BR7303551D0 - Pau de carga escamoteavel de guindastes e processo de sua operacao - Google Patents

Pau de carga escamoteavel de guindastes e processo de sua operacao

Info

Publication number
BR7303551D0
BR7303551D0 BR3551/73A BR355173A BR7303551D0 BR 7303551 D0 BR7303551 D0 BR 7303551D0 BR 3551/73 A BR3551/73 A BR 3551/73A BR 355173 A BR355173 A BR 355173A BR 7303551 D0 BR7303551 D0 BR 7303551D0
Authority
BR
Brazil
Prior art keywords
scammable
cranes
load
scammable load
Prior art date
Application number
BR3551/73A
Other languages
English (en)
Portuguese (pt)
Inventor
R Johnston
Original Assignee
Harnischfeger Corp
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 Harnischfeger Corp filed Critical Harnischfeger Corp
Publication of BR7303551D0 publication Critical patent/BR7303551D0/pt

Links

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
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
BR3551/73A 1972-05-18 1973-05-15 Pau de carga escamoteavel de guindastes e processo de sua operacao BR7303551D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25466572A 1972-05-18 1972-05-18

Publications (1)

Publication Number Publication Date
BR7303551D0 true BR7303551D0 (pt) 1974-06-27

Family

ID=22965115

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3551/73A BR7303551D0 (pt) 1972-05-18 1973-05-15 Pau de carga escamoteavel de guindastes e processo de sua operacao

Country Status (4)

Country Link
US (1) US3795321A (cs)
JP (1) JPS5434983B2 (cs)
BR (1) BR7303551D0 (cs)
DE (1) DE2325117A1 (cs)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921819A (en) * 1974-07-26 1975-11-25 Kidde & Co Walter Boom latch mechanism
DE2638185C3 (de) * 1976-08-25 1979-10-11 O & K Orenstein & Koppel Ag, 1000 Berlin Teleskopausleger für fahrbare Krane
DE2926292A1 (de) * 1979-06-29 1981-01-08 Harnischfeger Gmbh Insbesondere mobiler teleskopauslegerkran
US4396126A (en) * 1980-11-24 1983-08-02 Harnischfeger Corporation Telescoping crane boom
US4434902A (en) 1981-03-05 1984-03-06 Fmc Corporation Apparatus for extending and retracting a manual boom section
US4514939A (en) * 1981-08-17 1985-05-07 Fmc Corporation Extensible boom with manual section stored in base
US4592474A (en) * 1981-08-17 1986-06-03 Fmc Corporation Coupling and latching mechanism for extensible boom
US4492311A (en) * 1981-08-17 1985-01-08 Fmc Corporation Coupling and latching mechanism for extensible boom
US4585132A (en) * 1984-09-10 1986-04-29 Fmc Corporation Extensible boom with manual section stored in base
US4688690A (en) * 1986-03-07 1987-08-25 Harnischfeger Corporation Method and apparatus for extending fly section of crane boom
US4927315A (en) * 1989-03-06 1990-05-22 Chevron, Inc. Vehicle lifting and towing apparatus
US4986721A (en) * 1989-08-17 1991-01-22 Eagle-Picher Industries, Inc. Extendable boom fork lift vehicle
US5865327A (en) 1989-10-24 1999-02-02 J & R Engineering Co., Inc. Hydraulic boom for gantry and the like
US6685038B1 (en) 1999-10-15 2004-02-03 J & R Engineering Company, Inc. Extendible boom with locking mechanism having equalizer arrangement
US10894699B2 (en) * 2017-08-31 2021-01-19 Stellar Industries, Inc. Lightweight crane
WO2020183686A1 (ja) * 2019-03-14 2020-09-17 株式会社タダノ 伸縮装置及びクレーン

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1217041B (de) * 1964-10-01 1966-05-18 Demag Zug Gmbh Teleskopausleger mit einem innerhalb des Auslegers angeordneten Kraftgeraet
DE1268804B (de) * 1965-09-17 1968-05-22 Beteiligungs & Patentverw Gmbh Teleskopausleger
JPS4427626Y1 (cs) * 1966-03-30 1969-11-18
JPS4518821Y1 (cs) * 1967-03-03 1970-07-31
US3386594A (en) * 1967-05-08 1968-06-04 Grove Mfg Company Method of and apparatus for extending a telescopic crane boom
US3591016A (en) * 1967-07-19 1971-07-06 Tadano Tekkosho Kk Boom extension means having more than three boom extension members for use with a truck crane
CH476625A (de) * 1967-12-22 1969-08-15 Warner Swasey Co Teleskopischer hydraulisch ausfahrbarer Ladebaum für einen Kran, und Verfahren zum Betrieb des Ladebaumes
US3633460A (en) * 1968-12-13 1972-01-11 Tadano Tekkosho Kk Extension means of a multistage extensible boom

Also Published As

Publication number Publication date
JPS5434983B2 (cs) 1979-10-30
US3795321A (en) 1974-03-05
JPS4955048A (cs) 1974-05-28
DE2325117A1 (de) 1973-12-06

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