公开(公告)号：US09534671B2

公开(公告)日：2017-01-03

申请号：US14183790

申请日：2014-02-19

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Yuichiro Ishikawa ,  Yuji Kurematsu

IPC: F16H7/18

CPC classification number: F16H7/18 ,  F16H2007/185

Abstract: The occupation space of a chain inside an engine room can be reduced, while the necessary strength, rigidity, and durability are maintained, the sheet thickness can be decreased, the number of production steps and material waste can be reduced, stress concentration and strains during bending and fixing can be reduced, load offset during fixing and loosening of bolts or the like can be prevented, the increase in vibrations and noise during the use can be prevented, the maintenance operation load can be reduced, and utility can be increased with a simple configuration. A chain guide is provided with a base member supporting a guide shoe. The base member has a base mounting portion and base wall portions formed to sandwich the guide shoe from both sides in a width direction. The guide shoe has a guide shoe mounting portion at a position apart from the base mounting portion in the chain running direction.

Abstract translation: 可以减少发动机室内的链条的占用空间，同时保持必要的强度，刚性和耐久性，可以减少板厚，减少生产步骤和材料浪费的次数，应力集中和应变 可以减少弯曲和固定，可以防止在固定和松动螺栓等期间的负载偏移，可以防止使用期间的振动和噪音的增加，从而可以降低维护操作负荷，并且可以通过 简单配置。 链条引导件设置有支撑引导靴的基部构件。 基部构件具有基部安装部和底壁部，其形成为在宽度方向上从两侧夹持导靴。 导靴具有在链条运行方向上离开基座安装部分的位置处的导靴安装部分。

公开(公告)号：US20150005120A1

公开(公告)日：2015-01-01

申请号：US14309036

申请日：2014-06-19

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Yuji Kurematsu ,  Yuichiro Ishikawa

IPC: F16H7/08 ,  F16H7/18

CPC classification number: F16H7/08 ,  F16H2007/0842 ,  F16H2007/0872 ,  F16H2007/0878 ,  F16H2007/0893 ,  F16H2007/185

Abstract: To provide a simple design chain tensioner that enables formation with fewer components and simplifies assembling process, and is capable of driving a chain stably, thereby reducing wear or occurrence of breakage and improve durability. The chain tensioner 100 includes a chain-drive guide shoe 130 pivotally supported on an arm 120 provided to a tensioner body 110. A bushing part 140 of the chain-drive guide shoe 130 includes a mating hole 141 to mate with a first pin portion 122 that extends from the distal end of the arm 120 to one lateral side, and a guide part 142 guided by a part of a second pin portion 123 that extends to the other lateral side, and a slit 143 wider than a portion of the arm 120 facing the chain-drive guide shoe 130 is provided between the mating hole 141 and the guide part 142.

Abstract translation: 提供一种简单的设计链张紧器，能够以更少的部件形成并简化组装过程，并且能够稳定地驱动链，从而减少磨损或发生断裂并提高耐久性。 链条张紧器100包括枢转地支撑在设置在张紧器主体110上的臂120上的链条驱动导向靴130.链条驱动导向靴130的衬套部分140包括与第一销部分122配合的配合孔141 从臂120的远端延伸到一个侧面，以及由延伸到另一侧面的第二销部123的一部分引导的引导部142以及比臂120的一部分宽的狭缝143 链条驱动导向板130设置在配合孔141与引导部142之间。

公开(公告)号：US20140248983A1

公开(公告)日：2014-09-04

申请号：US14183790

申请日：2014-02-19

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Yuichiro Ishikawa ,  Yuji Kurematsu

IPC: F16H7/18

CPC classification number: F16H7/18 ,  F16H2007/185

Abstract: The occupation space of a chain inside an engine room can be reduced, while the necessary strength, rigidity, and durability are maintained, the sheet thickness can be decreased, the number of production steps and material waste can be reduced, stress concentration and strains during bending and fixing can be reduced, load offset during fixing and loosening of bolts or the like can be prevented, the increase in vibrations and noise during the use can be prevented, the maintenance operation load can be reduced, and utility can be increased with a simple configuration. A chain guide is provided with a base member supporting a guide shoe. The base member has a base mounting portion and base wall portions formed to sandwich the guide shoe from both sides in a width direction. The guide shoe has a guide shoe mounting portion at a position apart from the base mounting portion in the chain running direction.

