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公开(公告)号：US20250169001A1
公开(公告)日：2025-05-22
申请号：US19027876
申请日：2025-01-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Weifeng Wu , Ding Zhong , Qiang Zhan , Jiaxin Zhao , Leilei Hua
Abstract: A foldable electronic device and a hinge mechanism thereof are provided. In addition to the hinge mechanism, the electronic device further includes two housings and a flexible display. The two housings are respectively disposed on two opposite sides of the hinge mechanism and are rotatably connected to the hinge mechanism. The hinge mechanism includes a base and a main shaft module. The base includes a bearing surface. The main shaft module includes two rotating assemblies. The two rotating assemblies are disposed on two opposite sides of the base. Each rotating assembly includes a swing arm and a housing fastening bracket, and each housing fastening bracket may be fastened to a housing on a corresponding side. In an unfolded state, the bearing surface independently supports a foldable portion of the flexible display. In a folded state, a screen accommodation space is formed between the two housing fastening brackets and the base.
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公开(公告)号：US20250048572A1
公开(公告)日：2025-02-06
申请号：US18922427
申请日：2024-10-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Tuo Shi , Qiang Zhan
Abstract: A hinge mechanism includes a base, a rotating assembly, and a damping assembly. The rotating assembly includes a first rotating arm and a second rotating arm. The first rotating arm and the second rotating arm are rotatably connected to two sides of the base respectively. One side that is of the first rotating arm and that is close to the base has a first cam surface. One side that is of the second rotating arm and that is close to the base has a second cam surface. The damping assembly includes a transmission member, a first fastening part, and an elastic member. The transmission member is slidably disposed on the base in a first direction. The transmission member is located between the first rotating arm and the second rotating arm. Two sides of the transmission member abut against the first cam surface and the second cam surface respectively.
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公开(公告)号：US20250031330A1
公开(公告)日：2025-01-23
申请号：US18898105
申请日：2024-09-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tuo Shi , Qiang Zhan
Abstract: A hinge mechanism includes a main shaft, a first housing support, a second housing support, and a flatness stop mechanism. The flatness stop mechanism includes a first stop structure and a second stop structure. The first stop structure includes a first connecting rod and a first stop block, where the first connecting rod is rotatably coupled to the main shaft, the first connecting rod is slidably coupled to the first housing support, the first stop block is fastened to the first housing support, and the first stop block is disposed opposite to the first connecting rod. The second stop structure includes a second connecting rod and a second stop block.
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公开(公告)号：US20250071196A1
公开(公告)日：2025-02-27
申请号：US18943308
申请日：2024-11-11
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yangming Lin , Zhibin Zhang , Shuqin Xie , Qiang Zhan , Haiqiang Tian , Feng Jiang , Ding Zhong
IPC: H04M1/02
Abstract: A hinge mechanism includes two guide rod mechanisms that are respectively formed between a main shaft assembly in the hinge mechanism, a first support arm, a first guide rod arm, and a first connecting frame, and between the main shaft assembly in the hinge mechanism, a second support arm, a second guide rod arm, and a second connecting frame. A first support plate and a second support plate are respectively fastened to the first support arm and the second support arm. The first support arm and the first connecting frame are rotatably connected through a first arc-shaped sliding groove and a first arc-shaped arm that are in sliding fit. The second support arm and the second connecting frame are rotatably connected through a second arc-shaped sliding groove and a second arc-shaped arm that are in sliding fit.
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公开(公告)号：US20240302864A1
公开(公告)日：2024-09-12
申请号：US18574291
申请日：2022-06-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Weifeng Wu , Qiang Zhan , Tao Huang , Weidong Yu , Yangming Lin
CPC classification number: G06F1/1641 , G06F1/1675 , G09F9/301
Abstract: Embodiments provide a rotating shaft mechanism applicable to the field of foldable displays of electronic device technologies. The rotating shaft mechanism includes a main body, a first support plate, a second support plate, a middle support plate, a first swing arm, and a second swing arm. The first swing arm, the main body, and the first support plate may form a slider-crank, and the second swing arm, the main body, and the second support plate also form a slider-crank. The middle support plate may move relative to the main body when driven by at least one of the first support plate, the second support plate, the first swing arm, or the second swing arm.
