A sheath for a soil working roller (20) of a soil processing machine, said sheath is rotatable about a roller axis of rotation and comprises a plurality of sheath segments (40), mounted or mountable to surround a roller body (22) of the soil working roller (20) and following one another in the circumferential direction, wherein a plurality of roller tools (48) is arranged on an outer side of the sheath segments (40) positioned to be facing away from the roller body, wherein at least one part of the roller tools (48) comprise an interchangeable holder mounted on a respective sheath segment (48) and a replaceable tool detachably mounted or mountable on the interchangeable holder of the same, wherein a fastening opening is formed in the interchangeable holder for accommodating a fastening shaft of a replaceable tool mounted or to be mounted on the interchangeable holder, wherein a tool through opening (84) is provided in association with the at least one interchangeable holder in the sheath segment (40) supporting the same.

The method for directionally swaying and resetting harrow teeth of a rolling harrow loader-excavator and the rolling harrow loader-excavator comprising a harrow rotary piece, directional sway and reset harrow teeth, a harrow supporter, a driving mechanism, a feeder mechanism and a body; each directional sway and reset harrow tooth comprises a torsion spring shaft supporting piece, a tooth handle sway limiting piece, a directional sway and reset tooth handle, a directional sway and reset tooth point, a torsion spring tooth handle shaft, a torsion spring and a torsion spring tooth handle shaft retaining piece.

A sheath for a soil working roller includes a plurality of sheath segments mounted or mountable to surround a roller body of the soil working roller and following one another in the circumferential direction. A plurality of roller tools is arranged on an outer side of the sheath segments and at least one part of the roller tools includes an interchangeable holder mounted on a respective sheath segment and a replaceable tool detachably mounted or mountable on the interchangeable holder. A fastening opening is formed in the interchangeable holder for accommodating a fastening shaft of a replaceable tool mounted or to be mounted on the interchangeable holder. An impacted tool through opening is provided in association with the at least one interchangeable holder in the sheath segment supporting the same for engaging the fastening shaft of the replaceable tool mounted on the interchangeable holder with an impacted tool.