Importance

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Abstract

The disclosure relates to a concave (20) of a cone crusher and/or gyratory crusher for installation inside a crusher head (30), wherein the concave (20) has a central longitudinal axis (M) extending in the longitudinal direction of the concave, wherein the concave (20) has a feed (24.1) for material to be crushed on its top (O) and a crushed material discharge area (24.2) on its opposite bottom (U), and wherein the concave (20) has a base part (21) having an outer clamping surface (28). In order to reduce the amount of parts and installation work, provision is made according to the disclosure for the base part (21) to have a support section (25) having fastening lugs (26) projecting radially outwards, wherein the fastening lugs (26) are disposed spaced apart from one another in the circumferential direction of the support section (25) by means of spacer areas, wherein at least one clearance is provided in each of the spacer areas, which clearances permit a penetration in the direction of the central longitudinal axis (M) from the bottom (U) in the direction of the top (O), and wherein the radially outward extent of the clamping surface (28) is greater, at least sectionally, than the radially outward extent of the fastening lugs (26).

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First Claim