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公开(公告)号：US20220400846A1
公开(公告)日：2022-12-22
申请号：US17388011
申请日：2021-07-29
发明人： Yu-Chang LIN
摘要： A leg structure of an electric table includes a pair of support assemblies (10), multiple horizontal rods (20) and a pair of drive assemblies (30). The support assemblies (10) are arranged spacedly and parallelly to each other. Each support assembly (10) includes a connecting rod (11) and a pair of telescopic posts (12). Each telescopic post (12) is connected and fixed to the connecting rod (11). Each horizontal rod (20) is separately connected to each support assembly (10) and is parallel to each other. Each drive assembly (30) is separately received in each support assembly (10) for driving each telescopic post (12) to ascend or descend. Therefore, the leg structure of an electric table may be easily assembled and the whole structure is stable.
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公开(公告)号：US20220232967A1
公开(公告)日：2022-07-28
申请号：US17196227
申请日：2021-03-09
发明人： Yu-Chang LIN
摘要： A lifting device with a cable management is provided. The lifting device includes: an outer pipe, an actuation mechanism, a linkage member, a cable, and a cable management component. The actuation mechanism is accommodated in the outer pipe and has a motor and a screw rod. The linkage member is accommodated in the outer pipe and mutually screw-fitted with the screw rod to operate, and moves relative to the outer pipe. The cable has a spiral coiled cable unit. A shaft core line in parallel with the screw rod is defined by the spiral coiled cable unit. The cable management component is disposed in the outer pipe and in parallel to the shaft core line. The spiral coiled cable unit is reeled on the cable management component. Accordingly, the cable may be stably positioned and the cable may be prevented from rubbing or being tangled with the screw rod.
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公开(公告)号：US20230179073A1
公开(公告)日：2023-06-08
申请号：US17577864
申请日：2022-01-18
发明人： Yu-Chang LIN
摘要： An industrial heavy load electric linear actuator includes a gearbox (10), an electric motor (20), a lead screw (30), an extension pipe (40) and a load baring structure (50). The electric motor (20) is connected to the gearbox (10). A portion of the lead screw (30) is received inside the gearbox (10) and driven by the electric motor (20), and another portion of the lead screw (30) is extended out of the gearbox (10). The extension pipe (40) is movably fastened to the lead screw (30). The load bearing structure (50) includes a sleeve (51), a bearing (52), a fastening element (53), a fixation seat (54) and a rear supporting seat (55). The sleeve (51) is mounted to the lead screw (30) and holds the bearing (52) jointly with the fastening element (53). The fixation seat (54) and the rear supporting seat (55) hold the bearing (52) at outer perimeters of the sleeve (51) and the fastening element (53).
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公开(公告)号：US20200378483A1
公开(公告)日：2020-12-03
申请号：US16511178
申请日：2019-07-15
发明人： Yu-Chang LIN
IPC分类号： F16H25/20
摘要： An actuator having a manual rotating mechanism and an anti-pinch mechanism includes an actuating body, a manual rotating mechanism, and an anti-pinch mechanism. The actuating body has a stretchable tube. The manual rotating mechanism has a sleeve assembly and a manual rotating wheel. The sleeve assembly has a central shaft and a connecting plate. The anti-pinch mechanism has a clutch wheel which is fixed to the stretchable tube and is movably sleeved around the central shaft. When the stretchable tube is blocked during a retraction stroke, the clutch wheel is detached from the connecting plate such that the clutch wheel follows the stretchable tube to idle. Therefore, the stretchable tube can be manually rotated to retract and the anti-pinch effect during the stretchable tube being retracted can be achieved.
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公开(公告)号：US20230392415A1
公开(公告)日：2023-12-07
申请号：US17860983
申请日：2022-07-08
发明人： Yu-Chang LIN
CPC分类号： E05B65/006 , H05K5/03 , E05B15/04
摘要： A cover structure of a control box is disclosed. The control box includes a base with a limiting part, the cover structure includes a cover body, a knob and a torsion spring, the cover body is connected to the base, the knob is rotatably connected to the cover body and has a stop arm stopped at the limiting part, two ends of the torsion spring are fixed to the cover body and the knob respectively to generate a pre-torque. When the knob is rotated by an external force, the stop arm is released from the limiting part to unlock the cover structure from the base, and when the external force is removed, the knob restores to original position by the pre-torque. Therefore, the cover structure may be removed from the base quickly to facilitate an operator's use and maintenance.
