around the device, extend into the axial bore, and are confined to the back half of the bend-limiting portion of the device for limiting the minimum bend radius of the optical cable under light side loading.

이 특허를 인용한 특허 (69)

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Steven C. Zimmel, Fiber optic connector and method for assembling.
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Verhagen,Robert, Integrated bend limiter for fiber optic connectors.
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Wild Ronald L., Strain relief apparatus for optical connector.
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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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Bend-limiting apparatus for a cable 원문보기

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Bend-limiting apparatus for a cable 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (69)

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