GB1107379A - Improvements in or relating to pivotally supported members particularly of mine roof supports - Google Patents

Improvements in or relating to pivotally supported members particularly of mine roof supports

Info

Publication number
GB1107379A
GB1107379A GB32595/64A GB3259564A GB1107379A GB 1107379 A GB1107379 A GB 1107379A GB 32595/64 A GB32595/64 A GB 32595/64A GB 3259564 A GB3259564 A GB 3259564A GB 1107379 A GB1107379 A GB 1107379A
Authority
GB
United Kingdom
Prior art keywords
mine roof
relating
pivotally supported
roof supports
supported members
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
GB32595/64A
Inventor
Peter Derek Davis-Ratcliffe
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.)
Gullick Ltd
Original Assignee
Gullick 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 Gullick Ltd filed Critical Gullick Ltd
Priority to GB32595/64A priority Critical patent/GB1107379A/en
Priority to US476333A priority patent/US3309054A/en
Publication of GB1107379A publication Critical patent/GB1107379A/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
    • E21D23/0418—Positioning devices and stabilizing means for the props
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

1,107,379. Hydraulic jacks. GULLICK Ltd. 27 July, 1965 [11 Aug., 1964], No. 32595/64. Headihg B8J. [Also in Division E1] An advancing jack 18c for a mine roof support is mounted by a yoke 19 on a fixed support 20 as shown and has a sliding, spherical bush 23 located in a concave seating in a member 24 slidably supported in the support 20. The arrangement is such that when the bush 23 is aligned with the seating 21, 22 as shown the jack is universally movable whereas relative longitudinal movement of these members serve to prevent same.
GB32595/64A 1964-08-11 1964-08-11 Improvements in or relating to pivotally supported members particularly of mine roof supports Expired GB1107379A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB32595/64A GB1107379A (en) 1964-08-11 1964-08-11 Improvements in or relating to pivotally supported members particularly of mine roof supports
US476333A US3309054A (en) 1964-08-11 1965-08-02 Pivotal supporting devices particularly for mine roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32595/64A GB1107379A (en) 1964-08-11 1964-08-11 Improvements in or relating to pivotally supported members particularly of mine roof supports

Publications (1)

Publication Number Publication Date
GB1107379A true GB1107379A (en) 1968-03-27

Family

ID=10341081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32595/64A Expired GB1107379A (en) 1964-08-11 1964-08-11 Improvements in or relating to pivotally supported members particularly of mine roof supports

Country Status (2)

Country Link
US (1) US3309054A (en)
GB (1) GB1107379A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1226815A (en) * 1967-04-28 1971-03-31
GB1206283A (en) * 1967-07-28 1970-09-23 Herbert Cotterill Ltd Improvements in or relating to mine roof supports
US3534560A (en) * 1968-01-31 1970-10-20 Bergwerksverband Gmbh Traveling casing systems for mine workings
DE1800562A1 (en) * 1968-10-02 1970-07-09 Becorit Grubenausbau Gmbh Spring-loaded punch supports for a pit support element
GB1295075A (en) * 1969-04-08 1972-11-01
AT310114B (en) * 1971-12-14 1973-09-25 Oesterr Alpine Montan Device for straightening the stamp of an expansion frame
US4030308A (en) * 1976-05-21 1977-06-21 Fletcher Sutcliffe Wild Limited Mine roof supports
GB1546630A (en) * 1976-12-29 1979-05-23 Fletcher Sutcliffe Wild Ltd Mine roof supports
US5538364A (en) * 1995-02-14 1996-07-23 Huntsman; Steven D. Yieldable mine post having a double ball and socket configuration

Also Published As

Publication number Publication date
US3309054A (en) 1967-03-14

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