FR2272948A1 - Multi-stage lifting jack - has supporting head locked at max height while lowering jack for reengagement - Google Patents

Multi-stage lifting jack - has supporting head locked at max height while lowering jack for reengagement

Info

Publication number
FR2272948A1
FR2272948A1 FR7419291A FR7419291A FR2272948A1 FR 2272948 A1 FR2272948 A1 FR 2272948A1 FR 7419291 A FR7419291 A FR 7419291A FR 7419291 A FR7419291 A FR 7419291A FR 2272948 A1 FR2272948 A1 FR 2272948A1
Authority
FR
France
Prior art keywords
jack
head
reengagement
supporting head
height
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.)
Granted
Application number
FR7419291A
Other languages
English (en)
French (fr)
Other versions
FR2272948B1 (cs
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.)
DEJEAN SUZANNE
Original Assignee
DEJEAN SUZANNE
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 DEJEAN SUZANNE filed Critical DEJEAN SUZANNE
Priority to FR7419291A priority Critical patent/FR2272948A1/fr
Publication of FR2272948A1 publication Critical patent/FR2272948A1/fr
Application granted granted Critical
Publication of FR2272948B1 publication Critical patent/FR2272948B1/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0836—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks
    • E02B17/0872—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks with locking pins engaging holes or cam surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
FR7419291A 1974-05-30 1974-05-30 Multi-stage lifting jack - has supporting head locked at max height while lowering jack for reengagement Granted FR2272948A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7419291A FR2272948A1 (en) 1974-05-30 1974-05-30 Multi-stage lifting jack - has supporting head locked at max height while lowering jack for reengagement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7419291A FR2272948A1 (en) 1974-05-30 1974-05-30 Multi-stage lifting jack - has supporting head locked at max height while lowering jack for reengagement

Publications (2)

Publication Number Publication Date
FR2272948A1 true FR2272948A1 (en) 1975-12-26
FR2272948B1 FR2272948B1 (cs) 1979-04-13

Family

ID=9139612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419291A Granted FR2272948A1 (en) 1974-05-30 1974-05-30 Multi-stage lifting jack - has supporting head locked at max height while lowering jack for reengagement

Country Status (1)

Country Link
FR (1) FR2272948A1 (cs)

Also Published As

Publication number Publication date
FR2272948B1 (cs) 1979-04-13

Similar Documents

Publication Publication Date Title
ES438536A1 (es) Perfeccionamientos en los puentes elevadores de columnas.
GB997422A (en) A grip device
ES380160A1 (es) Un aparato de temple y de tratamiento termico al vacio de una sola pieza.
GB1007764A (en) Lifting jack for raising vehicles
GB1487904A (en) Lorry with an attachment for an accompanying fork-lift truck
GB1183286A (en) Improvements in Hoists
FR2272948A1 (en) Multi-stage lifting jack - has supporting head locked at max height while lowering jack for reengagement
GB1269177A (en) Improvements in or relating to a pneumatic jack
GB1120480A (en) Load-transferring device employing a scissors hoist
GB1091036A (en) An apparatus for lifting motor vehicles
GB949420A (en) Improvements in jacks
GB1527556A (en) Multiple use apparatus for an automobile repair shop
FR2278530A1 (fr) Installation pour la manutention d'une charge
GB1297777A (cs)
GB1207146A (en) A storage installation for stacking elongate articles
GB1043663A (en) Barrel grab assembly
CN115507805A (zh) 一种汽车检测用托架
GB1258740A (cs)
GB276951A (en) Method of and means for the loading and stowage of briquettes, bricks, blocks, and similar shaped goods
GB1158985A (en) Lifting, Transporting or Bridging Apparatus.
GB970879A (en) Improvements in or relating to telescopic masts for supporting working platforms
GB861733A (en) Improvements in tower cranes
GB1119508A (en) Improvements to devices for telescoping masts or towers, mainly for use in cranes
GB942527A (en) Lift truck with extensible mast assembly
US1458530A (en) Lifting jack

Legal Events

Date Code Title Description
TP Transmission of property
GC Lien (pledge) constituted
ST Notification of lapse