The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2016
Filed:
Dec. 07, 2012
Applicant:
Stratasys, Inc., Eden Prairie, MN (US);
Inventors:
Shawn M. Koop, Blaine, MN (US);
Peter D. Schuller, Elko, MN (US);
Paul J. Leavitt, Minneapolis, MN (US);
Assignee:
Stratasys, Inc., Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B 17/00 (2006.01); B65H 51/10 (2006.01); B29C 47/02 (2006.01); B29C 67/00 (2006.01); B29C 47/00 (2006.01); B29C 47/08 (2006.01);
U.S. Cl.
CPC ...
B65H 51/10 (2013.01); B29C 47/025 (2013.01); B29C 67/0055 (2013.01); B29C 47/0002 (2013.01); B29C 47/0806 (2013.01); B29C 47/0823 (2013.01); B29C 67/0092 (2013.01);
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.