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US 2019/0292909 A1Published application
System for Re-Tensioning Mine Roof Channels
AssigneeFCI Holdings Delaware, Inc.
InventorsBen Mirabile, Brandon Shane Stables
Life of this patent
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AssigneeFCI Holdings Delaware, Inc.
InventorsBen Mirabile, Brandon Shane Stables
Estimating the term…
A system for re-tensioning mine roof channels includes a roof plate having a first side, a second side positioned opposite the first side, and a sidewall extending therebetween, where the first side is configured to engage a surface of a mine roof, and where the sidewall defines a radially extending slot configured to receive a mine roof bolt. The system also includes a spacer having a first side, a second side positioned opposite the first side, and a sidewall extending therebetween, with the first side of the spacer configured to engage with the second side of the roof plate, and the sidewall defining a slot configured to receive a mine roof bolt, and a nut having a first side, a second side positioned opposite the first side, a sidewall therebetween, and a threaded opening, with the sidewall defining a radially extending slot configured to receive a mine roof bolt.
A system for re-tensioning mine roof channels comprising:
A method for re-tensioning a mine roof channel held by a mine roof bolt to a mine roof, wherein the mine roof bolt comprises a mine roof shaft, the method comprising:
The method of claim 17, further comprising placing a spacer plate between the mine roof channel and the nut by inserting the shaft of the roof bolt into a radially extending slot of the spacer plate.
The method of claim 17, further comprising placing a supplemental spacer between the spacer and the roof plate by inserting the shaft of the roof bolt into a radially extending slot of the supplemental spacer.
Dependencies are inferred from the claim text.