Patent ID: 7836947

Claim:
A cleaning device connectable to a downhole tool for use within a well bore, the cleaning device comprising: a base member non-rotatably mountable to the downhole tool; and at least one sleeve member rotatably mountable to and around the base member, the sleeve member having a housing member, a support member, at least one protruding member, and a biasing device provided between the protruding member and the support member, wherein the support member has an outer surface, the housing member is fixedly attachable to the outer surface of the support member so that the support member is disposed between the base member and the housing member, the housing member having an aperture, and being configured to retain the protruding member on the support member whereby the protruding member protrudes through the aperture on the housing member and, in use, is biased by the biasing device towards and into contact with an inner surface of the well bore, wherein the base member has an outer surface, the support member comprises an annular sleeve surrounding the base member, the annular sleeve having an inner surface comprising a bearing material to bear against the outer surface of the base member.