| 摘要 |
An apparatus for use in forming a finish on a jewelry band includes a base including a base plate mountable to a fixed support and having a threaded bore oriented normally to the surfaces of the plate, a chassis including a chassis plate locatable adjacent the base plate and having a bore therethrough, the chassis also including a pair of supports mounted to the chassis plate, threaded screw means for securing the chassis plate to the base plate, and a mandrel having a frustro-conical shape for allowing the mounting of jewelry bands thereon, the supports having apertures therein for mounting the mandrel therein, wherein the chassis plate is rotatable with respect to a work surface upon which the apparatus is placed.
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