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1. WO2020092265 - ROOF SUPPORT CONNECTOR

Publication Number WO/2020/092265
Publication Date 07.05.2020
International Application No. PCT/US2019/058393
International Filing Date 28.10.2019
IPC
E21D 23/00 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
23Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyors, mining machines or guides therefor
E21D 23/04 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
23Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyors, mining machines or guides therefor
04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
CPC
E21D 23/0034
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
23Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
0004along the working face
0034comprising a goaf shield articulated to a base member
E21D 23/0409
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
23Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
0409Aligning or guiding means for the supports or for the constitutive parts of the supports
Applicants
  • JOY GLOBAL UNDERGROUND MINING LLC [US]/[US]
Inventors
  • BARBOUR, Nicholas Graeme
Agents
  • MARSTALL, Brian J.
  • MILLER, Thomas, A.
Priority Data
62/752,06529.10.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ROOF SUPPORT CONNECTOR
(FR) RACCORD DE SOUTÈNEMENT DE TOIT
Abstract
(EN)
A connector for coupling a plurality of underground roof supports, each roof support including a canopy. The connector includes a guide configured to be coupled to one of the roof supports, and an actuator having a bore and a rod at least partially positioned in the bore. An end of the rod is slidably coupled to the guide. A cable has a first end coupled to the end of the rod and a second end adapted for connection to another of the roof supports.
(FR)
Raccord destiné à accoupler une pluralité de soutènements de toit souterrains, chaque soutènement de toit comprenant un auvent. Le raccord comprend un guide conçu pour être accouplé à l'un des soutènements de toit, et un actionneur ayant un trou et une tige au moins partiellement positionnée dans le trou. Une extrémité de la tige est accouplée coulissante au guide. Un câble comporte une première extrémité accouplée à l'extrémité de la tige et une seconde extrémité conçue pour être raccordée à un autre des soutènements de toit.
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