FR481979A - Cric à vis, à vitesse variable - Google Patents

Cric à vis, à vitesse variable

Info

Publication number
FR481979A
FR481979A FR481979DA FR481979A FR 481979 A FR481979 A FR 481979A FR 481979D A FR481979D A FR 481979DA FR 481979 A FR481979 A FR 481979A
Authority
FR
France
Prior art keywords
variable speed
screw jack
jack
screw
variable
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)
Inventor
Vital Chatel
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.)
VITAL CHATEL
Original Assignee
VITAL CHATEL
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 VITAL CHATEL filed Critical VITAL CHATEL
Application granted granted Critical
Publication of FR481979A publication Critical patent/FR481979A/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
    • B66F3/18—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through worm gearings
    • 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
    • B66F3/20—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through multiple or change-speed gearings

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR481979D 1915-04-12 1915-04-12 Cric à vis, à vitesse variable Expired FR481979A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR481979T 1915-04-12

Publications (1)

Publication Number Publication Date
FR481979A true FR481979A (fr) 1917-02-06

Family

ID=1519024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR481979D Expired FR481979A (fr) 1915-04-12 1915-04-12 Cric à vis, à vitesse variable

Country Status (1)

Country Link
FR (1) FR481979A (fr)

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