Hand-held three-dimensional drawing device
US9731444B2 · kind B2 · utility
1Cited by
29References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2015 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Aug 26, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G23/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A three-dimensional (3D) drawing device having a housing configured for manipulation by a user's hand and to accept a feed stock that is, in certain embodiments, a strand of thermoplastic. The drawing device has a nozzle assembly with an exit nozzle and a motor connected to a gear train that engages the strand of thermoplastic feed stock such that rotation of the motor causes the feed stock to be extruded out of the exit nozzle to form a three-dimensional object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.