# US 12,183,522 B1 · Pull-out keyboard assembly technical field > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,183,522 B1 - Document ID: US12183522B1 - Status: Granted - Kind: B1 - Application number: 18/807,919 - Filed: 2024-08-17 - Granted: 2024-12-31 - Earliest claimed: 2024-06-24 - Applicants: Shimeng Bao - Inventors: Shimeng Bao - Web page: https://patentgrep.com/patent/US12183522B1 ## CPC - H01H 13/86: characterised by the casing, e.g. sealed casings or casings reducible in size - G06F 3/0221: {Arrangements for reducing keyboard size for transport or storage, e.g. foldable keyboards, keyboards with collapsible keys (G06F3/0216 takes precedence; for keyboards integrated in a laptop computer G06F1/1666)} - H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract The present invention discloses a pull-out keyboard assembly, including: a base bracket mechanism, including a base body, where the base body is respectively provided with sliding grooves at two opposite ends; a rotating shaft bracket assembly movably arranged on the base body; and at least one restraint block and at least one first magnetic member respectively fixedly arranged on the base body; a keyboard mechanism, including a keyboard assembly and multiple ball assemblies respectively arranged on opposite sides of the keyboard assembly, where the keyboard assembly is fixedly provided with at least one restraint magnetic set, and the restraint magnetic set includes multiple second magnetic members arranged in parallel along a Y-axis direction; and a protective housing arranged on the rotating shaft bracket assembly, where the protective housing is snap-fitted into the keyboard mechanism through the rotating shaft bracket assembly. ## Claims ### Claim 1 A pull-out keyboard assembly, comprising: a base bracket mechanism, comprising a base body, wherein the base body is respectively provided with sliding grooves at two opposite ends; a rotating shaft bracket assembly movably arranged on the base body; and at least one restraint block and at least one first magnetic member respectively fixedly arranged on the base body; a keyboard mechanism, comprising a keyboard assembly, wherein two ends of the keyboard assembly are respectively movably arranged in corresponding sliding grooves of the provided sliding grooves; and multiple ball assemblies that are respectively arranged on opposite sides of the keyboard assembly and that come into contact with inner walls of the sliding grooves, wherein the keyboard assembly is fixedly provided with at least one restraint magnetic set, the restraint magnetic set comprises multiple second magnetic members arranged in parallel along a Y-axis direction, and the multiple second magnetic members respectively mutually attract corresponding first magnetic members of the at least one first magnetic members, to implement fixation of different relative positions of the keyboard mechanism with respect to the base bracket mechanism; and a protective housing, arranged on the rotating shaft bracket assembly, wherein the protective housing can be snap-fitted onto the keyboard mechanism through the rotating shaft bracket assembly, and a tablet computer is detachably arranged in the protective housing. ### Claim 2 (depends on 1) The pull-out keyboard assembly according to claim 1, wherein the first magnetic member and the second magnetic member are magnets. ### Claim 3 (depends on 1) The pull-out keyboard assembly according to claim 1, wherein the at least one first magnetic member is a magnet and each of the multiple second magnetic members is an iron block. ### Claim 4 (depends on 1) The pull-out keyboard assembly according to claim 1, wherein the at least one first magnetic member is an iron block and each of the multiple second magnetic members is a magnet. ### Claim 5 (depends on 1) The pull-out keyboard assembly according to claim 1, wherein at least one first accommodating groove of the sliding grooves is arranged in the base body and at least one first magnetic member is fixedly arranged in a corresponding first accommodating groove of the sliding grooves . ### Claim 6 (depends on 5) The pull-out keyboard assembly according to claim 5, wherein at least one accommodating cavity is further arranged in the base body and at least one restraint block is fixedly arranged in a corresponding accommodating cavity of the at least one accommodating cavity. ### Claim 7 (depends on 1) The pull-out keyboard assembly according to claim 1, wherein the rotating shaft bracket assembly comprises a connecting plate, movably arranged on the base body through a first rotating shaft; and a bracket movably arranged on the connecting plate through a second rotating shaft. ### Claim 8 (depends on 7) The pull-out keyboard assembly according to claim 7, wherein the first rotating shaft and the second rotating shaft are both damped rotating shafts. ### Claim 9 (depends on 7) The pull-out keyboard assembly according to claim 7, wherein a magnetic portion is arranged on the bracket and the protective housing is detachably and rotatably arranged on the bracket through the magnetic portion. ### Claim 10 (depends on 1) The pull-out keyboard assembly according to claim 1, wherein the keyboard assembly further comprises a keyboard body and a keyboard bottom plate; the keyboard bottom plate is fixedly arranged on the keyboard body; and a restraint magnetic set of the at least one restraint magnetic set is fixedly arranged on an outer or inner side of the keyboard bottom plate. ### Claim 11 (depends on 10) The pull-out keyboard assembly according to claim 10, wherein the keyboard body is a wireless keyboard. ### Claim 12 (depends on 10) The pull-out keyboard assembly according to claim 10, wherein multiple fixing seats are arranged on two opposite sides of the keyboard body and the multiple ball assemblies are fixedly arranged on corresponding fixing seats through fasteners. ### Claim 13 (depends on 12) The pull-out keyboard assembly according to claim 12, wherein the fastener is a fastening screw. ### Claim 14 (depends on 10) The pull-out keyboard assembly according to claim 10, wherein multiple second accommodating grooves are arranged on an inner side of the keyboard bottom plate and the restraint magnetic set is fixedly arranged in a corresponding second accommodating groove. ### Claim 15 (depends on 14) The pull-out keyboard assembly according to claim 14, wherein a restraint cavity is arranged at a position, corresponding to the restraint block, on the outer side of the keyboard bottom plate and the restraint block is movably arranged in the restraint cavity. ### Claim 16 (depends on 12) The pull-out keyboard assembly according to claim 12, wherein the ball assembly comprises a support frame, fixedly arranged on a side of the keyboard assembly; and at least one ball body that is movably arranged on the support frame and that comes into rolling contact with an inner wall of one of the provided sliding grooves. ### Claim 17 (depends on 16) The pull-out keyboard assembly according to claim 16, wherein at least one ball hole is arranged in the support frame and the ball body is movably arranged in a corresponding ball hole and comes into rolling contact with the inner wall of the provided sliding groove. ### Claim 18 (depends on 17) The pull-out keyboard assembly according to claim 17, wherein at least one fixing hole is also arranged through the support frame and the fastener fixes the support frame onto a corresponding fixing seat through the fixing hole.