DE602005019027D1 - Device for opening and closing a gripper pair - Google Patents

Device for opening and closing a gripper pair

Info

Publication number
DE602005019027D1
DE602005019027D1 DE602005019027T DE602005019027T DE602005019027D1 DE 602005019027 D1 DE602005019027 D1 DE 602005019027D1 DE 602005019027 T DE602005019027 T DE 602005019027T DE 602005019027 T DE602005019027 T DE 602005019027T DE 602005019027 D1 DE602005019027 D1 DE 602005019027D1
Authority
DE
Germany
Prior art keywords
pair
closing
load lifters
opening
pivotably
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.)
Active
Application number
DE602005019027T
Other languages
German (de)
Inventor
Gemert John Van
Patrick Grant
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.)
Caterpillar Work Tools BV
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
Publication of DE602005019027D1 publication Critical patent/DE602005019027D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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

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.
DE602005019027T 2005-04-14 2005-04-14 Device for opening and closing a gripper pair Active DE602005019027D1 (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
DE602005019027D1 true DE602005019027D1 (en) 2010-03-11

Family

ID=34982596

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005019027T Active DE602005019027D1 (en) 2005-04-14 2005-04-14 Device for opening and closing a gripper pair

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
AU2602888A (en) * 1987-10-19 1989-05-23 Hiab-Foco Ab Crane-mounted implement

Also Published As

Publication number Publication date
EP1712512A1 (en) 2006-10-18
DK1712512T3 (en) 2010-05-17
ATE455724T1 (en) 2010-02-15
EP1712512B1 (en) 2010-01-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition