US 12,306,557 B2
Shutter mechanism, powder container, and developing device
Nobuo Takami, Kanagawa (JP)
Assigned to RICOH COMPANY, LTD., Tokyo (JP)
Filed by Nobuo Takami, Kanagawa (JP)
Filed on Mar. 8, 2024, as Appl. No. 18/599,287.
Claims priority of application No. 2023-042945 (JP), filed on Mar. 17, 2023.
Prior Publication US 2024/0310753 A1, Sep. 19, 2024
Int. Cl. G03G 15/08 (2006.01)
CPC G03G 15/0886 (2013.01) [G03G 15/0872 (2013.01); G03G 2215/0692 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A shutter mechanism comprising:
an opening;
an opening and closing part attached to the opening and openable and closable;
a first fitting part disposed at one end with reference to a center of the opening in an open direction of the opening and closing part to move in the open direction to make engagement;
a second fitting part disposed at another end opposite the one end with reference to the center of the opening to move in the open direction to make engagement, the first fitting part and the second fitting part detachably attached to a powder container containing a powder used to form an image, the first fitting part and the second fitting part used for positioning in a direction intersecting with the open direction; and
a butt face orthogonal to the open direction, the butt face contacting the powder container when the first fitting part and the second fitting part engage with the powder container, the butt face contacting the powder container in a direction parallel to an engaging direction of the first fitting part and the second fitting part,
the engaging direction of the first fitting part and the second fitting part parallel to the open direction of the opening and closing part.