发明名称 |
End-side member, photoreceptor drum unit and process cartridge |
摘要 |
There is provided an end-side member to be arranged at an end of a photoreceptor drum unit which is detachably attached to an image forming apparatus body, the image forming apparatus body including a drive shaft having a concave portion, the concave portion being a hole having a substantially triangular cross-sectional shape and twisted in an extending direction of an axial line of the drive shaft. The end-side member includes a convex-shaped bearing member which is engageable with and disengageable from the concave portion. A depression to be engaged with a rim of an opening of the concave portion is formed in at least a part of an outer circumferential surface of the bearing member. |
申请公布号 |
US9182731(B2) |
申请公布日期 |
2015.11.10 |
申请号 |
US201414257291 |
申请日期 |
2014.04.21 |
申请人 |
MITSUBISHI CHEMICAL CORPORATION |
发明人 |
Ikeda Shuichi;Iijima Shinichi |
分类号 |
G03G21/16;G03G21/18;G03G15/00 |
主分类号 |
G03G21/16 |
代理机构 |
Oblon, McClelland, Maier & Neustadt, L.L.P. |
代理人 |
Oblon, McClelland, Maier & Neustadt, L.L.P. |
主权项 |
1. An end-side member to be arranged at an end of a photoreceptor drum unit which is detachably attached to an image forming apparatus body, the image forming apparatus body including a drive shaft having a concave portion, wherein the concave portion is a hole having a triangular cross-sectional shape and twisted in an extending direction of an axial line of the drive shaft and a projection member projecting from the concave portion along the axis of the drive shaft, the end-side member comprising:
a convex-shaped bearing member which is engageable with and disengageable from the concave portion, wherein a depression to be engaged with a rim of an opening of the concave portion is formed in at least a part of an outer circumferential surface of the bearing member, wherein a hole extends along an axis of the end-side member, and wherein the projection member that projects from the concave portion is configured to be inserted into the hole. |
地址 |
Chiyoda-ku JP |