FR446973A - Lifting gear - Google Patents

Lifting gear

Info

Publication number
FR446973A
FR446973A FR446973DA FR446973A FR 446973 A FR446973 A FR 446973A FR 446973D A FR446973D A FR 446973DA FR 446973 A FR446973 A FR 446973A
Authority
FR
France
Prior art keywords
lifting gear
lifting
gear
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
Pierre-Elie Guichard
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.)
PIERRE ELIE GUICHARD
Original Assignee
PIERRE ELIE GUICHARD
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 PIERRE ELIE GUICHARD filed Critical PIERRE ELIE GUICHARD
Application granted granted Critical
Publication of FR446973A publication Critical patent/FR446973A/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)
FR446973D 1912-08-07 1912-08-07 Lifting gear Expired FR446973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR446973T 1912-08-07

Publications (1)

Publication Number Publication Date
FR446973A true FR446973A (en) 1912-12-19

Family

ID=1487706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446973D Expired FR446973A (en) 1912-08-07 1912-08-07 Lifting gear

Country Status (1)

Country Link
FR (1) FR446973A (en)

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