US 12,220,930 B2
Liquid discharge head and recording device
Kenko Gejima, Kirishima (JP)
Assigned to KYOCERA Corporation, Kyoto (JP)
Filed by KYOCERA Corporation, Kyoto (JP)
Filed on Jan. 29, 2024, as Appl. No. 18/425,592.
Application 18/425,592 is a continuation of application No. 17/877,545, filed on Jul. 29, 2022, granted, now 11,919,322.
Application 17/877,545 is a continuation of application No. 17/000,132, filed on Aug. 21, 2020, granted, now 11,420,458, issued on Aug. 23, 2022.
Application 17/000,132 is a continuation of application No. 16/399,403, filed on Apr. 30, 2019, granted, now 10,752,033, issued on Aug. 25, 2020.
Application 16/399,403 is a continuation of application No. 15/539,254, granted, now 10,315,447, issued on Jun. 11, 2019, previously published as PCT/JP2015/085781, filed on Dec. 22, 2015.
Claims priority of application No. 2014-262681 (JP), filed on Dec. 25, 2014.
Prior Publication US 2024/0165979 A1, May 23, 2024
Int. Cl. B41J 29/377 (2006.01); B41J 2/14 (2006.01); B41J 2/21 (2006.01)
CPC B41J 29/377 (2013.01) [B41J 2/14209 (2013.01); B41J 2/14233 (2013.01); B41J 2/21 (2013.01); B41J 2002/14459 (2013.01); B41J 2002/14491 (2013.01); B41J 2202/08 (2013.01); B41J 2202/12 (2013.01); B41J 2202/20 (2013.01); B41J 2202/21 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A liquid discharge head, comprising:
a secondary flow channel member comprising a first surface, a second surface opposite to the first surface, a plurality of discharge holes opened in the first surface, and a plurality of pressurizing chambers communicated with the plurality of the discharge holes, and
a primary flow channel member is disposed on the second surface, and supplies a liquid to the plurality of the pressurizing chambers,
wherein the primary flow channel member comprises a first opening for supplying the liquid to the primary flow channel member and a second opening for collecting the liquid from the primary flow channel member, and the primary flow channel member comprises a flow channel formed of a resin.