FR1208819A - Cric de levage à vis - Google Patents

Cric de levage à vis

Info

Publication number
FR1208819A
FR1208819A FR1208819DA FR1208819A FR 1208819 A FR1208819 A FR 1208819A FR 1208819D A FR1208819D A FR 1208819DA FR 1208819 A FR1208819 A FR 1208819A
Authority
FR
France
Prior art keywords
lifting jack
screw lifting
screw
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
Other languages
English (en)
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.)
R T SHELLEY Ltd
Original Assignee
R T SHELLEY Ltd
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 R T SHELLEY Ltd filed Critical R T SHELLEY Ltd
Application granted granted Critical
Publication of FR1208819A publication Critical patent/FR1208819A/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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/14—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through pawl-and-ratchet mechanisms

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR1208819D 1957-12-12 1958-11-24 Cric de levage à vis Expired FR1208819A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1208819X 1957-12-12

Publications (1)

Publication Number Publication Date
FR1208819A true FR1208819A (fr) 1960-02-25

Family

ID=10882642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1208819D Expired FR1208819A (fr) 1957-12-12 1958-11-24 Cric de levage à vis

Country Status (1)

Country Link
FR (1) FR1208819A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583712A (en) * 1984-10-29 1986-04-22 Wilks David W Evaporator lift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583712A (en) * 1984-10-29 1986-04-22 Wilks David W Evaporator lift

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