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FR578811A - Further development of jacks - Google Patents

Further development of jacks

Info

Publication number
FR578811A
FR578811A FR578811DA FR578811A FR 578811 A FR578811 A FR 578811A FR 578811D A FR578811D A FR 578811DA FR 578811 A FR578811 A FR 578811A
Authority
FR
France
Prior art keywords
jacks
further development
development
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
Rene Ducholet
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 FR578811A publication Critical patent/FR578811A/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)
FR578811D 1924-03-18 1924-03-18 Further development of jacks Expired FR578811A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR578811T 1924-03-18

Publications (1)

Publication Number Publication Date
FR578811A true FR578811A (en) 1924-10-04

Family

ID=8955686

Family Applications (1)

Application Number Title Priority Date Filing Date
FR578811D Expired FR578811A (en) 1924-03-18 1924-03-18 Further development of jacks

Country Status (1)

Country Link
FR (1) FR578811A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297864A1 (en) * 1987-07-03 1989-01-04 John Charles Payne Safety device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297864A1 (en) * 1987-07-03 1989-01-04 John Charles Payne Safety device
US4962674A (en) * 1987-07-03 1990-10-16 Payne John C Safety device

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