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    • 4. 发明授权
    • Mechanism for converting rotational motion to linear motion
    • 将旋转运动转换为直线运动的机构
    • US08573088B2
    • 2013-11-05
    • US13160574
    • 2011-06-15
    • Yoshio OkamotoKenji HirakuIsamu Tsubono
    • Yoshio OkamotoKenji HirakuIsamu Tsubono
    • F16H1/18
    • F16H25/2266
    • A rotational-to-linear conversion mechanism inhibits interference from occurring in places except for an engagement site to increase the efficiency of conversion mechanism and reliability, which has: a rack rod 1 including thread on its outer peripheral face; a holder member 3 provided on the outer periphery of the rack rod, rotating about the rack rod and moving in the axis direction; and revolving rollers 21 rotatably supported in the holder member, each having ring-shaped grooves formed in its outer peripheral face to be engaged with the thread, and placed at an axis angle with respect to a center axis of the rack rod to allow the ring-shaped grooves to be engaged with the thread on the rack rod. A contact face of the thread with each ring-shaped groove in an engagement site of the thread and the ring-shaped groove is formed as a convex face having different curvatures in a radial direction.
    • 旋转线性转换机构抑制除了接合位置之外的位置的干扰,以提高转换机构的效率和可靠性,其具有:在其外周面上包括螺纹的齿条杆1; 保持构件3,其设置在所述齿条的外周上,围绕所述齿杆杆旋转并沿轴向移动; 以及可转动地支撑在保持器构件中的旋转辊21,每个旋转辊21具有形成在其外周面中的与所述螺纹接合的环形槽,并且相对于所述齿条的中心轴以轴向角度放置,以允许所述环 形状的槽与齿条杆上的螺纹接合。 在螺纹和环形槽的接合位置中的每个环形槽的螺纹的接触面形成为在径向上具有不同曲率的凸面。
    • 5. 发明申请
    • MECHANISM FOR CONVERTING ROTARY MOTION INTO LINEAR MOTION AND LIFTING DEVICE
    • 将旋转运动转换为线性运动和提升装置的机制
    • US20110193500A1
    • 2011-08-11
    • US13020084
    • 2011-02-03
    • Shinji SETOIsamu TsubonoKenji Hiraku
    • Shinji SETOIsamu TsubonoKenji Hiraku
    • H02P29/00F16H25/20
    • F16H25/2266F16H2025/2078
    • There is provided a mechanism for converting rotary motion into linear motion in which high positioning accuracy can be obtained in mutual conversion between rotary motion and linear motion. The mechanism includes a plurality of rollers having a roller annular groove member and a pair of thrust bearings, a thrust bearing portion that is convex shaped and is held between the pair of thrust bearings on an outer surface of an end of the roller shaft, a step surface that is disposed on an inner surface of the roller annular groove member and facing to the thrust bearing portion putting one of the pair of thrust bearing in between, a thrust facing member that is in mesh with an inner surface of the roller annular groove member and is facing to the thrust bearing portion putting the other one of the pair of thrust bearing in between.
    • 提供了一种用于将旋转运动转换为线性运动的机构,其中在旋转运动和线性运动之间的相互转换中可以获得高定位精度。 该机构包括具有滚子环形槽构件和一对推力轴承的多个滚子,推力轴承部分是凸形的并且被保持在滚子轴端部的外表面上的一对推力轴承之间, 台阶面设置在滚子环形槽构件的内表面上并面向推力轴承部分,将一对推力轴承中的一个推入到中间;推力面向构件与滚子环形槽的内表面啮合 并且面向推力轴承部分,将一对推力轴承中的另一个放在中间。
    • 6. 发明申请
    • Mechanism for Converting Rotary Motion into Linear Motion
    • 将旋转运动转换成直线运动的机制
    • US20110072928A1
    • 2011-03-31
    • US12893417
    • 2010-09-29
    • Shinji SETOIsamu TsubonoKenji Hiraku
    • Shinji SETOIsamu TsubonoKenji Hiraku
    • F16H25/24
    • F16H25/2252F16H2025/2078Y10T74/19791Y10T74/19795
    • Upon assembly of a mechanism for converting rotary motion into linear motion, since a plurality of rollers are different from one another in the tilt direction with respect to a holder, a difficulty occurs in fixing one end sides thereof to the holder and thereafter making fixation for the other end sides.The present invention provides a mechanism for converting rotary motion into linear motion, comprising a rod having a thread or threaded part at its outer peripheral surface, a holder member provided on the outer peripheral surface of the rod, and provided so as to be rotatable relative to the rod and axially movable relative thereto, and rollers supported rotatably by the holder member and having annular grooves at their outer peripheral surfaces, and each torsionally disposed at an axial angle greater than or equal to a lead angle of the thread with respect to the central axis of the rod, wherein the roller shaft has a structure in which both ends thereof are secured to the holder member, wherein the mechanism has a structure in which a hole having a diameter greater than that of the roller shaft is provided at one end of the holder member and the roller shaft is secured by a roller mounting member.
    • 在组装用于将旋转运动转换成直线运动的机构时,由于多个辊相对于保持器在倾斜方向上彼此不同,所以难以将其一个端侧固定到保持器,然后将其固定 另一端。 本发明提供了一种将旋转运动转换为直线运动的机构,包括:在其外周面具有螺纹或螺纹部分的杆;设置在杆的外周面上的保持构件, 并且能够相对于其轴向移动,以及由保持器构件可旋转地支撑并且在其外周表面处具有环形槽的辊,并且每个扭转地设置成大于或等于线的相对于 所述杆的中心轴线,其中所述辊轴具有其两端固定在所述保持器构件上的结构,其中所述机构具有这样的结构,其中在一端设置有直径大于所述滚筒轴直径的孔 的保持器构件和辊轴由辊安装构件固定。
    • 8. 发明授权
    • Mechanism for converting rotary motion into linear motion
    • 将旋转运动转换成直线运动的机构
    • US08567279B2
    • 2013-10-29
    • US12893417
    • 2010-09-29
    • Shinji SetoIsamu TsubonoKenji Hiraku
    • Shinji SetoIsamu TsubonoKenji Hiraku
    • F16H1/24F16H55/02
    • F16H25/2252F16H2025/2078Y10T74/19791Y10T74/19795
    • A mechanism for converting rotary motion into linear motion includes a rod having a thread or threaded part at its outer peripheral surface, and a holder member on the outer peripheral surface of the rod, rotatable relative to the rod, and axially movable relative to the rod. Rollers are supported rotatably by the holder member and have annular grooves at their outer peripheral surfaces. Each roller is torsionally disposed at an axial angle greater than or equal to a lead angle of the thread with respect to a central axis of the rod. Both ends of the roller shaft are secured to the holder member, and the mechanism has a structure in which a hole having a diameter greater than that of the roller shaft is provided at one end of the holder member and the roller shaft is secured by a roller mounting member.
    • 用于将旋转运动转换为直线运动的机构包括在其外周表面具有螺纹或螺纹部分的杆以及杆的外周表面上的可相对于杆旋转并且可相对于杆 。 辊子由保持器构件可旋转地支撑并且在其外周表面处具有环形槽。 每个辊以相对于杆的中心轴线大于或等于螺纹的引导角的轴向角度扭转地设置。 辊轴的两端固定在保持器构件上,机构具有这样的结构,其中直径大于辊轴直径的孔设置在保持器构件的一端,并且辊轴被固定在 滚筒安装件。