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    • 5. 发明授权
    • Ultra thin type rolling bearing and cage therefor
    • 超薄型滚动轴承和保持架
    • US06367980B1
    • 2002-04-09
    • US09573964
    • 2000-05-19
    • Umemitsu Kobayashi
    • Umemitsu Kobayashi
    • F16C2300
    • F16C33/3812A61B6/035F16C19/184F16C33/416F16C33/60F16C2240/70F16C2240/80F16C2300/14F16C2316/10
    • The bearing according to the invention is an ultra thin type rolling bearing in which the ratio of a ball diameter/a pitch circle diameter is 0.03 or less, and includes an outer member, an inner member, and balls inserted between these members. A double row raceway surface is provided at the inner circumferential surface of the outer member. The inner member includes an annular member and an engaging member engaged to the outer circumference of the annular member and having an axial clearance to the annular member, and raceway surfaces are provided at the outer circumferential surfaces of the annular member and engaging member. Preloading is performed by pressurizing the engaging member and reducing the axial clearance. Thus, the number of parts is reduced and the manufacturing cost is reduced accordingly.
    • 根据本发明的轴承是其中球直径/节圆直径的比率为0.03或更小的超薄型滚动轴承,并且包括插入在这些构件之间的外部构件,内部构件和球。 在外部构件的内周面上设置有双列滚道面。 内部构件包括环形构件和接合构件,其接合到环形构件的外周并且具有与环形构件的轴向间隙,并且轨道表面设置在环形构件和接合构件的外周表面处。 通过对接合构件加压并减小轴向间隙来进行预加载。 因此,部件的数量减少并且制造成本相应地降低。
    • 6. 发明授权
    • Reciprocating device
    • 再现设备
    • US5186545A
    • 1993-02-16
    • US748945
    • 1991-08-23
    • Takeki Shirai
    • Takeki Shirai
    • F16C29/04F16C29/06F16C33/38F16H19/06
    • F16C29/063F16C33/3812Y10T74/18832
    • A reciprocating device has a construction, in which a slider is formed by fixing a table member to a bearing casing which is movable inside a track bed having a C-shaped section in a longitudinal direction thereof, and a continuous drive is disposed along the track bed for reciprocating the slider. A weight and sizes of the device can be reduced, and reciprocating motion without a pitching motion can be achieved. Accordingly, the invention can prevent generation of uncomfortable noises during a movement of the slider, and also can prevent reduction of durability of the device which may be caused by irregular wear of a bearing for guiding the slider.
    • 往复式装置具有这样一种结构,其中通过将工作台构件固定到可沿着其纵向方向具有C形截面的轨道床内的可移动的轴承壳体形成滑块,并且沿轨道设置连续驱动 用于往复滑动的床。 可以减轻装置的重量和尺寸,并且可以实现不产生俯仰运动的往复运动。 因此,本发明可以防止在滑块移动期间产生不舒适的噪声,并且还可以防止由引导滑块的轴承的不规则磨损引起的装置的耐久性的降低。