一种显影盒
By installing a cover in the developing cartridge to protect the electrical contact surface, the problem of easy damage to the electrical contact surface during loading, unloading, and movement is solved, and a stable electrical connection between the developing cartridge and the imaging device is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI YIBO E TECH CO LTD
- Filing Date
- 2025-07-03
- Publication Date
- 2026-07-17
AI Technical Summary
The electrical contact surfaces of existing developer cartridges are easily damaged by impacts during loading, unloading, and movement, affecting their stability in use.
A developing cartridge is designed, comprising a cover that covers the electrical contact surface. The cover is elastically deformable during installation to allow the electrical contact head to make contact, and protects the electrical contact surface from impact and dirt when not in use.
It effectively protects the electrical contact surfaces, improves the connection stability between the developing cartridge and the imaging device, prevents damage and contamination, and ensures stable electrical performance.
Smart Images

Figure CN224519140U_ABST
Abstract
Claims
1. A developing cartridge, detachably mountable to an electrophotographic imaging apparatus having an electrical contact component, the developing cartridge comprising: A housing for containing developer, the housing having a first side and a second side disposed opposite to each other in a first direction, and a third side and a fourth side disposed opposite to each other in a second direction intersecting the first direction; A developing roller, rotatable about a developing roller axis extending in the first direction, the developing roller being located on the third side of the housing in the second direction; A chip having an electrical contact surface, the electrical contact surface being located on the first side of the housing in the first direction; characterized in that the developing cartridge further comprises: A cover is positioned below the electrical contact surface in a third direction intersecting the first and second directions, and covers the electrical contact surface in the third direction. The cover includes a channel projected along the third direction, at least a portion of which overlaps with the electrical contact surface; The channel has a closed state and an open state, and the channel can switch from the closed state to the open state when the cover receives deformation under external force. In the open state, the electrical contact member can be inserted into the channel and come into contact with the electrical contact surface.
2. The process cartridge according to claim 1, wherein It also includes a support that can rotatably support the developing roller, the support having a chip receiving groove, the chip being supported by the chip receiving groove; In the third direction, the chip receiving slot is located at the bottom of the bracket.
3. The developing cartridge according to claim 1, characterized in that, It also includes a chip receiving slot that supports the chip, the chip receiving slot having an opening that extends through the chip receiving slot and the exterior of the developing cartridge in the third direction, and a cover located at the bottom of the opening and covering the opening.
4. The process cartridge of claim 3 wherein, At least a portion of the cover is configured to extend in the first direction, and the width of the cover in the first direction is greater than the width of the opening in the first direction.
5. The process cartridge of claim 1, wherein, In the first direction, the cover is close to the first side of the housing; In the second direction, the cover is close to the third side of the housing.
6. The process cartridge of claim 1, wherein, The cover is constructed as a sheet, and the channel is constructed as a closable channel opened on the sheet; The channel includes a first channel and a second channel that intersect each other, the first channel extending in the second direction and the second channel extending in a direction intersecting the second direction.
7. The process cartridge of claim 1, wherein, The cover is constructed as a burr layer composed of flexible fibers; The flexible fibers are staggered in the third direction.
8. The process cartridge of claim 1, wherein, In the third direction, the distance between the cover and the electrical contact surface is 0.2mm-2.3mm.
9. The developing cartridge according to claim 1, characterized in that, In the third direction, the thickness of the cover is 0.5mm-2mm.
10. The developer cartridge of claim 1, wherein, The third direction is perpendicular to the electrical contact surface.