Cartridge where biasing member is reliably held on coupling member
US10331077B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2017 |
| Grant date | Jun 25, 2019 |
| Priority date | — |
| Expiry date | Dec 4, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cartridge that can be mounted in and detached from main body of an apparatus of an image forming apparatus includes: a rotating member that rotates upon reception of driving force from main body of the apparatus; a coupling member that includes a force receiving portion for receiving the driving force from main body of the apparatus via a drive shaft, transmits the driving force to the rotating member by rotating, and is capable of moving relative to the rotating member; and a wire-shaped biasing member for biasing the coupling member, wherein the coupling member includes a groove that is contacted by the biasing member, and an opening width of the groove is wider than a wire diameter of the biasing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.