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公开(公告)号：US20230137620A1
公开(公告)日：2023-05-04
申请号：US17515276
申请日：2021-10-29
IPC分类号： F16D3/223
摘要： A joint assembly for a vehicle includes an outer race, a fitting, a cap and a stop member. The fitting is disposed in the outer race. The fitting is configured to be axially movable and rotationally fixed relative to the outer race. The cap is connected to the outer race. The stop member is removably received by the cap. The stop member substantially prevents axial movement of the fitting in a direction toward the cap.
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公开(公告)号：US11536320B2
公开(公告)日：2022-12-27
申请号：US16817048
申请日：2020-03-12
发明人： Sean M. Carlini
摘要： A constant velocity universal joint includes a body which encloses the constant velocity joint components and provides a smooth outer surface. A semi-rigid plastic boot has a spherical surface sized to generally match the outer surface of the body. The material of the boot is sufficiently elastic to allow the boot to fit over the body, yet sufficiently resilient to snap the open end closed after the boot is placed over the body to provide a substantial seal preventing entry of debris under the seal. A retaining ring is positioned on the boot near the truncated end, the ring establishing the location of an elastic seal that contacts the outer surface of the body.
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公开(公告)号：US11493092B2
公开(公告)日：2022-11-08
申请号：US16635971
申请日：2018-07-17
申请人： THK CO., LTD.
发明人： Hideo Saito , Yuichi Mizutani , Kotaro Kushida
摘要： A speed-reducing or -increasing apparatus, with first and second crown gears facing one another, with a cam unit that causes the first crown gear to incline with respect to the second crown gear so that the first crown gear meshes with the second crown gear, that causes the first crown gear to precess in such a manner as to move the meshing position, and couples to an input or output shaft. A rolling element is between the cam unit and the first crown gear, and the cam unit includes a first member that couples to the input or output shaft and a second member made of steel and including a rolling element rolling portion where the rolling element rolls, the second member configured to be incapable of rotating relatively to the first member, and at least part of the first member having a lower specific gravity than the second member.
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公开(公告)号：US11480219B2
公开(公告)日：2022-10-25
申请号：US16475778
申请日：2017-12-18
发明人： Adam Dmytryszyn
摘要： A shaft connection 1 for a longitudinal shaft assembly, has at least a first shaft having a first and second ends, and a second shaft, disposed so as to be coaxial with the first shaft, having first and second ends; the shafts extending axially. The first end forms a hollow portion. The first shaft end forms a first journal having a displacement portion. The first shaft end at least in an initial position of the shaft connection extends through the hollow portion which axially by the displacement portion forms a guide portion and circumferentially forms a form-fitting first connection. In the initial position a mutual axial displacement of the first and second shafts is prevented by an axial securing feature. In a crash the axial securing feature; is releasable by an axial release force. The first shaft is axially displaceable relative to the second shaft.
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公开(公告)号：US11421743B2
公开(公告)日：2022-08-23
申请号：US16680892
申请日：2019-11-12
IPC分类号： F16D3/223 , F16D3/2237 , F16D3/224
摘要： A constant-velocity universal joint including a generally cup-shaped outer joint member and an inner joint member that cooperate with each other to define first and second groove portions. A pinch angle by which a ball is pinched in the first groove portion is open toward an opening end of the outer joint member. A pinch angle by which the ball is pinched in the second groove is open toward a bottom wall of the outer joint member. An absolute value of the pinch angle in the first groove portion is larger than an absolute value of the pinch angle in the second groove portion in a reference state in which centerlines of the outer joint member and the inner joint member lie in a straight line.
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公开(公告)号：US20220136565A1
公开(公告)日：2022-05-05
申请号：US17434977
申请日：2020-01-28
申请人： HITACHI ASTEMO, LTD.
摘要： A propeller shaft includes a rotational shaft and a constant-velocity joint. The constant-velocity joint includes an inner race member connected to the rotational shaft, a rolling member disposed on an outer periphery of the inner race member in a radial direction relative to a direction of a rotational axis of the rotational shaft, and a tubular outer race member provided on an outer periphery of the rolling member in the radial direction and configured so that a rotational force of the rotational shaft is transmitted thereto via the rolling member. The outer race member has first and second end portions of the outer race member in the direction of the rotational axis. The outer race member includes a centering portion provided at the first end portion and formed so as to be smaller than a maximum diameter of the outer race member in the radial direction.
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公开(公告)号：US11261919B2
公开(公告)日：2022-03-01
申请号：US16590596
申请日：2019-10-02
发明人： Michael Hopson , Riki Patel
摘要： A joint assembly for connecting a first rotating part and a second rotating part. The joint assembly includes a constant velocity joint that has an inner race for being connected to the first rotating part and an outer race that is pivotable relative to the outer race. A mating flange couples the outer race to the second rotating part. The outer race and the mating flange each have a radially inner surface. A piloting cover is positioned axially between the outer race and the mating flange and radially supports the radially inner surface of the outer race at a first pilot point, and radially supports the radially inner surface of the mating flange at a second pilot point for centering the outer race relative to the mating flange. The first and second pilot points are located radially inwardly of a bolt circle diameter.
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公开(公告)号：US11248660B2
公开(公告)日：2022-02-15
申请号：US16374996
申请日：2019-04-04
IPC分类号： F16D3/223
摘要： A joint-center-fixed constant velocity joint configured to be provided in a vehicle includes an outer joint member, an inner joint member, a first ball, a second ball, and a cage. While a center of the first ball is moving to a position of the maximum use angle on an opening side from a joint center, a first open angle faces the opening side. While a center of the second ball is moving to a position of the maximum use angle on a bottom side from the joint center, a second open angle is not reversed from a state where the second open angle faces the bottom side to a state where the second open angle faces the opening side.
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公开(公告)号：US11248657B2
公开(公告)日：2022-02-15
申请号：US16471682
申请日：2017-12-21
申请人： ERAE AMS CO., LTD.
发明人： Dal Soo Jang , Jong Uk Seo
摘要： A tripod constant-velocity joint includes: an outer joint member having a cavity elongated in a longitudinal direction and three roller tracks; an inner joint member having a center body and three journals outwardly radially protruded from the center body; and three roller assemblies respectively coupled to the journal in a state of being respectively disposed in the roller tracks. The respective roller assembly comprises: an inner race which is connected to the journal and is provided with a first inner ball groove and a second inner ball groove on both lateral sides thereof; a first ball array and a second ball array respectively having a plurality of balls which are respectively disposed in the first inner ball groove and in the second inner ball groove; and a ball cage which restricts movements of the first ball array and the second ball array in a longitudinal direction thereof.
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公开(公告)号：US11242897B2
公开(公告)日：2022-02-08
申请号：US16346389
申请日：2017-11-01
摘要： A coupling assembly having a first member drivingly connected to a second member via one or more third members. A first shaft is drivingly connected to the first member and a second shaft is drivingly connected to the second member. The second member includes a flange portion having one or more seating portions on a first end portion of the flange. Additionally, the flange has one or more flange portion attachment apertures extending from the seating portions to a second end portion of the flange. An increased diameter portion of the second shaft has one or more increased diameter portion apertures extending from a first end portion to a second end portion. The flange portion apertures and the increased diameter portion apertures have a center-line with an angle from an axial center-line of the assembly. Additionally, the seating portions have an angle relative to a radial center-line of the assembly.
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