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US 11,534,769 B2Granted
Gyratory crusher bottomshell with inspection hatch assembly
AssigneeSandvik SRP AB
InventorsMichael Skog, Adrien Henssien, Sonny Ek, Mikael Larsson, Magnus Fredriksson, Jan Johansson
Life of this patent
Estimating the term…
Abstract
A gyratory crusher bottomshell and inspection hatch assembly is attachable exclusively to the bottomshell via a wear plate positioned at an internal region of the bottomshell. A wall thickness of the bottomshell at a border region immediately surrounding the hatch opening is generally equal to or less than a wall thickness over a remainder region of the wall at the same axial height position of the hatch opening.
Claims14
A gyratory crusher bottomshell comprising:
- an annular wall extending around a longitudinal axis of the bottomshell, the annular wall having a radially outward facing surface, a radially inward facing surface, an annular axial upper end and an annular axial lower end;
- and
- at least one hatch opening provided through the annular wall, wherein at a border region of the wall surrounding the hatch opening a radial thickness of the wall is not greater than a radial wall thickness over a remainder region of the wall outside of the border region at the same corresponding axial position of the hatch opening.
Dependencies are inferred from the claim text.