DE1919726C2 - Hebevorrichtung - Google Patents

Hebevorrichtung

Info

Publication number
DE1919726C2
DE1919726C2 DE1919726A DE1919726A DE1919726C2 DE 1919726 C2 DE1919726 C2 DE 1919726C2 DE 1919726 A DE1919726 A DE 1919726A DE 1919726 A DE1919726 A DE 1919726A DE 1919726 C2 DE1919726 C2 DE 1919726C2
Authority
DE
Germany
Prior art keywords
lifting
boom
frame
lifting boom
lifting device
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
DE1919726A
Other languages
German (de)
English (en)
Other versions
DE1919726A1 (de
Inventor
Herbert Frank Hammilton Cheltenham Gloucestershire Blatchly
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.)
POST OFFICE LONDON GB
Original Assignee
POST OFFICE LONDON GB
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 POST OFFICE LONDON GB filed Critical POST OFFICE LONDON GB
Publication of DE1919726A1 publication Critical patent/DE1919726A1/de
Application granted granted Critical
Publication of DE1919726C2 publication Critical patent/DE1919726C2/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
    • B66F19/005—Lifting devices for manhole covers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
DE1919726A 1968-07-01 1969-04-18 Hebevorrichtung Expired DE1919726C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31281/68A GB1268352A (en) 1968-07-01 1968-07-01 Improvements in or relating to lifting devices

Publications (2)

Publication Number Publication Date
DE1919726A1 DE1919726A1 (de) 1970-03-05
DE1919726C2 true DE1919726C2 (de) 1982-10-21

Family

ID=10320777

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1919726A Expired DE1919726C2 (de) 1968-07-01 1969-04-18 Hebevorrichtung

Country Status (4)

Country Link
US (1) US3627157A (enrdf_load_stackoverflow)
DE (1) DE1919726C2 (enrdf_load_stackoverflow)
FR (1) FR2012099A1 (enrdf_load_stackoverflow)
GB (1) GB1268352A (enrdf_load_stackoverflow)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043403A (en) * 1976-03-23 1977-08-23 Chromalloy American Corporation Agricultural implement frame elevating mechanism
US4317489A (en) * 1978-11-27 1982-03-02 Deere & Company Ground-working implement and lift linkage therefor
FR2497185A1 (fr) * 1980-12-31 1982-07-02 Girardot Bernard Dispositif pour decoller, soulever et deplacer un objet dispose a plat
DE3148385A1 (de) * 1981-12-07 1983-06-09 Max 8200 Rosenheim Haas Wagenheber od.dgl. mit scherenartig angeordneten stuetzschenkeln
FR2528817A1 (fr) * 1982-06-16 1983-12-23 Lafeuille Marc Dispositif de levage de plaque
GB2136363B (en) * 1983-03-16 1986-09-17 Petroleum Equipment Trading Co Trolley
AT380044B (de) * 1983-06-06 1986-03-25 Koessler Johann Abschluss fuer schaechte, z.b. auf fahrbahnen und schluessel hiefuer
US5387058A (en) * 1993-03-31 1995-02-07 Smoot Company Airlift railcar discharge adaptor
US5575595A (en) * 1993-03-31 1996-11-19 Smoot Co. Low profile parallel railcar discharge adaptor
GB2311055B (en) * 1996-03-19 1999-05-12 Westside Investments Limited A manhole cover lifter
US6554086B1 (en) 2000-10-27 2003-04-29 Invacare Corporation Obstacle traversing wheelchair
GB2370560B (en) * 2000-11-16 2004-11-17 T W Engineering Co Ltd Lifting device
US7040429B2 (en) 2001-10-10 2006-05-09 Invacare Corporation Wheelchair suspension
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
US7293801B2 (en) 2003-08-18 2007-11-13 Invacare Corporation Self-stabilizing suspension for wheeled vehicles
US7896394B2 (en) * 2005-08-18 2011-03-01 Sunrise Medical Hhg, Inc. Midwheel drive wheelchair with independent front and rear suspension
US8272461B2 (en) 2007-02-08 2012-09-25 Invacare Corporation Wheelchair suspension
CA2911675C (en) 2007-02-14 2018-09-18 Invacare Corporation Stability control system
CA2775916C (en) 2009-10-09 2015-02-03 Invacare Corporation Wheelchair suspension
US8851214B2 (en) 2010-07-15 2014-10-07 Permobil Ab Electric mid-wheel drive wheelchair
US9290370B1 (en) 2010-09-13 2016-03-22 Hlbp Design Corp. Hydraulic lifting apparatus
US9725289B2 (en) 2010-09-13 2017-08-08 Hlbp Design Corp. Hydraulic lifting apparatus
US8939434B2 (en) * 2011-06-14 2015-01-27 Timothy Selby Method and device for removal of vertical manway cover
CA2864124C (en) 2012-02-15 2022-03-01 Invacare Corporation Wheelchair suspension
US9301444B2 (en) * 2014-05-02 2016-04-05 Deere & Company Rotary cutting deck height of cut adjustment mechanism
CN109941892B (zh) * 2019-03-29 2020-04-10 林向亮 一种市政雨水箅子提起装置
CN110040670B (zh) * 2019-05-14 2024-05-31 济南热力集团有限公司 一种用于管道井盖开启的便携式液压装置
CA3173043A1 (en) 2020-02-25 2021-09-02 Invacare Corporation Wheelchair and suspension systems

Also Published As

Publication number Publication date
DE1919726A1 (de) 1970-03-05
FR2012099A1 (enrdf_load_stackoverflow) 1970-03-13
GB1268352A (en) 1972-03-29
US3627157A (en) 1971-12-14

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Legal Events

Date Code Title Description
OF Willingness to grant licences before publication of examined application
D2 Grant after examination
8339 Ceased/non-payment of the annual fee