FR515702A - Cric de levage perfectionné - Google Patents

Cric de levage perfectionné

Info

Publication number
FR515702A
FR515702A FR515702A FR515702DA FR515702A FR 515702 A FR515702 A FR 515702A FR 515702 A FR515702 A FR 515702A FR 515702D A FR515702D A FR 515702DA FR 515702 A FR515702 A FR 515702A
Authority
FR
France
Prior art keywords
lifting jack
advanced lifting
advanced
jack
lifting
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
FR515702A
Other languages
English (en)
Inventor
Albert Shrieves
Henry Edwin Shrieves
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.)
HENRY EDWIN SHRIEVES
Original Assignee
HENRY EDWIN SHRIEVES
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 HENRY EDWIN SHRIEVES filed Critical HENRY EDWIN SHRIEVES
Application granted granted Critical
Publication of FR515702A publication Critical patent/FR515702A/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)
FR515702A 1919-06-14 1920-05-18 Cric de levage perfectionné Expired FR515702A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB515702X 1919-06-14

Publications (1)

Publication Number Publication Date
FR515702A true FR515702A (fr) 1921-04-06

Family

ID=10460527

Family Applications (1)

Application Number Title Priority Date Filing Date
FR515702A Expired FR515702A (fr) 1919-06-14 1920-05-18 Cric de levage perfectionné

Country Status (1)

Country Link
FR (1) FR515702A (fr)

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