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:
Oct. 18, 2016
Filed:
Jul. 31, 2014
Brian L. Douglass, Willman, MN (US);
Carl R. Douglass, Iii, Willmar, MN (US);
Brian L. Douglass, Willman, MN (US);
Carl R. Douglass, III, Willmar, MN (US);
Douglass Innovations, Inc., Spicer, MN (US);
Abstract
A fused filament fabrication system and method comprises a motor for moving the system along a linear rail during operation, a drive gear coupled to the motor. The drive gear rotates in the direction of the motor during operation and selectively operatively engages first or second idler gears during operation of the system. The system also comprises first and second filaments for the selective passage of material to corresponding first and second extruders, the first filament is positioned between the first idler gear shaft and idler bearing and the second filament is positioned between the second idler gear shaft and idler bearing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile