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1. 发明授权

US10145272B2 Rocker arm 有权
公开(公告)号：US10145272B2
公开(公告)日：2018-12-04
申请号：US15435584
申请日：2017-02-17
申请人： OTICS CORPORATION
发明人： Naoyuki Yamane , Kiyoshi Masegi , Kimihiko Todo
IPC分类号： F01L1/18 , F01L1/047
摘要： A rocker arm includes a roller, a support shaft coaxially mounted in the roller and having a first end portion and a second end portion, walls including at least a first wall and a second wall arranged along the rotation axis and opposite each other with having the roller therebetween, the first wall having a first through hole through which the first end portion is inserted and the second wall having a second through hole through which the second end portion is inserted, and plate portions including at least a first plate portion and a second plate portion arranged opposite each other with having the first wall, the second wall and the support shaft therebetween. The first plate portion is in contact with a first end surface of the first end portion and the second plate portion is in contact with a second end surface of the second end portion.

2. 发明授权

US11143060B2 Rocker arm and method of manufacturing the same 有权
公开(公告)号：US11143060B2
公开(公告)日：2021-10-12
申请号：US15453181
申请日：2017-03-08
申请人： OTICS CORPORATION
发明人： Naoyuki Yamane , Kiyoshi Masegi , Kimihiko Todo
IPC分类号： F01L1/18 , B21D53/84 , F01L1/053 , F01L1/20
摘要： A rocker arm includes a pair of sidewalls disposed along a heightwise direction so as to be opposed to each other. The sidewalls define a space to house a roller and have opposed portions extending in the heightwise direction relative to adjacent portions which are adjacent to the opposed portions. The opposed portions have thinner portions having smaller thicknesses than the adjacent portions.

3. 发明授权

US09957846B2 Lifter structure 有权
公开(公告)号：US09957846B2
公开(公告)日：2018-05-01
申请号：US15081143
申请日：2016-03-25
申请人： OTICS CORPORATION
发明人： Daiki Miyazawa , Kimihiko Todo , Tatsuya Sasaki
IPC分类号： F01L1/14 , F02M59/10
CPC分类号： F01L1/14 , F01L1/143 , F01L1/146 , F01L2105/00 , F01L2107/00 , F02M59/102
摘要： A lifter structure includes a cylindrical member configured to be reciprocally slid in a guide hole of a lifter guide according to rotation of a cam and having an engagement groove and a rotation-preventing member which is separate from the cylindrical member and is disposed so as to face an interior of the guide hole. The rotation-preventing member is inserted into the engagement groove to abut against a groove edge of the engagement groove in a rotation direction of the cylindrical member, thereby preventing the cylindrical member from rotation in the guide hole.

4. 发明授权

US09879570B2 Lifter 有权
公开(公告)号：US09879570B2
公开(公告)日：2018-01-30
申请号：US15209873
申请日：2016-07-14
申请人： OTICS CORPORATION
发明人： Kimihiko Todo , Daiki Miyazawa , Tatsuya Sasaki
IPC分类号： F01L1/14 , F02M59/10
CPC分类号： F01L1/14 , F01L1/143 , F01L1/146 , F01L2103/00 , F01L2105/00 , F01L2105/02 , F01L2107/00 , F02M59/102
摘要： A lifter includes a roller caused to abut against a cam thereby to be pressed and a lifter body rotatably supporting the roller and housed in a guide hole of a lifter guide so as to be reciprocable in the guide hole. The lifter body includes a cylindrical part and a rotation stopper. The cylindrical part has an outer periphery formed into a cylindrical shape such that the outer periphery is slidable on an inner periphery of the guide hole. The cylindrical part has one of two axial ends, the one end being formed with a skirt covering the roller. The rotation stopper is formed to protrude outward from the other axial end of the cylindrical part, the other axial end being located opposite a side where the skirt is located. The rotation stopper prevents the lifter body from being rotated about an axis thereof relative to the lifter guide.

