公开(公告)号：US06925902B2

公开(公告)日：2005-08-09

申请号：US10259608

申请日：2002-09-30

Applicant: Etsurou Kitami ,  Tomohiro Maekawa ,  Terukazu Nakajima

Inventor： Etsurou Kitami ,  Tomohiro Maekawa ,  Terukazu Nakajima

IPC: B62D5/04 ,  F16H1/16

CPC classification number: F16H1/16 ,  B62D5/0409 ,  F16C33/581 ,  F16C2361/61 ,  F16H57/021 ,  F16H2057/0213 ,  Y10T74/18792 ,  Y10T74/19828

Abstract: There is provided a worm speed change apparatus comprising a worm shaft and a worm wheel meshed therewith. Rolling elements are rotatably disposed between a raceway groove formed directly in at least one of end portions of the worm shaft, and a bearing outer ring held by a housing. The worm shaft is directly supported by the rolling elements.

Abstract translation: 提供了一种蜗杆变速装置，其包括蜗杆轴和与其啮合的蜗轮。 滚动元件可旋转地设置在直接形成在蜗杆轴的至少一个端部中的滚道槽与由壳体保持的轴承外圈之间。 蜗杆轴直接由滚动元件支撑。

公开(公告)号：US06988582B2

公开(公告)日：2006-01-24

申请号：US10340538

申请日：2003-01-10

Applicant: Etsurou Kitami ,  Hiroaki Murakami ,  Tomohiro Maekawa ,  Tomomasa Machida ,  Kaname Joshita ,  Teruo Tsutsui

Inventor： Etsurou Kitami ,  Hiroaki Murakami ,  Tomohiro Maekawa ,  Tomomasa Machida ,  Kaname Joshita ,  Teruo Tsutsui

IPC: F16H35/12 ,  F16H55/10

CPC classification number: F16D1/06 ,  B62D5/0409 ,  F16D2001/062 ,  F16F15/126 ,  F16H1/16 ,  F16H55/14 ,  Y10T74/19898

Abstract: A worm 1 is composed of an annular tooth body 11 having a tooth 10 on the outer surface thereof, a core body 12 inserted inside the annular tooth body 11; and an elastic coupler 13, which can be transformed in the radial direction, for coupling the core body 12 with the annular tooth body 11. The worm 1 is engaged with the worm wheel with the elastic coupler 13 being transformed in the radial direction in such a manner that a negative amount of backlash is generated at the engagement portion. This can be also employed for the worm wheel. With a reduction gear combination having this structure, the backlash amount at the engagement portion can be adjusted to a proper amount without selecting elements such as the worm and the worm wheel to be assembled.

Abstract translation: 蜗杆1由在其外表面上具有齿10的环形齿体11，插入在环形齿体11的内部的芯体12构成。 以及可以沿径向变形的弹性联轴器13，用于将芯体12与环形齿体11联接。 蜗杆1与蜗轮啮合，弹性联轴器13沿径向变形，使得在接合部分产生负量的齿隙。 这也可以用于蜗轮。 通过具有这种结构的减速装置组合，可以将接合部分的间隙量调节到适当的量，而不需要选择要组装的蜗杆和蜗轮等元件。

公开(公告)号：US06722168B2

公开(公告)日：2004-04-20

申请号：US10231080

申请日：2002-08-30

Applicant: Etsurou Kitami ,  Tomohiro Maekawa ,  Terukazu Nakajima ,  Takaya Akiyama

Inventor： Etsurou Kitami ,  Tomohiro Maekawa ,  Terukazu Nakajima ,  Takaya Akiyama

IPC: B60R2502

CPC classification number: B60R25/02107 ,  Y10T70/565 ,  Y10T70/5664

Abstract: A steering locking device has an annular clearance provided between a steering shaft and a collar surrounding the steering shaft. A spacer is press-fitted in the annular clearance, to form a circular arc shape surrounding the steering shaft. The spacer is wound around the steering shaft from the outside of the collar through the opening of the collar. When a locking member supported on a locking device main body is at a locked position, the collar is prevented from being rotated. When a torque applied to the steering shaft is not more than a predetermined torque, the spacer prevents the relative rotation between the steering shaft and the collar.

Abstract translation: 转向锁定装置具有设置在转向轴和围绕转向轴的轴环之间的环形间隙。 间隔件被压配合在环形间隙中，以形成围绕转向轴的圆弧形状。 间隔件通过套环的开口从套环的外侧缠绕在转向轴上。 当支撑在锁定装置主体上的锁定构件处于锁定位置时，防止套环旋转。 当施加到转向轴的扭矩不大于预定扭矩时，间隔件防止转向轴和轴环之间的相对旋转。