US 11,787,192 B2
Liquid supplying device having tank and cartridge attachable thereto
Hiroaki Takahashi, Nagoya (JP); Yoshinori Osakabe, Seto (JP); Akinari Ishibe, Okazaki (JP); Tatsuya Shindo, Nagoya (JP); and Masahiro Hayashi, Kiyosu (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Aug. 24, 2021, as Appl. No. 17/410,107.
Application 17/410,107 is a continuation of application No. 16/555,472, filed on Aug. 29, 2019, granted, now 11,117,382.
Application 16/555,472 is a continuation in part of application No. 15/902,755, filed on Feb. 22, 2018, granted, now 11,077,668, issued on Aug. 3, 2021.
Claims priority of application No. 2017-037642 (JP), filed on Feb. 28, 2017; and application No. 2018-163493 (JP), filed on Aug. 31, 2018.
Prior Publication US 2022/0040987 A1, Feb. 10, 2022
Int. Cl. B41J 2/175 (2006.01)
CPC B41J 2/17523 (2013.01) [B41J 2/17513 (2013.01); B41J 2/17553 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A liquid supplying device comprising:
a tank comprising a second storage chamber configured to store liquid;
a container configured to be attached to and detached from the tank in an attachment-detachment direction perpendicular to a vertical direction, the container comprising a first storage chamber configured to store the liquid;
a liquid passage in communication with the second storage chamber, the liquid passage having a first end connected to the second storage chamber and a second end opposite to the first end, the liquid passage having a first opening at the first end, the liquid passage being in communication with the second storage chamber through the first opening, the liquid passage having a second opening at the second end, the second opening being open to an atmosphere, the liquid passage protruding from the second storage chamber in the attachment-detachment direction; and
a gas passage in communication with the second storage chamber, the gas passage having a third end connected to the second storage chamber and a fourth end opposite to the third end, the gas passage having a third opening at the third end, the gas passage being in communication with the second storage chamber through the third opening, the gas passage having a fourth opening at the fourth end, the fourth opening being open to the atmosphere, the gas passage protruding from the second storage chamber in the attachment-detachment direction,
wherein the second opening is positioned lower than the fourth opening in the vertical direction,
wherein, in an attachment state where the first storage chamber is in communication with both the second opening and the fourth opening, the first storage chamber has a portion positioned above the liquid passage and the gas passage, and
wherein the second opening is closer to the first opening than the fourth opening is to the first opening in the attachment-detachment direction.