发明名称 |
Developer supply member, developing unit, and image forming apparatus |
摘要 |
A developer supply member, a developing unit, and an image forming apparatus are provided that maintain high-quality image forming. The developer supply member includes: a rotation shaft; a base material which covers the rotation shaft and has a closed-cell foam structure containing a silicone rubber as a main constituent; and a coating film formed on an outer surface of the base material. The developer supply member satisfies an expression of T≧−0.15×H+9.6, and 54≦H≦69, where T is a thickness of the coating film measured in micrometers and H is Asker F hardness measured in degrees on a surface of the coating film. |
申请公布号 |
US9405215(B2) |
申请公布日期 |
2016.08.02 |
申请号 |
US201514717822 |
申请日期 |
2015.05.20 |
申请人 |
OKI DATA CORPORATION |
发明人 |
Masui Naoki |
分类号 |
G03G15/08 |
主分类号 |
G03G15/08 |
代理机构 |
Rabin & Berdo, P.C. |
代理人 |
Rabin & Berdo, P.C. |
主权项 |
1. A developer supply member, comprising:
a rotation shaft; a base material which covers the rotation shaft and has a closed-cell foam structure containing a silicone rubber as a main constituent; and a coating film formed on an outer surface of the base material; the developer supply member satisfying an expression of T≧−0.15×H+9.6, and 54≦H≦69, where T is a thickness of the coating film measured in micrometers and H is Asker F hardness measured in degrees on a surface of the coating film. |
地址 |
Tokyo JP |