FR512870A - Screw jack - Google Patents

Screw jack

Info

Publication number
FR512870A
FR512870A FR512870A FR512870DA FR512870A FR 512870 A FR512870 A FR 512870A FR 512870 A FR512870 A FR 512870A FR 512870D A FR512870D A FR 512870DA FR 512870 A FR512870 A FR 512870A
Authority
FR
France
Prior art keywords
screw jack
jack
screw
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
FR512870A
Other languages
French (fr)
Inventor
Paul Amann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR512870A publication Critical patent/FR512870A/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR512870A 1920-03-31 1920-03-31 Screw jack Expired FR512870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR512870T 1920-03-31

Publications (1)

Publication Number Publication Date
FR512870A true FR512870A (en) 1921-02-02

Family

ID=8913207

Family Applications (1)

Application Number Title Priority Date Filing Date
FR512870A Expired FR512870A (en) 1920-03-31 1920-03-31 Screw jack

Country Status (1)

Country Link
FR (1) FR512870A (en)

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