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    • 1. 发明授权
    • Flywheel assembly
    • 飞轮总成
    • US4996892A
    • 1991-03-05
    • US445864
    • 1989-11-08
    • Kouzou Yamamoto
    • Kouzou Yamamoto
    • F16F15/12F16D7/02F16D47/02F16F15/134F16F15/139F16F15/30
    • F16D47/02F16D7/025F16F15/1397
    • A flywheel assembly comprising a torque limiting mechanism (14) having an annular holder (40) and drum (45). The holder (40) and drum (45) have, respectively, a flange (51) and a friction portion (54). The flange (51) and a friction portion (54) have formed therebetween a space in which are disposed first and second friction plates (41,44). A driven plate (43) is disposed between the first and second friction plates (41,44). An annular first friction material (46a) is disposed between the flange (51) and the first friction plate (41). An annular second friction material (46b) is disposed between the driven plate (43) and the second friction plate (44). An annular third friction material (46c) is disposed between the second friction plate (44) and the friction portion (54). An annular fourth friction material (46d) is disposed between the friction portion (54) and an end surface (55) of second flywheel (12). A Belleville spring (42) is disposed between the first friction plate (41) and the driven plate (43).
    • PCT No.PCT / JP89 / 00386 Sec。 371日期:一九八九年十一月八日 102(e)日期1989年11月8日PCT 1989年4月10日PCT PCT。 出版物WO89 / 09894 日期:1989年10月19日。一种飞轮组件,包括具有环形保持器(40)和滚筒(45)的转矩限制机构(14)。 保持架(40)和滚筒(45)分别具有凸缘(51)和摩擦部(54)。 凸缘(51)和摩擦部分(54)之间已经形成有间隔开的第一和第二摩擦板(41,44)。 从动板(43)设置在第一和第二摩擦板(41,44)之间。 环形的第一摩擦材料(46a)设置在凸缘(51)和第一摩擦板(41)之间。 环形第二摩擦材料(46b)设置在从动板(43)和第二摩擦板(44)之间。 环形第三摩擦材料(46c)设置在第二摩擦板(44)和摩擦部分(54)之间。 环形第四摩擦材料(46d)设置在摩擦部分(54)和第二飞轮(12)的端表面(55)之间。 贝氏弹簧(42)设置在第一摩擦板(41)和从动板(43)之间。
    • 2. 发明申请
    • Screw tightening construction, and screw and screw tightening tool
    • 螺丝紧固结构,螺丝和螺丝紧固工具
    • US20060165511A1
    • 2006-07-27
    • US10514881
    • 2002-05-27
    • Kouzou Yamamoto
    • Kouzou Yamamoto
    • F16B23/00
    • B25B15/005F16B23/0007F16B23/0023
    • A threaded fastener wrenching structure includes a fitting hole which is provided in one of a threaded fastener and a wrenching tool for wrenching the threaded fastener; and a fitting protrusion which is provided in the other of the threaded fastener and the wrenching tool and which is to be brought into fitting engagement with the fitting hole; wherein each of the fitting hole and protrusion is three-pronged shaped and has three torque transmitting portions which are angularly spaced apart from each other by 120 degrees about a centerline of the each of the fitting hole and protrusion and which project outwardly in a radial direction of the each of the fitting hole and protrusion, so that a wrenching torque is transmitted through the torque transmitting portions to the threaded fastener, as a result of rotation of the wrenching tool when the fitting hole and protrusion are held in fitting engagement with each other, the threaded fastener wrenching structure being characterized in that the fitting protrusion has an inclined engager portion at which a diameter of the fitting protrusion is reduced as viewed in a direction toward an axially distal end of the fitting protrusion, and in that the fitting protrusion is brought into engagement at an axially intermediate portion of the inclined engager portion with an opening edge of the fitting hole.
    • 螺纹紧固件扳手结构包括装配孔,其设置在螺纹紧固件和用于扭转螺纹紧固件的扳手工具之一中; 以及装配突起,其设置在所述螺纹紧固件和所述扳手工具中的另一个中,并且与所述装配孔配合接合; 其中,所述嵌合孔和突起中的每一个都是三叉形的,并且具有三个扭矩传递部分,所述三个扭矩传递部分围绕所述装配孔和突起中的每一个的中心线彼此间隔开120度,并且沿径向方向向外突出 的每个装配孔和突起,使得当装配孔和突起保持彼此配合接合时,由于拧紧工具的旋转,通过扭矩传递部分将扭矩扭矩传递到螺纹紧固件 所述螺纹紧固件扳手结构的特征在于,所述嵌合突起具有倾斜的接合部,所述嵌合突起的直径在朝向所述嵌合突起的轴向前端的方向观察时减小,并且所述嵌合突起为 在倾斜的接合部分的轴向中间部分处接合,开口边缘为t 他装孔。
    • 3. 发明授权
    • Threaded-fastener wrenching structure, threaded fastener and wrenching tool
    • 螺纹紧固件扳手结构,螺纹紧固件和扳手工具
    • US06997085B2
    • 2006-02-14
    • US10478843
    • 2002-05-27
    • Kouzou Yamamoto
    • Kouzou Yamamoto
    • B25B13/06B25B23/16F16B23/00F16B35/06
    • B25B13/06B25B13/065F16B23/0007F16B23/0061F16B23/0092Y10S81/07Y10S411/919
    • A threaded fastener capable of being reduced in size and weight. A pair of side wall surfaces of each of six radially outwardly projecting, torque transmitting portions lie on straight lines passing through the center line in a cross section perpendicular to the center line so as to transmit torque through the side wall surface, whereby the direction of a surface orthogonal force N applied to a force-applied point P by a wrenching tool coincides with the direction of an effective wrenching force F. This arrangement reduces an operation force required for rotating the wrenching tool and accordingly the load acting on each of the torque transmitting portions, in comparison with a conventional hexagonal head. That is, it is possible to reduce the diameter of the head portion of the threaded fastener and the size and weight of the head portion, while avoiding deformation of the side wall surfaces through which the torque is transmitted.
