DRUM UNIT, CARTRIDGE AND COUPLING MEMBER

Organization Name

canon kabushiki kaisha

Inventor(s)

Tetsuo Uesugi of Suntou-gun (JP)

Makoto Hayashida of Numazu-shi (JP)

Koji Yamaguchi of Numazu-shi (JP)

Takashi Yano of Mishima-shi (JP)

DRUM UNIT, CARTRIDGE AND COUPLING MEMBER - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240310779 titled 'DRUM UNIT, CARTRIDGE AND COUPLING MEMBER

The abstract describes a cartridge for a photosensitive drum, featuring a coupling with a movable projection that can change positions relative to the rotational axis of the coupling.

The coupling includes a cylindrical main body positioned coaxially with the photosensitive drum and a projection that can move between two positions.
The projection's position affects its distance from the rotational axis of the coupling.
Part of the cylindrical main body is located outside the photosensitive drum, while another part is inside it.
The projection is at least partially positioned inside the photosensitive drum.

Potential Applications: - This technology could be used in printers, copiers, and other imaging devices that utilize photosensitive drums. - It may improve the efficiency and reliability of these devices by enhancing the coupling mechanism.

Problems Solved: - The movable projection allows for more precise control over the coupling, potentially reducing wear and tear on the photosensitive drum. - The design may also prevent misalignments or other issues that could affect print quality.

Benefits: - Enhanced durability and performance of imaging devices. - Improved print quality and consistency. - Simplified maintenance and servicing of equipment.

Commercial Applications: - This innovation could be valuable for manufacturers of printers, copiers, and other imaging equipment looking to enhance their products' performance and reliability.

Prior Art: - Researchers interested in this technology may want to explore patents related to coupling mechanisms in imaging devices or photosensitive drum technologies.

Frequently Updated Research: - Stay informed about advancements in coupling technologies for imaging devices and potential improvements in photosensitive drum designs.

Questions about the Technology: 1. How does the movable projection in the coupling mechanism impact the overall performance of the cartridge? 2. What are the potential implications of this technology for the imaging device industry?

Original Abstract Submitted

a cartridge includes a coupling positioned at an end of a photosensitive drum, with the coupling including (i) a cylindrical main body positioned coaxially with the photosensitive drum and open to outside of the cartridge and (ii) a projection positioned in the cylindrical main body. the projection is movable relative to the cylindrical main body between a first position and a second position such that an end of the projection is positioned closer to the rotational axis of the coupling when the projection is in the first position than when the projection is in the second position. a part of the cylindrical main body is positioned outside the photosensitive drum, and a part of the cylindrical main body is positioned inside of the photosensitive drum, and the projection is at least partially positioned inside of the photosensitive drum.