Dual hob drive quick release high flow filament extruder
US11433611B2 · kind B2 · utility
1Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2019 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Apr 12, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y30/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.