Patent ID: 8783598

Claim:
A web rewinding apparatus comprising: a turret winder comprising: a rotatably driven turret assembly supported for rotation about a central axis, said turret assembly supporting a plurality of rotatably driven mandrels, each of said mandrels being capable of having a web material convolutely wound thereabout, each of said mandrels being carried in a closed mandrel path about said central axis, each of said plurality of mandrels extending from said turret assembly at a first mandrel end and having a second unsupported end and having a mandrel axis generally parallel to said central axis, each of said plurality of mandrels being supported upon said turret assembly at said first mandrel end for independent rotation of said mandrel about said mandrel axis; and, a mandrel cupping assembly for releaseably engaging said second unsupported ends of said plurality of mandrels, said mandrel cupping assembly comprising: a plurality of cupping arms, each of said plurality of cupping arms being cooperatively associated with one of said plurality of mandrels, each of said cupping arms being capable of releaseably engaging said second unsupported ends of said cooperatively associated mandrel; a cupping spider having a hold-open cam track and a hold-closed cam track disposed radially and formed in a surface thereof, each cupping arm of said plurality of cupping arms being cooperatively associated with a respective chucking lever, each chucking lever providing connective engagement of each respective cupping arm with either of said hold-open cam track or said hold-closed cam track, each of said cupping arms being carried in a radial path about said central axis while said respective chucking lever cooperatively associated thereto is disposed in either of said hold-open cam track or said hold-closed cam track; and, a first actuator for disposing said respective chucking lever cooperatively associated with said cupping arm from said hold-open cam track to said hold-closed cam track.