EP0325889B1 - Spreader device - Google Patents

Spreader device Download PDF

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Publication number
EP0325889B1
EP0325889B1 EP19880730285 EP88730285A EP0325889B1 EP 0325889 B1 EP0325889 B1 EP 0325889B1 EP 19880730285 EP19880730285 EP 19880730285 EP 88730285 A EP88730285 A EP 88730285A EP 0325889 B1 EP0325889 B1 EP 0325889B1
Authority
EP
European Patent Office
Prior art keywords
twist lock
booms
lock pin
extension
spreader
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
EP19880730285
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0325889A1 (en
Inventor
Kiyoshi C/O Sagamihara Machinery Works Izumi
Masahiko C/O Sagamihara Machinery Works Arihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP0325889A1 publication Critical patent/EP0325889A1/en
Application granted granted Critical
Publication of EP0325889B1 publication Critical patent/EP0325889B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/18—Load gripping or retaining means
    • B66F9/186—Container lifting frames

Definitions

  • the present invention relates to a spreader device for forklifts, cranes, straddle carriers and the like.
  • a spreader device having a main frame two pairs of booms inserted into said frame from the left and right ends of the spreader frame in such a way that said booms can extend and contract in the left and right directions; a right hollow connecting member and a left hollow connecting member for connecting the outer ends of each pair of said booms; twist lock pin boxes connected to the hollow connecting means; twist lock pins in said twist lock pin boxes and cylinders for the extension and contraction of said booms.
  • each boom is extended or contracted so that the distance between the right side group of the connecting member and twist lock pin box and the left side group of these is adjusted to the length of each container.
  • the GB-A-1 328 101 shows adjustment frames comprising a transverse element which for example is recured to the end portions of the booms. This transverse element is of a complicated structure.
  • the transverse element can be telescopic or constructed of I-beams reinforced by plates and connected to the booms by welding and strengthening plate.
  • a spreader device which can also fit containers with different widths, by using a swivel arm which is rotatable about his horizontal axis by a drive shaft.
  • the swivel arm according to this document is also provided with two rotatable trunnions to fix the containers.
  • the spreader devices according to prior art which are able to fit containers with different widths are of a complicated structure.
  • the present invention provides a spreader device for forklifts and the like carrying a container, being characterized in that said cylinders 8 for the extension and contraction of said booms 2 are disposed between the right and left connecting members 2′ and the spreader frame 1 and that two pairs of adjustment frames 3 are inserted into the right and left connecting members 2′ in such a way that said adjustment frames 3 can move in the front and back directions and that means 9 for the extension and contraction of said adjustment frames 3 are provided and that said means for the extension and contraction of said adjustment frames 3 are cylinders 9 disposed between the twist lock pin boxes 4 and the connecting members 2′ for the extension and contraction of the twist lock pin boxes.
  • the spreader device of the present invention is constructed as described above.
  • the connecting member cylinders move in the direction of extension or contraction so that the booms, connecting members and twist lock pin boxes are adjusted in the right and left directions (as indicated by the bi-directional arrow X in FIG.1) to a container to be carried.
  • the pin box cylinders are activated to move the adjustment frames and twist lock pin boxes in the front and back directions (as indicated by the bi-directional arrow Y in FIG.1) about the connecting members.
  • (1) indicates a spreader frame
  • (2′) hollow connecting members connecting the outer ends of the booms (3) two pairs of adjustment frames inserted into the connecting members (2′) in such a way that the adjustment frames can move in the front and back directions (directions indicated by the arrow Y in FIG.1), and (4) twist lock pin boxes fixed to the outer end of each of the adjustment frames (3).
  • twist lock pins located in the twist lock pin boxes, and (5) the central position of each of the twist lock pins.
  • the connecting member cylinders (8),(8) for extending and contracting the connecting members are activated so as to adjust the connecting members (2′), the adjustment frames (3) and the twist lock pin boxes (4) in the left and right directions (as indicated by the arrow X).
  • (A) indicates the length of the spreader when the pin boxes (4),(4) are extended to the right and left
  • (B) indicates the extension on one side.
  • the spreader can be used for containers of various lengths.
  • the pin box cylinders (9),(9) for the extension and contraction of the twist lock pin boxes are activated to adjust the front and rear adjustment frames (3) and the twist lock pin boxes (4) in the front and back directions (indicated by the arrow Y).
  • (C) notes the distance in the front-back direction between the pin boxes as they are in the extended positions
  • (D) shows the extension on one side.
  • the spreader device of the present invention can be adjusted to different types of containers with different lengths by activating the means for contracting and extending the booms (these means are shown as the connecting cylinders in the above embodiment by way of example) to move the connecting members and the twist lock pin boxes in the right and left directions (as indicated by the arrow X). Also, for containers with quite different widths, the means for contracting and extending the adjustment booms (these means are shown as the pin box cylinders in the above embodiment by way of example) are activated to adjust the positions of the twist lock pin boxes relatively to the connecting members in the front and back directions (as indicated by the arrow Y). In this way, the spreader device of the present invention can be used not only for containers of different lengths but also for ones with much different widths.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Load-Engaging Elements For Cranes (AREA)
EP19880730285 1988-01-05 1988-12-29 Spreader device Expired EP0325889B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58/88 1988-01-05
JP5888U JPH01106484U (enrdf_load_stackoverflow) 1988-01-05 1988-01-05

Publications (2)

Publication Number Publication Date
EP0325889A1 EP0325889A1 (en) 1989-08-02
EP0325889B1 true EP0325889B1 (en) 1992-06-17

Family

ID=11463612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880730285 Expired EP0325889B1 (en) 1988-01-05 1988-12-29 Spreader device

Country Status (3)

Country Link
EP (1) EP0325889B1 (enrdf_load_stackoverflow)
JP (1) JPH01106484U (enrdf_load_stackoverflow)
DE (1) DE3872211T2 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0636068Y2 (ja) * 1988-06-29 1994-09-21 小松フォークリフト株式会社 コンテナスプレッダ装置
US5147171A (en) * 1991-07-25 1992-09-15 Caterpillar Industrial Inc. Side shift carriage for a lift mast
SE527325C2 (sv) * 2004-07-05 2006-02-14 Elmhults Konstruktions Ab Containerok
NL2005296C2 (nl) * 2010-09-01 2012-03-05 Fred Korrel Containerklem.
CN107720532A (zh) * 2017-11-17 2018-02-23 湖州金胜豪塑料制品有限公司 一种建材用塔吊转运箱
CN109969953B (zh) * 2019-04-29 2023-09-01 西南交通大学 自动机械锁定箱体的压力组件以及箱体的吊运装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1328101A (en) * 1969-09-02 1973-08-30 Lancer Boss Ltd Lifting apparatus
DE2053507C2 (de) * 1970-10-31 1983-09-15 Hilgers Ag, 5456 Rheinbrohl Krangehänge zum Verladen verschiedenartiger genormter Container
JPS5217313A (en) * 1975-07-31 1977-02-09 Kawasaki Steel Corp Heat treated high tensile steel having tensile strength above 60 kg/mm # not requiring preheating at the welding
GB2031841A (en) * 1978-10-23 1980-04-30 Lancer Boss Ltd Load lifting frames or use with load lifting vehicles and equipment

Also Published As

Publication number Publication date
DE3872211T2 (de) 1993-05-06
JPH01106484U (enrdf_load_stackoverflow) 1989-07-18
EP0325889A1 (en) 1989-08-02
DE3872211D1 (en) 1992-07-23

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