Find all needed information about Mobile Roof Support Patents. Below you can see links where you can find everything you want to know about Mobile Roof Support Patents.
https://patents.justia.com/patents-by-us-classification/405/288
Abstract: A mine roof and rib support can be a support member having a roof support arm and a rib support arm, wherein the roof support arm is provided at an angle to the rib support arm. An aperture for a roof bolt is provided through the support member adjacent an intersection of the roof support arm and the rib support arm.
http://www.jhfletcher.com/products/mrs.html
Mobile Roof Supports (MRS) - Fixed Frame, Low Seam A video is available for this machine. These MRS are designed for thin seam pillar recovery. There are two models, one with a 32" (.8m) collapsed height and one with 36" (0.9m) collapsed height.
https://patents.google.com/patent/US4779635A/en
A canopy structure is provided and includes a framework unit and a flexible covering. The framework unit is formed by a plurality of upright corner members and a plurality of roof support members that are pivotally connected at the top ends of the corner members and, in an erected position, extend upwardly and inwardly to a central apex where they are pivotally connected to …Cited by: 117
https://patents.google.com/patent/US5584611A/en
The present invention is directed to a movable load support used for supporting the roof in underground excavations. The load support includes a primary roof support carried on a base frame and an auxiliary roof support also carried on said base frame but laterally disposed from the primary roof support. The auxiliary roof support is longitudinally and laterally moveable …Cited by: 6
https://patents.justia.com/assignee/gullick-dobson-limited
Patents Assigned to Gullick Dobson Limited Mine roof supports. Patent number: 5423638 Abstract: A mine roof support having means for monitoring the angles made by the canopy 11 and the base 10 with respect to a datum. The angular information may be gathered in a number of different ways and the information used to control subsequent movements ...
http://www.freepatentsonline.com/3891275.html
Jun 24, 1975 · What is claimed as new and desired to be protected by Letters Patent is set forth in the appended 1. A mobile mine roof support for use in mine galleries of greatly different height, comprising elongated sole plate means arranged to rest on the floor of a mine gallery and having a front end directed to the face of the mine gallery and a rear end; a rear shield …
https://www.youtube.com/watch?v=O4S88rwYDEg
Jan 15, 2013 · Fletcher Mobile Roof Supports® Retreat Mining J.H. Fletcher. Loading... Unsubscribe from J.H. Fletcher? ... coal mine roof fall afrter pillaring - …
https://www.youtube.com/watch?v=CNn4wcgkpbg
Dec 31, 2017 · An easy to understand and follow how-to video showing how to inexpensively repair sagging mobile home roof trusses. It will require some work, but cheaper in the long run than hiring a contractor ...
https://www.roofingcontractor.com/articles/91024-building-research-systems-awarded-two-new-roofing-patents
May 27, 2015 · Patent No. 9,003,733, invented by Leo Neyer, is a standing seam strengthening apparatus that is incorporated into clips that are configured to connect a standing seam to an underlying support structure. The issuance of this patent will provide additional patent protection for clips (including the new BRS wind clips) and seams.
http://www.jhfletcher.com/products/mrs/mMRSspec.pdf
operations using Mobile Roof Supports for retreat mining is growing. The mining in-dustry is seeing that, when properly used, Mobile Roof Supports can allow the eco-nomic recovery of reserves with a higher degree of safety and improved productivity. Features Roof Support Assembly • Rugged design made from high strength alloy steel.
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