Back to results
US 8,045,902 B2Granted
Developer conveying apparatus and image forming apparatus
AssigneeOki Data Corporation
InventorMakoto Yabuki
Life of this patent
Estimating the term…
Abstract
A developer conveying apparatus includes a first developer storing portion, a second developer storing portion, and a conveying pipe that connects the first and second developer storing portions. The conveying pipe includes a tubular main body and a conveying member rotatably provided in the main body. A groove is formed on a surface of the conveying member, and the groove has a depth less than or equal to 5 μm.
Claims8
A developer conveying apparatus comprising:
- a first developer storing portion;
- a second developer storing portion, and
- a conveying pipe that connects said first and second developer storing portions, said conveying pipe including a tubular main body and a conveying spiral rotatably provided in said main body,
- wherein a groove is formed on a surface of said conveying spiral, and said groove has a depth less than or equal to 5 μm.
1 more element
A developer conveying apparatus comprising:
- a first developer storing portion;
- a second developer storing portion, and
- a conveying pipe that connects said first and second developer storing portions, said conveying pipe including a tubular main body and a conveying member rotatably provided in said main body,
- wherein a notch effect factor of said conveying member obtained by nonlinear finite element analysis is in a range from 1.0 to 2.3.
1 more element
Dependencies are inferred from the claim text.