Excel Foundry and Machine, Inc.
|Excel Foundry and Machine, Inc. Patent applications|
|Patent application number||Title||Published|
|20100081532||Drive tumbler - A drive tumbler comprises a hub having attached thereto a plurality of replaceable rim segments. The rim segments are supported by a plurality of raised blocks that are formed integral with the hub and serve to absorb the shear forces to which the tumbler is subject during operation.||04-01-2010|