GB1165152A - Roof Support Assembly suitable for use in a Mine - Google Patents

Roof Support Assembly suitable for use in a Mine

Info

Publication number
GB1165152A
GB1165152A GB4744865A GB4744865A GB1165152A GB 1165152 A GB1165152 A GB 1165152A GB 4744865 A GB4744865 A GB 4744865A GB 4744865 A GB4744865 A GB 4744865A GB 1165152 A GB1165152 A GB 1165152A
Authority
GB
United Kingdom
Prior art keywords
frames
support assembly
arms
roof support
mine
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
GB4744865A
Inventor
Aubrey Mason Griffiths
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to GB4744865A priority Critical patent/GB1165152A/en
Publication of GB1165152A publication Critical patent/GB1165152A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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

Abstract

1,165,152. Advancing mine roof supports. DOWTY MINING EQUIPMENT Ltd. 21 Dec., 1966 [9 Nov., 1965], No. 47448/65. Heading E1P. In an advancing mine roof support assembly comprising two frames 1, 4 arranged in parallel the frames are interconnected by arms 7, 9 which are pivoted to one another at 11 and to the frames at 8, 10 thereby allowing relative advancement of the frames. More than one pair of such arms may be provided interconnecting the respective floor skids and/or roof bars. The arms may be resilient or resiliently connected to the frames.
GB4744865A 1965-11-09 1965-11-09 Roof Support Assembly suitable for use in a Mine Expired GB1165152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4744865A GB1165152A (en) 1965-11-09 1965-11-09 Roof Support Assembly suitable for use in a Mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4744865A GB1165152A (en) 1965-11-09 1965-11-09 Roof Support Assembly suitable for use in a Mine

Publications (1)

Publication Number Publication Date
GB1165152A true GB1165152A (en) 1969-09-24

Family

ID=10445002

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4744865A Expired GB1165152A (en) 1965-11-09 1965-11-09 Roof Support Assembly suitable for use in a Mine

Country Status (1)

Country Link
GB (1) GB1165152A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601001A1 (en) * 1976-01-13 1977-07-14 Johannes Winkler Mine roof support for inclined seams - has pivoting guide attached to similar guide equipment of adjoining support unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601001A1 (en) * 1976-01-13 1977-07-14 Johannes Winkler Mine roof support for inclined seams - has pivoting guide attached to similar guide equipment of adjoining support unit

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees