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公开(公告)号：US10138763B2
公开(公告)日：2018-11-27
申请号：US15435601
申请日：2017-02-17
Applicant: OTICS CORPORATION
Inventor： Daiki Miyazawa
Abstract: A rocker arm includes a roller, a support shaft coaxially mounted in the roller, walls arranged along a rotation axis and having the roller therebetween and having through holes, respectively, through which end portions of the support shaft are inserted, and each of the walls having an inner surface opposite the roller, and holding members mounted in the respective walls. The holding member includes a tubular portion mounted in each through hole and disposed between an inner peripheral surface of the through hole and an outer surface of an end portion of the support shaft, a first stopper portion included at a first end of the tubular portion to be in contact with the inner surface of one of the walls, and a second stopper portion included at a second end of the tubular portion to be in contact with an end surface of one of the end portions.
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公开(公告)号：US10087788B2
公开(公告)日：2018-10-02
申请号：US15091878
申请日：2016-04-06
Applicant: OTICS CORPORATION
Inventor： Tatsuya Sasaki , Daiki Miyazawa , Kimihiko Todo
Abstract: 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.
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公开(公告)号：US09957846B2
公开(公告)日：2018-05-01
申请号：US15081143
申请日：2016-03-25
Applicant: OTICS CORPORATION
Inventor： Daiki Miyazawa , Kimihiko Todo , Tatsuya Sasaki
CPC classification number: F01L1/14 , F01L1/143 , F01L1/146 , F01L2105/00 , F01L2107/00 , F02M59/102
Abstract: 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.
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公开(公告)号：US09879570B2
公开(公告)日：2018-01-30
申请号：US15209873
申请日：2016-07-14
Applicant: OTICS CORPORATION
Inventor： Kimihiko Todo , Daiki Miyazawa , Tatsuya Sasaki
CPC classification number: F01L1/14 , F01L1/143 , F01L1/146 , F01L2103/00 , F01L2105/00 , F01L2105/02 , F01L2107/00 , F02M59/102
Abstract: 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.
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