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1. 发明专利

JP2009156369A Two-stage helical gear 有权
标题翻译：两级螺旋齿轮
公开(公告)号：JP2009156369A
公开(公告)日：2009-07-16
申请号：JP2007336302
申请日：2007-12-27
申请人： O-Oka Corp , 大岡技研株式会社
发明人： OOKA MITSUSHIGE , HOGUCHI TETSUYA
IPC分类号： F16H55/17 , B21K1/30
CPC分类号： B21K1/305
摘要： PROBLEM TO BE SOLVED: To provide a two-stage helical gear that maintains strength in a gear by eliminating a machining process to leave a fiber composition called a metal flow inside a tooth profile by forge forming and improves production efficiency by simplifying the manufacturing process to substantially only a cold forging process.
SOLUTION: In the two-stage helical gear equipped with helical gears having different diameters on the outer peripheral face, an upper stage large diameter helical gear and a lower stage small diameter helical gear are coaxial with each other, the lead amounts of each of the large diameter helical gear and the small diameter helical gear are the same, and the large diameter helical gear and the small diameter helical gear are integrally formed by cold forging.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种两级螺旋齿轮，其通过消除通过锻造成型将称为金属流动的纤维组合物留在齿形内部的机械加工来保持齿轮的强度，并且通过简化制造工艺基本上仅仅是一个冷锻工艺。
解决方案：在外圆周表面具有不同直径的斜齿轮的两级斜齿轮中，上级大直径斜齿轮和下级小直径斜齿轮彼此同轴，大直径斜齿轮和小直径斜齿轮中的每一个都相同，并且大直径斜齿轮和小直径斜齿轮通过冷锻整体形成。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2013036500A Concave tapered conical gear 有权
标题翻译： CONCAVE锥形锥形齿轮
公开(公告)号：JP2013036500A
公开(公告)日：2013-02-21
申请号：JP2011171017
申请日：2011-08-04
申请人： O-Oka Corp , 大岡技研株式会社
发明人： OOKA MITSUSHIGE , KAWASAKI YOSHIKI , SHIMOMURA MITSUHIKO
IPC分类号： F16H55/08 , B21J5/02 , B21K1/30
摘要： PROBLEM TO BE SOLVED: To provide a concave tapered conical gear in which the teeth surface has a center recessed shape and which has a taper lead shape in which the cross section of the tooth thickness is tapered in the direction of the tooth trace, and in which the tooth height in the direction of the tooth trace is set to a predetermined dimension, whereby bending fatigue strength in the vicinity of tooth root is improved.SOLUTION: The concave tapered conical gears mesh with each other via a diagonal axis, in which the diameter of a tooth bottom and the Minor T.I.F. diameter in the direction of the tooth trace on the tooth surface are constant.
摘要翻译：要解决的问题：提供一种凹锥形齿轮，其中齿表面具有中心凹形，并且具有锥形引线形状，其中齿厚度的横截面在齿迹方向上是渐缩的并且将齿迹方向的齿高度设定为规定的尺寸，从而提高齿根附近的弯曲疲劳强度。
解决方案：凹锥形锥齿轮通过对角线相互啮合，其中齿底直径和次要T.I.F. 在齿面上的齿迹方向上的直径是恒定的。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2009156351A Integrally molded internal gear 有权
标题翻译：整体式内置齿轮
公开(公告)号：JP2009156351A
公开(公告)日：2009-07-16
申请号：JP2007335485
申请日：2007-12-27
申请人： O-Oka Corp , 大岡技研株式会社
发明人： OOKA MITSUSHIGE , HOGUCHI TETSUYA
IPC分类号： F16H55/17
摘要： PROBLEM TO BE SOLVED: To provide a transmission gear in which a transmission gear part and a clutch gear part are integrated by only a cold forging process, and to provide a transmission gear that maintains strength in the gear by eliminating a machining process to leave a fiber composition called a metal flow inside a tooth profile by forge forming and simplifies the manufacturing process.
SOLUTION: This transmission gear comprises a disc-like bottom plate and an annular gear part. The annular gear part comprises an outer peripheral clutch gear part and an inner peripheral transmission gear part. The clutch gear part includes a spline gear parallel to the axis, and the transmission gear part includes a spar gear or a helical gear. Each of the gear parts is formed by cold forging, and the gear parts are integrally erected on the disc-like bottom plate by cold forging.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种传动齿轮，其中传动齿轮部分和离合器齿轮部分仅通过冷锻工艺整合，并且提供一种传动齿轮，通过消除加工过程来保持齿轮的强度通过锻造形成将称为金属流的纤维组合物留在齿廓内，并简化了制造过程。解决方案：该传动齿轮包括盘形底板和环形齿轮部分。环形齿轮部分包括外周离合器齿轮部分和内周齿轮传动齿轮部分。离合器齿轮部分包括平行于轴线的花键齿轮，传动齿轮部分包括翼梁齿轮或斜齿轮。每个齿轮部分通过冷锻形成，并且通过冷锻将齿轮部分一体地竖立在盘状底板上。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2015021569A リダクションドリブン歯車構造体审中-公开
标题翻译：减速驱动齿轮结构
公开(公告)号：JP2015021569A
公开(公告)日：2015-02-02
申请号：JP2013150815
申请日：2013-07-19
申请人：大岡技研株式会社 , O-Oka Corp
发明人： OOKA MITSUSHIGE , SHIMOMURA MITSUHIKO , NATSUME YUJI
IPC分类号： F16H55/17 , B21K1/30 , B23F5/16
摘要：【課題】軸部材と円板状部材とを熱間鍛造により一体化製造し、かつ、軸部材に内外スプライン歯を冷間鍛造により形成するとともに、円板状部材にリダクションドリブン歯を設けたリダクションドリブン歯車構造体を提供することを目的としている。【解決手段】円板状部材Aとその円板状部材Aと同軸の軸部材Bとが一体に設けられ、前記円板状部材Aの外周面にヘリカル歯1を設け、軸心を上下方向に貫通する孔の上部内周に冷間鍛造によって内スプライン歯2を形成し、かつ、前記軸部材Bの下方の外周面に冷間鍛造によって外スプライン歯4を形成したリダクションドリブン歯車構造体100であって、前記軸部材Bは熱間鍛造によって押し出し成形されることを特徴とする。【選択図】図1
摘要翻译：要解决的问题：为了提供通过热锻一体制造轴构件和盘状构件的减速从动齿轮结构，轴构件通过冷锻形成内部和外部花键齿，并且在同时圆盘状构件设置有还原驱动齿。解决方案：本发明涉及一种减速从动齿轮结构100，其中与盘状构件A同轴的盘状构件A和轴构件B一体地盘状部件A的外周面配置有螺旋状齿1，通过冷心锻造而形成有内花键齿2的上下方向的轴中心的孔的上内周面形成有下部外周轴构件B的圆周表面通过冷锻成形为外花键齿4，其特征在于，轴构件B通过热锻挤压成型。

