Conveyance member, developer cartridge, and image-forming apparatus

1. A conveyance member comprising:

a rotational shaft;

a support portion that extends from the rotational shaft in a direction crossing an axial direction of the rotational shaft; and

an arcuate member that includes one end that is supported by the support portion, and another end that extends in a direction different from the rotational direction, wherein a distance between an outer edge of the arcuate member at the other end and the rotational shaft is longer than a distance between an outer edge of the arcuate member at the one end and the rotational shaft.

2. The conveyance member according to claim 1 , wherein a thickness of the arcuate member at the one end is larger than a thickness of the arcuate member at the other end.

3. The conveyance member according to claim 1 , further comprising:

another support portion that extends from the rotational shaft in a direction crossing an axial direction of the rotational shaft; and

another arcuate member that includes one end that is supported by the other support portion, and another end that extends in a direction different from the rotational direction, wherein:

the other arcuate member is adjacent to the arcuate member in the axial direction of the rotational shaft; and

a part of the arcuate member and a part of the other arcuate member overlap each other, as viewed in a direction perpendicular to the axial direction of the rotational shaft.

4. The conveyance member according to claim 2 , further comprising:

another support portion that extends from the rotational shaft in a direction crossing an axial direction of the rotational shaft; and

another arcuate member that includes one end that is supported by the other support portion, and another end that extends in a direction different from the rotational direction, wherein:

the other arcuate member is adjacent to the arcuate member in the axial direction of the rotational shaft; and

a part of the arcuate member and a part of the other arcuate member overlap each other, as viewed in a direction perpendicular to the axial direction of the rotational shaft.

5. The conveyance member according to claim 1 , wherein the rotational shaft has a substantially cross-shape when viewed in cross-section in a longitudinal direction.

6. The conveyance member according to claim 1 , further comprising:

another support portion that extends from the rotational shaft in a direction crossing an axial direction of the rotational shaft; and

another arcuate member that includes one end that is supported by the other support portion, and another end that extends in a direction different from the rotational direction, wherein the arcuate member and the other arcuate member are arranged in a substantially zig-zag manner, as viewed in a direction perpendicular to the axial direction of the rotational shaft.

7. The conveyance member according to claim 1 , further comprising a scraping member provided at the rotational shaft.

8. The conveyance member according to claim 1 , further comprising a substantially U-shaped discharging member provided at the rotational shaft.

9. A developer cartridge comprising:

a cartridge body including:

a chamber that contains developers; and

an outlet that discharges the developers from the chamber, and

a conveyance member that is caused to rotate in the cartridge body, the conveyance member comprising:

a rotational shaft;

a support portion that extends from the rotational shaft in a direction crossing an axial direction of the rotational shaft; and

an arcuate member that includes one end that is supported by the support portion, and another end that extends in a direction different from the rotational direction, wherein a distance between an outer edge of the arcuate member at the other end and the rotational shaft is longer than a distance between an outer edge of the arcuate member at the one end and the rotational shaft.

10. The developer cartridge according to claim 9 , wherein a thickness of the arcuate member of the conveyance member at the one end is larger than a thickness of the arcuate member of the conveyance member at the other end.

11. The developer cartridge according to claim 9 , wherein the rotational shaft of the conveyance member has a substantially cross-shape when viewed in cross-section in a longitudinal direction.

12. The developer cartridge according to claim 9 , wherein:

the conveyance member further comprises:

another support portion that extends from the rotational shaft in a direction crossing an axial direction of the rotational shaft; and

another arcuate member that includes one end that is supported by the other support portion, and another end that extends in a direction different from the rotational direction, and

the arcuate member and the other arcuate member are arranged in a substantially zig-zag manner, as viewed in a direction perpendicular to the axial direction of the rotational shaft.

13. The developer cartridge according to claim 9 , wherein the conveyance member further comprises a scraping member provided at the rotational shaft.

14. The developer cartridge according to claim 9 , wherein the conveyance member further comprises a substantially U-shaped discharging member provided at the rotational shaft.

15. An image-forming apparatus comprising:

an image carrier that carries an image;

a latent-image-forming unit that forms a latent image on the image carrier;

a developing unit that develops the latent image;

a transfer unit that transfers an image developed by the developing unit to a recording medium;

a fixing unit that fixes an image transferred by the transfer unit on a recording medium; and

a developer cartridge including:

a cartridge body having:

a chamber that stores developers to be used by the developing unit; and

an outlet that discharges the developers from the chamber, and

a conveyance member that is caused to rotate in the cartridge body, the conveyance member comprising:

a rotational shaft;

a support portion that extends from the rotational shaft to a direction crossing an axial direction of the rotational shaft; and

an arcuate member that includes one end that is supported by the support portion, and another end that extends in a direction different from the rotational direction, wherein a distance between an outer edge of the arcuate member at the other end and the rotational shaft is longer than a distance between an outer edge of the arcuate member at the one end and the rotational shaft.

16. The image-forming apparatus according to claim 15 , wherein a thickness of the arcuate member of the conveyance member at the one end is larger than a thickness of the arcuate member of the conveyance member at the other end.

17. The image-forming apparatus according to claim 15 , wherein the rotational shaft of the conveyance member has a substantially cross-shape when viewed in cross-section in a longitudinal direction.

18. The image-forming apparatus according to claim 15 , wherein:

the conveyance member further comprises:

another support portion that extends from the rotational shaft in a direction crossing an axial direction of the rotational shaft; and

another arcuate member that includes one end that is supported by the other support portion, and another end that extends in a direction different from the rotational direction, and

the arcuate member and the other arcuate member are arranged in a substantially zig-zag manner, as viewed in a direction perpendicular to the axial direction of the rotational shaft.

19. The image-forming apparatus according to claim 15 , wherein the conveyance member further comprises a scraping member provided at the rotational shaft.

20. The image-forming apparatus according to claim 15 , wherein the conveyance member further comprises a substantially U-shaped discharging member provided at the rotational shaft.