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公开(公告)号：US11841071B2
公开(公告)日：2023-12-12
申请号：US17630351
申请日：2019-09-27
发明人： Masaru Kobayashi
CPC分类号： F16H49/001 , F16H55/0833
摘要： The flat strain wave gearing is provided with an axially arranged rigid gear, flexible gear and wave generator. The flexible gear forms a flat truncated cone shape, has a tooth formation portion connected via a bellows-shaped cross-sectional diaphragm to a rigid boss which is an output shaft linking part. The flat strain wave gearing can ensure axial flexibility of the tooth formation portion, and can enable teeth of the flexible gear to mesh favorably with teeth of the rigid gear in the axial direction in each position in the tooth trace direction. Local bias of the load torque in the meshing portion in the tooth formation portion can also be suppressed.
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公开(公告)号：US11035452B2
公开(公告)日：2021-06-15
申请号：US16305598
申请日：2016-07-30
发明人： Masaru Kobayashi
摘要： A wave bearing of a wave generator of a strain wave gearing is provided with steel or stainless steel cylindrical hollow rollers between an inner-race-side raceway surface and an outer-race-side raceway surface, the hollow rollers serving as rolling elements. The ratio Di/Do of the inner diameter Di to the outer diameter Do of the hollow rollers is set to 0.95 or more. The relative radius of curvature of hollow rollers that have been flexed into an ellipsoidal shape increases with respect to the inner-race raceway surface and the outer-race raceway surface with which the hollow rollers are in contact, and the Hertz maximum contact stress is reduced. The hardness of the hollow rollers, the inner-race raceway surface, and the outer-race raceway surface can be reduced.
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公开(公告)号：US10718420B2
公开(公告)日：2020-07-21
申请号：US15541390
申请日：2015-01-08
发明人： Masaru Kobayashi , Tatsuro Hoshina
摘要： A strain wave gearing has a wave generator provided with a plug and a roller bearing. The roller bearing is provided with flange plates fixed to both sides of the plug, and outer circumferential edge portions of the flange plates protrude outwardly from a plug outer circumferential surface so as to locate on both sides, in an axial line direction, of the raceway of rollers. The movements of the rollers in the axial line direction are constrained by the outer circumferential edge portions. The movement of retainer in the axial line direction is constrained by engaging with the rollers. The movement of each component part of the roller bearing in the axial line direction can be constrained without using additional components.
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公开(公告)号：US10655721B2
公开(公告)日：2020-05-19
申请号：US15542872
申请日：2015-01-13
发明人： Masaru Kobayashi
摘要： An internal contact part of a wave generator of a strain wave gearing, a contact part between an externally toothed gear and the wave generator, and tooth surface parts are lubricated by a lubricating fine powder. When the strain wave gearing is in operation, the lubricating fine powder is supplied to the internal contact part and the contact part by a first powder guide that rotates integrally with the wave generator. Having passed through these sections, the lubricating fine powder is supplied to the tooth surface parts by a second powder guide that rotates integrally with the wave generator. Each component part can be reliably lubricated regardless of the orientation of the strain wave gearing during operation.
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公开(公告)号：US10557539B2
公开(公告)日：2020-02-11
申请号：US15519677
申请日：2014-11-21
发明人： Masaru Kobayashi
摘要： A wave generator of a strain wave gearing has a rigid plug provided with an elliptical outer peripheral surface, and a roller bearing. The outer peripheral surface of the plug is provided with a major-axis-side outer-peripheral surface portion formed at a major axis position L1, and a minor-axis-side outer-peripheral surface portion formed at a minor axis position L2. The major-axis-side outer-peripheral surface portion is a tapered surface that is tapered along a center axis line, and the minor-axis-side outer-peripheral surface portion is an inverted tapered surface that is tapered in the opposite direction. An externally toothed gear can be supported and flexed into an elliptical shape without partial contact by using the wave generator in which the roller bearing is used.
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公开(公告)号：US10132398B2
公开(公告)日：2018-11-20
申请号：US15126329
申请日：2014-03-31
摘要： A wave plug of a wave generator of a wave gear device includes: a metallic outer hollow body with an elliptical wave plug outer circumferential surface formed thereon; a metallic inner hollow body with a wave plug inner circumferential surface formed thereon; and an intermediate hollow body sandwiched between the outer hollow body and the inner hollow body. The intermediate hollow body includes CFRP layers. It is possible to implement a light wave plug in which a big hollow portion can be formed while assuring a required rigidity. Using the wave plug makes it possible to implement a light wave gear device which allows jumping to occur at a high load torque and which includes a big hollow portion.
