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公开(公告)号：US20230140002A1
公开(公告)日：2023-05-04
申请号：US17977235
申请日：2022-10-31
Applicant: TSUBAKIMOTO CHAIN CO.
Inventor： Yuto Hanawa
IPC: F16D23/12
Abstract: The present invention aims at providing a cam clutch that realizes a reduction in production cost, improves productivity and assemblability, and increases the degree of design freedom. The cam clutch includes: an inner race and an outer race that are coaxial and rotatable relative to each other; a plurality of cams circumferentially arranged between the inner race and the outer race; and positioning members that keep each two adjacent cams at fixed positions relative to each other. The positioning members are configured to link each two adjacent cams such as to be tiltable independently of each other.
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公开(公告)号：US11619298B2
公开(公告)日：2023-04-04
申请号：US17136298
申请日：2020-12-29
Applicant: TSUBAKIMOTO CHAIN CO.
Inventor： Koichi Shimosaka
Abstract: An object of the present invention is to provide a chain guide that can improve functional properties of a chain drive system. The chain guide of the present invention is attached to an engine block by a mounting bolt and slidably guides a running chain. The chain guide includes a mounting part provided with a shaft hole through which a mounting bolt is passed, and an oil jet passage for injecting lubricating oil, supplied to the shaft hole at a predetermined pressure, toward the chain.
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公开(公告)号：US11555533B2
公开(公告)日：2023-01-17
申请号：US17321631
申请日：2021-05-17
Applicant: TSUBAKIMOTO CHAIN CO.
Inventor： Masakazu Kanosue , Masanori Watanabe
Abstract: To provide a chain guide that can improve transportability and assembly operation efficiency, while also ensuring stable running of a timing chain and enhancing durability, with a simple structure. The chain guide has a guide shoe that slidably guides a chain, and a chain guide body that supports the guide shoe. A compression limiter having an attachment hole through which a mounting bolt for attaching the chain guide to an attachment target member passes is fitted in a fixing through hole extending through the chain guide body in a width direction thereof. A compression limiter holding mechanism is provided either to the compression limiter or to a hole rim part including the fixing through hole of the chain guide body in order to hold the compression limiter.
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公开(公告)号：US20230003754A1
公开(公告)日：2023-01-05
申请号：US17943923
申请日：2022-09-13
Applicant: TSUBAKIMOTO CHAIN CO.
Inventor： Masahiro Asukai
Abstract: To provide a simple-structured low-temperature storage system capable of carrying storage objects to a full capacity on a tray and of reliably transferring storage objects without the necessity for a camera to check the positions of a rack or storage objects. The low-temperature storage system includes a storage area inside a low-temperature storage chamber for storing storage objects, and a picking area where a positioning device is disposed to allow storage objects to be carried in and out. The positioning device includes a rack fixing unit that fixes a rack, a tray fixing unit, and a drive mechanism. The rack fixing unit includes a rack pressing member that presses the rack, and a rack motion restricting member that restricts movements of the rack. The tray fixing unit includes a tray pressing member that presses the tray, and a tray motion restricting member that restricts movements of the tray.
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公开(公告)号：US20230002115A1
公开(公告)日：2023-01-05
申请号：US17894937
申请日：2022-08-24
Applicant: TSUBAKIMOTO CHAIN CO.
Inventor： Masahiro ASUKAI
Abstract: The present invention aims at providing a low-temperature storage container that is highly insulated and can therefore reduce the amount of cooling medium consumption. The low-temperature storage container of the present invention includes a cylindrical container body having an opening and a storage compartment, and a plurality of holding shelves provided in the storage compartment, on which storage trays for holding storage objects are placed. The storage compartment includes a plurality of holding zones arranged in a circumferential direction of the container body, where the storage trays are held, and at least one passage zone where the storage trays pass. The holding shelves are configured as parts of a plurality of rack units that are sections arranged in a circumferential direction of the container body.
