Abstract: A hammer cage for a hammer mill comprising a main part with a bottom area and slots for positioning hammers in said hammer cage, and said bottom area comprises a surface that prevents any movement of the hammers out of said hammer cage through said bottom area, and wherein said main part further comprises a front and a rear portion with respective openings for releasably arranging said hammer cage in said hammer mill. The present invention is furthermore related to a hammer mill comprising at least one hammer cage.

Abstract: A stationary device, which is mounted on at least one hydraulic and/or pneumatic suspension element, for treating and/or processing bulk material in the bulk material processing industry. At least one suspension element is hydraulically and/or pneumatically regulated and/or controlled dependent on the position and/or speed and/or acceleration and/or weight, whereby at least one perpendicular positioning of the device can be adjusted.