FR729516A - Improvements to jacks - Google Patents

Improvements to jacks

Info

Publication number
FR729516A
FR729516A FR729516DA FR729516A FR 729516 A FR729516 A FR 729516A FR 729516D A FR729516D A FR 729516DA FR 729516 A FR729516 A FR 729516A
Authority
FR
France
Prior art keywords
jacks
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
Georges Sizaire
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 FR729516A publication Critical patent/FR729516A/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
    • 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
    • B66F3/02—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with racks actuated by pinions

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR729516D 1931-03-20 1931-03-20 Improvements to jacks Expired FR729516A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR729516T 1931-03-20

Publications (1)

Publication Number Publication Date
FR729516A true FR729516A (en) 1932-07-26

Family

ID=9112506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR729516D Expired FR729516A (en) 1931-03-20 1931-03-20 Improvements to jacks

Country Status (1)

Country Link
FR (1) FR729516A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0393473A1 (en) * 1989-04-21 1990-10-24 Fiorello Giovannetti A level adjustment device, paticularly for furniture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0393473A1 (en) * 1989-04-21 1990-10-24 Fiorello Giovannetti A level adjustment device, paticularly for furniture
US5040758A (en) * 1989-04-21 1991-08-20 Giovannetti F Level adjustment device, particularly for furniture

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