JPWO2020246577A1 - - Google Patents

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Publication number
JPWO2020246577A1
JPWO2020246577A1 JP2021524922A JP2021524922A JPWO2020246577A1 JP WO2020246577 A1 JPWO2020246577 A1 JP WO2020246577A1 JP 2021524922 A JP2021524922 A JP 2021524922A JP 2021524922 A JP2021524922 A JP 2021524922A JP WO2020246577 A1 JPWO2020246577 A1 JP WO2020246577A1
Authority
JP
Japan
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Application number
JP2021524922A
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JP7380686B2 (ja
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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
    • B66C23/62—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
    • B66C23/707—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic guiding devices for telescopic jibs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
JP2021524922A 2019-06-07 2020-06-05 伸縮ブーム及び作業機 Active JP7380686B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019107397 2019-06-07
JP2019107397 2019-06-07
PCT/JP2020/022272 WO2020246577A1 (ja) 2019-06-07 2020-06-05 伸縮ブーム及び作業機

Publications (2)

Publication Number Publication Date
JPWO2020246577A1 true JPWO2020246577A1 (ja) 2020-12-10
JP7380686B2 JP7380686B2 (ja) 2023-11-15

Family

ID=73653312

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021524922A Active JP7380686B2 (ja) 2019-06-07 2020-06-05 伸縮ブーム及び作業機

Country Status (2)

Country Link
JP (1) JP7380686B2 (ja)
WO (1) WO2020246577A1 (ja)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257201A (en) * 1979-04-19 1981-03-24 American Hoist & Derrick Company Self-centering telescoping beams
JP5460027B2 (ja) * 2008-11-12 2014-04-02 株式会社神戸製鋼所 伸縮ブーム
JP2012001321A (ja) * 2010-06-17 2012-01-05 Kobe Steel Ltd 伸縮ブーム
JP5759711B2 (ja) * 2010-12-13 2015-08-05 株式会社タダノ 伸縮ブームの反力支持構造
JP5752573B2 (ja) * 2011-11-25 2015-07-22 株式会社神戸製鋼所 伸縮ブーム及び伸縮ブームの製造方法

Also Published As

Publication number Publication date
JP7380686B2 (ja) 2023-11-15
WO2020246577A1 (ja) 2020-12-10

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