5. 发明专利

JP2014066336A Gear with flange 有权
标题翻译：齿轮与法兰
公开(公告)号：JP2014066336A
公开(公告)日：2014-04-17
申请号：JP2012213673
申请日：2012-09-27
申请人： O-Oka Corp , 大岡技研株式会社
发明人： OOKA MITSUSHIGE , SHIMOMURA MITSUHIKO
IPC分类号： F16H55/17
摘要： PROBLEM TO BE SOLVED: To provide a gear in which a bottleneck of a hot thickness flow in forging is improved by providing a flange on a tooth end surface to form fiber flow inside a tooth shape in a dense manner, and the surface pressure fatigue strength and flexure fatigue strength of the gear are improved.SOLUTION: In a gear, fiber flow is formed inside a tooth shape by forging, and a flange is provided on the tooth end surface of a main tooth.
摘要翻译：要解决的问题：提供一种齿轮，其通过在齿端面上设置凸缘来提高锻造中的热厚度流动的瓶颈，从而在致密的方式形成齿形内的纤维流，并且提供表面压力疲劳强度并提高齿轮的挠曲疲劳强度。解决方案：在齿轮中，通过锻造在齿形内形成纤维流，在主齿的齿端表面上设置有凸缘。

6. 发明专利

JP2013092177A Transmission gear formed with protruding part having stopper function in vicinity of dog clutch tooth 有权
标题翻译：传动齿轮形成带有止动器功能的部件，用于DOG离合器牙齿
公开(公告)号：JP2013092177A
公开(公告)日：2013-05-16
申请号：JP2011233651
申请日：2011-10-25
申请人： O-Oka Corp , 大岡技研株式会社
发明人： OOKA MITSUSHIGE , OKADA TOMOYOSHI
IPC分类号： F16D11/10 , F16H55/17
摘要： PROBLEM TO BE SOLVED: To provide a transmission gear of a manual transmission in which a sleeve tooth at a mating side abuts on a protruding part by forming the protruding part which slightly protrudes from a tooth bottom face of a dog clutch tooth.SOLUTION: The transmission gear is characterized in that: a cone, a flange, a dog clutch tooth row, tooth root faces of these items and a helical tooth row are concentrically and integrally molded from the inside to the external peripheral side by hot forging and cold forging, and the protruding part is formed so as to protrude from the tooth bottom face whiled being shifted to the flange on the tooth bottom face of the dog clutch tooth row.
摘要翻译：要解决的问题：提供一种手动变速器的变速齿轮，其中通过形成从狗离合器齿的齿底部稍微突出的突出部，配合侧的套筒齿与突出部抵接。解决方案：传动齿轮的特征在于：锥体，凸缘，爪式离合器齿列，这些物体的齿根面和螺旋齿排由内向内外侧一体地模制成外周侧热锻和冷锻，并且突出部形成为从齿底面突出而移动到爪式离合器齿排的齿底面上的凸缘。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2013040652A Synchronous clutch gear for double-cone synchronization 有权
标题翻译：同步离合器用于双重同步同步
公开(公告)号：JP2013040652A
公开(公告)日：2013-02-28
申请号：JP2011178319
申请日：2011-08-17
申请人： O-Oka Corp , 大岡技研株式会社
发明人： OOKA MITSUSHIGE , OKADA TOMOYOSHI
IPC分类号： F16H55/17 , B21K1/30 , F16D23/06 , F16H3/083
摘要： PROBLEM TO BE SOLVED: To provide a synchronous clutch gear for double-cone synchronization improved in tooth shapes of dog clutch teeth or in the accuracy of the tooth shapes.SOLUTION: In the synchronous clutch gear W for the double-cone synchronization in which an internal tooth block body W02 applied with carburizing heat treatment after forging-molded similarly with an external tooth block body is integrated