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FR501120A - Perfectionnements aux crics - Google Patents

Perfectionnements aux crics

Info

Publication number
FR501120A
FR501120A FR501120A FR501120DA FR501120A FR 501120 A FR501120 A FR 501120A FR 501120 A FR501120 A FR 501120A FR 501120D A FR501120D A FR 501120DA FR 501120 A FR501120 A FR 501120A
Authority
FR
France
Prior art keywords
jacks
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
FR501120A
Other languages
English (en)
Inventor
Charles Frederick Lawrenc King
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.)
CHARLES FREDERICK LAWRENCE KIN
Original Assignee
CHARLES FREDERICK LAWRENCE KIN
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 CHARLES FREDERICK LAWRENCE KIN filed Critical CHARLES FREDERICK LAWRENCE KIN
Application granted granted Critical
Publication of FR501120A publication Critical patent/FR501120A/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)
FR501120A 1918-07-10 1919-06-27 Perfectionnements aux crics Expired FR501120A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB501120X 1918-07-10

Publications (1)

Publication Number Publication Date
FR501120A true FR501120A (fr) 1920-04-02

Family

ID=9960923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR501120A Expired FR501120A (fr) 1918-07-10 1919-06-27 Perfectionnements aux crics

Country Status (1)

Country Link
FR (1) FR501120A (fr)

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