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1. 发明专利

JP2006177415A Design method for gear tooth profile of gear and gear 有权
标题翻译：齿轮齿轮齿廓剖面设计方法
公开(公告)号：JP2006177415A
公开(公告)日：2006-07-06
申请号：JP2004369859
申请日：2004-12-21
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： UEDA YASUSHI , HAYASHIDA YASUSHI , HONDA SHO , AOYAMA TAKAYUKI
IPC分类号： F16H55/17 , F16H55/08
摘要： PROBLEM TO BE SOLVED: To provide a design method for a gear tooth profile of a gear capable of efficiently providing the gear tooth profile developing a specified engaging performance and the gear enabling a reduction in weight while suppressing the lowering of the engaging performance.
SOLUTION: This design method for the gear tooth profile of the helical gear 10 comprises a step for determining a plurality of simultaneous contact lines 121a to 121d on a tooth face 21 and determining the tooth profiles along the simultaneous contact lines 121a to 121d, a step for setting, on the tooth face 21, engagement advancing lines 122 formed by connecting the highest positions of the simultaneous contact lines 121a to 121d to each other, and a step for determining the tooth profiles along the engagement advancing lines 122.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种齿轮的齿轮齿廓的设计方法，其能够有效地提供齿轮齿廓以形成指定的接合性能，并且能够减轻重量的齿轮同时抑制接合性能的降低。解决方案：用于螺旋齿轮10的齿轮齿廓的这种设计方法包括用于确定齿面21上的多个同时接触线121a至121d的步骤，并且沿着同时接触线121a至121d确定齿廓在齿面21上设置通过将同时接触线121a至121d的最高位置彼此连接而形成的接合行进线122以及用于确定沿着接合行进线122的齿廓的步骤的步骤。 P>版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2004360877A Involute gear 有权
公开(公告)号：JP2004360877A
公开(公告)日：2004-12-24
申请号：JP2003163201
申请日：2003-06-09
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： HONDA SHO , TAKASE KIMIHIRO , SUNAMI SEIICHI , KAWAMINAMI MITSUHIRO , HAYASHIDA YASUSHI , UEDA YASUSHI
IPC分类号： F16H55/08 , F16H55/17
摘要： PROBLEM TO BE SOLVED: To improve strength of teeth without hindering the rotation transmitting function, in regards to an involute gear. SOLUTION: The whole area of each of tooth flanks 20 and 22 is partitioned into a strip contact area including a locus of a contact point of both the tooth flanks and extended along the locus and a non-contact area positioned outside of the contact area. The contact area is formed into an involute helicoid to function as a tooth abutting surface against a tooth flank of a counter gear. The non-contact area is formed into a shape which does not contact with a tooth flank of the counter gear, and formed into a shape changed to directly or indirectly improve strength of the teeth of the involute gear in comparison with the basic tooth flank shape wherein the whole area is formed into an involute helicoid. For example, a tooth tip part 30 is cut in both sides in the tooth cross direction in relation to the basic tooth tip shape, and a tooth bottom part 32 is raised in both sides in the tooth cross direction in relation to the basic tooth bottom shape. COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JPH07309242A RACK PINION TYPE STEERING GEAR DEVICE 失效
公开(公告)号：JPH07309242A
公开(公告)日：1995-11-28
申请号：JP10298294
申请日：1994-05-17
申请人： TOYOTA MOTOR CORP
发明人： WADA YOSHISADA , IWASE TAKAHIRO , HAYASHI KUNIO , TSUDA KAZUHIKO , SHIOTANI SHIGEMI , HAYASHIDA YASUSHI
IPC分类号： B62D3/12 , F16H19/04 , F16H55/08 , F16H55/28
摘要： PURPOSE:To suppress the worsening of steering performance without increasing the size and weight of a rack pinion type steering gear device. CONSTITUTION:In a rack pinion type steering gear device which is constituted such that a direction of transmission of force in a meshing part of a teeth portion 11a of a pinion 11 with a teeth portion 15a of a rack 15 forms a predetermined angle for the axis of the rack 15 and the rack 15 is elastically supported on a rack guide supported with a spring member and is energized toward the pinion 11, a tip of one of both teeth portions 11a, 15a is brought into contact with a bottom of the other teeth portion.

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