ZA832473B - Earthworking tool and method for protecting from abnormally high cutting loads - Google Patents

Earthworking tool and method for protecting from abnormally high cutting loads

Info

Publication number
ZA832473B
ZA832473B ZA832473A ZA832473A ZA832473B ZA 832473 B ZA832473 B ZA 832473B ZA 832473 A ZA832473 A ZA 832473A ZA 832473 A ZA832473 A ZA 832473A ZA 832473 B ZA832473 B ZA 832473B
Authority
ZA
South Africa
Prior art keywords
protecting
abnormally high
high cutting
cutting loads
earthworking tool
Prior art date
Application number
ZA832473A
Inventor
Robert H Montgomery Jr
Original Assignee
Kennametal Inc
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 Kennametal Inc filed Critical Kennametal Inc
Publication of ZA832473B publication Critical patent/ZA832473B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
    • E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2866—Small metalwork for digging elements, e.g. teeth scraper bits for rotating digging elements
    • 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
    • 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
    • E21C35/191—Means for fixing picks or holders for fixing 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
    • E21C35/19—Means for fixing picks or holders
    • E21C35/193—Means for fixing picks or holders using bolts as main fixing elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Road Repair (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Soil Working Implements (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
ZA832473A 1982-04-08 1983-04-08 Earthworking tool and method for protecting from abnormally high cutting loads ZA832473B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36648882A 1982-04-08 1982-04-08

Publications (1)

Publication Number Publication Date
ZA832473B true ZA832473B (en) 1984-06-27

Family

ID=23443224

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA832473A ZA832473B (en) 1982-04-08 1983-04-08 Earthworking tool and method for protecting from abnormally high cutting loads

Country Status (12)

Country Link
JP (1) JPS58195691A (en)
AT (1) AT388581B (en)
AU (1) AU561550B2 (en)
BE (1) BE896399A (en)
CA (1) CA1197866A (en)
CH (1) CH655752A5 (en)
DE (1) DE3312514A1 (en)
FR (1) FR2524916B1 (en)
GB (1) GB2118227B (en)
NL (1) NL191634C (en)
SE (1) SE464096B (en)
ZA (1) ZA832473B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3341321C2 (en) * 1983-11-15 1986-04-24 Ruhrkohle Ag, 4300 Essen Arrangement of the cutting bit holder on the cutting body
US4650254A (en) * 1983-12-14 1987-03-17 Joy Manufacturing Company Bit holder
FR2589945B1 (en) * 1985-11-07 1988-01-29 Santrade Ltd CUTTING TOOL HOLDER FOR HARD MATERIAL WORK
DE3526994C1 (en) 1984-09-19 1986-04-30 Betek Bergbau- und Hartmetalltechnik Karl-Heinz Simon GmbH & Co KG, 7234 Aichhalden Device for accommodating a pick for shearing and boring machines and the like, in particular for heading and winning machines
GB8717116D0 (en) * 1987-07-20 1987-08-26 Wimet Mining Ltd Cutter picks
US5536073A (en) * 1995-05-08 1996-07-16 Kennametal Inc. Road milling drum assembly and method of milling
EP0771911B1 (en) * 1995-10-31 2001-08-22 Bitelli Spa An active element for the support of at least one milling tool, suited to be applied on milling drums of operating machines for the removal of soils
DE10106381B4 (en) * 2001-02-12 2005-03-17 Michael Steinbrecher Roller equipped with tools for mobile machines
FR2823793B1 (en) * 2001-04-24 2004-01-30 Nfm Tech DEVICE FOR FIXING A WORKING TOOL ON A DIGGING OR COLLECTING MACHINE OR ORE
DE10205791C1 (en) * 2002-02-13 2003-04-30 Michael Steinbrecher Handle system for round shaft chisels comprises a box with recess for shaft of handle welded to roller on its upper side, handle provided with a tool recess whose shaft is inserted into the recess, and draw spindle for fixing the handle
US9376911B2 (en) 2010-12-03 2016-06-28 Wirtgen Gmbh Chisel holder, and chisel holder system comprising a chisel holder and a base part
DE102011051525A1 (en) * 2011-07-04 2013-01-10 Wirtgen Gmbh Chisel holder for a soil tillage machine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1168617A (en) * 1966-03-18 1969-10-29 Austin Hoy & Co Ltd Improvements in or relating to Cutter Picks.
DE1533654A1 (en) * 1966-03-24 1970-01-15 Cincinnati Mine Machinery Co Fastening device for cutting attachments
GB1209374A (en) * 1967-09-25 1970-10-21 Harry Mathew Morrow Cutting apparatus including in combination a bit holder and a cutting bit
GB1388503A (en) * 1972-12-01 1975-03-26 Sandvik Ab Rock milling cutters
US4275929A (en) * 1978-08-25 1981-06-30 The Cincinnati Mine Machinery Company Means for removably affixing a cutter bit mounting lug to a base member on the driven element of a mining machine or the like
US4240669A (en) * 1978-10-02 1980-12-23 Joy Manufacturing Company Mining cutter bit holder and mounting assemblies
US4261620A (en) * 1979-10-30 1981-04-14 Carmet Company Tapered lock pin for a cutter tool bit
EP0032428B1 (en) * 1980-01-10 1986-08-27 Stonehouse U.K. Limited Rotary drill bits
CA1154040A (en) * 1980-04-21 1983-09-20 William P. Sulosky Means for holding cutter bits
GB2077810B (en) * 1980-06-17 1983-10-26 Anderson Strathclyde Ltd Detachable pick support

Also Published As

Publication number Publication date
ATA125183A (en) 1988-12-15
JPS58195691A (en) 1983-11-14
DE3312514A1 (en) 1983-10-20
NL191634B (en) 1995-07-17
FR2524916A1 (en) 1983-10-14
AT388581B (en) 1989-07-25
NL191634C (en) 1995-11-20
GB2118227A (en) 1983-10-26
AU1328483A (en) 1983-10-13
DE3312514C2 (en) 1987-08-13
GB8308683D0 (en) 1983-05-05
SE8301901L (en) 1983-10-09
JPS6215718B2 (en) 1987-04-08
CA1197866A (en) 1985-12-10
NL8301251A (en) 1983-11-01
SE8301901D0 (en) 1983-04-07
SE464096B (en) 1991-03-04
GB2118227B (en) 1985-11-06
AU561550B2 (en) 1987-05-14
CH655752A5 (en) 1986-05-15
BE896399A (en) 1983-08-01
FR2524916B1 (en) 1985-07-12

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