GB1175021A - Extensible and Retractable Boom - Google Patents

Extensible and Retractable Boom

Info

Publication number
GB1175021A
GB1175021A GB01409/68A GB1140968A GB1175021A GB 1175021 A GB1175021 A GB 1175021A GB 01409/68 A GB01409/68 A GB 01409/68A GB 1140968 A GB1140968 A GB 1140968A GB 1175021 A GB1175021 A GB 1175021A
Authority
GB
United Kingdom
Prior art keywords
boom
extensible
implement
retractable boom
march
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
GB01409/68A
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of GB1175021A publication Critical patent/GB1175021A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/306—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with telescopic dipper-arm or boom

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Shovels (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

1,175,021. Shovel-carrying boom. DEERE & CO. 8 March, 1968 [9 March, 1967], No. 1l409/68. Headin E1F. In an implement-carrying telescopic boom structure an actuator for operating an implement carried on a beam 26 telescoping within a boom portion 20 is secured at 61 to a member 27 so mounted on the boom as to be slidable longitudinally thereof. Preferably the member and the beam are connected together adjacent the implement.
GB01409/68A 1967-03-09 1968-03-08 Extensible and Retractable Boom Expired GB1175021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US621983A US3390794A (en) 1967-03-09 1967-03-09 Extensible and retractable boom

Publications (1)

Publication Number Publication Date
GB1175021A true GB1175021A (en) 1969-12-23

Family

ID=24492469

Family Applications (1)

Application Number Title Priority Date Filing Date
GB01409/68A Expired GB1175021A (en) 1967-03-09 1968-03-08 Extensible and Retractable Boom

Country Status (5)

Country Link
US (1) US3390794A (en)
DE (2) DE1708560A1 (en)
ES (1) ES351317A1 (en)
FR (1) FR1564061A (en)
GB (1) GB1175021A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688930A (en) * 1971-04-05 1972-09-05 John F Shumaker Extensible dipper stick for backhoe
US3796331A (en) * 1972-04-06 1974-03-12 Gulf Oil Corp Apparatus for mechanically gathering or collecting various commodities, refuse or the like
SE385209B (en) * 1974-10-08 1976-06-14 Hiab Foco Ab PROGRAMMABLE HYDRAULIC LOAD CRANE
DE2524265C2 (en) * 1975-05-31 1984-08-23 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Telescopic tube guide
US4142308A (en) * 1978-03-01 1979-03-06 Northwest Engineering Company Linkage mechanism for digging implement
DE3575755D1 (en) * 1985-12-23 1990-03-08 Komatsu Mfg Co Ltd DEVICE FOR DRIVING THE WORK TOOL OF AN EXCAVATOR.
US4677772A (en) * 1986-01-09 1987-07-07 Aldo Morelli Excavator with extensible boom
US5267824A (en) * 1989-04-26 1993-12-07 Kabushiki Kaisha Japanic Tool controlling mechanisms for excavator with telescopic arm
CA2014164C (en) * 1989-04-26 1995-12-12 Mitsuhiro Kishi Excavator with extendable outer arm including synchronizing movements for the bucket tilting actuator
US5074063A (en) * 1989-06-02 1991-12-24 Pella Engineering & Reseach Corporation Undercut trenching machine
FR2652599B1 (en) * 1989-10-02 1992-11-13 Souchon Maurice MOTORIZED EARTHMOVING MACHINE WITH TELESCOPIC BOOM.
US5176491A (en) * 1991-06-18 1993-01-05 Case Corporation Overcenter backhoe apparatus
US6726437B2 (en) 2002-02-08 2004-04-27 Clark Equipment Company Telescoping loader lift arm
US11053666B2 (en) 2017-03-23 2021-07-06 Clark Equipment Company Cylinder in boom
US10066363B1 (en) * 2017-07-13 2018-09-04 Cnh Industrial America Llc Wear pad system
CN110847262A (en) * 2019-11-14 2020-02-28 穆特科技（武汉）股份有限公司 Front end structure of telescopic box type carrier bar

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140785A (en) * 1963-03-07 1964-07-14 Ware Machine Works Inc Backhoe
US3140000A (en) * 1963-03-07 1964-07-07 Ware Machine Works Inc Backhoe

Also Published As

Publication number Publication date
US3390794A (en) 1968-07-02
ES351317A1 (en) 1969-06-01
FR1564061A (en) 1969-04-18
DE1708560A1 (en) 1971-05-13
DE1988187U (en) 1968-06-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees