Replaceable unit, sheet conveyance apparatus and image forming device
First Claim
Patent Images
1. A replaceable unit comprising:
- a feeding roller that feeds a sheet from a sheet accommodation portion that accommodates the sheet;
a conveyance roller that conveys the sheet fed by the feeding roller downstream in a sheet conveyance direction;
a first frame body that supports the feeding roller and the conveyance roller so as to be rotatable; and
a second frame body that supports the first frame body so as to be movable and is removably mounted at a position at which the feeding roller can touch against the sheet accommodated at the sheet accommodation portion,wherein a protruding piece, having a positioning hole formed therein, is provided at each side of the second frame body at a downstream side in the sheet conveyance direction of the conveyance roller, andwherein the protruding piece is adapted to have a projection, which is formed at a sheet conveyance device main body, inserted in the positioning hole, whereby the second frame body can move in the sheet conveyance direction.
2 Assignments
0 Petitions
Accused Products
Abstract
A replaceable unit includes a feeding roller that feeds a sheet from a sheet accommodation portion that accommodates the sheet; a conveyance roller that conveys the sheet fed by the feeding roller downstream; a first frame body that supports the feeding roller and the conveyance roller so as to be rotatable; and a second frame body that supports the first frame body so as to be movable and is removably mounted at a position at which the feeding roller can touch against the sheet accommodated at the sheet accommodation portion.
-
Citations
17 Claims
-
1. A replaceable unit comprising:
-
a feeding roller that feeds a sheet from a sheet accommodation portion that accommodates the sheet; a conveyance roller that conveys the sheet fed by the feeding roller downstream in a sheet conveyance direction; a first frame body that supports the feeding roller and the conveyance roller so as to be rotatable; and a second frame body that supports the first frame body so as to be movable and is removably mounted at a position at which the feeding roller can touch against the sheet accommodated at the sheet accommodation portion, wherein a protruding piece, having a positioning hole formed therein, is provided at each side of the second frame body at a downstream side in the sheet conveyance direction of the conveyance roller, and wherein the protruding piece is adapted to have a projection, which is formed at a sheet conveyance device main body, inserted in the positioning hole, whereby the second frame body can move in the sheet conveyance direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A replaceable unit comprising:
-
a feeding roller that feeds a sheet from a sheet accommodation portion that accommodates the sheet; a conveyance roller that conveys the sheet fed by the feeding roller downstream in a sheet conveyance direction; a first frame body that supports the feeding roller and the conveyance roller so as to be rotatable; a second frame body that supports the first frame body so as to be movable and is removably mounted at a position at which the feeding roller can touch against the sheet accommodated at the sheet accommodation portion; and a pressing portion disposed between the first frame body and the second frame body, the pressing portion pressing the first frame body in a direction in which the feeding roller touches against the sheet accommodated at the sheet accommodation portion, wherein the first frame body comprises; a pair of side plates respectively disposed at outer sides of the two axial direction ends of the feeding roller and the conveyance roller, the feeding roller and the conveyance roller being rotatably supported at the pair of side plates; and a connection portion disposed between the feeding roller and the conveyance roller and provided extending between the pair of side plates, the connection portion being joined with each of the pair of side plates; and wherein the pressing portion is disposed between the second frame body and the connection portion of the first frame body and at a central portion, in an axial direction of the feeding roller and the conveyance roller, of the connection portion, the pressing portion being formed with a resilient member to press the first frame body in a direction in which the feeding roller touches against the sheet accommodated at the sheet accommodation portion. - View Dependent Claims (16, 17)
-
Specification