FR648083A - mechanical prop - Google Patents

mechanical prop

Info

Publication number
FR648083A
FR648083A FR648083DA FR648083A FR 648083 A FR648083 A FR 648083A FR 648083D A FR648083D A FR 648083DA FR 648083 A FR648083 A FR 648083A
Authority
FR
France
Prior art keywords
mechanical prop
prop
mechanical
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
Other languages
French (fr)
Inventor
Adrien Bourgeois
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
Application granted granted Critical
Publication of FR648083A publication Critical patent/FR648083A/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
    • B66F3/16—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through bevel-wheel gearings

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR648083D 1928-02-02 1928-02-02 mechanical prop Expired FR648083A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR648083T 1928-02-02

Publications (1)

Publication Number Publication Date
FR648083A true FR648083A (en) 1928-12-05

Family

ID=9002442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR648083D Expired FR648083A (en) 1928-02-02 1928-02-02 mechanical prop

Country Status (1)

Country Link
FR (1) FR648083A (en)

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