Abstract translation: 可以减少发动机室内的链条的占用空间，同时保持必要的强度，刚性和耐久性，可以减少板厚，减少生产步骤和材料浪费的次数，应力集中和应变 可以减少弯曲和固定，可以防止在固定和松动螺栓等期间的负载偏移，可以防止使用期间的振动和噪音的增加，从而可以降低维护操作负荷，并且可以通过 简单配置。 链条引导件设置有支撑引导靴的基部构件。 基部构件具有基部安装部和底壁部，其形成为在宽度方向上从两侧夹持导靴。 导靴具有在链条运行方向上离开基座安装部分的位置处的导靴安装部分。

公开(公告)号：US12253170B2

公开(公告)日：2025-03-18

申请号：US18379910

申请日：2023-10-13

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Yuichiro Ishikawa

IPC: F16H7/08

Abstract: An object of the present invention is to provide a tensioner with a simple structure that effectively maintains the oil pressure inside an oil pressure chamber at a correct level, while also making the machining and assembling processes less demanding. The tensioner includes a relief mechanism, which includes an orifice member that has an oil passage designed to form an orifice structure. The orifice member has a flat circular end wall part and a circumferential wall part that extends rearwards from the peripheral edge of the end wall part. The circumferential wall part includes a bulged portion that extends rearwards and is curved radially outwards. The bulged portion is designed such that the diameter of the circumscribed circle of the orifice member is greater than the inside diameter of the plunger as viewed in plan from an axial direction before the orifice member is press-fit into the plunger.

公开(公告)号：US12188559B2

公开(公告)日：2025-01-07

申请号：US18383346

申请日：2023-10-24

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Yuichiro Ishikawa

IPC: F16H7/08

Abstract: A chain tensioner that can ensure oil with such a volume that sufficiently fills a pressure oil chamber in a tensioner body and can quickly fill the pressure oil chamber with the oil with a simple constitution and without increasing a size of the tensioner body is provided.
In a chain tensioner including a tensioner body having a plunger holding hole, a plunger, and urging means that is telescopically accommodated in a pressure oil chamber and urges the plunger, the plunger holding hole has a plunger holding wall sliding with the plunger and a plunger holding bottom-surface part, an oil storing chamber is provided on an outer periphery side of the plunger holding wall, and on an end part on the plunger holding bottom-surface part side of the plunger holding hole, a check valve unit that connects the pressure oil chamber and the oil storing chamber are provided.

公开(公告)号：US11448292B2

公开(公告)日：2022-09-20

申请号：US16877769

申请日：2020-05-19

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Yuichiro Ishikawa ,  Osamu Yoshida ,  Yuji Kurematsu ,  Masanori Watanabe

IPC: F16H7/08

Abstract: To provide a tensioner that can keep the oil pressure in an oil pressure chamber stable and consistently generate suitable reaction force and damping force to impact loads to reduce looseness in the chain and noise. A piston is set such as to partition an inner space of a plunger into an adjustment space on the front side and the oil pressure chamber on the rear side, a piston restricting member restricting the movement of the piston toward the adjustment space. An oil relief mechanism is configured to cause the piston to move forward when oil pressure in the oil pressure chamber rises so as to discharge oil inside the oil pressure chamber to the outside. The piston restricting member has an orifice function that can control the amount of discharged oil.

公开(公告)号：US09568071B2

公开(公告)日：2017-02-14

申请号：US14320950

申请日：2014-07-01

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Masahiko Konno ,  Yuichiro Ishikawa ,  Yuji Kurematsu

IPC: F16H7/08 ,  F16H7/18

CPC classification number: F16H7/08 ,  F16H7/18 ,  F16H2007/0872 ,  F16H2007/0893 ,  F16H2007/185

Abstract: The present invention provides a highly durable chain guide which is simply configured, easy to assemble, and low in material cost, and in which vibration and tilting are suppressed, enabling reductions in noise, wear, breakage, and so on. A guide shoe includes a plate housing portion which is formed on a rear surface side of a travel guiding portion, and into which a plate can be inserted from below, and in at least one location of an attachment portion or a tensioner contact portion, the plate housing portion constitutes a plate end holding portion formed to be capable of supporting an end portion of the plate from below such that the plate can be inserted therein from a direction other than from below.