to the external tooth block body W01 applied with the carburizing heat treatment after forging-molded, the synchronous clutch gear is characterized in that: a shaft hole 3, a cone 5, a flange 8 and external teeth 1 are constituted on the same axis, respectively, from the inside toward the external peripheral side in the external tooth block body W01; on the other hand, a single hole, a flange and the dog clutch teeth are constituted on the same axis, respectively, from the inside toward the external peripheral side in the internal tooth block body W02; closed-pocket type window grooves 63 are formed in a plurality of points along the internal peripheral face of the single hole; next, open-pocket type cracked grooves are formed in a plurality of points at the internal peripheral face via the window grooves 63; and the internal peripheral face of the internal tooth block body W02 is firmly adhered to the external peripheral face of the cone 5 of the external tooth block body W01.
摘要翻译：要解决的问题：提供一种用于双锥同步的同步离合器齿轮，改善了狗离合器齿的齿形或齿形的精度。解决方案：在用于双锥同步的同步离合器齿轮W中，其中类似于外部齿块体的锻造成型后，与施加了渗碳热处理的内部齿块体W02一体化到外部齿块体W01 在同步离合器齿轮的锻造成型之后进行渗碳热处理，其特征在于：轴孔3，锥体5，凸缘8和外齿1分别从内侧朝向外部齿块体W01的外周侧; 另一方面，单个孔，凸缘和爪式离合器齿分别从内齿块体W02中的内侧向外周侧分别构成，闭孔型窗槽63沿着单孔的内周面形成在多个点上; 接下来，经由窗槽63在内周面的多个点形成开口型破裂槽; 并且内齿块体W02的内周面牢固地附着在外齿块体W01的锥体5的外周面上。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2014105744A gear 审中-公开
标题翻译：齿轮
公开(公告)号：JP2014105744A
公开(公告)日：2014-06-09
申请号：JP2012257705
申请日：2012-11-26
申请人： O-Oka Corp , 大岡技研株式会社
发明人： OOKA MITSUSHIGE , TANIGUCHI HIROYUKI , NAGATA KENJIRO
IPC分类号： F16H55/17
摘要： PROBLEM TO BE SOLVED: To provide a gear formed with a tooth profile through hammering and having a flat part of a cylindrical surface of the same diameter as an outer diameter of addendum in place of an undercut recess below the end part in a tooth trace direction, i.e. a gear in which arrangement of the flat part of the cylindrical surface below the end part in the tooth trace direction causes a washer to be stably set, the gear product is positively connected to a motor side of a hybrid vehicle and flexural fatigue strength at a dedendum part below the end part in another tooth trace direction is improved.SOLUTION: This invention relates to a gear in which either an outer peripheral surface or an inner peripheral surface is formed with tooth profiles, and a flat part 7 of the cylindrical surface having the same diameter as that of addendum is arranged below the end part in a tooth trace direction of the tooth profiles.
摘要翻译：要解决的问题：通过锤击提供形成有齿廓的齿轮，并且具有与齿顶的外径相同直径的圆柱形表面的平坦部分，以代替端部在齿迹方向下方的底切凹部也就是说，齿轮中的圆柱形表面的平坦部分在端部的齿迹方向上的排列使得洗衣机稳定地固定，齿轮产品正确地连接到混合动力车辆的电动机侧，并且弯曲疲劳强度在另一个齿迹方向的端部下方的齿根部分被改进。解决方案：本发明涉及一种齿轮，其中外周表面或内周表面形成有齿形，圆柱形的平坦部分7 具有与齿顶相同直径的表面布置在齿廓的齿迹方向上的端部下方。