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Patent Agency Ranking
公开(公告)号：US11846998B2
公开(公告)日：2023-12-19
申请号：US17363078
申请日：2021-06-30
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Weifeng Wu , Tao Huang , Li Liao , Qiang Zhan , Haiqiang Tian
CPC classification number: G06F1/1681 , G06F1/1652 , H05K5/0226
Abstract: This disclosure relates to a folding module and a foldable electronic device. A first protrusion and a first sliding slot are provided between a drive portion and a first connection member. A second protrusion and a second sliding slot are provided between the drive portion and a second connection member. A first drive spring and a second drive spring press against the drive portion. In a process in which the first support member folds or unfolds relative to the second support member, folding or unfolding can be implemented provided that the first support member and the second support member rotate by a relatively small angle, so that a speed of folding or unfolding of the first support member relative to the second support member is increased.
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公开(公告)号：US20250060795A1
公开(公告)日：2025-02-20
申请号：US18936172
申请日：2024-11-04
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tuo Shi , Jiangbo Chen , Qiang Zhan
IPC: G06F1/16
Abstract: A hinge mechanism includes a main shaft assembly, a first housing fastening bracket, a rotating module, and a first damping assembly. The rotating module includes a first swing arm, the first swing arm is rotatably connected to the main shaft assembly, and the first swing arm is slidably connected to the first housing fastening bracket. The first damping assembly includes a first cam, a second cam, a first elastic member, and a first limiting block, the first cam is disposed on a side that is of the first swing arm, the second cam is located on a side that is of the first cam and that is away from the first swing arm, the second cam is slidably disposed on the first housing fastening bracket in a axial direction of the hinge mechanism, a cam surface of the second cam abuts against a cam surface of the first cam.
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公开(公告)号：US20250027532A1
公开(公告)日：2025-01-23
申请号：US18908124
申请日：2024-10-07
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tuo Shi , Hewen Shen , Ding Zhong , Qiang Zhan
Abstract: The hinge mechanism includes a main shaft, a synchronization assembly, a first housing mounting bracket, and a second housing mounting bracket. The first housing mounting bracket and the second housing mounting bracket are located on two opposite sides of the main shaft, and the synchronization assembly is located between the first housing mounting bracket and the second housing mounting bracket. The synchronization assembly includes a first connecting rod, a second connecting rod, and a third connecting rod. The first connecting rod and the third connecting rod are rotatably connected via the second connecting rod, the first connecting rod is rotatably connected to the main shaft. The third connecting rod is slidably connected to the second housing mounting bracket. The first housing mounting bracket is provided with a first track slot, and the first connecting rod slides along the first track slot.
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公开(公告)号：US20240427387A1
公开(公告)日：2024-12-26
申请号：US18820854
申请日：2024-08-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tuo Shi , Jiangbo Chen , Qiang Zhan
IPC: G06F1/16
Abstract: The hinge mechanism includes a main shaft, a first rotating piece, a first mounting plate, a first magnetic piece, a first magnetic fitting piece, a second rotating piece, a second mounting plate, a second magnetic piece, and a second magnetic fitting piece. The first rotating piece, the first mounting plate, the second rotating piece, and the second mounting plate are rotatably connected to the main shaft. The first rotating piece is slidably connected to the first mounting plate. The second rotating piece is slidably connected to the second mounting plate. The first magnetic piece is on the first rotating piece. The first magnetic fitting piece is located on the first mounting plate and magnetically attracts the first magnetic piece. The second magnetic piece is on the second rotating piece. The second magnetic fitting piece is on the second mounting plate and magnetically attracts the second magnetic piece.
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公开(公告)号：US11706886B2
公开(公告)日：2023-07-18
申请号：US17487292
申请日：2021-09-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Weifeng Wu , Tao Huang , Li Liao , Qiang Zhan , Haiqiang Tian , Yuehua Hu
CPC classification number: H05K5/0217 , H05K5/0017
Abstract: A folding apparatus includes a first housing, a first support plate, a middle housing, a first mounting bracket, a first transmission arm, and a first rotating arm. The first mounting bracket is fixed to the first housing, the first transmission arm is rotatably connected to the middle housing, a rotation center is a first axis, and the first transmission arm is slidably connected to the first mounting bracket and slidably connected to the first support plate. The first rotating arm is rotatably connected to the middle housing, a rotation center is a second axis, the first rotating arm is rotatably connected to the first mounting bracket, and the second axis and the first axis are not collinear. The first support plate is rotatably connected to the first mounting bracket, so that the first housing and the first support plate switch between a flattened state and a folded state.
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