DE219364C - - Google Patents

Info

Publication number
DE219364C
DE219364C DENDAT219364D DE219364DA DE219364C DE 219364 C DE219364 C DE 219364C DE NDAT219364 D DENDAT219364 D DE NDAT219364D DE 219364D A DE219364D A DE 219364DA DE 219364 C DE219364 C DE 219364C
Authority
DE
Germany
Prior art keywords
punch
braked
winch
screws
fix
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
DENDAT219364D
Other languages
English (en)
Publication of DE219364C publication Critical patent/DE219364C/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
    • E21D15/14—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
    • E21D15/26—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 with screw, worm, or the like, not self-locking but normally prevented from rotation by friction members which slip upon excessive pressure

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)
  • Press Drives And Press Lines (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Description

Hierzu 1 Blatt Zeichnungen

Claims (1)

  1. Patent-Anspruch:
    Nach Art einer Winde ausgebildeter verstellbarer Grubenstempel, dadurch gekennzeichnet, daß zur Feststellung der verschiebbaren Stempelteile das Triebrad (d) durch Schrauben (e und C1) gebremst wird.
DENDAT219364D Active DE219364C (de)

Publications (1)

Publication Number Publication Date
DE219364C true DE219364C (de)

Family

ID=480501

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT219364D Active DE219364C (de)

Country Status (1)

Country Link
DE (1) DE219364C (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746071C (de) * 1935-06-04 1944-05-26 Oscar Fisher Bogenfoermiger Ausbaurahmen fuer Bergwerke
US2711301A (en) * 1951-08-25 1955-06-21 George H Jaspersen Prop or brace
DE964136C (de) * 1952-07-01 1957-05-16 Helmut Heese Nachgiebiger Grubenstempel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746071C (de) * 1935-06-04 1944-05-26 Oscar Fisher Bogenfoermiger Ausbaurahmen fuer Bergwerke
US2711301A (en) * 1951-08-25 1955-06-21 George H Jaspersen Prop or brace
DE964136C (de) * 1952-07-01 1957-05-16 Helmut Heese Nachgiebiger Grubenstempel

Similar Documents

Publication Publication Date Title
DE219364C (de)
DE243224C (de)
DE309096C (de)
DE44658C (de) Doppeltwirkende Bohrknarre
DE55644C (de) Umsteuerung für zum Gewindeschneiden dienende Leitspindeldrehbänke
DE34303C (de) Läutewerk
DE78589C (de) Luftdruckbremse für tiebezeuge
DE674218C (de) Winde mit Reibradantrieb
DE125958C (de)
DE183229C (de)
DE278356C (de)
DE36538C (de) Vorrichtung zum Reinigen beschlagener Fensterscheiben
DE428054C (de) Verschiebbare Kranklappe
DE71902C (de) Vorrichtung zum Auskehlen von Grubenstempeln und dergl
DE240114C (de)
DE206552C (de)
DE234273C (de)
DE30785C (de) Bleistifthalter
DE129435C (de)
DE216180C (de)
DE294089C (de)
DE62763C (de) Winde zum Heben von sperrigen Lasten
DE23837C (de) Verstellbarer Stiefelknecht
DE644798C (de) Treibscheibenklotz
DE197231C (de)