ANGULAR BALL BEARING ARRANGEMENT
    1.
    发明公开

    公开(公告)号:US20240309911A1

    公开(公告)日:2024-09-19

    申请号:US18576604

    申请日:2022-07-11

    申请人: AKTIEBOLAGET SKF

    发明人: Ingo SCHULZ Lijun CAO

    摘要: An angular contact ball bearing arrangement has first and second raceway elements having raceways and a plurality of balls therebetween. When viewed in cross section through one of the balls the arrangement is divided into first, second, third and fourth quadrants by an axis of rotation of one of the balls and a perpendicular axis perpendicular to the axis of rotation of the ball. Each ball has two contact points on each raceway that are offset from the perpendicular axis by #10 degrees, and the contacts points are each located in a different quadrant. Also the centre point of the radius curvature of the first raceway on one side of the perpendicular axis and the centre point of the radius of curvature of the first raceway on the other side of the perpendicular axis are in located in different quadrants.

    Table rotation device and machine tool

    公开(公告)号:US11940086B2

    公开(公告)日:2024-03-26

    申请号:US17746960

    申请日:2022-05-18

    IPC分类号: F16M11/00 F16C19/16 F16M1/04

    CPC分类号: F16M1/04 F16C19/16

    摘要: A table rotation device includes a bearing assembly, a table support member, a support block, and a cooling block. The bearing assembly includes a fixed ring, a movable ring, and rolling elements provided between the fixed ring and the movable. The movable ring is rotatable about the rotation axis. The table support member is connected to the movable ring so as to fix a position of the table support member relative to a position of the movable ring. The support block is connected to the fixed ring so as to fix a position of the support block relative to a position of the fixed ring. The cooling block is connected to at least one of the fixed ring and the support block such that the cooling block is in contact with both the fixed ring and the support block. The cooling block provides a cooling passage.

    Work equipment for motor grader
    4.
    发明授权

    公开(公告)号:US11773564B2

    公开(公告)日:2023-10-03

    申请号:US16480121

    申请日:2018-04-25

    申请人: Komatsu Ltd.

    摘要: The work equipment for the motor grader includes: a drawbar having a drawbar plate; a bearing having an outer ring and inner ring, the outer ring being fixed to a lower surface of the drawbar plate and the inner ring, disposed inside the outer ring ring; a circle having a circle plate that is fixed to a lower end of the inner ring over the peripheral direction; a blade supported by the circle; a peripheral-direction pipe extending in the peripheral direction of the outer ring along a peripheral surface of the outer ring and connected to an end portion of an outer peripheral side of the plurality of lubricant supply holes; and the lubricant inlet port connected to the peripheral-direction pipe and capable of introducing a lubricant oil from an outside.

    BICYCLE BEARING SYSTEM
    5.
    发明公开

    公开(公告)号:US20230249780A1

    公开(公告)日:2023-08-10

    申请号:US18102368

    申请日:2023-01-27

    申请人: Matt Harvey

    发明人: Matt Harvey

    IPC分类号: B62M3/00 F16C19/16 F16C43/04

    摘要: A bicycle bearing system comprising: an integrated cup, the integrated cup having an outer diameter; a plurality of rolling elements configured to abut and rotate against a first race groove located on an inner surface of the integrated cup; a second race groove configured to abut and rotate about the plurality of rolling elements, the second race groove located on an inner surface of the inner race, the inner race having an inner diameter; where the rolling elements do not have a separate outer race, but rather the inner surface of the integrated cup acts as the outer race to the rolling elements; and where the rolling elements, integrated cup and inner race are axially locked when assembled as a single cartridge unit due to the geometry of the rolling elements, first race groove and second race groove.

    Rotary Bearing and Gearbox
    6.
    发明申请

    公开(公告)号:US20230130289A1

    公开(公告)日:2023-04-27

    申请号:US17907719

    申请日:2021-03-31

    申请人: Harmonic Drive SE

    IPC分类号: F16H49/00 F16C19/16 F16C33/58

    摘要: A rotary bearing (50), especially for harmonic gearing, comprising an outer bearing ring (1b) and an inner bearing ring (1a) arranged therein; whereby the inner bearing ring (1a) and the outer bearing ring (1b) are each provided with at least one receptacle (10, 11) through which, when the two receptacles (10, 11) are in a corresponding position with respect to one another, rolling elements (8) can be inserted through a receptacle opening (22) formed by the two receptacles (10, 11) into an anti-friction bearing between the bearing surface (7) of the inner bearing ring (1a) and the bearing surface (9) of the outer bearing ring (1b), wherein a guide ring (20) for the rolling elements (8) is arranged in at least one of the two receptacles (10, 11) between the receptacle opening (22) and the rolling elements (8).

    ROLLING BEARING FOR AIR TURBINE
    7.
    发明申请

    公开(公告)号:US20230038467A1

    公开(公告)日:2023-02-09

    申请号:US17788959

    申请日:2020-12-25

    申请人: NSK LTD.

    IPC分类号: F16C19/16 F16C33/78

    摘要: A rolling bearing includes an outer ring, an inner ring, a plurality of rolling bodies, and a seal member. An outer peripheral portion of the seal member is fixed by a retaining ring to a groove portion formed on an inner peripheral surface of the outer ring and an inner peripheral portion of the seal member is elastically deformable. The seal member includes an inclined portion. The seal member satisfies 0.25≤Skn/Skt≤2.5 when Skn is a radial length from an inclination start part of the inclined portion on an inside in an axial direction to an outermost diameter position of a part of contact of the seal member with an outer peripheral surface of the inner ring and Skt is a thickness of the inclined portion in a direction perpendicular to an inclination direction.

    THREE-POINT CONTACT ROLLING BEARING WITH IMPROVED DRAIN

    公开(公告)号:US20230008954A1

    公开(公告)日:2023-01-12

    申请号:US17757416

    申请日:2020-12-15

    IPC分类号: F16C33/66 F16C19/16

    摘要: Rolling bearing with three contact points, wherein the inner raceway, the third contact point being located in a sector of the outer raceway delimited by a proximal end of the outer raceway on the one hand, and by the rolling plane on the other hand, characterized in that the outer ring comprises a drain provided in the outer raceway, and opening from an outer surface of the outer ring, said drain opening eccentrically on the outer raceway with respect to the rolling plane, in a sector of the outer raceway delimited by the rolling plane on the one hand, and a distal end of the outer raceway on the other hand, the drain and the third contact point being disjoint.

    Rolling bearing for the mounting of a drive worm of an electromechanical power steering system of a motor vehicle

    公开(公告)号:US11459022B2

    公开(公告)日:2022-10-04

    申请号:US16325131

    申请日:2017-08-10

    摘要: A rolling bearing for mounting a driving worm of a power-assisted steering system of a vehicle includes a rotatable inner ring and a rotationally fixed outer ring. Rolling elements arranged between the inner and outer ring are guided by a channel-shaped first raceway arranged on a radially outer side of the inner ring and by a channel-shaped second raceway arranged on a radially inner side of the outer ring. The second raceway includes a cross-sectional profile that varies around its circumference. The cross-sectional profile allows laterally offset rolling elements to roll and thus tilting of the inner ring about a tilting axis orthogonal to the axis of rotation of the rolling bearing if the tilting axis assumes a predetermined tilted position in the circumferential direction of the second raceway and limits tilting of the inner ring to a minimum when the tilting axis is angled 90° to the tilted position.