FR532444A - Jack system - Google Patents

Jack system

Info

Publication number
FR532444A
FR532444A FR532444DA FR532444A FR 532444 A FR532444 A FR 532444A FR 532444D A FR532444D A FR 532444DA FR 532444 A FR532444 A FR 532444A
Authority
FR
France
Prior art keywords
jack system
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
Jules-Conrad-Marie Herber
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 FR532444A publication Critical patent/FR532444A/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
    • B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
    • B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
    • B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
    • B66F1/06—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being actuated mechanically

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR532444D 1920-09-17 1920-09-17 Jack system Expired FR532444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR532444T 1920-09-17

Publications (1)

Publication Number Publication Date
FR532444A true FR532444A (en) 1922-02-03

Family

ID=8924560

Family Applications (1)

Application Number Title Priority Date Filing Date
FR532444D Expired FR532444A (en) 1920-09-17 1920-09-17 Jack system

Country Status (1)

Country Link
FR (1) FR532444A (en)

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