Patent CN122172978A discloses a “magnetic-switch keyboard with a flip cover.” Its core innovation lies in replacing the traditional hinge-and-latch flip mechanism with a design based on the “synergistic interaction of multiple magnets.” Through a dual magnetic attraction system—involving Magnet A interacting with an iron strip, and Magnet B interacting with Magnet A—the device achieves an integrated, intelligent opening and closing mechanism that combines a wrist rest with a dust cover. This patent addresses more than just the act of flipping the cover; it enables the cover to serve three simultaneous functions—dust protection, wrist support, and portable storage—while reducing the device’s volume by approximately half when closed. Meanwhile, mass-produced products such as the Eazsoo series have already implemented similar tri-fold flip structures, while brands like Dareu (Ultra 75) and HEXGEARS (BOX68 HE) have validated the product value of flip structures on magnetic-switch keyboards through different technical approaches.
I. Basic Patent Information
Patent CN122172978A, filed on May 11, 2026, falls within the field of computer peripheral technology and specifically discloses a magnetic-switch keyboard with a flip cover.
Based on the claims and the specification, the patent’s core protection focuses on the magnetic attraction structure between the flip cover and the keyboard housing, as well as how the flip cover functions as both a “dust cover” and a “wrist rest” depending on its open or closed state.
II. Structural Breakdown: Components of the Flip Cover
The flip cover assembly itself is a multi-layer composite structure. According to the patent specification, the flip cover comprises: a top folding trim strip, thumbscrews, top cover frame A, a top cover iron strip, top cover frame B, tempered glass, and Magnet A.
Top cover frame A and top cover frame B are designed to fit together, with frame A rotatably mounted on the inner side of frame B. Both frames interface with the top folding trim strip and are rotatably connected to the upper section of that strip.
The housing section consists of an upper cover, a lower cover, and an upper cover iron strip. The lower section of the upper cover is secured to the lower cover via screws, while the front side of the upper cover engages with the upper cover iron strip. Crucially, the lower section of the top cover’s metal strip embeds several magnets (labeled “B”), which align with magnets (labeled “A”) on the flip cover.
III. Synergistic Magnetism: How the Opening and Closing Logic Works
This represents the core technical solution of the patent. Traditional flip-style keyboards typically rely on mechanical hinges and latches, resulting in a stiff feel and susceptibility to wear. Patent CN122172978A replaces this mechanical logic with a magnetic attraction system.
Closed State (Dust Cover Mode): When the flip cover is folded toward the keyboard, magnets A on the cover magnetically engage with magnets B on the housing, securely locking the cover over the key area. The patent describes this as the “magnetic structure locking into place again, with the cover tightly overlaying the upper part of the keyboard.”
Open State (Wrist Rest Mode): When the user lightly presses top cover frame A, the magnetic connection instantly releases. Frame A pivots upward, driving the rotation of top cover frame B, until frame A folds back against the inner side of frame B. At this point, magnets A re-engage securely with the metal strip, **naturally forming a wrist rest**.
Regarding the number of magnets, the patent specifies the use of “two to three magnets A, arranged non-continuously,” aiming to balance magnetic holding power with the design requirement for a lightweight structure.
IV. Two-Stage Flip Angles: Ergonomic Design at 15° and 30°
The patent specification reveals another detail: the two-stage flip design offers two preset angles—a slight 15° tilt and a steeper 30° tilt—allowing users to switch freely based on the usage scenario.
The 15° mode is suitable for seated use, aligning the keyboard’s tilt with the natural curve of the wrists to reduce strain. The 30° mode is designed for standing or use with a stand, aligning the keyboard angle with the user’s line of sight to prevent slouching or hunching over. Long-term use can effectively alleviate fatigue in the cervical spine, lumbar spine, and wrists.
This design demonstrates that the flip cover is not merely an “either-or” choice between a dust cover and a wrist rest; it also serves the function of adjusting the keyboard’s tilt angle. Users do not need an additional kickstand to adjust the keyboard angle; the flip cover itself serves as a support structure with adjustable tilt.
V. Storage and Protection: Practical Benefits of the Flip Cover
Foldability for storage is the most immediate product benefit of this patent. The two-stage flip design allows the keyboard’s volume to be reduced to approximately half its original size when closed. The patent describes this as “significantly saving storage space,” noting a reduced footprint whether the device is packed in a laptop bag or briefcase, or placed on a desktop, dormitory desk, or hotel table.
Dust protection is another core value of the flip cover. When the two-stage cover is closed, the keys are fully enclosed, creating a sealed protective space that effectively prevents dust, debris, water droplets, and other impurities from entering the gaps between keys. Additionally, the cover protects key surfaces from scratches and impacts, making it suitable for households with children and pets, or for users in dusty environments such as construction sites or workshops.
VI. Magnetic Switches and Acoustic Structure
The patent explicitly specifies in its claims that the switches are “magnetic switches.” Magnetic switches are characterized by responsive performance and precise actuation travel; when combined with a multi-layer acoustic structure (including sound-enhancing pads, noise-dampening pads, silicone pads, etc.), they significantly optimize the typing feel and noise reduction performance.
The key structure, from bottom to top, consists of: keycap, switch, mounting plate, switch stem, bottom switch pad, sound-enhancing pad, PCBA, noise-dampening pad, and silicone pad. The silicone pad is placed inside the housing with a cutout reserved for the battery, and an EVA pad is attached to the underside of the battery.
VII. Significance of the Patent Analysis
CN122172978A represents a new direction in keyboard structural design: replacing mechanical hinges with a magnetic attachment solution, thereby enabling the flip cover to serve multiple functions.
Traditional flip-cover keyboards typically address only a single issue—either dust protection or storage—and mechanical hinges are prone to wear and loosening over time. Through a coordinated multi-magnet design, this patent elevates the flip cover from a “single-function accessory” to a “multi-functional structural component,” serving simultaneously as a dust cover, wrist rest, tilt adjuster, and folding mechanism for storage. For readers interested in keyboard structural innovation, the significance of this patent lies not in the use of magnetic attachment itself—a feature already present in existing keyboards—but in the specific design of the magnetic interactions (between Magnet A and Magnet B, and between Magnet A and the iron strip) and the logic governing the linked flipping action of the top cover frames (A and B). This design ensures that the positioning of magnetic contact points and the direction of applied forces are precisely calculated for transitions between states, thereby avoiding issues where the cover fails to latch securely or becomes impossible to open.
In terms of industry trends, competition in the magnetic switch keyboard market is shifting from the switches themselves to the overall structural design. With switch actuation travel now achieving 0.001mm precision and polling rates reaching the 8K era, structural differentiation is poised to become the next key selling point. While the flip-cover structure represents just one avenue of exploration, it highlights a broader concept: the keyboard’s casing and accessories are no longer merely static housing but functional components that actively shape the user experience.
