ZA716187B - Improvements in tools and holders therefor - Google Patents

Improvements in tools and holders therefor

Info

Publication number
ZA716187B
ZA716187B ZA716187A ZA716187A ZA716187B ZA 716187 B ZA716187 B ZA 716187B ZA 716187 A ZA716187 A ZA 716187A ZA 716187 A ZA716187 A ZA 716187A ZA 716187 B ZA716187 B ZA 716187B
Authority
ZA
South Africa
Prior art keywords
tools
holders therefor
holders
therefor
Prior art date
Application number
ZA716187A
Inventor
S Proctor
Original Assignee
Austin Hoy & Co Ltd
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 Austin Hoy & Co Ltd filed Critical Austin Hoy & Co Ltd
Publication of ZA716187B publication Critical patent/ZA716187B/en

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

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)
ZA716187A 1970-12-22 1971-09-15 Improvements in tools and holders therefor ZA716187B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA356270 1970-12-22

Publications (1)

Publication Number Publication Date
ZA716187B true ZA716187B (en) 1972-05-31

Family

ID=3764724

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA716187A ZA716187B (en) 1970-12-22 1971-09-15 Improvements in tools and holders therefor

Country Status (4)

Country Link
US (1) US3751115A (en)
AU (1) AU458074B2 (en)
GB (1) GB1373655A (en)
ZA (1) ZA716187B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2211768A1 (en) * 1971-03-18 1972-10-05 Italsider Spa Connection device for excavator or ripper teeth, especially for two-part excavators
US3952433A (en) * 1974-09-03 1976-04-27 Caterpillar Tractor Co. Spring clip retaining means for earthworking tips
US4274677A (en) * 1976-07-23 1981-06-23 Pars Engineering Company Limited Mineral cutter pick arrangement
DE2822548C2 (en) * 1978-05-23 1982-11-18 Sandvik AB, 81181 Sandviken Tool, in particular mining chisel, with a holding shaft for fastening in a receiving part of a machine
GB8323599D0 (en) * 1983-09-02 1983-10-05 Anderson Strathclyde Plc Mineral cutter tools
DE3500931A1 (en) * 1984-01-31 1985-08-08 De Beers Industrial Diamond Division (Proprietary) Ltd., Johannesburg, Transvaal CUTTING TOOL
US4607891A (en) * 1985-05-31 1986-08-26 Joy Manufacturing Company Rotary retainer for mining bits
GB8713298D0 (en) * 1987-06-06 1987-07-08 Anderson Strathclyde Plc Cutting tool & holder
US6481803B2 (en) * 2001-01-16 2002-11-19 Kennametal Inc. Universal bit holder block connection surface
US7658024B2 (en) * 2006-07-06 2010-02-09 H&L Tooth Company Universal digging tooth attachment apparatus
US8292372B2 (en) 2007-12-21 2012-10-23 Hall David R Retention for holder shank
US8201892B2 (en) 2006-08-11 2012-06-19 Hall David R Holder assembly
US8449040B2 (en) 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US7926883B2 (en) 2007-05-15 2011-04-19 Schlumberger Technology Corporation Spring loaded pick
US8322796B2 (en) 2009-04-16 2012-12-04 Schlumberger Technology Corporation Seal with contact element for pick shield
US20120280559A1 (en) * 2011-05-07 2012-11-08 Richard Wayne Watson Casing Block
US20150137052A1 (en) * 2013-11-15 2015-05-21 Michael T. DeKeuster Removable floor jack saddle
US20160124163A1 (en) * 2014-10-29 2016-05-05 Compass Electro Optical Systems Ltd. Vacuum gripper
US11007831B2 (en) * 2017-09-01 2021-05-18 B & W Custom Truck Beds, Inc. Vehicle trailer hitch assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1375638A (en) * 1920-05-03 1921-04-19 Jeffrey Mfg Co Cutting-chain
US3177037A (en) * 1963-01-09 1965-04-06 Gerald W Elders Cutting device with resilient locking mechanism

Also Published As

Publication number Publication date
AU458074B2 (en) 1975-02-20
US3751115A (en) 1973-08-07
AU3358971A (en) 1973-03-22
GB1373655A (en) 1974-11-13

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