KR930000711B1 - 크레인용 지브 확장 및 절첩 장치 - Google Patents

크레인용 지브 확장 및 절첩 장치 Download PDF

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Publication number
KR930000711B1
KR930000711B1 KR1019900006918A KR900006918A KR930000711B1 KR 930000711 B1 KR930000711 B1 KR 930000711B1 KR 1019900006918 A KR1019900006918 A KR 1019900006918A KR 900006918 A KR900006918 A KR 900006918A KR 930000711 B1 KR930000711 B1 KR 930000711B1
Authority
KR
South Korea
Prior art keywords
jib
connecting rod
groove portion
torsion
folding device
Prior art date
Application number
KR1019900006918A
Other languages
English (en)
Korean (ko)
Other versions
KR910004459A (ko
Inventor
유끼오 고이즈미
Original Assignee
가부시끼가이샤 고오베 세이꼬오쇼
가메다까 소끼찌
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 가부시끼가이샤 고오베 세이꼬오쇼, 가메다까 소끼찌 filed Critical 가부시끼가이샤 고오베 세이꼬오쇼
Publication of KR910004459A publication Critical patent/KR910004459A/ko
Application granted granted Critical
Publication of KR930000711B1 publication Critical patent/KR930000711B1/ko

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom
KR1019900006918A 1989-08-10 1990-05-15 크레인용 지브 확장 및 절첩 장치 KR930000711B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP20850489 1989-08-10
JP1-208504 1989-08-10
JP2-2055 1990-01-08
JP2002055A JPH03158393A (ja) 1989-08-10 1990-01-08 クレーンのジブ張出し、格納装置

Publications (2)

Publication Number Publication Date
KR910004459A KR910004459A (ko) 1991-03-28
KR930000711B1 true KR930000711B1 (ko) 1993-01-30

Family

ID=16557252

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900006918A KR930000711B1 (ko) 1989-08-10 1990-05-15 크레인용 지브 확장 및 절첩 장치

Country Status (2)

Country Link
JP (1) JPH03158393A (ja)
KR (1) KR930000711B1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5422367B2 (ja) * 2009-12-22 2014-02-19 株式会社加藤製作所 クレーンのジブ張出し装置
JP6295999B2 (ja) * 2015-05-14 2018-03-20 コベルコ建機株式会社 ブーム先端構造
KR102239866B1 (ko) * 2021-01-04 2021-04-14 (주)웰크론 항균성 및 내구성이 우수한 구리코팅 부직포의 제조방법

Also Published As

Publication number Publication date
JPH03158393A (ja) 1991-07-08
KR910004459A (ko) 1991-03-28

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