CN104937299A - Torque limiter and torque limiter unit - Google Patents

Torque limiter and torque limiter unit Download PDF

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Publication number
CN104937299A
CN104937299A CN201380071028.8A CN201380071028A CN104937299A CN 104937299 A CN104937299 A CN 104937299A CN 201380071028 A CN201380071028 A CN 201380071028A CN 104937299 A CN104937299 A CN 104937299A
Authority
CN
China
Prior art keywords
inner ring
torque limiter
helical spring
ring component
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201380071028.8A
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Chinese (zh)
Inventor
矶部太郎
渡边俊一
森本勇
井内晴日
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OLISEN ELECTRICAL CO Ltd
Original Assignee
OLISEN ELECTRICAL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2013008073A external-priority patent/JP5508556B2/en
Application filed by OLISEN ELECTRICAL CO Ltd filed Critical OLISEN ELECTRICAL CO Ltd
Publication of CN104937299A publication Critical patent/CN104937299A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D7/00Slip couplings, e.g. slipping on overload, for absorbing shock
    • F16D7/02Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
    • F16D7/022Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with a helical band or equivalent member co-operating with a cylindrical torque limiting coupling surface

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)

Abstract

The present invention is a torque limiter: which is capable of reducing frictional wear of an inner ring member; with which the number of parts can be decreased; and which is designed to reduce cost. The present invention also provides a torque limiter unit. The torque limiter is configured so that: a coil spring (13), which is press-fitted on the outer circumference of an inner ring member (12) via a lubricant, is formed from resin; one end of the coil spring (13) is held by a housing (14); and when the torque between the inner ring member (12) and the housing (14) is at or below a prescribed value, the coil spring (13) transmits torque between the inner ring member (12) and the housing (14) without slipping and when the torque between the inner ring member (12) and the housing (14) exceeds the prescribed value, the coil spring (13) slips to block transmission of torque between the inner ring member (12) and the housing (14).

