Medium conveyance apparatus and image forming apparatus

摘要

A medium conveyance apparatus used in an image forming apparatus, includes a medium mounting unit held at a body or apparatus frame for mounting a medium, a conveying member supported rotationally around an axis to the body for conveying the medium, and a separating member being held at the body and contacting with the conveying member. The medium mounting unit includes an engaging portion for engaging the body, whereas the body or apparatus frame includes an engaged portion to be engaged with the engaging portion, and the engaging portion includes a contacting portion for regulating the body or apparatus frame in a conveyance direction of the medium. This medium conveyance apparatus maintains improved medium conveyance capability for a long period.

主权项

1. A medium conveyance apparatus comprising:
a frame member secured to a body; a medium mounting unit for mounting a medium, rotatably attached to the frame member; a conveying member for conveying the medium rotatably attached to the frame member; and a separating member attached to the frame member and contacting the conveying member, wherein the medium mounting unit includes an engaging portion and the frame member includes an engaged portion engageable with the engaging portion, the engaging portion including an extending portion and a contacting portion,
the extending portion extending downstream from a downstream side of the medium mounting unit, toward a conveyance direction of the medium, andthe contacting portion extending substantially perpendicularly from a downstream side of the extending portion toward the separating member, and including a contacting surface facing upstream in the conveyance direction of the medium, and the engaged portion including a contacted surface located upstream of the contacting surface in the conveyance direction of the medium, for contacting the contacting surface; and wherein the engaging portion engages the engaged portion when the medium mounting unit is located in an operational position for conveying the medium.