FR337950A - Perfectionnements apportés aux crics - Google Patents

Perfectionnements apportés aux crics

Info

Publication number
FR337950A
FR337950A FR337950DA FR337950A FR 337950 A FR337950 A FR 337950A FR 337950D A FR337950D A FR 337950DA FR 337950 A FR337950 A FR 337950A
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
Other languages
English (en)
Inventor
Charles Edward Roth
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR337950A publication Critical patent/FR337950A/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
FR337950D 1903-12-22 1903-12-22 Perfectionnements apportés aux crics Expired FR337950A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR337950T 1903-12-22

Publications (1)

Publication Number Publication Date
FR337950A true FR337950A (fr) 1904-05-03

Family

ID=1387265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR337950D Expired FR337950A (fr) 1903-12-22 1903-12-22 Perfectionnements apportés aux crics

Country Status (1)

Country Link
FR (1) FR337950A (fr)

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