FR613974A - Jack - Google Patents

Jack

Info

Publication number
FR613974A
FR613974A FR613974DA FR613974A FR 613974 A FR613974 A FR 613974A FR 613974D A FR613974D A FR 613974DA FR 613974 A FR613974 A FR 613974A
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
Nicolas-Raymond Petit
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 FR613974A publication Critical patent/FR613974A/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)
FR613974D 1926-04-02 1926-04-02 Jack Expired FR613974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR613974T 1926-04-02

Publications (1)

Publication Number Publication Date
FR613974A true FR613974A (en) 1926-12-03

Family

ID=8979891

Family Applications (1)

Application Number Title Priority Date Filing Date
FR613974D Expired FR613974A (en) 1926-04-02 1926-04-02 Jack

Country Status (1)

Country Link
FR (1) FR613974A (en)

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