|7005576||Permissible controller cover resistant to fastener breakage|
An assembly includes a structural member or frame that supports a load. The frame has a rectangular opening therein to a cavity within the frame that is adapted to house electrical components therein. There are a plurality of opening screw holes in the frame and spa...
|5518299||Dust control apparatus for longwall mining machinery|
Apparatus for substantially removing dust created during mining by a mining machine, which has an elongated mobile frame and a laterally extending rotating drum at each end thereof for shearing material to be won from a mine face, from air moving along th...