9. 发明专利

JP2014098438A Double helical gear 有权
标题翻译：双重螺旋齿轮
公开(公告)号：JP2014098438A
公开(公告)日：2014-05-29
申请号：JP2012250447
申请日：2012-11-14
申请人： O-Oka Corp , 大岡技研株式会社
发明人： OOKA MITSUSHIGE , HOGUCHI TETSUYA
IPC分类号： F16H55/17 , B21K1/30
摘要： PROBLEM TO BE SOLVED: To provide a double helical gear in which a pair of helical teeth having right and left twisting directions opposite to each other are integrally formed by a cold forging from an annular coarse material, a mold structure is properly modified to eliminate a phase shift in a tooth facing direction and improve a dedendum strength with high accuracy.SOLUTION: This invention relates to a double helical gear in which a pair of helical teeth having opposite right and left twisting directions are formed on the same axis of an outer peripheral surface of a cylindrical coarse material and an interface area is arranged between the pair of helical teeth, the interface area is constituted by a groove or a rib.
摘要翻译：要解决的问题：为了提供一种双斜齿轮，其中通过从环形粗材料进行冷锻而将具有彼此相反的左右扭转方向的一对螺旋齿一体地形成，适当地修改模具结构以消除相对于朝向齿面方向的相移，并且以高精度提高齿根强度。解决方案：本发明涉及一种双斜齿轮，其中一对具有相反的左右扭转方向的螺旋齿形成在外周的同一轴线上圆柱形粗材料的表面和界面区域布置在一对螺旋齿之间，界面区域由凹槽或肋构成。

10. 发明专利

JP2013092232A Dog clutch tooth stabilized in fitting 有权
标题翻译： DOG离合器固定在配件中
公开(公告)号：JP2013092232A
公开(公告)日：2013-05-16
申请号：JP2011235805
申请日：2011-10-27
申请人： O-Oka Corp , 大岡技研株式会社
发明人： OOKA MITSUSHIGE , OKADA TOMOYOSHI
IPC分类号： F16D11/00 , F16H55/17
摘要： PROBLEM TO BE SOLVED: To provide a transmission gear which promotes the creation of an opportunity for starting meshing with a mate-side sleeve tooth by arranging irregular teeth changed in heights of chamfers and angles of the chamfers, improves shift feeling performance and can obtain stable rotation.SOLUTION: The transmission gear is characterized in that, in a dog clutch tooth row, the irregular teeth are arranged at equal pitches, concretely, heights from tooth roots up to tips of the chamfers are set low, or the irregular teeth reduced in the angles of the chamfers are arranged.

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