GB190605456A - Improvements in Picks or Coal breaking Instruments. - Google Patents

Improvements in Picks or Coal breaking Instruments.

Info

Publication number
GB190605456A
GB190605456A GB190605456DA GB190605456A GB 190605456 A GB190605456 A GB 190605456A GB 190605456D A GB190605456D A GB 190605456DA GB 190605456 A GB190605456 A GB 190605456A
Authority
GB
United Kingdom
Prior art keywords
picks
coal
coal breaking
instruments
arms
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.)
Expired
Application number
Inventor
James Hodgson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190605456A publication Critical patent/GB190605456A/en
Expired legal-status Critical Current

Links

Landscapes

  • Crushing And Grinding (AREA)
  • Shovels (AREA)

Abstract

5456. Hodgson, J. March 6. Picks and pickaxes. - Picks for breaking up coal have short pointed arms a at rightangles to thearms b so as to prevent the flat of the pick from being used as a hammer. One of the arms b may have a cutting- edge b<1> extending on one or both sides of the arm for trimming large lumps of coal.
GB190605456D 1906-03-06 1906-03-06 Improvements in Picks or Coal breaking Instruments. Expired GB190605456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190605456T 1906-03-06

Publications (1)

Publication Number Publication Date
GB190605456A true GB190605456A (en) 1906-08-09

Family

ID=32168627

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190605456D Expired GB190605456A (en) 1906-03-06 1906-03-06 Improvements in Picks or Coal breaking Instruments.

Country Status (1)

Country Link
GB (1) GB190605456A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106706355A (en) * 2017-01-25 2017-05-24 徐工集团工程机械有限公司 Cutting test device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106706355A (en) * 2017-01-25 2017-05-24 徐工集团工程机械有限公司 Cutting test device
CN106706355B (en) * 2017-01-25 2024-04-30 江苏徐工工程机械研究院有限公司 Cutting test device

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