Title:
液体容器および液体残量検出装置
Document Type and Number:
Japanese Patent JP6624905
Kind Code:
B2
Abstract:
A liquid container can be mounted to an apparatus in which an optical sensor is installed. The liquid container has a reservoir storing a liquid, a detection chamber communicates with the reservoir and a displacement member displacing according to an amount of liquid stored in the reservoir. The displacement member has a light shielding part that moves in a first direction between a position where light of the optical sensor is shielded and a position where the light is not shielded and a regulating member regulating movement of the displacement member in a direction crossing the first direction. An inner wall of the detection chamber has a first area facing the light shielding part and transmitting the light of the optical sensor and a second area facing the regulating member. The first area and the second area are connected via a ridgeline having an inter-surface angle larger than 180 degrees.
Inventors:
Kazuya Yoshii
Hiroki Hayashi
Takaoka Tsubasa
Ryo Shimamura
Akira Shiba
Hiroki Hayashi
Takaoka Tsubasa
Ryo Shimamura
Akira Shiba
Application Number:
JP2015230601A
Publication Date:
December 25, 2019
Filing Date:
November 26, 2015
Export Citation:
Assignee:
Canon Inc
International Classes:
B41J2/175
Domestic Patent References:
| JP2005262564A | ||||
| JP2007144811A | ||||
| JP2007268793A | ||||
| JP2011235440A | ||||
| JP2005125738A | ||||
| JP2001304943A |
Foreign References:
| EP2505363A2 | ||||
| CN102729636A | ||||
| KR1020130005970A |
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office