公开(公告)号：JP2008008423A

公开(公告)日：2008-01-17

申请号：JP2006180026

申请日：2006-06-29

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： YAMAMOTO TAKASHI

IPC: F16D7/02

Abstract: PROBLEM TO BE SOLVED: To facilitate attachment work of a coil spring with respect to an inner ring, in a friction type torque limiter wherein one end of the inner ring inserted into an outer annular member is rotatably supported in the inside of the outer annular member, a coil spring is attached to an outside diameter surface of the inner ring with the prescribed tightening allowance, the other end of the inner ring is inserted into a lid member fitted to an inside diameter surface of the outer annular member, one end of the coil spring is fitted to the outer annular member, and the other end thereof is fitted to the lid member, and the prescribed torque is generated by fastening force of the coil spring. SOLUTION: A tilt guide surface 21 having an end having a minimum outside diameter D is provided on the one end of the inner ring 2 inserted into the outer annular member 1, and the relationship between the minimum outside diameter D and the coil spring 3 in the natural state is as follows; D COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了方便螺旋弹簧相对于内圈的安装工作，在摩擦式扭矩限制器中，插入外环形构件的内环的一端可旋转地支撑在内圈中 外环形构件，螺旋弹簧以规定的紧固余量附接到内圈的外径表面，内圈的另一端插入装配到外环形构件的内径表面的盖构件中，一个 螺旋弹簧的端部装配到外部环形构件，并且其另一端装配到盖构件，并且通过螺旋弹簧的紧固力产生规定的扭矩。 解决方案：具有最小外径D的端部的倾斜导向表面21设置在插入到外环形构件1中的内圈2的一端上，并且最小外径D和线圈之间的关系 春天3在自然状态如下; Ð

公开(公告)号：JP2007292283A

公开(公告)日：2007-11-08

申请号：JP2006323094

申请日：2006-11-30

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： KATAGIRI TSUTOMU ,  TAKADA SEIICHI ,  HONDA MASAAKI ,  YAMAMOTO TAKASHI

IPC: F16D43/21

Abstract: PROBLEM TO BE SOLVED: To suppress abnormal noise generated by friction between a torque transmitting member composed of an elastic member and an inner ring in a frictional torque limiter having the inner ring formed of a porous material such as a sintered metal which is impregnated with lubricating oil. SOLUTION: In the frictional torque limiter comprising an outer annular member, the inner ring relatively rotatably fitted to the inside thereof, and the torque transmitting member such as a coil spring interposed between the inner ring and the outer annular member and installed with a fastening margin to the inner ring, the friction part with at least torque transmitting member of the inner ring is formed of the porous material, and the surface roughness of the porous material is set to Ry 2 to 4 μm. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了抑制由具有由多孔材料形成的内圈的摩擦转矩限制器中的由弹性构件和内圈构成的扭矩传递构件之间的摩擦产生的异常噪声，所述多孔材料例如是烧结金属， 用润滑油浸渍。 解决方案：在包括外环形构件的摩擦力矩限制器中，内圈相对可旋转地装配到其内部，以及扭矩传递构件，例如设置在内环和外环形构件之间的螺旋弹簧，并且安装有 与内圈的紧固边缘，具有内环的至少扭矩传递构件的摩擦部由多孔材料形成，多孔材料的表面粗糙度设定为Ry 2〜4μm。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2010091006A

公开(公告)日：2010-04-22

申请号：JP2008261873

申请日：2008-10-08

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： YAMAMOTO TAKASHI

IPC: F16D7/02 ,  F16D13/12 ,  F16D41/20

CPC classification number: F16D7/022 ,  F16D43/211

Abstract: PROBLEM TO BE SOLVED: To prevent a cut end portion of a coil spring installed to an inner ring from being a chattering source of a torque limiter in a spring torque limiter adapted to float the cut end portion from the inner ring outer diameter surface to prevent a burr which may be left on the cut end surface from contacting the inner ring outer diameter surface.
SOLUTION: One cut end portion 25 of the coil spring 14 installed to the inner ring 13 is inserted to a recessed portion 27 of an outer ring-side spring receiving projection 23 provided on the inner diameter surface of an outer ring member 11, and the other cut end portion 26 of the coil spring is inserted to a recessed part 28 of a lid-side spring receiving projection 24 provided on the inner surface of a lid member 15, whereby the cut end portions 25 and 26 are constrained respectively by the recessed parts 27 and 28.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了防止安装在内圈上的螺旋弹簧的切割端部成为一个弹簧扭矩限制器中的扭矩限制器的颤动源，该弹簧扭矩限制器将切割端部从内圈外径 表面以防止可能留在切割端表面上的与内圈外径表面接触的毛刺。 解决方案：安装到内环13的螺旋弹簧14的一个切割端部25插入设置在外圈构件11的内径表面上的外圈侧弹簧接收突起23的凹部27中 并且螺旋弹簧的另一个切割端部26插入到设置在盖构件15的内表面上的盖侧弹簧接收突起24的凹部28中，从而分别限制切割端部25和26 通过凹进部分27和28。版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010032022A

公开(公告)日：2010-02-12

申请号：JP2008197415

申请日：2008-07-31

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： YAMAMOTO TAKASHI

IPC: F16D7/02

Abstract: PROBLEM TO BE SOLVED: To provide a spring-loaded torque limiter using a resin housing which can implement torque stabilizing and limiting functions by preventing oxidation of an inner ring and a coil spring of iron metals.
SOLUTION: The torque limiter includes an outer annular member 1, the inner ring 2 inserted therein and relatively rotatably supported in a boss part at one end, the coil spring 4 fitted on a radially outer surface of the inner ring 2 with a predetermined interference, and a lid member 3 fixedly fitted in a radially inner surface of the outer annular member 1 at the other end to close the gap against the radially outer surface of the inner ring, and engages one end of the coil spring 4 with the outer annular member 1 and the other end with the lid member 3, so that a radial expansion of the coil spring 4 by a relative rotation between the inner ring 2 and the outer annular member 1 generates predetermined torque. In the torque limiter, the outer annular member 1 is formed of a synthetic resin, such as a stabilized polyacetal resin, having an organic acid yield per kilogram of not more than 2.5 mg in an environment of 40°C, 95% relative humidity and 48 hours.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种使用树脂壳体的弹簧加载的扭矩限制器，其可以通过防止铁金属的内圈和螺旋弹簧的氧化来实现扭矩稳定和限制功能。 解决方案：扭矩限制器包括外环形构件1，内环2插入其中并相对可旋转地支撑在一端的凸台部分中，螺旋弹簧4装配在内环2的径向外表面上， 预定的干涉，以及固定地配合在外环形构件1的径向内表面的另一端的盖构件3，以将间隙紧靠在内圈的径向外表面上，并将螺旋弹簧4的一端与 外环形构件1，另一端具有盖构件3，使得螺旋弹簧4通过内环2和外环形构件1之间的相对旋转的径向膨胀产生预定的扭矩。 在扭矩限制器中，外环形构件1由诸如稳定化的聚缩醛树脂的合成树脂形成，在40℃，95％相对湿度的环境中，每千克有机酸产率不大于2.5mg， 48小时。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009227896A

公开(公告)日：2009-10-08

申请号：JP2008077600

申请日：2008-03-25

Applicant: Nippon Steel Chem Co Ltd ,  Ntn Corp ,  Ntn株式会社 ,  新日鐵化学株式会社

Inventor： HONDA MASAAKI ,  YAMAMOTO TAKASHI ,  NAGANO KATSUMI

IPC: C10M107/02 ,  C10N20/02 ,  C10N30/00 ,  C10N30/06 ,  C10N40/02 ,  F16D7/02 ,  F16D43/21

CPC classification number: F16D7/022 ,  C10M107/10 ,  C10M2205/0285 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2240/06 ,  C10M2205/0225

Abstract: PROBLEM TO BE SOLVED: To prevent occurrence of stick-slip between a torque transmission member and the frictional surface of an inner member, and to reduce the initial drop level of transmitted torque.
SOLUTION: A lubricating oil for torque limiter, which is to be fed onto the outer diameter surface of a cylindrical inner member as an input member 2 tightened with coil springs 4, is provided. This lubricating oil, whose base oil consists of a poly-α-olefin oil, has a kinematic viscosity of 200-500 mm
2 /s at 40°C. By using this lubricating oil, occurrence of stick-slip between the outer diameter surface as the frictional surface of an inner member and coil springs 4 as a torque transmission member is prevented, and the initial drop level of transmitted torque is reduced.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了防止扭矩传递部件与内部部件的摩擦面之间的滑动发生，并且减小传递转矩的初始下降水平。 解决方案：提供用于扭矩限制器的润滑油，该润滑油被供给到作为用螺旋弹簧4拧紧的输入构件2的圆筒形内部构件的外径表面上。 该基础油由聚-α-烯烃油组成的润滑油在40℃下的运动粘度为200-500mm 2 / s。 通过使用该润滑油，防止作为内部构件的摩擦面的外径面和作为扭矩传递构件的螺旋弹簧4之间发生粘滑，并且传递转矩的初始下降水平降低。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2008121825A

公开(公告)日：2008-05-29

申请号：JP2006308105

申请日：2006-11-14

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： YAMAMOTO TAKASHI

IPC: F16D7/02

Abstract: PROBLEM TO BE SOLVED: To avoid contamination by deposition of a lubricant oozed out to the outside on paper or the like in a friction type torque limiter for generating predetermined torque by tight-binding force of a coil spring.
SOLUTION: The friction type torque limiter rotatably supports one end of an inner ring 2 inserted to an outer ring member 1 inside an outer ring member. The coil spring is attached to an outer diameter surface with a predetermined fastening margin, and the other end of the inner ring is penetrated through a lid member 4 fitted to an inner diameter surface of the outer ring member. One end of the coil spring is engaged with the outer ring member and the other end is engaged with the lid member. The predetermined torque is generated by the tight-binding force of the coil spring 3. In this case, the inside of the torque limiter is lubricated without using the lubrication oil or the lubricant by forming a solid lubrication coating film 17 on the outer diameter surface of the inner ring 2.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了避免在用于通过螺旋弹簧的紧密结合力产生预定扭矩的摩擦式扭矩限制器中在纸张等上渗出到外部的润滑剂沉积污染。 解决方案：摩擦式扭矩限制器可旋转地支撑插入外圈构件1内的内环2的一端。 螺旋弹簧以预定的紧固边缘附接到外径表面，并且内圈的另一端穿过安装到外圈构件的内径表面的盖构件4。 螺旋弹簧的一端与外圈构件接合，另一端与盖构件接合。 通过螺旋弹簧3的紧固力产生预定的扭矩。在这种情况下，通过在外径面上形成固体润滑涂膜17而不使用润滑油或润滑剂来润滑扭矩限制器的内部 的内环2.版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008008421A

公开(公告)日：2008-01-17

申请号：JP2006179982

申请日：2006-06-29

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： YAMAMOTO TAKASHI

IPC: F16D7/02

Abstract: PROBLEM TO BE SOLVED: To avoid the inconvenience in which lubricating oil seeping from an inner ring seeps to a peripheral apparatus such as a paper separating roller in a friction type torque limiter wherein one end of the inner ring inserted into an outer annular member is rotatably supported in the inside of the outer annular member, the inner ring is formed by oil-impregnated sintered metal, a coil spring is attached to its outside diameter surface with the prescribed tightening allowance, the other end of the inner ring is inserted into a lid member fitted to an inside diameter surface of the outer annular member, one end of the coil spring is fitted to the outer annular member, and the other end thereof is fitted to the lid member, and the prescribed torque is generated by fastening force of the coil spring. SOLUTION: An absorbing member 15 comprising a fiber material such as felt is attached to an outer surface of the lid member 4 into which the inner ring 2 is inserted, and the lubricating oil seeping from the inner ring 2 is absorbed by the absorbing member 15. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了避免在内摩擦润滑油渗入摩擦式扭矩限制器中的诸如纸分离辊等周边装置的不便之处，其中内环的一端插入外环 构件可旋转地支撑在外环形构件的内部，内环由浸油烧结金属形成，螺旋弹簧以规定的紧固余量附接到其外径表面，内圈的另一端插入 进入安装在外环形构件的内径面的盖构件中，螺旋弹簧的一端嵌合在外环状构件上，另一端装配在盖构件上，通过紧固产生规定的扭矩 螺旋弹簧的力。 解决方案：将包含毛毡的纤维材料的吸收构件15安装在内圈2插入的盖构件4的外表面上，并且从内圈2渗出的润滑油被吸收 吸收构件15.版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006170427A

公开(公告)日：2006-06-29

申请号：JP2005036352

申请日：2005-02-14

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： HONDA MASAAKI ,  YAMAMOTO TAKASHI

IPC: F16D7/02

Abstract: PROBLEM TO BE SOLVED: To provide a spring type torque limiter capable of preventing both end parts of a coil spring from interfering with an inner ring to improve durability.
SOLUTION: This torque limiter is provided with circular arc relief parts 33, 34 having larger radius of curvature than that in the other coil part in a free condition in both end parts of the coil spring 4 mounted on an outside diameter face of the inner ring 2. Size of its radius of curvature is set to such size that becomes substantially equal to radius of curvature of the coil part while diameter of the coil spring 4 is enlarged and the coil spring 4 is mounted on the inner ring 2 with predetermined tightening allowance to avoid butting of both end parts of the coil spring 4 on the inner ring 2.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种能够防止螺旋弹簧的两端部与内圈干涉以提高耐久性的弹簧式扭矩限制器。 解决方案：该扭矩限制器在安装在外径表面上的螺旋弹簧4的两个端部中设置有圆弧弧形释放部分33,34，该弧形弧形弧形部分33,34具有比在另一个线圈部分中更大的曲率半径的曲率半径 内圈2.将其曲率半径的尺寸设定为大致等于线圈部的曲率半径，螺旋弹簧4的直径扩大，螺旋弹簧4安装在内圈2上， 规定的紧固余量以避免螺旋弹簧4的两端部在内圈2上的对接。版权所有：（C）2006，JPO＆NCIPI

公开(公告)号：JP2011001984A

公开(公告)日：2011-01-06

申请号：JP2009144053

申请日：2009-06-17

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： YAMAMOTO TAKASHI

IPC: F16D7/02 ,  F16D13/08 ,  F16D43/20

Abstract: PROBLEM TO BE SOLVED: To provide a torque limiter capable of reducing the man-hour by allowing an inner ring or the like to be easily disassembled, and reducing the material cost and the manufacturing cost of components by reusing the disassembled inner ring or the like, and a method for reusing the same.SOLUTION: In the torque limiter 1 having an inner ring 2, an outer ring 3, a lid member 5, and a coil spring 4, an expansion part 11 to be expanded via a stepped face 2a directed in the axial direction is provided on an end of an inside diameter surface of the inner ring 2. The stepped face 2a forms an abutting face of a tool 12 which moves the inner ring 2 with respect to the outer ring 3 in the axial direction, and detaches it. An engaging means 6 is provided for transmitting the axial movement of the inner ring 2 when it is detached to the lid member 5.

Abstract translation: 要解决的问题：提供一种能够通过容易地拆卸内圈等来减少工时的扭矩限制器，并且通过重新使用拆卸的内圈等来降低部件的材料成本和制造成本 以及其再利用方法。解决方案：在具有内圈2，外圈3，盖构件5和螺旋弹簧4的扭矩限制器1中，通过台阶面2a膨胀的膨胀部11 在内圈2的内径面的端部设置有轴向的方向。台阶面2a形成工具12的抵接面，该工具12使内圈2相对于外圈3沿轴向移动 ，并分离。 内圈2当被拆卸到盖构件5时的轴向运动被设置用于传递啮合装置6。

公开(公告)号：JP2010038290A

公开(公告)日：2010-02-18

申请号：JP2008203102

申请日：2008-08-06

Applicant: Ntn Corp ,  Ntn株式会社

Inventor： YAMAMOTO TAKASHI ,  TAKADA SEIICHI

IPC: F16C41/00

CPC classification number: F16C41/008 ,  F16C19/06 ,  F16C19/52 ,  F16C2237/00 ,  F16C2324/16 ,  Y10T29/49718

Abstract: PROBLEM TO BE SOLVED: To provide a reusable bearing that can be easily reused without causing the problem of decreased performance, and a method of reuse thereof. SOLUTION: The reusable bearing 1 is a bearing that is used in office equipment at below its fatigue limit load and recovered, and then is reused in office equipment at below the fatigue limit load. The reusable bearing 1 is marked with an identification number mark 7, and usage conditions are managed with a computer. The office equipment is, for example, a copying machine or printer, and the bearing is employed in the support bearing for roller shafts in the paper feed mechanisms, developer, or photoconductor mechanism thereof. The bearing 1 is, for example, a grease-packed rolling bearing. In that case, the grease is repacked after recovery and before reuse. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供可以容易地重复使用而不会导致性能下降的问题的可重复使用的轴承及其重复使用的方法。

解决方案：可重复使用的轴承1是用于办公设备低于疲劳极限载荷并回收的轴承，然后在低于疲劳极限载荷的情况下重新用于办公设备。 可重复使用的轴承1被标记有识别号码标记7，并且用计算机管理使用条件。 办公设备例如是复印机或打印机，轴承用于供纸机构，显影剂或光电导体机构中的辊轴支撑轴承。 轴承1例如是润滑脂滚动轴承。 在这种情况下，润滑脂在回收后再使用前重新包装。 版权所有（C）2010，JPO＆INPIT