FR544655A - Jack - Google Patents

Jack

Info

Publication number
FR544655A
FR544655A FR544655DA FR544655A FR 544655 A FR544655 A FR 544655A FR 544655D A FR544655D A FR 544655DA FR 544655 A FR544655 A FR 544655A
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
Max Boucher
Kemal Husny
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 FR544655A publication Critical patent/FR544655A/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)
FR544655D 1921-12-17 1921-12-17 Jack Expired FR544655A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR544655T 1921-12-17

Publications (1)

Publication Number Publication Date
FR544655A true FR544655A (en) 1922-09-26

Family

ID=8932431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR544655D Expired FR544655A (en) 1921-12-17 1921-12-17 Jack

Country Status (1)

Country Link
FR (1) FR544655A (en)

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