FR556132A - Jack - Google Patents

Jack

Info

Publication number
FR556132A
FR556132A FR556132DA FR556132A FR 556132 A FR556132 A FR 556132A FR 556132D A FR556132D A FR 556132DA FR 556132 A FR556132 A FR 556132A
Authority
FR
France
Prior art keywords
jack
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
John Lawrence Harper
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 FR556132A publication Critical patent/FR556132A/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
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR556132D 1922-09-16 1922-09-16 Jack Expired FR556132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR556132T 1922-09-16

Publications (1)

Publication Number Publication Date
FR556132A true FR556132A (en) 1923-07-12

Family

ID=8939922

Family Applications (1)

Application Number Title Priority Date Filing Date
FR556132D Expired FR556132A (en) 1922-09-16 1922-09-16 Jack

Country Status (1)

Country Link
FR (1) FR556132A (en)

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