Title:
3D PEN ENABLING EXPRESSION OF VARIOUS COLORS
Document Type and Number:
WIPO Patent Application WO/2022/045533
Kind Code:
A1
Abstract:
The present invention relates to a 3D pen which can individually transport a plurality of 3D printing filaments by using only the rotational force of one motor to enable expression of various colors. The present invention provides: a case in which a plurality of inlet ports are provided at one side so that filaments of different colors are inserted and which has an internal space; a nozzle unit which is coupled to the other side of the case and is provided with a heating wire to heat the filaments and discharges molten filaments to the outside; and a transfer unit which is mounted in the inner space of the case and supplies each filament to the nozzle unit, wherein the transfer unit has a plurality of driven shaft bevel gears simultaneously engaged with a drive shaft bevel gear installed in one motor and transfers each filament by the rotational force transmitted from each driven shaft bevel gear.
Inventors:
KO KYOUNG JA (KR)
Application Number:
PCT/KR2021/006855
Publication Date:
March 03, 2022
Filing Date:
June 02, 2021
Export Citation:
Assignee:
BUNDA CO LTD (KR)
International Classes:
B29C64/118; B29C64/209; B29C64/25; B29C64/295; B29C64/336; B33Y10/00; B33Y30/00; B33Y40/00; B33Y70/00; B43K8/00
Foreign References:
| KR102099870B1 | 2020-04-10 | |||
| KR101673234B1 | 2016-11-07 | |||
| KR20170093431A | 2017-08-16 | |||
| US20190111725A1 | 2019-04-18 | |||
| KR20180001044U | 2018-04-16 | |||
| KR102225876B1 | 2021-03-10 |
Attorney, Agent or Firm:
SEAH INTERNATIONAL PATENT AND LAW FIRM (KR)
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