CN101294616B - Speed reduction apparatus for off-centering swing - Google Patents
Speed reduction apparatus for off-centering swing Download PDFInfo
- Publication number
- CN101294616B CN101294616B CN2008100918018A CN200810091801A CN101294616B CN 101294616 B CN101294616 B CN 101294616B CN 2008100918018 A CN2008100918018 A CN 2008100918018A CN 200810091801 A CN200810091801 A CN 200810091801A CN 101294616 B CN101294616 B CN 101294616B
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- mentioned
- partition
- eccentric
- swing
- axon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
Abstract
An eccentric swing speed reducer ensures the primary reduction ratio greatly and is arranged in short along the axial direction. The speed reducer includes: a sun wheel (center rotor) (116); a transmission gear (eccentric shaft driver) (118) rotating through the sun wheel; an eccentric body (120) rotating with the transmission gear integrally; an external gear (swing body) (124A, 124B) swinging and rotating through the eccentric body shaft; first, second brackets (bracket bodies) (132, 134) synchronizing with the autorotation component of the external gear; and a septa (125) configured on theaxial position same as the transmission gear for limiting the axial motion of the external gear. The septa is formed, so that the outermost parts (P101-P104) in the radial direction of the device arethe insides of the circumference (R102) of the outermost parts (S101, S102) in the radial direction of the device including the transmission gear, and are the structures stopped relatively to the first, second brackets.
Description
Technical field
The present invention relates to a kind of speed reduction apparatus for off-centering swing.
Background technique
Known a kind of speed reduction apparatus for off-centering swing has: the center rotor; Eccentric axon driving body rotates by this center rotor; Eccentric shaft rotates integratedly with this off-centre axon driving body; Swing member is swung rotation by this eccentric shaft; And pallet body, with the rotation composition synchronous (for example patent documentation 1) of this swing member.
And identical claimant has proposed the structure of this patent documentation 1 has been carried out the structure of improvement.
Fig. 5, Fig. 6 represent the speed reduction apparatus for off-centering swing that this is modified.
This speed reduction apparatus for off-centering swing 12 is formed with sun gear (center rotor) 16 on input shaft 14.Sun gear 16 meshes simultaneously with a plurality of (being 3 in this embodiment) driving gear (eccentric axon driving body) 18.
Each driving gear 18 is assembled into respectively on the eccentric axon 20 that is provided with a plurality of (being 3 in this embodiment).Phase place with 180 ° on each eccentric axon 20 is provided with eccentric body 22A, 22B.When input shaft 14 rotates, drive 3 eccentric axons 20 by above-mentioned driving gear 18, and be in 3 eccentric body 22A of axial same position of these 3 eccentric axons 20 or 22B each other, rotate to equidirectional with same phase respectively.2 external gears (swing member) 24A, 24B are entrenched in the periphery of these eccentric bodies 22A, 22B respectively.Thus, these 2 external gear 24A, 24B, corresponding to the activity of each eccentric body 22A, 22B with 180 ° phase difference eccentric rotary.
Dispose the 1st, the 2nd carriage (pallet body) 32,34 in the axial both sides of external gear 24A, 24B.2 external gear 24A, 24B limit its axial activity by being configured in the partition 25 between the 1st, the 2nd carriage 32,34 and this 2 external gear 24A, 24B.1st, the 2nd carriage 32,34 interconnects by bolt 40 and bracket pin 42, and its integral body is supported on the housing 30 freely to rotate by tapered roller bearing 36,38.
In the speed reduction apparatus for off-centering swing 12 of this structure, the rotation of input shaft 14 is passed to each eccentric axon 20 afterwards via driving gear 18 decelerations, and eccentric body 22A, the 22B of each eccentric axon 20 are rotated with same phase respectively, thus, can make external gear 24A, 24B swing.As a result, owing to produce the phenomenon that staggers successively in the engaging position of external gear 24A, 24B and internal gear 28, so, along with the rotation of eccentric axon 20, and can between this external gear 24A, 24B and internal gear 28, produce the relative displacement that is equivalent to number of teeth difference.When being fixed, can go out this relative displacement at housing 30 (internal gear 28), when the rotation of the 1st, the 2nd carriage 32,34 is limited, this relative displacement can be taken out as the rotation (frame rotation) of housing 30 sides from a pair of the 1st, the 2nd carriage 32,34 side-draws.
Patent documentation 1: TOHKEMY 2004-138094 communique
But, in the speed reduction apparatus for off-centering swing of this structure, for example the structure that shortens axial and as described later mode of execution in intention like that, in the time of will being configured in driving gear 18 between external gear 24A, the 24B, the problem that exists is, the inner circumference edge of the outer periphery of this driving gear 18 and partition 25 is interfered, and can not make the size of driving gear 18 too big.Thus, will be under the situation of the reduction speed ratio more than elementary reduction part (sun gear 16 and driving gear 18) obtains to a certain degree, the structure of Fig. 5 is such as already described, the problem that exists is, the position (in illustrated example be the axial outside of external gear 24A) of the allocation position of having to make driving gear 18 for not interfering with partition 25, the axial length of speed reducer integral body is elongated.Summary of the invention
The present invention carries out in order to solve this problem in the past, its problem is: even there is partition, also can be by on the axial position identical, disposing driving gear with it, shorten the axial length of device integral body, and, can reasonably eliminate the interference of this partition and driving gear, can't damage the original locating function of partition, and can on the axial position identical, dispose enough big driving gear, can obtain the reduction speed ratio of elementary reduction part thus significantly with partition.
The present invention is a kind of speed reduction apparatus for off-centering swing, solves above-mentioned problem by following formation, has: the center rotor; Eccentric axon driving body rotates by this center rotor; Eccentric axon is with this off-centre axon driving body unitary rotation; Swing member is swung rotation by this off-centre axon; And pallet body, synchronous with the rotation composition of this swing member; This speed reduction apparatus for off-centering swing is, has partition, and this partition is configured on the axial position identical with above-mentioned eccentric axon driving body, and the axial activity of restriction swing member; Above-mentioned partition, forming its device radial direction penetralia is the inboard that comprises the outermost circumference of device radial direction of above-mentioned eccentric axon driving body, and with respect to above-mentioned pallet body by spline.
According to the present invention, partition forms, and its radial direction penetralia is the inboard that comprises the outermost circumference of eccentric axon driving body.The result, owing to eccentric axon driving body can be configured on the axial position identical and (realize shortening the axial length of device) with partition, and can fully guarantee the width of the radial direction of this partition at established part, so, at the interference portion of partition and eccentric axon driving body, can set the width of radial direction lessly.Therefore, the driving gear of size corresponding can be accommodated, and the reduction speed ratio of elementary reduction part (i.e. the reduction part that constitutes by center rotor and eccentric axon driving body) can be increased with it.
According to the present invention, can keep elementary reduction speed ratio than the highland, and can access the short speed reduction apparatus for off-centering swing of axial length.
Description of drawings
Fig. 1 is the sectional arrangement drawing of speed reduction apparatus for off-centering swing of an example of embodiments of the present invention.
Fig. 2 is the sectional drawing along II-II line shown in the arrow of above-mentioned speed reducer.
Fig. 3 is the sectional drawing of speed reduction apparatus for off-centering swing of an example of other mode of executions of the present invention.
Fig. 4 is the sectional drawing along IV-IV line shown in the arrow of Fig. 3.
Fig. 5 represents the sectional drawing of an example of speed reduction apparatus for off-centering swing in the past.
Fig. 6 is the sectional drawing along III-III line shown in the arrow of Fig. 5.
Embodiment
Below describe an example of embodiment of the present invention with reference to the accompanying drawings in detail.
Fig. 1 is the sectional drawing of an example of the speed reduction apparatus for off-centering swing of expression embodiment of the present invention, and Fig. 2 is the sectional drawing along II-II line shown in the arrow of Fig. 1.In addition, Fig. 1 is equivalent to along the sectional drawing of I-I line shown in the arrow of Fig. 2.
This speed reduction apparatus for off-centering swing 112 has: sun gear (center rotor) 116 is arranged on the input shaft 114; Driving gear (eccentric axon driving body) 118 rotates by this sun gear 116; Eccentric axon 120 is with these driving gear 118 unitary rotation; External gear (swing member) 124A, 124B swing rotation by this off-centre axon 120; And, the 1st, the 2nd carriage (pallet body) 132,134, synchronous with the rotation composition of this external gear 124A, 124B.
Below be described in detail.
Each driving gear 118 is assembled into respectively on the eccentric axon 120 that is provided with a plurality of (being 2 in this embodiment), and can be simultaneously and equidirectionally drive 2 eccentric axons 120.On each eccentric axon 120, eccentric body 122A, 122B have been arranged side by side in the axial direction with 180 ° of phase places respectively.And, the eccentric body 122A of each each other with eccentric body 122B each other, respectively with same phase and can be assembled in rotationally on the axial same position of each to equidirectional.
