Patent ID: 8181948

Claim:
A support for supporting and holding a work piece for processing comprising: a body having a base with a first vacuum port for securing the body to a table using the first vacuum port, the body having an internal threaded structure; a threaded main support member having an external thread engaged with the internal threaded structure of the body to adjust a height of the threaded main support member; a central bearing nut threadably inserted into a set of internal threads carried by the threaded main support member, the central bearing nut having an upper portion having an uninterrupted curved surface and having maximum height at an axial center of the central bearing nut and curving radially evenly away from the maximum height at the axial center for facilitating bearing against and supporting an object having surfaces having a non-normal angle with respect to the central bearing nut; and an internally threaded locking nut threadably engaged with the external thread of the threaded main support member to lock the threaded main support member from threaded rotation with respect to the body.