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    • 3. 发明授权
    • Track guide bearing
    • 导轨轴承
    • US4441765A
    • 1984-04-10
    • US431701
    • 1982-09-30
    • Shinichi KasaiSotoji NakagawaNobuyuki Osawa
    • Shinichi KasaiSotoji NakagawaNobuyuki Osawa
    • F16C29/00F16C29/06
    • F16C29/0642F16C29/0607
    • A slide table has two parallel axial ball rolling grooves of Gothic arch-like cross section provided in each of the inclined surfaces of an outwardly opening trapezoidal groove and has axial through-bores providing ball passageways formed rearwardly of the ball rolling grooves. The track shaft has Gothic arch-like ball rolling grooves formed axially thereof and corresponding to the ball rolling grooves of the slide table. Each of the Gothic arch-like ball rolling grooves has a narrow escape groove provided in the bottom thereof. Each of the semicircular ball passageways has a narrow concave groove in the bottom thereof and is in the form of a recess. The retainer comprises a wire rod having a straight portion and semicircularly bent portions extending from the opposite ends of the straight portion. The semicircularly bent portions are engaged with the concave grooves of the side plates. The slide table is supported on the track shaft by four rows of balls which are in four-point contact. The slide table is axially movable through the rolling movement of the balls.
    • 滑动台具有在向外开口的梯形槽的每个倾斜表面中设置的具有哥特式拱形横截面的两个平行的滚动滚珠滚动槽,并且具有轴向通孔,在球滚动槽的后面形成有球形通道。 轨道轴具有形成在其上并与滑台的滚珠滚动槽对应的哥特式拱形滚珠滚动槽。 每个哥特式拱形滚珠滚动槽在其底部设置有一个窄的排出槽。 每个半圆球通道在其底部具有窄的凹槽,并且是凹槽的形式。 保持器包括具有从直线部分的相对端部延伸的直线部分和半圆形弯曲部分的线材。 半圆形弯曲部分与侧板的凹槽接合。 滑轨通过四列四点接触的球体支撑在履带轴上。 滑动台可以通过滚珠的滚动运动而轴向移动。
    • 8. 发明授权
    • Impact resistive linear guide apparatus
    • 冲击电阻线性引导装置
    • US5104238A
    • 1992-04-14
    • US674552
    • 1991-03-22
    • Shinichi Kasai
    • Shinichi Kasai
    • F16C29/06
    • F16C29/0647
    • A linear guide apparatus includes an axially extending guide rail having ball rolling grooves formed in both side surfaces, and a slider movably straddling the guide rail and having ball rolling grooves formed in inner surfaces of both side walls. At least one of a clearance between an upper surface of the guide rail and a lower surface of the slider and a clearance between a side surface of the guide rail and an inner side surface of the slider is set smaller than the amount of displacement caused by an elastic deformation of contact portions at which the ball is in contact with the groove surfaces of the ball rolling grooves of the guide rail and the slider when a load equal to a fundamental static rating load is applied to the slider.
    • 线性引导装置包括:轴向延伸的导轨,其具有形成在两个侧表面中的滚珠滚动槽,以及可滑动地跨过导轨并具有形成在两个侧壁的内表面中的滚珠槽的滑块。 导轨的上表面和滑块的下表面之间的间隙和导轨的侧表面与滑块的内侧表面之间的间隙中的至少一个被设定为小于由滑块引起的位移量 当对滑块施加等于基本静态额定负荷的载荷时,接触部分的弹性变形,在该位置处球与导轨和滑块的滚珠滚动槽的槽表面接触。