Shield canopy for a shield-type support
AssigneeBucyrus Europe GmbH
InventorsDennis Dehmel, Detlef Hahn, Stefan Hengstler
Life of this patent
Estimating the term…
Abstract
A shield canopy for a shield-type support for underground mining having a canopy plate and a supporting structure being welded on below the canopy plate and having a plurality of longitudinal spars which extend from a rear canopy region up to a front canopy region. At least two of the longitudinal spars having section struts which are provided with a top section flange and a web running perpendicularly to the top section flange, and the canopy plate and the section struts are angled upwards in the front canopy region.
Claims20
1-15. (canceled)
A Shield canopy for a shield-type support for underground mining, the shield canopy comprising a canopy plate, comprising devices for connecting associated prop heads to the shield canopy, and comprising a supporting structure which is welded on below the canopy plate and has a plurality of longitudinal spars which extend from a rear canopy region, in which an associated accommodating devices for the associated prop heads can be arranged or are arranged, up to a front canopy region, in which the longitudinal spars taper in their height, at least two of the plurality of longitudinal spars have section struts which are each provided with a top section flange and a web running perpendicularly to the top section flange, the canopy plate and the section struts being angled upwards in the front canopy region.
Dependencies are inferred from the claim text.