公开(公告)号：US20230258232A1

公开(公告)日：2023-08-17

申请号：US18014666

申请日：2021-07-05

Applicant: THK CO., LTD.

Inventor： Hiroyoshi Yasutake ,  Ryuji Furusawa ,  Ryunosuke Ozeki ,  Ryosuke Maruki

IPC: F16C29/06

CPC classification number: F16C29/06

Abstract: A guide device includes a track member and a moving member engaged with the track member with a plurality of rolling elements interposed therebetween. A lubricating path is formed in the moving member for supplying lubricant to a circulation path for the rolling elements. The lubricating path has a common path including an inlet portion that serves as a supply port for the lubricant, a first path through which grease flows, and a second path through which lubricating oil flows. A cross-sectional area of the second path is smaller than a cross-sectional area of the first path, and in the common path, a second communication portion of the second path is located closer to the inlet portion than a first communication portion of the first path. Further, the guide device includes a plug member for blocking the inlet portion of the common path, the plug member being removable and able to be moved within the common path.

公开(公告)号：US20230182247A1

公开(公告)日：2023-06-15

申请号：US17925641

申请日：2021-05-24

Applicant: THK CO., LTD.

Inventor： Hiroyuki Kishi ,  Ryuji Furusawa ,  Tomomitsu Hirohashi ,  Ayako Miyajima ,  Hiroyoshi Yasutake ,  Ryunosuke Ozeki ,  Ryosuke Maruki

IPC: B23Q3/00 ,  B23Q11/00 ,  F16C32/06

CPC classification number: B23Q3/005 ,  B23Q11/0032 ,  F16C32/0633 ,  F16C32/064

Abstract: A guide apparatus includes a track member, a movable member having a first rolling surface that forms a load rolling passage together with a rolling surface of the track member, and a damper provided on a first surface. The first surface is at least a portion of the surface of the movable member opposed to the track member excluding the first rolling surface. The damper includes a plate member disposed in such a way as to cover the first area and a reservoir space formed between one surface of the plate member and the first area. The reservoir space contains a damping medium and allows the plate member to displace relative to the first area. The damper is provided on the movable member in such a way that the other surface of the plate member slides on at least a portion of the surface of the track member opposed to the movable member.

公开(公告)号：US10520021B2

公开(公告)日：2019-12-31

申请号：US16340509

申请日：2017-09-08

Applicant: THK CO., LTD.

Inventor： Ryuji Furusawa ,  Atsuhiro Tanaka

IPC: F16C29/06 ,  F16C29/00

Abstract: A motion guide device including a hollow track base that has a rolling element rolling face formed along a longitudinal direction and has a hollow portion formed to be substantially rectangular in section along the longitudinal direction, and a moving member that has a load rolling element rolling face formed in a position facing the rolling element rolling face, the moving member being assembled movably in the longitudinal direction of the track base via a plurality of rolling elements between the rolling element rolling face and the load rolling element rolling face, wherein in the track base, a heat-treated region in which heat treatment is applied to a region including the rolling element rolling face and a non-heat-treated region to which heat treatment is not applied are formed in a section orthogonal to the longitudinal direction, and the heat-treated region is not superimposed on corner portions of the hollow portion.

公开(公告)号：US10371202B2

公开(公告)日：2019-08-06

申请号：US16070430

申请日：2017-01-11

Applicant: THK CO., LTD.

Inventor： Kaoru Hoshide ,  Toshiro Tojo ,  Yoshiyuki Honjo ,  Ryuji Furusawa ,  Ayako Miyajima

IPC: F16C29/06 ,  F16C41/00 ,  F16C33/10

Abstract: Provided is a rolling guide device which is capable of directly recognizing an operation condition of a moving member with respect to a track member or a circulation state of rolling elements in an endless circulation path, the rolling guide device including: a track member having a rolling surface; and a moving member, which is assembled to the track member through intermediation of a large number of rolling elements which roll on the rolling surface, and has an endless circulation path for the rolling elements, the moving member including: a main body member having a load rolling surface and a no-load return path for the rolling elements, the load rolling surface being opposed to the rolling surface of the track member to define a load path for the rolling elements, a pair of covers, which have direction change paths for allowing the rolling elements to move between the load path and the no-load return path, and is mounted to the main body member; and a measurement plate, which is interposed at least between the main body member and one cover to form part of the endless circulation path, and has a mounting portion for a sensor configured to detect an operation condition of the moving member with respect to the track member.

公开(公告)号：US20220196068A1

公开(公告)日：2022-06-23

申请号：US17601652

申请日：2020-03-13

Applicant: THK CO., LTD.

Inventor： Ryuji Furusawa ,  Hiroyuki Kishi ,  Toshikazu Ban ,  Mihoko Miura

IPC: F16C29/06

Abstract: A motion guide apparatus which prevents a retainer from falling-off. A motion guide apparatus includes a track member having a rolling element rolling portion; a movable member having a loaded rolling element rolling portion facing the rolling element rolling portion of the track member; a return path; and a turn-around path connected to a loaded path and the return path; a plurality of rolling elements placed in the loaded path, the return path, and the turn-around path; and a retainer configured to hold at least one of the plurality of rolling elements. Grooves into which an end of the retainer in a width direction thereof enters are formed in the loaded path, the return path, and the turn-around path. A width of the grooves in at least a part of the turn-around path and/or in the return path is greater than a width of the groove in the loaded path.

公开(公告)号：US10968956B2

公开(公告)日：2021-04-06

申请号：US16086370

申请日：2017-03-08

Applicant: THK CO., LTD.

Inventor： Kaoru Hoshide ,  Toshiro Tojo ,  Yoshiyuki Honjo ,  Ryuji Furusawa ,  Ayako Miyajima

IPC: G06F11/30 ,  F16C41/00 ,  F16C29/06 ,  F16C33/66 ,  F16N29/04

Abstract: Provided is a diagnosis method of appropriately recognizing a state of a rolling surface of a track member of a rolling guide device or a lubrication state of rolling elements using a sensor mounted to the rolling guide device. The diagnosis method is applied to a rolling guide device including: a track member having a rolling surface extending along a longitudinal direction of the track member; and a moving member, which is assembled to the track member through intermediation of a plurality of rolling elements configured to roll on the rolling surface so that the moving member is movable along the track member, and has an endless circulation path for the rolling elements. The diagnosis method includes: detecting a moving speed of the moving member relative to the track member while detecting relative vibration displacement of the moving member relative to the track member using a vibration sensor mounted to the moving member; and diagnosing a running state of the moving member relative to the track member based on those detection results.

公开(公告)号：US20170341092A1

公开(公告)日：2017-11-30

申请号：US15533469

申请日：2015-12-15

Applicant: THK CO., LTD.

Inventor： Akimasa Yoshida ,  Ryuji Furusawa ,  Takuya Horie ,  Keisuke Nagaike ,  Shinji Aoki ,  Ayako Miyajima

IPC: B05B1/26 ,  F16C29/04 ,  F16C29/02 ,  F16C37/00 ,  B05B1/00

CPC classification number: B05B1/262 ,  B05B1/005 ,  F16C29/02 ,  F16C29/04 ,  F16C29/0609 ,  F16C29/065 ,  F16C37/007 ,  F16C2322/39

Abstract: A motion guide apparatus cooling nozzle is provided which can gas-cool a motion guide apparatus. Cooling nozzles 1a and 1b of the present invention are mounted on a block 4 of the motion guide apparatus to cool at least one of a guide rail 2 and a block 4 that is assembled to the guide rail 2 via a rolling element 6 in such a manner as to be movable relatively. The cooling nozzles la and 1b include an inner passage 18 into which gas is introduced, an opening 12a configured to emit a gas flow introduced into the inner passage 18, a deflection surface 22a that is provided adjacently to the opening 12a to bend the gas flow emitted from the opening 12a, and a guiding surface 32a configured to attract gas outside the cooling nozzles 1a and 1b.

公开(公告)号：US20170211687A1

公开(公告)日：2017-07-27

申请号：US15324937

申请日：2015-07-07

Applicant: THK CO., LTD.

Inventor： Ryuji Furusawa ,  Shinji Aoki ,  Satoshi Kashiwagura ,  Bin Zhao ,  Ryunosuke Ozeki ,  Marie Horikawa

IPC: F16H57/04 ,  F16H25/22

CPC classification number: F16H57/0497 ,  F16H25/2204 ,  F16H25/24 ,  F16H57/0456

Abstract: Provided is a screw device nozzle that can gas-cool a screw device effectively. A screw device cooling nozzle (4) of the present invention is placed in such a manner as to surround at least one of a screw shaft (1) and a nut (2). The cooling nozzle (4) includes an internal passage (8) into which gas is introduced, an opening (7) for releasing the gas flow introduced into the internal passage (8), a deflection surface (27), provided adjacent to the opening (7), for bending the gas flow released from the opening (7), and a guide path (10) for drawing in gas outside the cooling nozzle (4).

公开(公告)号：US09394940B2

公开(公告)日：2016-07-19

申请号：US14764636

申请日：2014-01-24

Applicant: THK CO., LTD.

Inventor： Toru Takahashi ,  Ryuji Furusawa ,  Tetsuro Kurokawa ,  Keisuke Nagaike

IPC: F16C29/06

CPC classification number: F16C29/0611 ,  F16C29/065 ,  F16C29/0666 ,  F16C29/0673 ,  F16C33/36 ,  F16C33/6622 ,  F16C33/6685

Abstract: The linear guide 10 includes a track rail 20, a movable block 30, and rollers 40 arranged between the track rail 20 and the movable block 30 and capable of endlessly circulating. A section of the linear guide 10 including an axis line of the rollers 40 and taken vertically across an unloaded roller rolling path 50 or a direction change path 60, the unloaded roller rolling path 50 or the direction change path 60 includes attitude support portions 55 that support an attitude of the rollers 40 rolling on the unloaded roller rolling path 50 or the direction change path 60, and space portions 54, 54a, and 54b that release a lubricant present inside the unloaded roller rolling path 50 or the direction change path 60. With such configuration, a smooth guide motion of a motion guide device is achieved unaffected by the lubricant in an unloaded circulation path.

Abstract translation: 线性引导件10包括轨道轨道20，可动块30以及布置在轨道轨道20和可移动块30之间并能够不断循环的辊40。 直线导轨10的一部分，其包括辊40的轴线，并且垂直地横过无负载辊滚动路径50或方向改变路径60，无负载辊滚动路径50或方向改变路径60包括姿态支撑部分55，姿态支撑部分55 支撑在无载辊滚动路径50或方向改变路径60上滚动的辊40的姿态，以及释放存在于无负载辊滚动路径50或方向改变路径60内的润滑剂的空间部分54,54a和54b。 通过这样的结构，运动引导装置的平滑的引导运动在未加载的循环路径中不被润滑剂影响。

公开(公告)号：US20150369282A1

公开(公告)日：2015-12-24

申请号：US14764636

申请日：2014-01-24

Applicant: THK CO., LTD.

Inventor： Toru Takahashi ,  Ryuji Furusawa ,  Tetsuro Kurokawa ,  Keisuke Nagaike

IPC: F16C29/06

CPC classification number: F16C29/0611 ,  F16C29/065 ,  F16C29/0666 ,  F16C29/0673 ,  F16C33/36 ,  F16C33/6622 ,  F16C33/6685

Abstract: The linear guide 10 includes a track rail 20, a movable block 30, and rollers 40 arranged between the track rail 20 and the movable block 30 and capable of endlessly circulating. A section of the linear guide 10 including an axis line of the rollers 40 and taken vertically across an unloaded roller rolling path 50 or a direction change path 60, the unloaded roller rolling path 50 or the direction change path 60 includes attitude support portions 55 that support an attitude of the rollers 40 rolling on the unloaded roller rolling path 50 or the direction change path 60, and space portions 54, 54a, and 54b that release a lubricant present inside the unloaded roller rolling path 50 or the direction change path 60. With such configuration, a smooth guide motion of a motion guide device is achieved unaffected by the lubricant in an unloaded circulation path.

Abstract translation: 线性引导件10包括轨道轨道20，可动块30以及布置在轨道轨道20和可移动块30之间并能够不断循环的辊40。 直线导轨10的一部分，其包括辊40的轴线，并且垂直地横过无负载辊滚动路径50或方向改变路径60，无负载辊滚动路径50或方向改变路径60包括姿态支撑部分55，姿态支撑部分55 支撑在无载辊滚动路径50或方向改变路径60上滚动的辊40的姿态，以及释放存在于无负载辊滚动路径50或方向改变路径60内的润滑剂的空间部分54,54a和54b。 通过这样的结构，运动引导装置的平滑的引导运动在未加载的循环路径中不被润滑剂影响。