Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 26, 2016
Patent Application Number
13708116
Date Filed
December 7, 2012
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A filament drive mechanism for use with an additive manufacturing system, the filament drive mechanism comprising first and second drive shafts engaged with each other and configured to rotate in opposing rotational directions around substantially parallel and fixed axes, where the first and second drive shafts include engagement surfaces substantially aligned with each other for engaging a filament therebetween.
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