Invention Grant
- Patent Title: Roof support connector
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Application No.: US16666272Application Date: 2019-10-28
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Publication No.: US10914170B2Publication Date: 2021-02-09
- Inventor: Nicholas Graeme Barbour
- Applicant: Joy Global Underground Mining LLC
- Applicant Address: US PA Warrendale
- Assignee: Joy Global Underground Mining LLC
- Current Assignee: Joy Global Underground Mining LLC
- Current Assignee Address: US PA Warrendale
- Agency: Michael Best & Friedrich LLP
- Main IPC: E21D23/04
- IPC: E21D23/04 ; E21D23/00

Abstract:
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.
Information query