DE193640C - - Google Patents

Info

Publication number
DE193640C
DE193640C DENDAT193640D DE193640DA DE193640C DE 193640 C DE193640 C DE 193640C DE NDAT193640 D DENDAT193640 D DE NDAT193640D DE 193640D A DE193640D A DE 193640DA DE 193640 C DE193640 C DE 193640C
Authority
DE
Germany
Prior art keywords
support shoe
lifting device
footplate
straight line
guided
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.)
Active
Application number
DENDAT193640D
Other languages
German (de)
English (en)
Publication of DE193640C publication Critical patent/DE193640C/de
Active 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
    • B66F3/12—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated comprising toggle levers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Load-Engaging Elements For Cranes (AREA)
DENDAT193640D Active DE193640C (en(2012))

Publications (1)

Publication Number Publication Date
DE193640C true DE193640C (en(2012))

Family

ID=456855

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT193640D Active DE193640C (en(2012))

Country Status (1)

Country Link
DE (1) DE193640C (en(2012))

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE952356C (de) * 1953-08-07 1956-11-15 Konrad Darius Vorrichtung zum senkrechten und waagerechten Bewegen von Lasten, insbesodnere zum Aufgleisen von Schienenfahrzeugen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE952356C (de) * 1953-08-07 1956-11-15 Konrad Darius Vorrichtung zum senkrechten und waagerechten Bewegen von Lasten, insbesodnere zum Aufgleisen von Schienenfahrzeugen

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