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公开(公告)号：US10352426B2
公开(公告)日：2019-07-16
申请号：US15033815
申请日：2015-05-29
发明人： Masaru Kobayashi , Tatsuro Hoshina
摘要： A flat strain wave gearing (1) has a mechanism for preventing a flexible externally toothed gear (4) from moving in the direction of the device center axis (1a) with respect to a rigid internally toothed gears (2, 3). The mechanism has an inner-peripheral groove (11) formed on inner teeth (3a) of the internally toothed gear (3), an outer-peripheral groove (12) formed on outer teeth (4a) of the externally toothed gear (4), and a flexible ring (13) mounted between the inner-peripheral groove (11) and the outer-peripheral groove (12). The ring (13) is engageable with groove inner-peripheral surfaces (11a, 11b, 12a, 12b), from the direction of the device center axis (1a), at meshing positions of the both gears (2, 4).
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公开(公告)号：US09874273B2
公开(公告)日：2018-01-23
申请号：US14611304
申请日：2015-02-02
发明人： Masaru Kobayashi , Daisuke Orii
IPC分类号： C21D9/32 , C21D1/22 , F16H55/06 , F16H55/08 , C21D6/00 , C21D8/00 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/34 , C22C38/38 , C21D7/06 , F16H49/00
CPC分类号： F16H55/0833 , C21D1/22 , C21D6/002 , C21D6/005 , C21D6/008 , C21D7/06 , C21D8/005 , C21D9/32 , C21D2211/008 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/34 , C22C38/38 , F16H55/06 , F16H2049/003
摘要： A method for manufacturing a flexible externally toothed gear includes: a first step (ST1) for producing a primary molded article by performing near-net-shape plastic working on a material comprising a nickel-free low-alloy steel having a silicon content of 1.45-1.5 wt %; a second step (ST2) for martempering the primary molded article; a third step (ST3) for producing a secondary molded article from the primary molded article; and a fourth step (ST4) for shot-peening the secondary molded article to change the surface portions of the tooth part and other parts to martensite. A flexible externally toothed gear can be obtained in which the surface hardness is kept within a prescribed range and the fatigue strength and abrasion resistance are high.
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公开(公告)号：US20170009868A1
公开(公告)日：2017-01-12
申请号：US15033815
申请日：2015-05-29
发明人： Masaru Kobayashi , Tatsuro Hoshina
IPC分类号： F16H49/00
CPC分类号： F16H49/001 , F16B21/18 , F16H55/0833 , F16H55/14 , F16H55/16 , F16H55/18 , F16H2049/003
摘要： A flat strain wave gearing (1) has a mechanism for preventing a flexible externally toothed gear (4) from moving in the direction of the device center axis (1a) with respect to a rigid internally toothed gears (2, 3). The mechanism has an inner-peripheral groove (11) formed on inner teeth (3a) of the internally toothed gear (3), an outer-peripheral groove (12) formed on outer teeth (4a) of the externally toothed gear (4), and a flexible ring (13) mounted between the inner-peripheral groove (11) and the outer-peripheral groove (12). The ring (13) is engageable with groove inner-peripheral surfaces (11a, 11b, 12a, 12b), from the direction of the device center axis (1a), at meshing positions of the both gears (2, 4).
摘要翻译： 扁平应变波传动装置（1）具有防止柔性外齿轮（4）相对于刚性内齿轮（2,3）沿装置中心轴线（1a）的方向移动的机构。 该机构具有形成在内齿轮（3）的内齿（3a）上的内周槽（11），形成在外齿齿轮（4）的外齿（4a）上的外周槽（12） ，以及安装在内周槽（11）和外周槽（12）之间的柔性环（13）。 在两齿轮（2,4）的啮合位置，环（13）能够沿着装置中心轴线（1a）的方向与槽内周面（11a，11b，12a，12b）接合。
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10.发明授权Fastening friction plate, and fastening and fixing structure for strain wave gearing and output member 有权紧固摩擦板，应变波齿轮传动和输出构件的紧固固定结构公开(公告)号：US09500234B2
公开(公告)日：2016-11-22
申请号：US14375377
申请日：2013-05-08
发明人： Masaru Kobayashi , Tatsuro Hoshina
CPC分类号： F16D1/076 , F16B39/24 , F16D1/033 , F16D69/00 , F16D69/02 , F16D69/023 , F16D2069/004 , F16D2300/10 , F16H49/001
摘要： A fastening friction plate is wedged between the fastening surfaces of two fastening members in order to increase the fastening force between them. The fastening friction plate has a friction plate main body of a fixed thickness, and engaging protuberances having an approximately truncated cone shape formed on the both surfaces of the friction plate main body at a fixed pitch. The friction plate main body and the engaging protuberances are integrally formed by photo-etching into the both surfaces of a steel plate material having a fixed thickness. The hardness of the fastening friction plate is equal to or greater than that of the fastening surfaces of the fastening members.
摘要翻译： 紧固摩擦板楔入两个紧固构件的紧固表面之间，以增加它们之间的紧固力。 紧固摩擦片具有固定厚度的摩擦板主体，并且以固定节距形成在摩擦板主体的两个表面上的具有大致截锥形的接合突起。 摩擦板主体和接合突起通过光蚀刻一体地形成为具有固定厚度的钢板材料的两个表面。 紧固摩擦片的硬度等于或大于紧固构件的紧固面的硬度。
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