GB1237803A - Improvements relating to advanceable mine roof supports - Google Patents

Improvements relating to advanceable mine roof supports

Info

Publication number
GB1237803A
GB1237803A GB39844/69A GB3984469A GB1237803A GB 1237803 A GB1237803 A GB 1237803A GB 39844/69 A GB39844/69 A GB 39844/69A GB 3984469 A GB3984469 A GB 3984469A GB 1237803 A GB1237803 A GB 1237803A
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof supports
improvements relating
aug
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
GB39844/69A
Inventor
Konrad Grebe
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
Publication of GB1237803A publication Critical patent/GB1237803A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Bathtub Accessories (AREA)
  • Tents Or Canopies (AREA)

Abstract

1,237,803. Advancing mine roof supports. K. GREBE. 8 Aug., 1969 [8 Aug., 1968], No. 39844/69. Addition to 1,106,070. Heading E1P. In an advancing mine roof support assembly comprising two frames interconnected in parallel for selective advance and coupled by guide means to permit selective displacement as claimed in claim 1 of Specification 1,106,070 the roof and/or floor rails are each attached to the guide means by a pivoted link 5 having scissor-arms 1,.2 and 3, 4 adapted to be urged into alignment, see Fig. 1 (not shown), by a spring 8. Separation of the arms of the scissors is restricted by abutments such as 35', 36' on a guide member 30'.
GB39844/69A 1968-08-08 1969-08-08 Improvements relating to advanceable mine roof supports Expired GB1237803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681758794 DE1758794A1 (en) 1968-08-08 1968-08-08 Longwall construction team for a hiking expansion

Publications (1)

Publication Number Publication Date
GB1237803A true GB1237803A (en) 1971-06-30

Family

ID=5695227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39844/69A Expired GB1237803A (en) 1968-08-08 1969-08-08 Improvements relating to advanceable mine roof supports

Country Status (5)

Country Link
US (1) US3563040A (en)
JP (1) JPS495085B1 (en)
DE (1) DE1758794A1 (en)
FR (1) FR2016891A6 (en)
GB (1) GB1237803A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111946371A (en) * 2020-09-03 2020-11-17 迁安市凯达工贸有限责任公司 Support system for mining roof and anchor rod machine for underground mining

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111946371A (en) * 2020-09-03 2020-11-17 迁安市凯达工贸有限责任公司 Support system for mining roof and anchor rod machine for underground mining
CN111946371B (en) * 2020-09-03 2022-03-11 迁安市凯达工贸有限责任公司 Support system for roof of mining of roof bolter

Also Published As

Publication number Publication date
FR2016891A6 (en) 1970-05-15
DE1758794A1 (en) 1971-02-11
JPS495085B1 (en) 1974-02-05
US3563040A (en) 1971-02-16

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