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:
Sep. 06, 2022
Filed:
Sep. 13, 2019
3dp Unlimited, Llc, Roscoe, IL (US);
Robert Schroeder, Machesney Park, IL (US);
Jonathan R. Schroeder, South Beloit, IL (US);
Joseph A. Binka, Belvidere, IL (US);
Kenshin Ushiroda, Beloit, WI (US);
3DP Unlimited, LLC, Roscoe, IL (US);
Abstract
A filament drive for an extruder for an additive manufacturing system is provided. A drive gear is driven by a motor. A first driven gear is operably driven by the drive gear. A first hob has a toothed outer periphery connected to the first driven gear. A second driven gear is operably driven by the drive gear. A second hob has a toothed outer periphery connected to the second driven gear. The toothed outer peripheries of the first and second hobs define a filament receiving zone therebetween. A filament extruder including a heating element operated at greater than 48 volts may be provided.