Excel Foundry and Machine, Inc.
Excel Foundry and Machine, Inc. Patent applications | ||
Patent application number | Title | Published |
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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 |