PL295048A1 - Cutter bit securing system - Google Patents

Cutter bit securing system

Info

Publication number
PL295048A1
PL295048A1 PL29504892A PL29504892A PL295048A1 PL 295048 A1 PL295048 A1 PL 295048A1 PL 29504892 A PL29504892 A PL 29504892A PL 29504892 A PL29504892 A PL 29504892A PL 295048 A1 PL295048 A1 PL 295048A1
Authority
PL
Poland
Prior art keywords
pick
shearing
holder
pocket
holding element
Prior art date
Application number
PL29504892A
Other languages
English (en)
Original Assignee
Boart Hwf Gmbh Co Kg
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 Boart Hwf Gmbh Co Kg filed Critical Boart Hwf Gmbh Co Kg
Publication of PL295048A1 publication Critical patent/PL295048A1/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/186—Mining picks; Holders therefor using a locking piston actuated hydraulically, e.g. by spraying-fluid pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/188—Mining picks; Holders therefor characterised by adaptations to use an extraction tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
PL29504892A 1991-06-29 1992-06-26 Cutter bit securing system PL295048A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4121674A DE4121674C1 (xx) 1991-06-29 1991-06-29

Publications (1)

Publication Number Publication Date
PL295048A1 true PL295048A1 (en) 1993-03-08

Family

ID=6435126

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29504892A PL295048A1 (en) 1991-06-29 1992-06-26 Cutter bit securing system

Country Status (4)

Country Link
EP (1) EP0521413B1 (xx)
AT (1) ATE109247T1 (xx)
DE (2) DE4121674C1 (xx)
PL (1) PL295048A1 (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9704554D0 (en) * 1997-03-05 1997-04-23 Bingham Engineering Ltd Semi-locking pick box assembly
US6176552B1 (en) * 1998-10-05 2001-01-23 Kennametal Inc. Cutting bit support member with undercut flange for removal
US6331035B1 (en) 1999-03-19 2001-12-18 Kennametal Pc Inc. Cutting tool holder assembly with press fit
US8628148B2 (en) * 2010-12-17 2014-01-14 Esco Windber Inc. Holder block assembly for a cutting tool having a hydraulic piston and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965365A (en) * 1958-04-14 1960-12-20 Cincinnati Mine Machinery Co Bit and resilient holding means therefor
GB956513A (en) * 1962-02-24 1964-04-29 Macdonald & Company Haydock Lt Hydraulic pick or tool holder
GB1550353A (en) * 1976-05-17 1979-08-15 Wickman Wimet Ltd Mineral cutting picks and boxes
DE3935691A1 (de) * 1989-10-26 1991-05-02 Gewerk Eisenhuette Westfalia Meisselanordnung fuer bergbau-gewinnungsmaschinen u. dgl., insbesondere fuer hobel

Also Published As

Publication number Publication date
DE59200320D1 (de) 1994-09-01
DE4121674C1 (xx) 1993-02-11
ATE109247T1 (de) 1994-08-15
EP0521413A1 (de) 1993-01-07
EP0521413B1 (de) 1994-07-27

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