Patent ID: 8864487
Filing Date: 2014-10-21
Classification: B28B,Y10S,Y10T

Abstract:
1. A device for attachment to a wheelhead of a pottery wheel for securely holding a workpiece during rotation of the wheelhead and device, the device comprising: a wheelhead member including a substantially planar bottom surface to engage at least a portion of a top surface of the wheelhead, and a substantially planar top surface defining a working surface for acceptance of the workpiece thereon, wherein the wheelhead member is made of a single piece, the wheelhead member including at least four slots through the wheelhead member; and a holding member coupled to each slot of the wheelhead member configured to abut at least four separate and distinct points of the workpiece that has been placed on the working surface of the wheelhead member, each holding member including a sliding member that is proximate the bottom surface of the wheelhead member, a stop member that is proximate the top surface of the wheelhead member, and a locking member coupled to the stop member and the sliding member, wherein the at least four holding members are independently movable with respect to one another and the wheelhead member and are selectively lockable via the locking member at differing positions along the at least four slots with respect to the wheelhead member to securely hold the workpiece to substantially maintain a predetermined position and orientation of the workpiece during rotation of the wheelhead and device.