Debarking shaft for a debarking machine

A debarking shaft (3) for a debarking machine (1), said debarking machine being intended for the decortication or pretreatment of logs (2) for separately performed final barking and for the expulsion of at least some of the removed barks from a wood flow passing through the debarking machine, said debarking machine comprising a number of rotatable debarking shafts (3) extending parallel to the advancing direction of the logs (2) to be fed therethrough and provided with a number of teeth (4) extending beyond the circumferential surface of the shaft (3) and adapted to strip bark off the presently processed logs (2) transversely to the lengthwise direction of the logs and at the same to convey the logs transversely relative to said shafts (3), and said shafts (3), together with the teeth (4) thereof, being adapted to constitute at least a part of a support surface, upon which the presently processed logs (2) travel through the debarking machine (1), characterized in that the debarking shaft (3) has its teeth (4) designed as a number of annular tooth rims (20), each of said tooth rims comprising two or more releasably connected elements (21, 22), having the outer periphery provided with the teeth (4) and said elements being adapted to be fitted around a body member (25) of the debarking shaft (3) by way of press clamping.