US 12,280,598 B2
Printhead cleaning devices with cleaning agent fountains
Chris Paul Schodin, San Diego, CA (US); and Krzysztof Nauka, Palo Alto, CA (US)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 18/015,248
Filed by Hewlett-Packard Development Company, L.P., Spring, TX (US)
PCT Filed Jul. 7, 2020, PCT No. PCT/US2020/040967
§ 371(c)(1), (2) Date Jan. 9, 2023,
PCT Pub. No. WO2022/010457, PCT Pub. Date Jan. 13, 2022.
Prior Publication US 2023/0264477 A1, Aug. 24, 2023
Int. Cl. B41J 2/165 (2006.01)
CPC B41J 2/16552 (2013.01) [B41J 2/16538 (2013.01); B41J 2002/16555 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A printhead cleaning device, comprising:
a first spout to generate a first cleaning agent fountain to bathe a printhead die as it traverses over the printhead cleaning device, wherein the first cleaning agent fountain is a meniscus fountain that maintains fluid cohesion as it is generated at the first spout;
a pump to pass cleaning agent through the first spout to generate the first cleaning agent fountain; and
a structure to support the first spout.