Abstract translation: 本发明提供一种结构简单，易于组装，材料成本低，抑制振动和倾斜的高度耐用的链条引导件，能够降低噪音，磨损，破损等。 引导靴包括形成在行进引导部分的后表面侧的板容纳部分，并且板可以从下方插入其中，并且在附接部分或张紧器接触部分的至少一个位置中， 板壳体部分构成板端保持部分，其形成为能够从下方支撑板的端部，使得板可以从除了从下方的方向插入其中。

公开(公告)号：US20160348765A1

公开(公告)日：2016-12-01

申请号：US15167008

申请日：2016-05-27

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Yuichiro Ishikawa ,  Kohei Kunimatsu

IPC: F16H7/08

CPC classification number: F16H7/08 ,  F16H7/0836 ,  F16H2007/0814 ,  F16H2007/0859 ,  F16H2007/0878 ,  F16H2007/0893

Abstract: To provide a simple-structured tensioner that can maintain good sliding properties of and hydraulic pressure for the plunger. The tensioner 10 includes a sleeve 30 inserted into a cylindrical body hole 21, a plunger 40 inserted in the sleeve 30 such as to be able to advance and retract along an axial direction of the sleeve 30, and biasing unit 60 for biasing the plunger 40 toward a front side. The sleeve 30 has, at a front end of a sleeve body 31 thereof, a flange part 33 extending radially outward.

Abstract translation: 提供能够保持柱塞的良好滑动性能和液压的简单结构的张紧器。 张紧器10包括插入圆柱形主体孔21中的套筒30，插入到套筒30中的柱塞40，以便能够沿着套筒30的轴向前进和后退;以及用于偏置柱塞40的偏压单元60 朝前方 套管30在其套筒本体31的前端处具有径向向外延伸的凸缘部33。

公开(公告)号：US20140179473A1

公开(公告)日：2014-06-26

申请号：US14140286

申请日：2013-12-24

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Masahiko Konno ,  Yuichiro Ishikawa ,  Takahiro Matsushita

IPC: F16H7/18

CPC classification number: F16H7/18

Abstract: The invention provides a chain guide capable of reducing a space the guide occupies in an engine room while maintaining necessary strength, rigidity, and durability with a simple configuration, reducing manufacturing man-hour and a waste of a material, preventing an increase in vibration and noise during use without necessity of forming a structure for allowing an error, and reducing a maintenance work load. A chain guide includes a guide shoe and a base member configured to support the guide shoe. The base member includes a base attaching section extending perpendicularly to a chain traveling direction. The guide shoe includes a guide shoe attaching section extending perpendicularly to the chain traveling direction in a position spaced apart from the base attaching section in the chain traveling direction.

Abstract translation: 本发明提供了一种链引导件，其能够以简单的构造减少引导件占据在发动机室中的空间，同时保持必要的强度，刚性和耐久性，从而减少制造工时和材料的浪费，防止振动和 噪声，而不需要形成用于允许错误的结构，并且降低维护工作负荷。 链条引导件包括引导靴和构造成支撑导靴的基部构件。 基部构件包括垂直于链条行进方向延伸的基部附接部。 导靴包括在链条行进方向上与基座安装部分隔开的位置处垂直于链条行进方向延伸的导靴安装部。

公开(公告)号：US20240191782A1

公开(公告)日：2024-06-13

申请号：US18378340

申请日：2023-10-10

Applicant: TSUBAKIMOTO CHAIN CO.

Inventor： Yuichiro Ishikawa

IPC: F16H7/08

CPC classification number: F16H7/08 ,  F16H2007/0806 ,  F16H2007/0812 ,  F16H2007/0891

Abstract: Provided is a tensioner which has a small total number of components and no risk of incorrect assembly, allows easy load change, is easy to assemble, and excellently stabilizes an oil pressure in a pressure oil chamber. The tensioner 100 includes a relief mechanism that relieves oil to the outside of a plunger 110 when the oil pressure in the pressure oil chamber formed between the plunger 110 and a plunger containing hole 121 in a housing 120 increases, relief holes 141 extending through the plunger 120 from the inside of a plunger inner space 111 to an outer circumferential side thereof, and a hole closing member 142 that is pressed into an opening of each of the relief holes 141 on the outer circumferential side.