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公开(公告)号：US11548446B2
公开(公告)日：2023-01-10
申请号：US16780861
申请日：2020-02-03
发明人： Xiaojun Ni , Chengsheng Fang , Jing Xiong , Jiancheng Wang
IPC分类号： B60R9/058
摘要： A vehicle rack includes two cross beams, the cross beams being hollow square rods parallelly placed, the bottom center of the cross beam being provided with a sliding slot along the beams; two fixing rods, the fixing rods being hollow and each including an H-shaped reinforcing seat, the H-shaped reinforcing seat forming an upper sliding slot I on a top surface of the fixing rod and forming a lower sliding slot I on a bottom surface of the fixing rod, the fixing rods being particular to the two cross beams; a plurality of connecting seat, the connecting seats movably connecting the cross beams and the fixing rods, the connecting seats including upper bolt connecting parts; a plurality of supporting frames, the fixing rods each connecting two supporting frames, the supporting frames including lower bolt connecting parts.
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公开(公告)号：US20210402836A1
公开(公告)日：2021-12-30
申请号：US16940691
申请日：2020-07-28
发明人： Jiancheng WANG
摘要： A trailer hitch ball mount includes: a hitch portion that has a square tubular shape; a ball portion; and a bridging portion that connects the hitch portion and the ball portion. The ball portion includes a first rectangular recess on a top surface of the ball portion; two parallel first side walls are formed at two parallel sides of the first rectangular recess, and other two parallel sides of the first rectangular recess are open; the bridging portion has a streamlined contour; and the trailer hitch ball mount comprises an aluminum alloy.
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公开(公告)号：US11318917B2
公开(公告)日：2022-05-03
申请号：US16941320
申请日：2020-07-28
发明人： Chenpan Xiang
摘要： A manual trailer lifting jack with drill power option includes: an outer tube; an inner tube that is telescopically slidable within the outer tube; a foot that is connected to a bottom of the outer tube; a top block that is connected to a top of the outer tube; a threaded rod that pass through a center of the top block and is rotatably held within the outer tube and fixed from axial movement relative to the outer tube; a threaded block that is connected to a top of the inner tube and has threads that engage the threaded rod so that a rotation of the threaded rod causes the inner tube to slide axially within the outer tube; a driving gear that is connect the top block and drives the threaded rod; a gear shaft that includes a bevel gear and a hexagonal head; and a gear housing that houses the gear shaft, driving gear, and the top block.
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公开(公告)号：USD942335S1
公开(公告)日：2022-02-01
申请号：US29758514
申请日：2020-11-16
设计人： Xiaojun Ni , Jiancheng Wang
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公开(公告)号：US20210394567A1
公开(公告)日：2021-12-23
申请号：US16941159
申请日：2020-07-28
发明人： Xiaojun NI , Chengsheng FANG , Jiancheng WANG
摘要： A tire stabilizer includes a partially threaded rod, the rod having a smooth end and a threaded end; a first connector rotatably attached to smooth end of the rod; a second connector threadedly attached to the threaded end of the rod; four first supporting members, each first supporting member including a first end and a second end, the first end of the first supporting member being rotatably attached to the first connector; four second supporting members, each second supporting member including a first end and a second end, the first end of the second supporting member being rotatably attached to the second connector; and two first locking pads, each locking pad being rotatably attached to the second ends of two of the four first supporting members; and two second locking pads, each locking pad being rotatably attached to the second ends of two of the four second supporting member.
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公开(公告)号：US20210387599A1
公开(公告)日：2021-12-16
申请号：US16941320
申请日：2020-07-28
发明人： Chenpan XIANG
IPC分类号： B60S9/04
摘要： A manual trailer lifting jack with drill power option includes: an outer tube; an inner tube that is telescopically slidable within the outer tube; a foot that is connected to a bottom of the outer tube; a top block that is connected to a top of the outer tube; a threaded rod that pass through a center of the top block and is rotatably held within the outer tube and fixed from axial movement relative to the outer tube; a threaded block that is connected to a top of the inner tube and has threads that engage the threaded rod so that a rotation of the threaded rod causes the inner tube to slide axially within the outer tube; a driving gear that is connect the top block and drives the threaded rod; a gear shaft that includes a bevel gear and a hexagonal head; and a gear housing that houses the gear shaft, driving gear, and the top block.
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公开(公告)号：US11142132B2
公开(公告)日：2021-10-12
申请号：US16780852
申请日：2020-02-03
发明人： Xiaojun Ni , Chengsheng Fang , Jing Xiong , Jiancheng Wang
摘要： A vehicle rack includes a cargo shelf, the cargo shelf including two beams and two fixing rods; four supporting frames, each beam being provided with two supporting frames that are movable along the beam, the two fixing rods being secured between two corresponding supporting frames on the two beams, a U-shaped plug interface being formed at the top of each supporting frame; a mobile frame that is movable along the beams and is U-shaped, the mobile frame including a horizontal rod and two vertical rods, a U-shaped plug interface I being formed at the top of each vertical rod; six connectors, each connector being provided with a clamping interface that opens through at bottom of the connector so that the connector can clamp the beam from top and then be inserted into the U-shaped plug interface or the U-shaped plug interface I; and six bolts.
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