Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatus
First Claim
Patent Images
1. An image forming apparatus, comprising:
- an image forming mechanism configured to form an image; and
an image bearing mechanism detachably provided to the image forming apparatus, the image bearing mechanism comprising;
an image bearing member configured to bear the image formed by the image forming mechanism; and
a through shaft configured to support the image bearing member.
1 Assignment
0 Petitions
Accused Products
Abstract
An image forming apparatus includes an image forming mechanism and an image bearing member. The image forming mechanism is configured to form an image. The image bearing mechanism is detachably provided to the image forming apparatus. The image bearing mechanism includes an image bearing member configured to bear the image formed by the image forming mechanism, and a through shaft configured to support the image bearing member.
97 Citations
53 Claims
-
1. An image forming apparatus, comprising:
-
an image forming mechanism configured to form an image; and
an image bearing mechanism detachably provided to the image forming apparatus, the image bearing mechanism comprising;
an image bearing member configured to bear the image formed by the image forming mechanism; and
a through shaft configured to support the image bearing member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
-
17. An image forming apparatus, comprising:
-
forming means for forming an image;
bearing means for bearing the image formed by the forming means, the bearing means being in a hollow cylindrical shape and having first and second open end portions and an intermediate hollow portion arranged between and communicating with the first and second open end portions, and comprising;
a first flange including a first opening at a center portion thereof and arranged at the first open end portion of the bearing means; and
a second flange including a second opening at a center portion thereof and arranged at the second open end portion of the bearing means; and
carrying means for carrying the bearing means, wherein the bearing means and the carrying means are unified in one unit and configured to be detachably provided to the image forming apparatus. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
-
-
33. A method for assembling an image forming apparatus, comprising the steps of:
-
providing an image bearing member formed in a hollow cylindrical shape and having first and second open end portions and intermediate hollow portion arranged between and communicating with the first and second open end portions;
arranging a first flange including a first opening at a center portion thereof at the first open end portion of the image bearing member;
arranging a second flange including a second opening at a center portion thereof at the second open end portion of the image bearing member;
preparing a through shaft;
inserting the through shaft into the image bearing member through the first opening of the first flange, the intermediate hollow portion, and the second opening of the second flange;
engaging the through shaft with the image bearing member; and
mounting the image bearing member engaged with the through shaft detachably to the image forming apparatus. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
-
-
50. A process cartridge detachably provided to an image forming apparatus, comprising:
-
an image forming mechanism; and
an image bearing mechanism detachably provided to the image forming apparatus, the image bearing mechanism comprising;
an image bearing member configured to bear an electrostatic latent image; and
a through shaft configured to support the image bearing member. - View Dependent Claims (51)
-
-
52. A process cartridge detachably provided to an image forming apparatus, comprising:
-
bearing means for bearing the image formed by the forming means, the bearing means being in a hollow cylindrical shape and having first and second open end portions and an intermediate hollow portion arranged between and communicating with the first and second open end portions, and comprising;
a first flange including a first opening at a center portion thereof and arranged at the first open end portion of the bearing means; and
a second flange including a second opening at a center portion thereof and arranged at the second open end portion of the bearing means; and
carrying means for carrying the bearing means, wherein the bearing means and the carrying means are unified in one unit and configured to be detachably provided to the image forming apparatus.
-
-
53. A method for assembling a process cartridge, comprising the steps of:
-
providing an image bearing member formed in a hollow cylindrical shape and having first and second open end portions and an intermediate hollow portion arranged between and communicating with the first and second open end portions;
arranging a first flange including a first opening at a center portion thereof at the first open end portion of the image bearing member;
arranging a second flange including a second opening at a center portion thereof at the second open end portion of the image bearing member;
preparing a through shaft;
inserting the through shaft into the image bearing member through the first opening of the first flange, the intermediate hollow portion, and the second opening of the second flange;
engaging the through shaft with the image bearing member; and
mounting the image bearing member engaged with the through shaft detachably to the process cartridge.
-
Specification