# US 12,120,839 B2 · Casing assembly and electronic device including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,839 B2 - Document ID: US12120839B2 - Status: Granted - Kind: B2 - Application number: 18/054,207 - Filed: 2022-11-10 - Published: 2023-12-21 - Granted: 2024-10-15 - Earliest claimed: 2022-06-21 - Assignees: Wistron Corporation - Applicants: Wistron Corp. - Inventors: Long-Hua Wu; Zhong-Hui Mao; Chih Yao Chou - Web page: https://patentgrep.com/patent/US12120839B2 ## CPC - H05K 7/1487: {Blade assemblies, e.g. blade cases or inner arrangements within a blade} - H05K 7/1438: {Back panels or connecting means therefor; Terminals; Coding means to avoid wrong insertion} - H05K 7/1489: {characterized by the mounting of blades therein, e.g. brackets, rails, trays (H05K7/1491 takes precedence)} - H05K 7/183: {support rails therefor} - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A casing assembly includes a frame, a support member, and an elastic holder, where the frame includes a frame bottom plate and a partition, the partition is disposed on the frame bottom plate and includes an engagement structure located at a side of the partition located away from the frame bottom plate, the support member is disposed on the frame bottom plate, and the elastic holder is disposed on the frame bottom plate and includes a holding structure movable with respect to the frame bottom plate. ## Claims ### Claim 1 A casing assembly, comprising: a frame comprising a frame bottom plate, a frame top plate and a partition, wherein the frame top plate is located above the frame bottom plate, the partition is disposed on the frame bottom plate and comprises an engagement structure located at a side of the partition which is located away from the frame bottom plate, and wherein the partition is a plate disposed between the frame top plate and the frame bottom plate, and the engagement structure is located on top of the partition; a support member disposed on the frame bottom plate; and an elastic holder disposed correspondingly to the support member on the frame bottom plate and comprising a holding structure movable with respect to the frame bottom plate; and the support member further comprises a supporting structure, and the supporting structure comprises a supporting surface located above the frame bottom plate, and a backplane is selectively and movably disposed on the supporting surface; and the elastic holder further comprises an elastic arm portion, the holding structure is movably connected to the frame bottom plate via the elastic arm portion, the holding structure comprises a pushing surface, wherein the frame bottom plate has a first top surface and a second top surface facing a same direction, the partition is disposed on the first top surface of the frame bottom plate, the second top surface of the frame bottom plate is located farther away from the partition than the first top surface, when the holding structure is in a holding position, a distance between the pushing surface of the elastic holder and the second top surface of the frame bottom is D1, a distance between the supporting surface of the support member and the second top surface of the frame bottom is D2, D1>D2, and the backplane is selectively adjoined to the engagement structure of the partition. ### Claim 2 (depends on 1) The casing assembly according to claim 1, wherein the supporting structure further comprises an inclined surface which is connected to the supporting surface and is inclined relatively to the supporting surface. ### Claim 3 (depends on 2) The casing assembly according to claim 2, wherein the support member further comprises a stopping structure located at a side of the support member which is located away from an elastic pushing structure of the support member, and the backplane is adjoined the stopping structure selectively. ### Claim 4 (depends on 1) The casing assembly according to claim 1, wherein the elastic holder further comprises an elastic arm portion, and the holding structure is movably connected to the frame bottom plate via the elastic arm portion. ### Claim 5 (depends on 4) The casing assembly according to claim 4, wherein the holding structure of the elastic holder comprises a stopping surface facing towards an elastic pushing structure of the support member, and a backplane is located between the stopping surface and the elastic pushing structure selectively. ### Claim 6 (depends on 4) The casing assembly according to claim 4, wherein the holding structure of the elastic holder comprises a contacting surface located at a side of the holding structure which is located away from an elastic pushing structure of the support member and is inclined relatively to the frame bottom plate. ### Claim 7 (depends on 1) The casing assembly according to claim 1, further comprising a handle member movably connected to the frame bottom plate via the elastic holder. ### Claim 8 (depends on 1) The casing assembly according to claim 1, wherein the elastic holder is integrally formed with the support member. ### Claim 9 An electronic device, adapted for a backplane, comprising: a chassis; and a casing assembly comprising: a frame comprising a frame bottom plate and a partition, wherein the frame bottom plate is disposed on the chassis, the partition is disposed on the frame bottom plate and comprises an engagement structure, and the engagement structure is located at a side of the partition which is located away from the frame bottom plate, and the backplane is selectively adjoined to the engagement structure; a support member disposed on the frame bottom plate; and an elastic holder disposed correspondingly to the support member on the frame bottom plate and comprising an elastic arm portion and a holding structure movable with respect to the frame bottom plate through the elastic arm portion; wherein the support member further comprises a supporting structure, and the supporting structure comprises a supporting surface and an inclined surface, the supporting surface is located above the frame bottom plate, and the inclined surface is connected to the supporting surface and is inclined relatively to the supporting surface; and a push of the backplane to the inclined surface causes the elastic arm portion to deform. ### Claim 10 (depends on 9) The electronic device according to claim 9, wherein the holding structure is movable between a holding position and a releasing position, when the holding structure is in the holding position, the backplane is adjoined between the holding structure and the elastic pushing structure of the support member; when the holding structure is in the releasing position, a part of the backplane is moved away from the frame and the elastic pushing structure of the support member. ### Claim 11 (depends on 9) The electronic device according to claim 9, wherein the support member further comprises a stopping structure located at a side of the support member away from an elastic pushing structure of the support member. ### Claim 12 (depends on 9) The electronic device according to claim 9, wherein the holding structure is movably connected to the frame bottom plate via the elastic arm portion. ### Claim 13 (depends on 12) The electronic device according to claim 12, wherein the holding structure of the elastic holder comprises a stopping surface facing towards an elastic pushing structure of the support member. ### Claim 14 (depends on 12) The electronic device according to claim 12, wherein the holding structure of the elastic holder comprises a contacting surface which is located at a side of the holding structure away from an elastic pushing structure of the support member and is inclined relatively to the frame bottom plate. ### Claim 15 (depends on 9) The electronic device according to claim 9, wherein the holding structure is movably connected to the frame bottom plate via the elastic arm portion, the holding structure comprises a pushing surface, wherein the frame bottom plate has a first top surface and a second top surface facing a same direction, the partition is disposed on the first top surface of the frame bottom plate, the second top surface of the frame bottom plate is located farther away from the partition than the first top surface, when the holding structure is in a holding position, a distance between the pushing surface of the elastic holder and the second top surface of the frame bottom is D1, a distance between the supporting surface of the support member and the second top surface of the frame bottom is D2, D1>D2, and the backplane is selectively adjoined to the engagement structure of the partition. ### Claim 16 (depends on 9) The electronic device according to claim 9, wherein the casing assembly further comprises a handle member movably connected to the frame bottom plate via the elastic holder. ### Claim 17 (depends on 9) The electronic device according to claim 9, wherein the elastic holder is integrally formed with the support member.