FR512531A - Cric à crémaillère - Google Patents

Cric à crémaillère

Info

Publication number
FR512531A
FR512531A FR512531A FR512531DA FR512531A FR 512531 A FR512531 A FR 512531A FR 512531 A FR512531 A FR 512531A FR 512531D A FR512531D A FR 512531DA FR 512531 A FR512531 A FR 512531A
Authority
FR
France
Prior art keywords
rack jack
jack
rack
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
FR512531A
Other languages
English (en)
Inventor
Augusto Ottolenghi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR512531A publication Critical patent/FR512531A/fr
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)
FR512531A 1919-06-03 1920-03-29 Cric à crémaillère Expired FR512531A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT512531X 1919-06-03

Publications (1)

Publication Number Publication Date
FR512531A true FR512531A (fr) 1921-01-25

Family

ID=11274728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR512531A Expired FR512531A (fr) 1919-06-03 1920-03-29 Cric à crémaillère

Country Status (1)

Country Link
FR (1) FR512531A (fr)

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