Invention Grant
US09436155B2 Developing cartridge provided with receiving member capable of efficiently transmitting drive force to developer carrier 有权
具有能够有效地将驱动力传递给显影剂载体的接收构件的显影盒

Developing cartridge provided with receiving member capable of efficiently transmitting drive force to developer carrier
Abstract:
A developing cartridge includes: a casing; a developer carrier; and a receiving member. The casing includes a support portion. The receiving member receives a drive force from an external drive source to transmit the drive force to the developer carrier. The receiving member has a cylindrical configuration. The support portion rotatably supports the receiving member. The receiving member includes: a receiving portion; a transmission portion; and a fitting portion. The receiving portion has an outer edge in a radial direction of the receiving member. The transmission portion defines an outer circumferential edge of the receiving member. The fitting portion is positioned inward of the transmission portion in the radial direction and fitted with the support portion. The outer edge of the receiving portion is positioned inward of the transmission portion in the radial direction and outward of the fitting portion in the radial direction.
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