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公开(公告)号：US20230180928A1
公开(公告)日：2023-06-15
申请号：US18104791
申请日：2023-02-02
发明人： Yu-Chang LIN
IPC分类号： A47B9/20
CPC分类号： A47B9/20 , A47B2200/0057 , A47B2200/0052
摘要： A lifting table stand includes a pair of telescopic columns, a carrier, an actuation module, and a passive mechanism. Each telescopic column includes multiple tubes adapted to sheathe with each other and move telescopically relative to each other. The carrier includes a beam straddling the telescopic columns and a pair of support members perpendicularly connected to two ends of the beam. The actuation module includes a receiving member detachably installed to the beam and a driver connected to the receiving member. The passive mechanism includes a transmission shaft and a pair of gear sets installed in the tubes. The transmission shaft passes the driver and is connected to each gear set. Since the receiving member is detachably installed to beam, the actuation module may be changed to different types to control the elevation of the lifting table stand.
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公开(公告)号：US20230029425A1
公开(公告)日：2023-01-26
申请号：US17465649
申请日：2021-09-02
发明人： Yu-Chang LIN
IPC分类号： A47B9/20
摘要： A lifting table stand includes a pair of telescopic columns, a carrier, an actuation module and a passive mechanism. Each telescopic column includes multiple tubes adapted to sheathe with each other and move telescopically relative to each other. The carrier includes a beam straddling the telescopic columns and a pair of support members perpendicularly connected to two ends of the beam. The actuation module includes a receiving member detachably installed to the beam and a driver connected to the receiving member. The passive mechanism includes a transmission shaft and a pair of gear sets installed in the tubes. The transmission shaft passes the driver and is connected to each gear set. Since the receiving member is detachably installed to beam, the actuation module may be changed to different types to control the elevation of the lifting table stand.
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公开(公告)号：US20220378194A1
公开(公告)日：2022-12-01
申请号：US17367513
申请日：2021-07-05
发明人： Yu-Chang LIN
摘要： A lightweight electric desk stand includes a beam structure (10), a telescopic column (20) and a flank (30). The beam structure (10) includes a lower frame (11) and an upper frame (12). The lower frame (11) includes a bottom plate (111) and two risers (118) facing one another. The upper frame (12) includes a top plate (121) and two side plates (125) facing one another. The upper frame (12) is mounted on the lower frame (11). The side plate (125) and the riser (118) are connected to one another. The bottom plate (111) and the top plate (121) are spaced and facing one another. The telescopic column (20) is connected to two ends of the beam structure (10) and includes a motor (21). The flank (30) is disposed on an edge of the telescopic column (20) and covers an end of the beam structure (10).
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公开(公告)号：US20220170588A1
公开(公告)日：2022-06-02
申请号：US17139941
申请日：2020-12-31
发明人： Yu-Chang LIN
摘要： A fixing mechanism for a lifting device is provided. The lifting device includes a motor and a transmission shaft driven by the motor. The fixing mechanism includes a support body, a fixing assembly, a bearing, and a connection assembly. The fixing assembly includes a base plate fixed above the support body and a chamber disposed between the base plate and the support body. A bearing is arranged in the chamber and clamped between the support body and the base plate, and the transmission shaft passes through the bearing and protrudes from the base plate. The connection assembly is sleeved on the transmission shaft to together connect with the motor. Accordingly, power transmission efficiency may be improved, and vibration and noise generated during operation of the motor may be reduced.
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公开(公告)号：US20240358148A1
公开(公告)日：2024-10-31
申请号：US18223545
申请日：2023-07-19
发明人： Yu-Chang LIN
IPC分类号： A47B9/04
CPC分类号： A47B9/04 , A47B2200/008
摘要： A an electric deck frame structure (1, 1A) includes: corner lifting vertical posts (10), each having a carrying seat (11) and a retractable rod (12), the carrying seat includes a first connection part (111) having a first electric connection assembly (1133) and a second connection part (116) having a second electric connection assembly (1183); connection pipes (20), connected to the corner lifting vertical posts (10) and having a first opening (21) and a second opening (22); a transformer (30) having an electricity input port (31) arranged corresponding to the first opening (21) and an electricity output port (32) arranged corresponding to the second opening (22), the transformer is hidden in the connection pipe, and a power and signal main cable (40), connected to the electricity output port (32), the first electric connection assembly (1133) and the second electric connection assembly (1183).
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