DK1712512T3 - Apparatus for opening and closing a pair of load lifters - Google Patents

Apparatus for opening and closing a pair of load lifters

Info

Publication number
DK1712512T3
DK1712512T3 DK05252326.3T DK05252326T DK1712512T3 DK 1712512 T3 DK1712512 T3 DK 1712512T3 DK 05252326 T DK05252326 T DK 05252326T DK 1712512 T3 DK1712512 T3 DK 1712512T3
Authority
DK
Denmark
Prior art keywords
pair
load lifters
lifters
load
closing
Prior art date
Application number
DK05252326.3T
Other languages
Danish (da)
Inventor
Gemert John Van
Patrick Grant
Original Assignee
Caterpillar Work Tools Bv
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 Caterpillar Work Tools Bv filed Critical Caterpillar Work Tools Bv
Application granted granted Critical
Publication of DK1712512T3 publication Critical patent/DK1712512T3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/425—Gripping members engaging only the external or internal surfaces of the articles motor actuated
    • B66C1/427—Gripping members engaging only the external or internal surfaces of the articles motor actuated by hydraulic or pneumatic motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The present invention provides an apparatus for opening and closing a pair of load lifters pivotably mountable on a support frame comprising a ram assembly pivotably connectable to each of said pair of load lifters; a pivot arm pivotably mountable on the support frame and disposed between said pair of load lifters; a first link pivotably connectable between one of said pair of load lifters and a first location on the pivot arm; and a second link pivotably connectable between the other one of said pair of load lifters and a second location on the pivot arm; wherein actuation of the ram assembly causes said pair of load lifters to open and close.
DK05252326.3T 2005-04-14 2005-04-14 Apparatus for opening and closing a pair of load lifters DK1712512T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05252326A EP1712512B1 (en) 2005-04-14 2005-04-14 Apparatus for opening and closing a pair of load lifters

Publications (1)

Publication Number Publication Date
DK1712512T3 true DK1712512T3 (en) 2010-05-17

Family

ID=34982596

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05252326.3T DK1712512T3 (en) 2005-04-14 2005-04-14 Apparatus for opening and closing a pair of load lifters

Country Status (4)

Country Link
EP (1) EP1712512B1 (en)
AT (1) ATE455724T1 (en)
DE (1) DE602005019027D1 (en)
DK (1) DK1712512T3 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU770996A1 (en) * 1978-07-11 1980-10-15 Волжско-Камский Научно-Исследовательский И Конструкторско-Технологический Институт Водного Лесотранспорта Hydraulic clamshell
WO1981000396A1 (en) * 1979-08-09 1981-02-19 Caterpillar Tractor Co Grapple head arrangement
WO1989003800A1 (en) * 1987-10-19 1989-05-05 Hiab-Foco Ab Crane-mounted implement

Also Published As

Publication number Publication date
EP1712512A1 (en) 2006-10-18
ATE455724T1 (en) 2010-02-15
DE602005019027D1 (en) 2010-03-11
EP1712512B1 (en) 2010-01-20

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