Patent ID: 7624980

Claim:
Rotary vacuum wicketting arrangement with tool-less adjustment and detachment for cleaning; comprising a rotary shaft a rotary hub mounted to rotate with said shaft and including a main hub body portion having a plurality of peripheral arm sockets angularly distributed thereon; a split grip ring secured to said main hub body portion and including one or more hand levers that can be set to a first portion in which the grip ring grips the hub to said shaft and to a second position in which the grip ring is released from gripping said shaft, in which said split grip ring is formed as two semi-annular members joined by a pair of threaded posts, with the associated ones of said hand levers being affixed onto top ends of said threaded posts and positioned to rotate said threaded posts, such that the split grip ring can be loosened on said shaft and re-secured without tools; a wear plate secured onto one face of said main hub body portion, with openings communicating with said arm sockets; a plurality of vacuum pickup anus releasably secured into respective ones of said arm sockets and projecting generally radially from said rotary hub; and a non-rotating vacuum hub positioned on said shaft and facing said wear plate of said rotary hub applying vacuum to said arms over a portion of their rotation about said shaft.