Brother Industries has been granted a patent for a drum cover that can move relative to a photosensitive drum, allowing for efficient toner supply. The design includes a toner cartridge guide to facilitate attachment. The distance between the toner cartridge guide and drum cover varies based on the cover’s position. GlobalData’s report on Brother Industries gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Brother Industries, E-transaction user interfaces was a key innovation area identified from patents. Brother Industries's grant share as of February 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Cartridge with movable drum cover and toner storage
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A recently granted patent (Publication Number: US11927895B2) discloses a cartridge design comprising a drum cartridge with a photosensitive drum and a movable drum cover, along with a toner cartridge for storing toner. The drum cover can move between covering and uncovering the photosensitive drum, with a toner cartridge guide facilitating attachment. The design ensures that the distance between the toner cartridge guide and the drum cover is longer when the cover is in the uncovered position, allowing for efficient toner supply to the drum. Additionally, the toner cartridge is attached from the drum side of the drum cartridge, enhancing ease of use and maintenance.
Furthermore, the patent details features such as a rotatable drum cover, a development roller in the toner cartridge for toner supply, and a holder accommodating the toner cartridge. The design also includes a wire cleaner for maintenance purposes, aligning with the drum cover's position. The toner cartridge is equipped with a toner handle for easy carrying and protrudes in a specific direction when the drum cover is in the uncovered position. Overall, the cartridge design aims to optimize toner supply to the photosensitive drum while ensuring user-friendly attachment and maintenance processes, enhancing the efficiency and usability of the cartridge system.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
