发明名称 DEVELOPING ROLLER AND DEVELOPING DEVICE PROVIDED WITH THE SAME
摘要 A developing roller configured to carry developer and extending in an axial direction includes: a hollow cylindrical rubber portion; and a shaft. The hollow cylindrical rubber portion has axial end faces. The shaft extends through the hollow cylindrical rubber portion and has a shaft portion positioned inward of the axial end faces of the hollow cylindrical rubber portion in the axial direction. The shaft portion has an axially middle portion and axial end portions positioned outward of the axially middle portion in the axial direction. The axially middle portion has an outer diameter smaller than that of each of the axial end portions.
申请公布号 US2014294434(A1) 申请公布日期 2014.10.02
申请号 US201414224276 申请日期 2014.03.25
申请人 IMAI Masashi;OGISO Marika 发明人 IMAI Masashi;OGISO Marika
分类号 G03G15/08 主分类号 G03G15/08
代理机构 代理人
主权项 1. A developing roller configured to carry developer and extending in an axial direction, the developing roller comprising: a hollow cylindrical rubber portion having axial end faces; and a shaft extending through the hollow cylindrical rubber portion and having a shaft portion positioned inward of the axial end faces of the hollow cylindrical rubber portion in the axial direction, the shaft portion having an axially middle portion and axial end portions positioned outward of the axially middle portion in the axial direction, the axially middle portion having an outer diameter smaller than that of each of the axial end portions.
地址 Kasugai-shi JP