Invention Grant
- Patent Title: Supporting device for an advance working or mining machine
- Patent Title (中): 用于先进工作或采矿机械的支撑装置
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Application No.: US12309720Application Date: 2007-07-20
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Publication No.: US07883298B2Publication Date: 2011-02-08
- Inventor: Erich Brandl
- Applicant: Erich Brandl
- Applicant Address: AT Zeltweg
- Assignee: Sandvik Mining and Construction G.m.b.H.
- Current Assignee: Sandvik Mining and Construction G.m.b.H.
- Current Assignee Address: AT Zeltweg
- Agency: Chapman and Cutler LLP
- Priority: ATA1285/2006 20060728
- International Application: PCT/AT2007/000355 WO 20070720
- International Announcement: WO2008/011647 WO 20080131
- Main IPC: E21D23/03
- IPC: E21D23/03
Abstract:
In a supporting device (2) for an advance working or mining machine (1), including support props (3) and at least one roof bar (4), the roof bar(s) (4), on their sides facing away from the support props (3), include(s) a plurality of support cylinders (5) with support stops, which can be separately braced against the roof.
Public/Granted literature
- US20090191011A1 SUPPORTING DEVICE FOR AN ADVANCE WORKING OR WINNING MACHINE Public/Granted day:2009-07-30
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