[특허]Extension support unit

Extension support unit 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E04H-012/18
출원번호	US-0611527 (1990-11-13)
우선권정보	JP-0301884 (1989-11-22)
발명자 / 주소	Atsukawa Masumi (Tokyo JPX)
출원인 / 주소	K & M Enterprise Co., Ltd. (JPX 03)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

The extensible support pole unit having a simple structure including a plurality of shaped members, e.g., cylindrical bodies, band-like plates having, e.g., an arched cross-sectional shape, a band-like plate feed mechanism, and a driving device. The support pole is extended to stand or retracted by only paying out or winding up the band-like plates. The support pole can therefore be extended to a length freely selected, and it is possible to freely set a large extension ratio by selecting the length of each cylindrical body and the number of cylindrical bodies. The band-like plates have, for example, an arched cross-sectional shape and have properties such as to be strong against the vertical load as compared with flat plates. The band-like plates are retained in the guide slits or guide holes formed in the partition members disposed in the cylindrical bodies to further improving the above properties. With respect to the lateral load, the material, the diameter, the thickness of each cylindrical body, and the area of the connection portion of each cylindrical body are selected to maintain a sufficient strength. The influence of the lateral load upon the band-like plates is therefore negligible.

대표청구항 ▼

An extension support unit having an extendable support pole formed by connecting a plurality of cylindrical bodies having different diameters, each of said cylindrical bodies having a smaller diameter being closely and movably inserted into another one of said cylindrical bodies having a larger-diameter, said smaller-diameter cylindrical body having a lower end outside diameter larger than an upper end inside diameter of said larger-diameter cylindrical body, said extension support unit comprising: a) a partition member disposed in each of said cylindrical bodies, said partition member extending in a transverse direction of said cylindrical bodies, a top cover being provided on an uppermost end of one of said cylindrical bodies having the smallest diameter and located at the top of said support pole, one of said cylindrical bodies having the largest diameter located at a lowermost end of said support pole being made to stand on a machine chamber; b) said partition member of each cylindrical body having at least one guide slit having an arched shape formed of a straight line or a curved line; c) said machine chamber having at least one wind-up roll for winding up a band-like plate having an arched cross-sectional shape coinciding with said slit, at least one band-like plate feed mechanisms for paying out and drawing back said band-like plate by pinching same, and a device for driving said mechanisms; d) said band-like plate having an arched sectional shape being made to pass through said guide slit having an arched sectional shape and formed in each of said partition members, said band-like plate being connected at its upper end to said top cover or a bottom portion of said cylindrical body having the smallest diameter and located at the uppermost end of said support pole; e) said support pole being extended by rotating said band-like plate feed mechanism in a normal direction to pay out said band-like plate from said wind-up roll and to thereby lift said smallest-diameter cylindrical body located uppermost end of said support pole, by drawing up the second cylindrical body circumscribed about said smallest-diameter cylindrical body with the upward movement of said smallest-diameter cylindrical body, and by successively drawing up each larger-diameter cylindrical body with the smaller-diameter cylindrical body in this manner; and f) said support pole being contracted by rotating said band-like plate feed mechanism in a reverse direction to draw back said band-like plate previously paid out, to wind up said band-like plate around said wind-up roll and to draw down the second cylindrical body circumscribed about said smallest-diameter cylindrical body with the downward movement of said smallest-diameter cylindrical body, and by successively drawing down each larger-diameter cylindrical body with the smaller-diameter cylindrical body in this manner.

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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)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Extension support unit 원문보기

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이 특허를 인용한 특허 (31)

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