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    MITER SAW HAVING DUST PROOF STRUCTURE FOR BEARING WHICH ALLOWS CUTTING UNIT TO MOVE IN PARALLEL TO BASE SURFACE
    1.
    发明申请
    MITER SAW HAVING DUST PROOF STRUCTURE FOR BEARING WHICH ALLOWS CUTTING UNIT TO MOVE IN PARALLEL TO BASE SURFACE 有权
    MITER SAW具有用于承载的防尘结构，允许切割单元平行移动到基面

    公开(公告)号：US20150246400A1

    公开(公告)日：2015-09-03

    申请号：US14617464

    申请日：2015-02-09

    申请人： HITACHI KOKI CO., LTD.

    发明人： Ryuichi Imamura ,  Hideaki Terashima ,  Shigeharu Ushiwata

    IPC分类号： B23D47/02 ,  B23D45/04

    CPC分类号： B23D47/02 ,  B23D45/048 ,  F16C29/06 ,  F16C29/10 ,  F16C2322/34 ,  Y10T83/7697

    摘要： A miter saw includes a base portion having a mount surface, a cutting unit supporting a saw blade, a support portion, a relative displacement smoothening member, and a sealing structure. The support portion is supported to the base portion for supporting the cutting unit. The support portion includes a rod extending in a sliding direction in parallel to the mount surface and perpendicular to a rotation axis of the saw blade, and a slide-support portion through which the rod slidably extends. The smoothening member is provided between the slide-support portion and the rod. The sealing structure is provided between the slide-support portion and the rod and includes a first seal member provided at one end of the smoothening member, a second seal member provided at an another end of the smoothening member, and a third seal member positioned opposite to the smoothening member with respect to the first seal member.

    摘要翻译： 斜切锯包括具有安装表面的基部，支撑锯片的切割单元，支撑部，相对位移平滑元件和密封结构。 支撑部支撑在用于支撑切割单元的基部。 支撑部分包括沿平行于安装表面并且垂直于锯片的旋转轴线的滑动方向延伸的杆，以及滑动支撑部分，杆可滑动地延伸穿过该支撑部分。 平滑部件设置在滑动支撑部和杆之间。 所述密封结构设置在所述滑动支撑部和所述杆之间，并且包括设置在所述平滑部件的一端的第一密封部件，设置在所述平滑部件的另一端的第二密封部件和与所述平滑部件的另一端相对的第三密封部件 相对于第一密封构件到达平滑构件。

    BEARING ARRANGEMENT FOR A MUTUALLY TURNABLE UNIT WORKING UNDER HIGH PRESSURE
    2.
    发明申请
    BEARING ARRANGEMENT FOR A MUTUALLY TURNABLE UNIT WORKING UNDER HIGH PRESSURE 审中-公开

    公开(公告)号：US20180363705A1

    公开(公告)日：2018-12-20

    申请号：US15781694

    申请日：2016-12-09

    申请人： Hudiksvalls Teknikcentrum AB

    发明人： Kurt FALK

    IPC分类号： F16C32/06 ,  F16C33/66

    CPC分类号： F16C32/0655 ,  F01C9/002 ,  F01C21/02 ,  F01C21/108 ,  F03C4/00 ,  F04C2/00 ,  F04C9/002 ,  F04C27/00 ,  F04C2240/50 ,  F04C2240/54 ,  F04C2240/805 ,  F15B15/12 ,  F16C32/064 ,  F16C33/664 ,  F16C33/6659 ,  F16C33/74 ,  F16C2310/00 ,  F16C2322/34 ,  F16C2360/23 ,  F16D1/033

    摘要： A bearing arrangement for a unit that is mutually turnable around a centre of rotation (R) comprising an external part (1) and an internal part (7), which, with the aid of high hydraulically acting pressure, is arranged to achieve a reciprocating rotary motion, or that is arranged to achieve a high hydraulic pressure from an applied torque from a reciprocating motion, whereby the external part (1) is provided with side walls arranged to axially surround at least a part of the internal part (7), and whereby the external part (1) comprises a radially inwardly arranged and essentially surrounding cavity (11, 12, 13, 14) in which the internal part (7) is arranged such that it can be rotated, which cavity (11, 12, 13, 14) is limited in the circumferential direction by at least one wing (3, 4) that protrudes inwards from the external part (1) and also limited by at least one wing (9, 10) that protrudes radially outwards from the internal part (7), which wings (3, 4, 9, 10) limit at least two chambers or compartments (11, 12, 13, 14) between the external part (1) and the internal part (7). At least one of the side walls of the external part is fixed connected with the, at least one, wing (3, 4) that protrudes radially inwards towards the internal part (7), which wing demonstrates a surface that faces radially inwards and that has a circular concave curvature for connection with an outwardly facing circular convex contact surface (8) at the internal part (7).

    BEARING UNIT WITH SENSORIZED SHIELD
    3.
    发明公开
    BEARING UNIT WITH SENSORIZED SHIELD 审中-公开

    公开(公告)号：US20230160422A1

    公开(公告)日：2023-05-25

    申请号：US17988905

    申请日：2022-11-17

    申请人： AKTIEBOLAGET SKF

    发明人： Andrea A. Bertolini ,  Fausto Baracca ,  Fabio Cavacece ,  Pasquale Frezza ,  Alessio Nebbia Colomba

    IPC分类号： F16C19/52 ,  F16C33/80

    CPC分类号： F16C19/525 ,  F16C33/805 ,  F16C2233/00 ,  F16C2240/60 ,  F16C2322/34

    摘要： A bearing unit for a marble cutting machine has a radially outer ring, rotatable with respect to an axis of rotation (X) and is provided with a radially outer flange portion. Additionally, the bearing unit is provided with a stationary radially inner ring with a through hole in which the ratio between a dimension of an internal diameter (D) of the through hole and a dimension of the axial thickness (T) of the radially inner ring is between about 6.7 and about 11.1. A row of rolling bodies is interposed between the radially outer ring and the radially inner ring. A sealing shield is made of composite material and interposed between the radially inner ring and the radially outer ring, rotatable with respect to the rotation axis (X) and steadily anchored to the radially outer ring. The shield is provided with a sensor molded in it.