5. 发明授权

US08973546B2 Lash adjuster 有权
标题翻译：间隙调节器
公开(公告)号：US08973546B2
公开(公告)日：2015-03-10
申请号：US14175560
申请日：2014-02-07
申请人： Otics Corporation
发明人： Hideki Oka , Kimihiko Todo
IPC分类号： F01L1/18 , F01L1/24 , F01L1/245
CPC分类号： F01L1/24 , F01L1/2405 , F01L2001/2427 , F01L2001/256
摘要： A lash adjuster includes a body, a plunger inserted, into the body and having a bottom wall formed with a valve hole and a peripheral wall standing from the bottom wall and having an oil passage hole, the plunger defining a high-pressure chamber between the bottom wall and the body, a partitioning member inserted into the plunger and having an oil passage end located above the oil passage hole, the partitioning member defining an oil passage between itself and the plunger peripheral wall, the partitioning member having a low-pressure chamber reserving a hydraulic fluid flowing through the oil passage hole, the oil passage and the oil passage end, the low-pressure chamber causing the reserved hydraulic fluid to flow through the valve hole into the high-pressure chamber, and a spacer interposed between the plunger peripheral wall and the partitioning member so that the partitioning member is held in the plunger.
摘要翻译：间隙调节器包括主体，插入到主体中的柱塞，并且具有形成有阀孔的底壁和从底壁竖立并具有油通道的周壁，柱塞在其间限定高压室底壁和主体，插入到柱塞中并具有位于油通道孔上方的油通道端的分隔构件，分隔构件在其与柱塞周壁之间限定油通道，分隔构件具有低压室保留流过油通道孔，油路和油路端的液压流体，使保留的液压流体通过阀孔流入高压室的低压室，以及插在柱塞周壁和分隔构件，使得分隔构件保持在柱塞中。

6. 发明授权

US10087788B2 Lifter rotation preventing structure 有权
公开(公告)号：US10087788B2
公开(公告)日：2018-10-02
申请号：US15091878
申请日：2016-04-06
申请人： OTICS CORPORATION
发明人： Tatsuya Sasaki , Daiki Miyazawa , Kimihiko Todo
IPC分类号： F01L1/14 , F02M59/10 , F01L1/46 , F01L3/10 , F01L3/00
摘要： A lifter rotation preventing structure includes a lifter body, a retainer and a biasing member. The lifter body is inserted into a sliding hole of a housing and reciprocated according to rotation of a cam. The lifter body has a peripheral wall slidable in a sliding hole and a partition wall partitioning an inside of the peripheral wall into a first space where the cam is located and a second space located opposite the first space. The retainer has a retainer body connected to an engaging member and a rotation preventing protrusion protruding from an outer periphery of the retainer body and fittingly extending through the peripheral wall. The rotation preventing protrusion has a distal end moved into a rotation preventing groove to prevent the lifter body from rotation. The biasing member interposed between the retainer body and the housing to bias the lifter body to the cam side.

7. 发明授权

US09206711B2 Lash adjuster 有权
标题翻译：间隙调节器
公开(公告)号：US09206711B2
公开(公告)日：2015-12-08
申请号：US14175641
申请日：2014-02-07
申请人： OTICS CORPORATION
发明人： Hiroki Fujii , Kimihiko Todo
IPC分类号： F01L1/18 , F01L1/24
CPC分类号： F01L1/24 , F01L1/185 , F01L1/2405
摘要： A lash adjuster includes a body, a plunger inserted into the body and having a bottom wall with a valve hole and a peripheral wall having an oil passage hole, and a partitioning member. The partitioning member is inserted into the plunger and has an oil passage end located above the oil passage hole in an inserted state. The partitioning member has a recess defining an oil passage together with the peripheral wall. The partitioning member defines a low-pressure chamber reserving hydraulic fluid and has, together with the recess, a press-fit portion abutting against an inner periphery of the peripheral wall when the partitioning member is inserted into the plunger. Consequently, the partitioning member has a deformed cross-sectional shape except for a circular shape when cut at a same height as the oil passage hole. The partitioning member has a same cross-sectional shape over its entire height.
摘要翻译：间隙调节器包括主体，插入到主体中的柱塞，具有带有阀孔的底壁和具有油通孔的周壁以及分隔构件。分隔构件插入柱塞中，并且在插入状态下具有位于油通道孔上方的油路端。分隔构件具有与周壁一起限定油通道的凹部。分隔构件限定了储存液压流体的低压室，并且当分隔构件插入到柱塞中时，与凹部一起形成有压靠在周壁的内周上的压配合部。因此，当在与油通孔相同的高度切割时，分隔构件具有除了圆形外形变形的横截面形状。分隔构件在其整个高度上具有相同的横截面形状。

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