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FR2018712A1 - - Google Patents

Info

Publication number
FR2018712A1
FR2018712A1 FR6928159A FR6928159A FR2018712A1 FR 2018712 A1 FR2018712 A1 FR 2018712A1 FR 6928159 A FR6928159 A FR 6928159A FR 6928159 A FR6928159 A FR 6928159A FR 2018712 A1 FR2018712 A1 FR 2018712A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6928159A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2018712A1 publication Critical patent/FR2018712A1/fr
Withdrawn legal-status Critical Current

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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
FR6928159A 1968-09-24 1969-08-18 Withdrawn FR2018712A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76791368A 1968-09-24 1968-09-24

Publications (1)

Publication Number Publication Date
FR2018712A1 true FR2018712A1 (de) 1970-06-26

Family

ID=25080952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6928159A Withdrawn FR2018712A1 (de) 1968-09-24 1969-08-18

Country Status (7)

Country Link
US (1) US3479077A (de)
JP (1) JPS4811145B1 (de)
BE (1) BE738362A (de)
DE (1) DE1943631B2 (de)
FR (1) FR2018712A1 (de)
GB (1) GB1271248A (de)
NL (1) NL6912199A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1376327A (en) * 1971-12-22 1974-12-04 Jarvis Geochemical Ltd Crane assemblies
US3985384A (en) * 1975-09-29 1976-10-12 Mcginnes Manufacturing Company Hydraulic apparatus for grab device
US4686828A (en) * 1984-01-13 1987-08-18 Dynamic Hydraulic Systems, Inc. Hydraulically operated clamshell device
US4702076A (en) * 1984-01-13 1987-10-27 Dynamic Hydraulic Systems, Inc. Hydraulically operated clam-shell device
FR2730750B1 (fr) * 1995-02-16 1997-05-09 Perrier Tp Drague a benne preneuse suspendue
US20050199316A1 (en) * 2004-03-11 2005-09-15 Logfisher Technology Pte Ltd Method of winching cut timber in a forest and a machine designed to accomplish this
CN103043530B (zh) * 2012-12-24 2014-08-13 云南云铝涌鑫铝业有限公司 用于天车的机械臂
US10174476B2 (en) * 2014-03-17 2019-01-08 Cong Ty Tnhh Phy Cuong Grab bucket of an auger
DE102017004270A1 (de) * 2017-05-03 2018-11-08 Liebherr-Werk Nenzing Gmbh Schlitzwandgreifer mit hybridem Antrieb
EP3425123B1 (de) * 2017-07-06 2021-09-01 BAUER Maschinen GmbH Ausleger für eine baumaschine
US10961084B2 (en) * 2017-08-24 2021-03-30 Taylor-Winfield Technologies, Inc. Clamshell bucket with aux-bail carriage assembly
ES3019934T3 (en) * 2021-08-12 2025-05-21 Bauer Maschinen Gmbh Gripper device and method for operating a gripper device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755946A (en) * 1952-01-02 1956-07-24 James I Bevan Clamshell earth-moving machine
US2731162A (en) * 1953-11-19 1956-01-17 Superior Separator Company Loader with self-leveling carrier

Also Published As

Publication number Publication date
GB1271248A (en) 1972-04-19
DE1943631B2 (de) 1975-10-16
BE738362A (de) 1970-02-16
US3479077A (en) 1969-11-18
NL6912199A (de) 1970-03-26
JPS4811145B1 (de) 1973-04-11
DE1943631A1 (de) 1970-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse