DK302589A - Gravemaskinegrab - Google Patents

Gravemaskinegrab Download PDF

Info

Publication number
DK302589A
DK302589A DK302589A DK302589A DK302589A DK 302589 A DK302589 A DK 302589A DK 302589 A DK302589 A DK 302589A DK 302589 A DK302589 A DK 302589A DK 302589 A DK302589 A DK 302589A
Authority
DK
Denmark
Prior art keywords
excavator grab
excavator
grab
Prior art date
Application number
DK302589A
Other languages
English (en)
Other versions
DK302589D0 (da
DK172593B1 (da
Inventor
Harm Bakker
Hendrikus Adrianus M Thielking
Original Assignee
Bakker Hydraulic
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19852505&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK302589(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bakker Hydraulic filed Critical Bakker Hydraulic
Publication of DK302589D0 publication Critical patent/DK302589D0/da
Publication of DK302589A publication Critical patent/DK302589A/da
Application granted granted Critical
Publication of DK172593B1 publication Critical patent/DK172593B1/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Manipulator (AREA)
  • Earth Drilling (AREA)
  • Jigs For Machine Tools (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
DK302589A 1988-06-22 1989-06-19 Gravemaskinegrab DK172593B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8801591 1988-06-22
NL8801591A NL8801591A (nl) 1988-06-22 1988-06-22 Knijperbak.

Publications (3)

Publication Number Publication Date
DK302589D0 DK302589D0 (da) 1989-06-19
DK302589A true DK302589A (da) 1989-12-23
DK172593B1 DK172593B1 (da) 1999-02-08

Family

ID=19852505

Family Applications (1)

Application Number Title Priority Date Filing Date
DK302589A DK172593B1 (da) 1988-06-22 1989-06-19 Gravemaskinegrab

Country Status (5)

Country Link
EP (1) EP0348010B1 (da)
DE (1) DE68917805T2 (da)
DK (1) DK172593B1 (da)
ES (1) ES2058474T3 (da)
NL (1) NL8801591A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5297831A (en) * 1991-07-23 1994-03-29 Bakker Hydraulic B.V. Pincer grab
DE4219352C2 (de) * 1992-06-12 1995-01-05 Alfred Kinshofer Zweischalengreifer
CN105060110B (zh) * 2015-07-26 2016-12-07 南通乐士机械有限公司 一种定力矩抓斗

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622915A (en) * 1950-03-24 1952-12-23 Horn Mfg Company Grapple fork
DE1127560B (de) * 1959-08-27 1962-04-12 Alfawerk Foerderanlagen G M B Hydraulischer Greifer
FR1354668A (fr) * 1963-04-17 1964-03-06 Schwermaschb Kirow Veb Coude articulé, en particulier pour bennes preneuses électro-hydrauliques
US3641689A (en) * 1969-07-07 1972-02-15 Billings R O Hydraulically actuated clamshell buckets
DE2536709A1 (de) * 1975-08-18 1977-03-03 Alfred Kinshofer Zweischalengreifer
US4405167A (en) * 1981-03-02 1983-09-20 Alfred Kinshofer Clamshell

Also Published As

Publication number Publication date
DK302589D0 (da) 1989-06-19
DE68917805T2 (de) 1995-01-05
EP0348010A1 (en) 1989-12-27
DK172593B1 (da) 1999-02-08
ES2058474T3 (es) 1994-11-01
EP0348010B1 (en) 1994-08-31
NL8801591A (nl) 1990-01-16
DE68917805D1 (de) 1994-10-06

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

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