    • 能够减小尺寸和重量的螺纹紧固件。 六个径向向外突出的扭矩传递部分中的每一个的一对侧壁表面位于垂直于中心线的横截面中穿过中心线的直线,以便通过侧壁表面传递扭矩,由此, 通过扳手工具施加到施加力P的表面正交力N与有效的拧紧力F的方向一致。这种布置减少了旋转扳手工具所需的操作力,因此减小了作用在每个扭矩上的载荷 与传统的六角头相比较。 也就是说,可以减小螺纹紧固件的头部的直径和头部的尺寸和重量,同时避免扭矩传递通过的侧壁表面的变形。
    • 4. 发明授权
    • Screw tightening structure, screw and screw tightening tool
    • 螺丝紧固结构,螺丝和螺丝紧固工具
    • US08545156B2
    • 2013-10-01
    • US13377953
    • 2009-06-24
    • Akihiro KageyamaKouzou Yamamoto
    • Akihiro KageyamaKouzou Yamamoto
    • F16B35/06
    • B25B15/005F16B23/0023F16B23/003
    • A screw tightening structure includes an indented concave recess formed on a screw, and mating convex sections provided on a screw tightening tool for tightening the screw: the recess and the mating convex sections including three or more torque transfer portions, respectively, which protrude outward and are disposed at equiangular intervals for concentrically mating engagements; rotating the screw tightening tool causing the torque transfer portions of the mating convex sections to transfer a tightening torque to the screw via the torque transfer portions of the recess; under which outer circumferential edge portions of the torque transfer portions of the mating convex sections to be brought into abutting contact with sidewall of the torque transfer portions of the recess with the tightening torque being transferred to the screw via force application points Q representing resulting abutment portions.
    • 螺钉紧固结构包括形成在螺钉上的凹陷凹槽,以及设置在螺钉紧固工具上用于拧紧螺钉的配合凸部,所述凹部和配合凸部分别包括三个或更多个扭矩传递部分, 以等角间隔布置,用于同心配合接合; 使所述螺钉紧固工具旋转,使得所述配合凸部的转矩传递部分经由所述凹部的转矩传递部分将紧固扭矩传递到所述螺钉; 所述配合凸部的转矩传递部的外周缘部与所述凹部的转矩传递部的侧壁抵接接触,所述扭矩传递部的扭矩传递部通过经由施力点Q传递到所述螺钉,所述力施加点Q表示所述抵接部 。
    • 5. 发明申请
    • SCREW TIGHTENING STRUCTURE, SCREW AND SCREW TIGHTENING TOOL
    • 螺丝紧固结构,螺丝和螺丝紧固件工具
    • US20120099944A1
    • 2012-04-26
    • US13377953
    • 2009-06-24
    • Akihiro KageyamaKouzou Yamamoto
    • Akihiro KageyamaKouzou Yamamoto
    • F16B23/00B25B15/00
    • B25B15/005F16B23/0023F16B23/003
    • A screw tightening structure includes an indented concave recess formed on a screw, and mating convex sections provided on a screw tightening tool for tightening the screw: the recess and the mating convex sections including three or more torque transfer portions, respectively, which protrude outward and are disposed at equiangular intervals for concentrically mating engagements; rotating the screw tightening tool causing the torque transfer portions of the mating convex sections to transfer a tightening torque to the screw via the torque transfer portions of the recess; under which outer circumferential edge portions of the torque transfer portions of the mating convex sections to be brought into abutting contact with sidewall of the torque transfer portions of the recess with the tightening torque being transferred to the screw via force application points Q representing resulting abutment portions.
    • 螺钉紧固结构包括形成在螺钉上的凹陷凹槽,以及设置在螺钉紧固工具上用于拧紧螺钉的配合凸部,所述凹部和配合凸部分别包括三个或更多个扭矩传递部分, 以等角间隔布置,用于同心配合接合; 使所述螺钉紧固工具旋转,使得所述配合凸部的转矩传递部分经由所述凹部的转矩传递部分将紧固扭矩传递到所述螺钉; 所述配合凸部的转矩传递部的外周缘部与所述凹部的转矩传递部的侧壁抵接接触,所述扭矩传递部的扭矩传递部通过经由施力点Q传递到所述螺钉,所述力施加点Q表示所述抵接部 。