# US 10,441,096 B2 · Mounting device for attaching a display device, a picture frame, or the like to a supporting structure > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,441,096 B2 - Document ID: US10441096B2 - Status: Granted - Kind: B2 - Application number: 15/913,754 - Filed: 2018-03-06 - Published: 2019-09-12 - Granted: 2019-10-15 - Earliest claimed: 2018-03-06 - Applicants: Chul Chung - Inventors: Chul Chung - Web page: https://patentgrep.com/patent/US10441096B2 ## CPC - A47G 1/17: using adhesives, suction or magnetism {(A47G1/168 takes precedence; suction cups for attaching purposes, equivalent means using adhesives F16B47/00)} - A47B 97/001: {Wall mounting or suspension arrangements for blackboards or the like (easels or stands A47B97/04)} - A47G 1/1613: {and being adjustable} - A47G 1/166: {for rotatably hanging or supporting} - F16M 11/041: {Allowing quick release of the apparatus} - F16M 11/10: around a horizontal axis {(F16M11/12 takes precedence)} - F16M 13/00: Other supports for positioning apparatus or articles (heads thereof F16M11/02 {; undercarriages thereof F16M11/20} ; adapted to be stuck in the ground A45F3/44 {; sockets or holders for poles or posts E04H12/22}); Means for steadying hand-held apparatus or articles {(supports for measuring instruments G01D11/30; supports for casings of remote control switching devices H01H9/025)} - H01F 7/04: Means for releasing the attractive force - H01F 7/06: Electromagnets; Actuators including electromagnets {(electric coils H01F5/00; devices for holding workpieces using electric force B23Q3/15; load-engaging elements for lifting articles electromagnetically B66C1/06; electromagnetic couplings F16D27/00; magnetic brakes F16D63/002; electromagnetically operated valves F16K11/24, F16K31/00; analysing materials by magnetic means G01N27/72, G01N27/80; electromagnets for winding mechanical clocks G04C1/02; electromagnetic relays H01H51/00; windings for salient poles of dynamo-electric machines H02K3/18; electromagnets for telegraphic communication H04L; for arc lamps H05B31/28)} - H01F 7/20: without armatures (cores H01F3/00; coils H01F5/00 {; shaping metal by applying magnetic forces B21D26/14; electromagnets specially adapted for NMR applications G01R33/381}) - H05K 5/0204: {Mounting supporting structures on the outside of casings} - F16M 2200/024: by positive interaction, e.g. male-female connections - A47G: HOUSEHOLD OR TABLE EQUIPMENT (book-ends A47B5/00; knives B26B) - A47B: TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE (furniture jointing F16B) - F16M: FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A mounting device for attaching an object to a supporting structure includes a first member including at least one first magnet and a projection, the first member configured to be attached to a supporting structure, a second member including at least one second magnet and a recess to receive the projection, the at least one second magnet configured to be attracted to the at least one first magnet, and an electromagnet selectively operable to provide magnetic force to couple the first and second members together. A method of mounting an electronic display to a supporting structure also is disclosed. ## Claims ### Claim 1 A mounting device for attaching an object to a supporting structure, the mounting device comprising: a first member including at least one first magnet and a projection, the first member configured to be attached to the supporting structure; a second member including at least one second magnet and a recess to receive the projection, the at least one second magnet configured to be attracted to the at least one first magnet; and an electromagnet selectively operable to provide magnetic force to couple the first and second members together; wherein the electromagnet has a power supply operable to reduce the magnetic force produced by the electromagnet while power is supplied to the electromagnet. ### Claim 2 (depends on 1) The device of claim 1, wherein: the at least one first magnet comprises a plurality of first magnets disposed alternately with opposite polarities, and the at least one second magnet comprises a plurality of second magnets disposed alternately with opposite polarities to match to the corresponding at least one first magnet. ### Claim 3 (depends on 1) The device of claim 1, wherein the electromagnet is an electropermanent magnet. ### Claim 4 (depends on 1) The device of claim 1, the at least one first magnet comprises a plurality of magnets arranged in at least one of a substantially circular layout, a substantially rectangular square layout, and a substantially cross-shaped layout. ### Claim 5 (depends on 1) The device of claim 1, wherein the projection and the recess comprise part of a detent mechanism including a spring biasing the projection into the recess. ### Claim 6 (depends on 1) The device of claim 1, wherein at least one of each of the first magnets and the second magnets has curved inner and outer surfaces disposed along a radius emanating from a center of circle formed by the first magnets. ### Claim 7 (depends on 1) The device of claim 1, wherein the recess comprises a groove having a depth less than about 1 mm. ### Claim 8 (depends on 1) The device of claim 1, wherein the object comprises one of an electronic display and a picture frame and the supporting structure comprises at least part of a wall. ### Claim 9 (depends on 1) The device of claim 1, wherein at least one of the first and second members comprises a plate. ### Claim 10 (depends on 1) The device of claim 1, wherein the second member comprises a portion of the object to be attached to the supporting structure. ### Claim 11 (depends on 10) The device of claim 10, wherein the object comprises an electronic display and the electromagnet has the power supply separate from the electronic display. ### Claim 12 A mounting device comprising: a first member comprising magnets and a protrusion, the first member configured to be attached to a supporting structure; and a second member comprising a portion of an electronic display to be attached to the supporting structure, the second member having a groove to receive the protrusion, wherein at least one of the magnets is an electromagnet having a power supply separate from the electronic display. ### Claim 13 (depends on 12) The device of claim 12, wherein the electromagnet is an electropermanent magnet. ### Claim 14 (depends on 12) The device of claim 12, wherein the protrusion and the groove comprise part of a detent mechanism including a spring biasing the protrusion into the groove. ### Claim 15 (depends on 12) The device of claim 12, wherein the groove has a depth less than about 1 mm. ### Claim 16 (depends on 12) The device of claim 12, wherein at least one of the first and second members comprises a plate.