The periphery of the periphery of external gear 124A and 2 eccentric body 122A, external gear 124B and 2 eccentric body 122B is chimeric respectively.The chimeric of eccentric body 122A, 122B and external gear 124A, 124B is chimeric via the rolling of roller 126A, 126B, the result, and external gear 124A, 124B are respectively with engagement in 180 ° of phase differences and the internal gear 128.External gear 124A, 124B vertically and the reason of row arrangement 2 (124A, 124B) be, for guaranteeing of transfer capacity.The axial position of each external gear 124A, 124B is by angular contact ball bearing 136,138 and partition 125 restrictions.The back will be described the structure of partition 125 in detail.
Dispose the 1st, the 2nd carriage 132,134 in the axial both sides of external gear 124A, 124B.1st, the 2nd carriage 132,134 interconnects by bolt 140 and from the outstanding integratedly bracket pin 134A that forms of the 2nd carriage 134 sides, and its integral body is supported on the housing 130 rotationally by above-mentioned angular contact ball bearing 136,138.
Above-mentioned eccentric axon 120 is supported on the 1st, the 2nd carriage 132,134 by needle roller 150,152.Needle roller 150,152 is, eccentric axon 120 as inner ring, the 1st, the 2nd carriage 132,134 is worked respectively as the outer ring, is constituted " needle bearing " thus.But, because so needle roller 150,152 counter-force of bearing thrust direction separately in the present embodiment, in order to carry out the axially locating of eccentric axon 120, adopts following structure.
That is, on eccentric axon 120, form stepped part 170,172.And, utilize this stepped part 170,172, and the packing ring 174,176 that configuration limits moving axially of eccentric axon 120 between this stepped part 170,172 and the 1st, the 2nd carriage 132,134.
Packing ring 174,176 by with the 1st, the 2nd carriage 132,134 butts, carry out the axial location of eccentric axon 120 thus by stepped part 170,172, and, also carry out the axial location of this 126A, 118,126B thus by sandwiching roller 126A, driving gear 118 and another roller 126B betwixt.In addition, packing ring 174,176 is configured to, can be with respect to any rotation of the 1st, the 2nd carriage 132,134 and stepped part 170,172.
In addition, the symbol among the figure 167,169 is the axially movable needle roller pressing plate of restriction needle roller 150,152.And symbol 142 is for being used to connect the bolt hole of the 1st, the 2nd carriage 132,134 and object parts (being driven machinery), and 180 be the anchor clamps assembly department, and it is used to carry out the anchor clamps (diagram summary) of its spline when being used to be installed in the eccentric axon 120 of processing.
The structure of partition 125 is described herein.In addition, the external tooth of external gear 124A be should be dotted line by the part that partition 125 blocks, but represents with solid line for convenience.
The shape of partition 125 forms, the penetralia (having P101～P104 everywhere in illustrated example) of its device radial direction is the inboard of the circumference R101 of the most external (being S101, S102 two places in illustrated example) of the device radial direction that comprises driving gear 118.Partition 125 integral body are ring-type, and for fear of with the interference of driving gear 118, all within it sides have and this driving gear 118 between guarantee the 1st recess 125A (2 place) of gap delta.And this partition 125 has the 2nd recess 125B (4 place) along the shape of the periphery part of bracket pin 134A.Wherein, by the engaging of the 2nd recess 125B and bracket pin 134A, partition 125 and the 1st, the 2nd carriage 132,134 are integrated in a circumferential direction, the result, constitute partition 125 with respect to the 1st, the 2nd carriage 132,134 by spline.
The below effect of this speed reduction apparatus for off-centering swing 112 of explanation.
When input shaft 114 rotated, 2 eccentric axons 120 were rotated by slowing down simultaneously with the driving gear 118 of these input shaft 114 engagements.As a result, the eccentric body 122A that one is installed on each eccentric axon 120 rotates with same phase each other with 122B each other, connects and swing respectively rotation in external gear 124A, 124B and the internal gear 128.Internal gear 128 is integrated with housing 130, and be in the state that is fixed, so the phenomenon that can produce be, when eccentric axon 120 is rotated, external gear 124A, 124B swing rotation via eccentric body 122A, 122B, stagger successively in the engaging position of this external gear 124A, 124B and internal gear 128.
