FR1255558A - Ball joint cylinder with magnetic base - Google Patents

Ball joint cylinder with magnetic base

Info

Publication number
FR1255558A
FR1255558A FR4219A FR38004219A FR1255558A FR 1255558 A FR1255558 A FR 1255558A FR 4219 A FR4219 A FR 4219A FR 38004219 A FR38004219 A FR 38004219A FR 1255558 A FR1255558 A FR 1255558A
Authority
FR
France
Prior art keywords
ball joint
magnetic base
joint cylinder
cylinder
magnetic
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
FR4219A
Other languages
French (fr)
Inventor
Louis Gagne
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 filed Critical
Priority to FR4219A priority Critical patent/FR1255558A/en
Application granted granted Critical
Publication of FR1255558A publication Critical patent/FR1255558A/en
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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • 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
    • B66F13/00—Common constructional features or accessories
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR4219A 1960-02-25 1960-02-25 Ball joint cylinder with magnetic base Expired FR1255558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR4219A FR1255558A (en) 1960-02-25 1960-02-25 Ball joint cylinder with magnetic base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR4219A FR1255558A (en) 1960-02-25 1960-02-25 Ball joint cylinder with magnetic base

Publications (1)

Publication Number Publication Date
FR1255558A true FR1255558A (en) 1961-03-10

Family

ID=8569896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4219A Expired FR1255558A (en) 1960-02-25 1960-02-25 Ball joint cylinder with magnetic base

Country Status (1)

Country Link
FR (1) FR1255558A (en)

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