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Patent Agency Ranking
公开(公告)号：US11326669B2
公开(公告)日：2022-05-10
申请号：US16599553
申请日：2019-10-11
Applicant: TSUBAKIMOTO CHAIN CO.
Inventor： Masahiko Konno , Koichi Shimosaka
Abstract: An object of the present invention is to provide a chain tensioner that can prevent breakage or deformation of its components during transport or storage, prevent wrong assembly, and increase the degree of design freedom. The chain tensioner includes a guide lever supported pivotably on an arm part that is provided to a tensioner body. The tensioner body has a body-side fixing pin hole positioned for a stopper pin to pass through without extending through the plunger. The guide lever has a lever-side fixing pin hole that comes to be coaxial with the body-side fixing pin hole in a predetermined pivoting position.
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公开(公告)号：US11309824B2
公开(公告)日：2022-04-19
申请号：US16981371
申请日：2019-01-30
Applicant: TSUBAKIMOTO CHAIN CO.
Inventor： Yoshiaki Yokoi , Haruki Teramukai
IPC: H02P29/024
Abstract: A gear motor (motor device) comprising a three-phase motor and a terminal box housing a power supply connection terminal for connecting the three phase motor to an alternating current power supply, comprises: a power detection circuit that detects power to be supplied to the three-phase motor; a control unit that executes predetermined control if a load abnormality related to the three-phase motor or a driven device is detected based on power detected by the power detection circuit. The power detection circuit and the control unit are housed in the terminal box.
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公开(公告)号：US20220056965A1
公开(公告)日：2022-02-24
申请号：US17520434
申请日：2021-11-05
Applicant: TSUBAKIMOTO CHAIN CO.
Inventor： Kohei Kunimatsu , Eiichi Nakagawa
Abstract: An object of the present invention is to provide a cam clutch capable of switching from one operating mode to another and offering improved stability of clutch operations and high responsiveness. The object is achieved by an operating mode switching means (180) having a cam attitude change part (185) being drivable independently of rotation of the inner race (110) and outer race (120). A load support point (Sp) is located radially between a load application point (Ap) of the cam attitude change part (185) on the cam (140) and a distal contact point (Ep) of the cam (140) on a raceway positioned on a radially distal side relative to the load application point (Ap). The radial distance (d1) between the load application point (Ap) and the load support point (Sp) is larger than the radial distance (d2) between the load support point (Sp) and the distal contact point (Ep).
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公开(公告)号：US11208269B2
公开(公告)日：2021-12-28
申请号：US16643157
申请日：2018-08-31
Applicant: Tsubakimoto Chain Co.
Inventor： Tomohiko Onishi , Hirokazu Sano
Abstract: Provided are an abnormality detection system, an abnormality detection device, an abnormality detection method, a computer program, and a chain that enable detecting of an abnormality not only in a chain but also in equipment using the chain while distinguishing the location at which the abnormality occurs. The abnormality detecting system comprises a sensor unit comprising a sensor, to be fixed to a chain that is to be attached to equipment, and transmitting an output from the sensor, a detection section which detects an abnormality of the chain or the equipment based on the output, and a determining section which determines a location of the abnormality in the equipment, based on a position of a part fixed with the sensor unit in the equipment, the position changes in each time point with moving of the chain.
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公开(公告)号：US20210364066A1
公开(公告)日：2021-11-25
申请号：US17321631
申请日：2021-05-17
Applicant: TSUBAKIMOTO CHAIN CO.
Inventor： Masakazu Kanosue , Masanori Watanabe
Abstract: To provide a chain guide that can improve transportability and assembly operation efficiency, while also ensuring stable running of a timing chain and enhancing durability, with a simple structure. The chain guide has a guide shoe that slidably guides a chain, and a chain guide body that supports the guide shoe. A compression limiter having an attachment hole through which a mounting bolt for attaching the chain guide to an attachment target member passes is fitted in a fixing through hole extending through the chain guide body in a width direction thereof. A compression limiter holding mechanism is provided either to the compression limiter or to a hole rim part including the fixing through hole of the chain guide body in order to hold the compression limiter.
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