FR566694A - Lifting jack - Google Patents

Lifting jack

Info

Publication number
FR566694A
FR566694A FR566694DA FR566694A FR 566694 A FR566694 A FR 566694A FR 566694D A FR566694D A FR 566694DA FR 566694 A FR566694 A FR 566694A
Authority
FR
France
Prior art keywords
lifting jack
jack
lifting
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
William Henry Schafer
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 FR566694A publication Critical patent/FR566694A/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
    • B66F3/005—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with rocking arm or sector

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR566694D 1923-05-25 1923-05-25 Lifting jack Expired FR566694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR566694T 1923-05-25

Publications (1)

Publication Number Publication Date
FR566694A true FR566694A (en) 1924-02-18

Family

ID=8947290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR566694D Expired FR566694A (en) 1923-05-25 1923-05-25 Lifting jack

Country Status (1)

Country Link
FR (1) FR566694A (en)

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