US 12,264,023 B2
Medium conveyance device and recording device
Ryoichi Morisawa, Nagano (JP); and Atsushi Nakazawa, Suwa (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Mar. 7, 2023, as Appl. No. 18/179,423.
Prior Publication US 2023/0278818 A1, Sep. 7, 2023
Int. Cl. B65H 1/26 (2006.01); B65H 3/06 (2006.01)
CPC B65H 1/266 (2013.01) [B65H 3/0684 (2013.01); B65H 2402/54 (2013.01); B65H 2404/1521 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A medium conveyance device, comprising:
a device body;
a sheet feeding cassette detachably provided to the device body;
a conveyance roller configured to come into contact with an upper surface of a medium placed on the sheet feeding cassette to convey the medium; and
a roller separation mechanism unit including a biasing unit configured to perform biasing in a direction in which the conveyance roller is separated from the medium, and having a rotation center along an attachment/detachment direction of the sheet feeding cassette, the roller separation mechanism unit being configured to rotate in response to an operation of inserting the sheet feeding cassette to bring the conveyance roller into contact with the medium, and configured to rotate in response to an operation of taking out the sheet feeding cassette to separate the conveyance roller from the medium, wherein
a direction orthogonal to the attachment/detachment direction is defined as a first direction, and a direction orthogonal to the attachment/detachment direction and the first direction is defined as a second direction,
the sheet feeding cassette includes a contact portion configured to come into contact with the roller separation mechanism unit and including a first inclined surface inclined to extend along a straight line including a component in the attachment/detachment direction and a component in the first direction, and
the roller separation mechanism unit includes a contacted portion configured to come into contact with the contact portion and including a second inclined surface inclined to extend along a straight line including a component in the attachment/detachment direction and a component in the second direction.