IT8619902A1 - Sistema di trattenuta per utensili da miniera - Google Patents

Sistema di trattenuta per utensili da miniera

Info

Publication number
IT8619902A1
IT8619902A1 IT1986A19902A IT1990286A IT8619902A1 IT 8619902 A1 IT8619902 A1 IT 8619902A1 IT 1986A19902 A IT1986A19902 A IT 1986A19902A IT 1990286 A IT1990286 A IT 1990286A IT 8619902 A1 IT8619902 A1 IT 8619902A1
Authority
IT
Italy
Prior art keywords
restraint system
mining tools
mining
tools
restraint
Prior art date
Application number
IT1986A19902A
Other languages
English (en)
Other versions
IT8619902A0 (it
IT1188463B (it
Original Assignee
Joy Mfg Co
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 Joy Mfg Co filed Critical Joy Mfg Co
Publication of IT8619902A0 publication Critical patent/IT8619902A0/it
Publication of IT8619902A1 publication Critical patent/IT8619902A1/it
Application granted granted Critical
Publication of IT1188463B publication Critical patent/IT1188463B/it

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
    • E21C35/184—Reversible picks, i.e. having two working ends, one operating, the other in reserve

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Component Parts Of Construction Machinery (AREA)
IT19902/86A 1985-05-31 1986-03-27 Sistema di trattenuta per utensili di miniera IT1188463B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/739,945 US4607891A (en) 1985-05-31 1985-05-31 Rotary retainer for mining bits

Publications (3)

Publication Number Publication Date
IT8619902A0 IT8619902A0 (it) 1986-03-27
IT8619902A1 true IT8619902A1 (it) 1987-09-27
IT1188463B IT1188463B (it) 1988-01-14

Family

ID=24974436

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19902/86A IT1188463B (it) 1985-05-31 1986-03-27 Sistema di trattenuta per utensili di miniera

Country Status (7)

Country Link
US (1) US4607891A (it)
AU (1) AU584700B2 (it)
BR (1) BR8601589A (it)
FR (1) FR2582716B1 (it)
GB (1) GB2175938B (it)
IT (1) IT1188463B (it)
ZA (1) ZA861085B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744605A (en) * 1985-08-02 1988-05-17 Michael Komotzki Bit and bit holder for mining machines
DE3927285A1 (de) * 1989-08-18 1991-02-21 Boart Hwf Gmbh & Co Hobel- und schraemmeissel fuer gewinnungsmaschinen zum abbau von lagerstaetten
DE4105238A1 (de) * 1991-02-20 1992-08-27 Dietmar Kauhausen Meissel fuer kohlenhobel mit flaechenparallelem, laengs- und querachsensymmetrischem arretierungsstift
US7487931B2 (en) * 2004-07-23 2009-02-10 Sandvik Intellectual Property Ab Shingle processing tool and method
JP4957440B2 (ja) * 2007-08-06 2012-06-20 三菱マテリアル株式会社 掘削工具
ZA201108667B (en) 2010-11-30 2012-07-25 Harnischfeger Tech Inc Pick holder
USD709112S1 (en) 2011-11-30 2014-07-15 Harnischfeger Technologies, Inc. Pick holder
USD720375S1 (en) 2011-11-30 2014-12-30 Harnischfeger Technologies, Inc. Pick holder
GB201220294D0 (en) * 2012-11-12 2012-12-26 Element Six Gmbh Pick tool assembly and method of using same

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1140173A (en) * 1909-01-08 1915-05-18 Jeffrey Mfg Co Bit-holder for mining-machines.
US1613693A (en) * 1924-06-10 1927-01-11 Davis Jake Bit holder
GB618718A (en) * 1946-11-18 1949-02-25 Thomas Ridley Currie Improvements in and relating to coal cutter picks, and the pick-holders and pick-boxes therefor
US2720392A (en) * 1953-05-18 1955-10-11 Cincinnati Mine Machinery Co Bit mounting for cutter chains
US2965365A (en) * 1958-04-14 1960-12-20 Cincinnati Mine Machinery Co Bit and resilient holding means therefor
US3088721A (en) * 1959-05-11 1963-05-07 Cincinnati Mine Machinery Co Resilient controlling means
US3057609A (en) * 1960-05-11 1962-10-09 Cincinnati Mine Machinery Co Socket member and resilient retainer for cutter bits
GB1115411A (en) * 1963-11-08 1968-05-29 Matthias Spencer & Sons Ltd Improvements in or relating to tool holding devices
GB1066251A (en) * 1964-03-14 1967-04-26 Anderson Mavor Ltd Improved pick box to which a mineral cutting pick is operatively detachably secured
US3362754A (en) * 1965-10-13 1968-01-09 Bowdil Company Cutting bit and holder
AU458074B2 (en) * 1970-12-22 1975-02-20 Austin Hoy & Company Limited Improvement in tools and holders therefor
GB1548351A (en) * 1977-01-28 1979-07-11 Hoy & Co Ltd Austin Securing means for machine parts
DD141048A1 (de) * 1978-12-22 1980-04-09 Karl Vogt Vorrichtung zur verriegelung von schraemmeisseln
DE2942582A1 (de) * 1978-12-22 1980-07-03 Schmalkalden Werkzeug Vorrichtung zur verriegelung von schraemmeisseln
DE3169104D1 (en) * 1980-11-24 1985-03-28 Padley & Venables Ltd A pick and holder assembly and a pick and a holder for such an assembly
AU7778781A (en) * 1980-12-04 1982-06-10 Anderson Strathclyde Ltd. Pick retaining devices

Also Published As

Publication number Publication date
IT8619902A0 (it) 1986-03-27
FR2582716A1 (fr) 1986-12-05
AU584700B2 (en) 1989-06-01
GB2175938B (en) 1989-07-12
FR2582716B1 (fr) 1989-02-03
BR8601589A (pt) 1987-01-13
ZA861085B (en) 1986-09-24
AU5738186A (en) 1986-12-04
IT1188463B (it) 1988-01-14
US4607891A (en) 1986-08-26
GB2175938A (en) 1986-12-10
GB8604242D0 (en) 1986-03-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940329