DE286944C - - Google Patents

Info

Publication number
DE286944C
DE286944C DENDAT286944D DE286944DA DE286944C DE 286944 C DE286944 C DE 286944C DE NDAT286944 D DENDAT286944 D DE NDAT286944D DE 286944D A DE286944D A DE 286944DA DE 286944 C DE286944 C DE 286944C
Authority
DE
Germany
Prior art keywords
lever arm
robbing
sayings
unscrewed
stamp
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
DENDAT286944D
Other languages
German (de)
Publication of DE286944C publication Critical patent/DE286944C/de
Active legal-status Critical Current

Links

Classifications

    • 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
    • E21D15/60—Devices for withdrawing props or chocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (2)

Patent-An Sprüche:Patent-to sayings: 1. Verfahren zum Rauben von Grubenstempeln, dadurch gekennzeichnet, daß die Stempel durch einen festen oder angesteckten Hebelarm mit oder ohne Zuhilfenahme einer besonderen Zugvorrichtung losgedreht werden.1. A method for robbing pit punches, characterized in that the Stamp by a fixed or attached lever arm with or without assistance a special pulling device can be unscrewed. 2. Vorrichtung zur Ausführung des Verfahrens nach dem Anspruch 1, gekennzeichnet durch einen Drehhebelarm (δ, δ1), der durch ein Klemmband (c) oder durch eine Kette oder Seil (k) an dem loszudrehenden Stempel (a, a1) befestigt ist.2. Device for carrying out the method according to claim 1, characterized by a rotary lever arm (δ, δ 1 ) which is fastened by a clamping band (c) or by a chain or rope (k) to the punch to be loosened (a, a 1 ) is.
DENDAT286944D Active DE286944C (en)

Publications (1)

Publication Number Publication Date
DE286944C true DE286944C (en)

Family

ID=542211

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT286944D Active DE286944C (en)

Country Status (1)

Country Link
DE (1) DE286944C (en)

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