Description

Torque limiter and torque limiter unit
Technical field
The present invention relates to a kind of transmit below specified value moment of torsion and the torque limiter cut off the transmission of the moment of torsion exceeding specified value and torque limiter unit.
Background technique
Usually, torque limiter has the parts of the transmission cutting off this excessive torque during the excessive torque exceeding specified value in effect, and it is widely used in the mechanism etc. of the printer of such as OA equipment etc., the paper feeding of duplicating machine, conveying, output.
For torque limiter, exist and utilize mechanical friction to obtain the contact-type torque limiter of rotation torque, contact-type torque limiter generally includes these 3 parts of inner ring component, helical spring and housing.Helical spring be configured at the periphery of inner ring component in an interference fit and helical spring is fixed on housing, utilizing the mechanical friction between inner ring component and helical spring to obtain the rotation torque of specified value.
As such contact-type torque limiter, have contact-type torque limiter as follows (such as, with reference to patent documentation 1): be accommodated with inner ring component in the inner side of cycle component in the mode that inner ring component is rotatable, around inner ring component, be configured with helical spring in an interference fit, and the hook arranged in this helical spring end is sticked in and is fixed on the lid of cycle component.
prior art document
patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 5-26254 publication
Summary of the invention
the problem that invention will solve
But contact-type torque limiter utilizes the friction slip between inner ring component and helical spring to obtain the structure of rotation torque, usually, inner ring member of resin is formed, and helical spring is formed by metal, and therefore inner ring component weares and teares because of friction slip.Therefore, in order to reduce the wearing and tearing of inner ring component, inner ring component is used to PPS (Polyphenylenesulfide) material of the costliness containing a large amount of carbon fiber.Cost is higher thus.In addition, contact-type torque limiter comprises these 3 parts of inner ring component, helical spring and housing, and therefore cost is higher.
The object of the present invention is to provide a kind of can alleviate inner ring component wearing and tearing and cut down parts count and the torque limiter that reduces costs and torque limiter unit can be sought.
for the scheme of dealing with problems
The feature of the torque limiter of technological scheme 1 is, this torque limiter comprises: helical spring, and it is formed by resin, and is configured at the periphery of inner ring component in an interference fit across oiling agent; And housing, it can keep described helical spring one end, when moment of torsion between described inner ring component and described housing is below specified value, there is not slippage in described helical spring, and between described inner ring component and described housing, carry out moment of torsion transmission, when moment of torsion between described inner ring component and described housing exceedes specified value, described helical spring generation slippage, thus cut off the moment of torsion transmission between described inner ring component and described housing.
On the basis of technological scheme 1, the feature of the torque limiter of technological scheme 2 is, this torque limiter is provided with dispersing of described oiling agent and prevents component.
On the basis of technological scheme 2, the feature of the torque limiter of technological scheme 3 is, described dispersing prevents component from being lip part, and this lip part is located at the end of described inner ring component, and this end is in the side contrary with side residing for the described housing kept described helical spring one end.
On the basis of technological scheme 2, the feature of the torque limiter of technological scheme 4 is, described dispersing prevents component from being covering part, this covering part extends to described case side from the end of described inner ring component, and around described helical spring, the described end of described inner ring component is in the side contrary with side residing for the described housing kept described helical spring one end.
On the basis of technological scheme 2, the feature of the torque limiter of technological scheme 5 is, described dispersing prevents component from being covering part, and this covering part extends to described inner ring member side the described housing that described helical spring one end keeps certainly, and around described helical spring.
On the basis of technological scheme 1 ~ 5, the feature of the torque limiter of technological scheme 6 is, the position contacted with described helical spring of the outer circumferential face of described inner ring component has multiple protuberance.
On the basis of technological scheme 1 ~ 6, the feature of the torque limiter of technological scheme 7 is, described helical spring is that mould can by the shape to both direction drawing.
The feature of the torque limiter unit of technological scheme 8 is, this torque limiter unit comprises: the torque limiter in described technological scheme 1 ~ 7 described in any one; And axle, it is linked to described inner ring component, and described axle is arranged in the mode of the described inner ring component running through described torque limiter.
On the basis of technological scheme 8, the feature of the torque limiter unit of technological scheme 9 is, is provided with rotating roller component at the described housing of described torque limiter.
the effect of invention
