US 12,337,383 B2
Print cartridge for additive manufacturing
Andrew J. Bayramian, Marblehead, MA (US); April L. Cooke, Billerica, MA (US); Cote LeBlanc, Malden, MA (US); Drew W. Kissinger, Carlisle, MA (US); Francis L. Leard, Sudbury, MA (US); Harold W. Chittick, North Andover, MA (US); James A. DeMuth, Woburn, MA (US); Jeffrey Jarboe, Wakefield, MA (US); Joseph Gillespie, Boxford, MA (US); Kourosh Kamshad, Hudson, NH (US); Nicholas C. Ferreri, Portsmouth, NH (US); Ning Duanmu, Nashua, NH (US); Susanne Kras, Chelmsford, MA (US); Summer Kapuaimilia Mundon, Medford, MA (US); Yiyu Shen, Tewksbury, MA (US); and J. Thare MacDonald, Middleton, MA (US)
Assigned to Seurat Technologies, Inc., Wilmington, MA (US)
Filed by Seurat Technologies, Inc., Mountain View, CA (US)
Filed on May 26, 2021, as Appl. No. 17/330,961.
Claims priority of provisional application 63/030,757, filed on May 27, 2020.
Prior Publication US 2021/0370406 A1, Dec. 2, 2021
Int. Cl. B22F 12/00 (2021.01); B22F 10/28 (2021.01); B22F 12/30 (2021.01); B22F 12/41 (2021.01); B22F 12/52 (2021.01); B22F 12/67 (2021.01); B22F 12/90 (2021.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 40/00 (2020.01)
CPC B22F 10/28 (2021.01) [B22F 12/30 (2021.01); B22F 12/38 (2021.01); B22F 12/41 (2021.01); B22F 12/52 (2021.01); B22F 12/67 (2021.01); B22F 12/90 (2021.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 40/00 (2014.12)] 16 Claims
OG exemplary drawing
 
1. A cartridge for an additive manufacturing system, comprising:
a sealable chamber having a powder bed in a x-y plane;
a powder hopper positioned within the sealable chamber;
a powder spreader positioned within the sealable chamber for distributing powder from the powder hopper onto the powder bed; and
z-axis components comprising:
a print plate supporting the powder bed;
a plunger driven along the z-axis by a z-axis piston of a print station to lower the print plate after printing each layer at the powder bed; and
a clamp for connecting the plunger of the cartridge with the z-axis piston of the print station.