Adopt technological scheme 1, use the helical spring formed by resin, therefore, it is possible to make helical spring and housing structure be integrally formed, thus can parts count be cut down.Further, the wearing and tearing between inner ring component and helical spring can also be alleviated.Thus, realize reducing costs.
Adopt technological scheme 2 ~ technological scheme 5, can prevent the oiling agent between inner ring component and helical spring from dispersing.
Adopt technological scheme 6, the position contacted with helical spring of the outer circumferential face of inner ring component has multiple protuberance, and therefore, the area of contact between the outer circumferential face of helical spring and inner ring component reduces, and can reduce the difference of kinetic friction moment of torsion and static friction moment of torsion.Further, the confining force to oiling agent can be improved.
Adopt technological scheme 7, helical spring is that mould by the shape to both direction drawing, therefore, it is possible to reduce helical spring die size, can make helical spring at low cost.
Adopt technological scheme 8 and technological scheme 9, a kind of torque limiter unit of effect of the scheme 1 ~ technological scheme 7 that possesses skills can be provided.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the embodiment 1 of the torque limiter of embodiments of the present invention.
Fig. 2 is the structural drawing of the embodiment 2 of the torque limiter of embodiments of the present invention.
Fig. 3 is the structural drawing of the embodiment 3 of the torque limiter of embodiments of the present invention.
Fig. 4 is the structural drawing of the embodiment 4 of the torque limiter of embodiments of the present invention.
Fig. 5 is the side view of an example of the outer circumferential face of the inner ring component representing embodiments of the present invention.
Fig. 6 is the stereogram of an example of the protuberance outer circumferential face shape of the inner ring component representing embodiments of the present invention.
Fig. 7 utilizes forming machine to carry out the explanatory drawing of shaping situation to the helical spring of embodiments of the present invention.
Fig. 8 is the structural drawing of an example of the torque limiter unit of embodiments of the present invention.
Fig. 9 is the structural drawing of another example of the torque limiter unit of embodiments of the present invention.
Figure 10 utilizes forming machine to carry out the explanatory drawing of shaping situation to helical spring in the past.
Embodiment
Below, embodiments of the present invention are described.Fig. 1 is the structural drawing of the embodiment 1 of the torque limiter of embodiments of the present invention.The torque limiter 11 of embodiments of the present invention comprises: inner ring component 12, and this inner ring component 12 can be installed for axle; Helical spring 13, it is configured at the periphery of inner ring component 12 in an interference fit; And housing 14, it can keep one end of helical spring 13.Inner ring component 12 utilizes resin to be formed as cylindric, and inner ring component 12 configures in the mode running through housing 14.By axle is inserted inner ring component 12, and make axle and inner ring component 12 interconnected.
In embodiments of the present invention, helical spring 13 is not formed by metal but formed by resin, and helical spring 13 is configured at the periphery of inner ring component 12 in an interference fit.Further, housing 14 is fixed in one end of this helical spring 13.Housing 14 is formed by resin.
Like this, in embodiments of the present invention, helical spring 13 is formed by resin, and resin therefore can also be utilized to be integrally formed helical spring 13 and housing 14.If helical spring 13 and housing 14 are integrally formed, then torque limiter 11 comprises the inner ring component 12 can installed for axle and these two parts of housing 14 with helical spring 13, thus realizes the reduction of parts count.
Oiling agent is coated with, to alleviate the wearing and tearing between inner ring component 12 and helical spring 13 in the periphery of inner ring component 12.This is because, because torque limiter 11 utilizes the mechanical friction between inner ring component 12 and helical spring 13 to obtain the rotation torque of specified value, if therefore at the periphery application of lubricating of inner ring component 12, the wearing and tearing produced because of friction between inner ring component 12 and helical spring 13 can be alleviated.
For this torque limiter 11, when the moment of torsion between inner ring component 12 and housing 14 is below specified value there is not slippage in helical spring 13, between inner ring component 12 and housing 14, carry out moment of torsion transmission.On the other hand, when the moment of torsion between inner ring component 12 and housing 14 exceedes specified value, there is slippage and cut off the moment of torsion transmission between inner ring component 12 and housing 14 in helical spring 13.
Now, because inner ring component 12 and helical spring 13 are formed by resin, therefore, it is possible to alleviate the wearing and tearing produced because of friction between inner ring component 12 and helical spring 13.Thus, do not need as the situation of metal helical spring 13 in the past, use the PPS material of the costliness containing a large amount of carbon fiber as inner ring component 12, therefore, it is possible to realize reducing costs.
Fig. 2 is the structural drawing of the embodiment 2 of the torque limiter of embodiments of the present invention.This embodiment 2 sets up lip part 15 and prevents component from obtaining as dispersing of oiling agent on the basis of the embodiment 1 shown in Fig. 1 in the end of inner ring component 12.To the same reference character of the element annotation identical with Fig. 1, also the repetitive description thereof will be omitted.
Dispersing of oiling agent prevents component, i.e. lip part 15, is located at the end of inner ring component 12, and this end is in the side contrary with side residing for the housing 14 kept one end of helical spring 13.This lip part 15 also can be integrally formed with inner ring component 12.Utilize this lip part 15, can effectively prevent oiling agent from dispersing along the axial direction of inner ring component 12.
Fig. 3 is the structural drawing of the embodiment 3 of the torque limiter of embodiments of the present invention.This embodiment 3 sets up covering part 16 and prevents component from obtaining as dispersing of oiling agent on the basis of the embodiment 1 shown in Fig. 1 in the end of inner ring component 12, this covering part 16 is around helical spring 13.To the same reference character of the element annotation identical with Fig. 1, also the repetitive description thereof will be omitted.
Dispersing of oiling agent prevents component, i.e. covering part 16, extends to housing 14 side from the end being in the side contrary with side residing for the housing 14 kept one end of helical spring 13 of inner ring component 12, and around helical spring 13.This covering part 16 also can be integrally formed with inner ring component 12.Utilize this covering part 16, can effectively prevent oiling agent from dispersing along the axial direction of inner ring component 12 and radial direction along inner ring component 12 is dispersed.
Fig. 4 is the structural drawing of the embodiment 4 of the torque limiter of embodiments of the present invention.This embodiment 4 sets up covering part 17 at housing 14 and prevents component from obtaining as dispersing of oiling agent on the basis of the embodiment 1 shown in Fig. 1, and this covering part 17 is around helical spring 13.To the same reference character of the element annotation identical with Fig. 1, also the repetitive description thereof will be omitted.
Dispersing of oiling agent prevents component, i.e. covering part 17 from extending to inner ring component 12 side from the housing 14 kept one end of helical spring 13, and around helical spring 13.This covering part 17 also can be integrally formed with housing 14.In addition, when helical spring 13 is integrally formed with housing 14, is difficult to covering part 17 and housing 14 to be integrally formed, therefore, covering part 17 and housing 14 is formed respectively, then installs.Utilize this covering part 17, can effectively prevent oiling agent from dispersing along the axial direction of inner ring component 12 and radial direction along inner ring component 12 is dispersed.
As described, be configured with helical spring 13 in the periphery of inner ring component 12 in an interference fit across oiling agent, but also multiple protuberance 18 can be set in the part contacted with helical spring 13 of the outer circumferential face of inner ring component 12.
Fig. 5 represents the side view being formed with an example of protuberance 18 at the outer circumferential face of the inner ring component 12 of embodiments of the present invention.As shown in Figure 5, multiple protuberance 18 is provided with in the part contacted with helical spring 13 of the outer circumferential face of inner ring component 12.When helical spring 13 is located at this protuberance 18, the area of contact between the inner side surface of helical spring 13 and the outer circumferential face of inner ring component 12 reduces.
Thereby, it is possible to be reduced by the kinetic friction moment of torsion of the rotation torque that the mechanical friction between inner ring component 12 and helical spring 13 obtains and the difference of static friction moment of torsion.Further, oiling agent can stay the recess place formed because of protuberance 18, therefore, it is possible to improve the confining force to oiling agent.
Fig. 6 is the stereogram of an example of the protuberance outer circumferential face shape of the inner ring component 12 representing embodiments of the present invention, the top that Fig. 6 (a) shows protuberance 18a is smooth and with the shape (outer circumferential face shape 1) that helical spring face contacts on the direction orthogonal with helical spring, Fig. 6 (b) shows the shape (outer circumferential face shape 2) had with the protuberance 18b of helical spring linear contact lay on the direction identical with helical spring, Fig. 6 (c) shows to be had and the shape of the protuberance 18c of helical spring point cantact (outer circumferential face shape 3), Fig. 6 (d) shows the shape (outer circumferential face shape 4) had with the protuberance 18d of helical spring linear contact lay on the direction orthogonal with helical spring.
The evaluation of moment of torsion disappearance rate (Japanese: ト ル ク order け) [%] is carried out for these outer circumferential face shapes 1,2,3,4.Moment of torsion disappearance rate [%] is the constant and ratio that rotation torque significantly reduces of the rotating amount of inner ring component 12, if moment of torsion disappearance rate [%] is less, then evaluates better.If the difference of kinetic friction moment of torsion and static friction moment of torsion is less, then moment of torsion disappearance rate [%] is less.The evaluation result of outer circumferential face shape 1,2,3,4 is, the order of outer circumferential face shape 1, outer circumferential face shape 2, outer circumferential face shape 3, outer circumferential face shape 4.
In addition, when carrying out durability evaluation, obtain the result that outer circumferential face shape 1 is best.Thus, be located at the protuberance 18 of the part contacted with helical spring 13 of the outer circumferential face of inner ring component 12, to be preferably the top of the protuberance 18a shown in Fig. 6 (a) be smooth and with the shape (outer circumferential face shape 1) that helical spring face contacts on the direction orthogonal with helical spring.
Then, the helical spring 13 of embodiments of the present invention is described.In embodiments of the present invention, helical spring 13 is formed by resin, therefore by carrying out shaping to mould resin by injection.Helical spring 13 has the spire spiraled in the shape of a spiral, therefore, for such spring shape, has to shaping by making mold-slide carry out, and this mould can by the direction drawing of more than 3.Therefore, if not large-scale forming machine, then cannot be shaping, therefore die cost, production unit cost raise.
Figure 10 utilizes forming machine to carry out the explanatory drawing of shaping situation to helical spring 13 in the past, and Figure 10 (a) is the stereogram of helical spring 13 in the past, and Figure 10 (b) is the sectional view along the X-X line in Figure 10 (a).As shown in Figure 10 (a), when wanting when making mould slide to arrow A 1 direction and this both direction of arrow A 2 direction along the section of X-X line, as shown in Figure 10 (b), because helical spring 13 is the shape of spiraling in the shape of a spiral, therefore when observing from the drawing side of mould, inboard is wider and side is narrower at the moment.Thus, the local, sidewall portion 25 of the peripheral part 24 of helical spring 13 can be stuck on mould, thus cannot mold removal.But in embodiments of the present invention, the shape of helical spring 13 being formed as mould can by the shape to both direction drawing.
Fig. 7 is the explanatory drawing utilizing the helical spring 13 of forming machine to embodiments of the present invention to carry out shaping situation, Fig. 7 (a) is the stereogram of the helical spring 13 of embodiments of the present invention, and Fig. 7 (b) is the sectional view along the X-X line in Fig. 7 (a).As shown in Fig. 7 (a), Fig. 7 (b), the helical spring 13 of embodiments of the present invention has line part and spire (rake), as shown in Fig. 7 (a), obtain the section of the X-X line along the direction orthogonal with the line part of helical spring 13, in this section, helical spring 13 to be formed as when observing from the drawing side of mould that side is at the moment wider and inboard is narrower.Thus, even if make mould slide to arrow A 1 direction and this both direction of arrow A 2 direction, the local, sidewall portion 25 of the peripheral part 24 of helical spring 13 also can not be stuck on mould.
Like this, the helical spring 13 of embodiments of the present invention has line part and spire (rake), and the sectional shape of the peripheral part 24 of helical spring 13 is trapezoidal shape.And, in the section of the part orthogonal with the line part of helical spring 13, helical spring 13 to be formed as when observing from the drawing side of mould that side is at the moment wider and inboard is narrower, and therefore the local, sidewall portion 25 of the peripheral part 24 of helical spring 13 can not be stuck on mould.Thus, the die size of helical spring 13 can be reduced, small-sized forming machine can be utilized to carry out shaping, die cost and production unit cost can be suppressed.
Fig. 8 is the structural drawing of an example of the torque limiter unit of embodiments of the present invention.The torque limiter unit of this example is torque limiter 11 installation shaft 19 shown in Fig. 1.By axle 19 being run through the inner ring component 12 utilizing resin to be formed as cylindric, thus form torque limiter unit.Be sticked in by the axle being located at axle 19 being linked protuberance 20 the axle link recess 21 arranged at inner ring component 12 internal surface, thus axle 19 is linked to inner ring component 12.
Figure 8 illustrates torque limiter 11 installation shaft 19 of the embodiment 1 shown in Fig. 1 and the torque limiter unit obtained, but also can form torque limiter unit by torque limiter 11 installation shaft 19 of this three of embodiment 4 shown in the embodiment 2 shown in Fig. 2, the embodiment 3 shown in Fig. 3 and Fig. 4.
Fig. 9 is the structural drawing of another example of the torque limiter unit of embodiments of the present invention.The torque limiter unit of this another example is set up rotating roller component 22 at the housing 14 of torque limiter 11 and is obtained on the basis of the torque limiter unit shown in Fig. 8.To the same reference character of the element annotation identical with Fig. 8, also the repetitive description thereof will be omitted.
At the torque limiter 11 of this torque limiter unit, rotating roller component 22 is installed.The roller portion 23 of rotating roller component 22 is such as the rubber rollers sending single-sheet stationery from the carton of duplicating machine continuously.
Figure 9 illustrates the torque limiter unit of torque limiter 11 installation shaft 19 of the embodiment 1 shown in Fig. 1, but also can embodiment 2, the embodiment 3 shown in Fig. 3 and the embodiment shown in Fig. 4 shown in Fig. 24 torque limiter 11 installation shaft 19 of this three.
Above, describe embodiments of the present invention, but described mode of execution proposes as an example, do not mean that restriction scope of invention.New mode of execution of the present invention can be implemented with other various forms, can carry out various omission, displacement, change in the scope of purport not departing from invention.The distortion of described mode of execution, described mode of execution is included in scope of invention, purport, and in the technological scheme be included in described in claims and the scope be equal to this technological scheme.
description of reference numerals
11, torque limiter; 12, inner ring component; 13, helical spring; 14, housing; 15, lip part; 16, covering part; 17, covering part; 18, protuberance; 19, axle; 20, axle links protuberance; 21, axle links recess; 22, rotating roller component; 23, roller portion.

Claims (9)

1. a torque limiter, is characterized in that,
This torque limiter comprises:
Helical spring, it is formed by resin, and is configured at the periphery of inner ring component in an interference fit across oiling agent; And
Housing, it can keep described helical spring one end,
When moment of torsion between described inner ring component and described housing is below specified value, there is not slippage in described helical spring, and between described inner ring component and described housing, carry out moment of torsion transmission, when moment of torsion between described inner ring component and described housing exceedes specified value, described helical spring generation slippage, thus cut off the moment of torsion transmission between described inner ring component and described housing.
2. torque limiter according to claim 1, is characterized in that,
This torque limiter is provided with dispersing of described oiling agent and prevents component.
3. torque limiter according to claim 2, is characterized in that,
Described dispersing prevents component from being lip part, and this lip part is located at the end of described inner ring component, and this end is in the side contrary with side residing for the described housing kept described helical spring one end.
4. torque limiter according to claim 2, is characterized in that,
Described dispersing prevents component from being covering part, this covering part extends to described case side from the end of described inner ring component, and around described helical spring, the described end of described inner ring component is in the side contrary with side residing for the described housing kept described helical spring one end.
5. torque limiter according to claim 2, is characterized in that,
Described dispersing prevents component from being covering part, and this covering part extends to described inner ring member side the described housing that described helical spring one end keeps certainly, and around described helical spring.
6., according to the torque limiter in Claims 1 to 5 described in any one, it is characterized in that,
The position contacted with described helical spring of the outer circumferential face of described inner ring component has multiple protuberance.
7., according to the torque limiter in claim 1 ~ 6 described in any one, it is characterized in that,
Described helical spring is that mould can by the shape to both direction drawing.
8. a torque limiter unit, is characterized in that,
This torque limiter unit comprises:
Torque limiter in above claim 1 ~ 7 described in any one; And
Axle, it is linked to described inner ring component, and described axle is arranged in the mode of the described inner ring component running through described torque limiter.
9. torque limiter unit according to claim 8, is characterized in that,
At the described housing of described torque limiter, rotating roller component is installed.
CN201380071028.8A 2013-01-21 2013-10-04 Torque limiter and torque limiter unit Pending CN104937299A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013008073A JP5508556B2 (en) 2012-03-30 2013-01-21 Torque limiter and torque limiter unit
JP2013-008073 2013-01-21
PCT/JP2013/077104 WO2014112161A1 (en) 2013-01-21 2013-10-04 Torque limiter and torque limiter unit

Publications (1)

Publication Number Publication Date
CN104937299A true CN104937299A (en) 2015-09-23

Family

ID=51210864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380071028.8A Pending CN104937299A (en) 2013-01-21 2013-10-04 Torque limiter and torque limiter unit

Country Status (2)

Country Link
CN (1) CN104937299A (en)
WO (1) WO2014112161A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007247738A (en) * 2006-03-15 2007-09-27 Origin Electric Co Ltd Input/output transmitting component and its manufacturing method
JP2011202798A (en) * 2010-03-04 2011-10-13 Ntn Corp Torque limiter and method of recycling the same

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Application publication date: 20150923