At this moment because external gear 124A, 124B only lack few number of teeth than internal gear 128, so, with respect to the internal gear 128 that is in stationary state, phase place only stagger (rotation) be equivalent to the amount of number of teeth difference.Therefore, eccentric axon 120 revolves round the sun around input shaft 114 with the speed that is equivalent to this rotation composition, supports the 1st, the 2nd carriage 132,134 of this off-centre axon 120 to rotate with the speed that is equivalent to this revolution speed.1st, the 2nd carriage 132,134 is connected with bracket pin 134A by bolt 140, so 1st, the 2nd carriage 132,134 becomes one (becoming big integral body) and slowly rotates, and drives the not shown object machinery (being driven machinery) that connects by bolt hole 142.
In addition, shown in present embodiment, at housing 130 (internal gear 128) when being fixed, the relative displacement that can go out external gear 124A, 124B and internal gear 128 from the 1st, the 2nd carriage 132,134 side-draws, when being the confined structure of rotation of the 1st, the 2nd carriage 132,134, by the rotation restriction of the 1st, the 2nd carriage 132,134, this relative displacement can be taken out as the rotation (frame rotation) of housing 130 sides.
At this, the speed reduction apparatus for off-centering swing 112 of present embodiment, has the 1st, the 2nd carriage 132,134 in the both sides of external gear 124A, 124B, and, support that rigidity is higher, external gear 124A, 124B are rotated at the stable status lower swing by 2 eccentric axons 120 of the 1st, the 2nd carriage 132,134 two ends support.
2 external gear 124A, 124B are by 132,134 clampings of a pair of the 1st, the 2nd carriage, and partition 125 is configured in its axially central authorities, so the activity that other location units such as positioning ring just can restrictive axial need not be set especially.
At this, because partition 125 forms, penetralia P101～104 of its device radial direction are the inboard of circumference R101 of most external S101, the S102 of the device radial direction that comprises driving gear 118, so, near this penetralia P101～104, can on radial direction, guarantee great thickness W101, and can position external gear 124A, the 124B that is positioned at these partition 125 both sides well.Therefore, in the most external S101 of driving gear 118, the outside of S102, only guarantee that width W 102 as thin as a wafer is promptly enough, and the size of driving gear 118 can be guaranteed respective amount significantly.Therefore, the reduction speed ratio that can guarantee in first section (sun gear 116 and driving gear 118) can be set respective amount than the highland.Therefore, driving gear 118 and partition 125 can be configured on the axial same position without barrier, and can shorten axial length.
In addition, because by bracket pin 134A and the 2nd recess 125B, partition 125 is by with respect to the 1st, the 2nd carriage 132,134 splines (movable integratedly), so, guaranteed often between this partition 125 and the driving gear 118 that the state of the gap delta of being scheduled to is kept.Therefore, on-stream partition 125 can not contact with driving gear 118.
In addition, in the present embodiment, so, along with the reduction speed ratio that can guarantee elementary reduction part (sun gear 116 and driving gear 118) significantly, and by driving gear 118 being configured between 2 external gear 124A, the 124B, obtain " advantage that can shorten in the axial direction ", still, do not limit how to apply flexibly this advantage especially in the present invention.That is, this advantage certainly helps the axial shortening of implement device as described in the literal, but, also can be as present embodiment, this part is formed anchor clamps assembly department 180, this anchor clamps assembly department 180 is used for the anchor clamps (omitting diagram) of its spline when being used to be installed in the eccentric axon 120 of processing.Thus, can be by once clamping eccentric axon 120, comprising that eccentric body 122A, 122B carry out high-precision processing, so can realize shortening process time, cut down finished cost and improve machining accuracy.And, for example when allowing, also this advantage can be transferred to and applying flexibly on the direction that increases transfer capacity with identical up to now axial length.
Followingly other mode of executions of the present invention are described with reference to Fig. 3, Fig. 4.
In this speed reduction apparatus for off-centering swing 212, partition 225 is by discrete 2 parts 225-1,225-2 constitute in a circumferential direction.Each parts 225-1,225-2 are formed respectively and are configured to, and penetralia S201, S202 of its device radial direction is the inboard of circumference R201 of most external S201, S202 that comprises the device radial direction of driving gear 218.In addition, " discrete at circumferencial direction " described herein term uses and is following implication: " be not in the axial direction, but be made of (not being parts) parts more than 2 in a circumferential direction ".
Each parts 225-1,225-2 have the 2nd recess 225-1B, the 225-2B along the shape of the periphery part of bracket pin 234A respectively, by bracket pin 234A and the 2nd recess 225-1B, 225-2B, make partition 225-1,225-2 with respect to the 1st, the 2nd carriage 232,234 splines.
According to present embodiment, owing to do not have partition fully in the device radial direction outside of most external S201, the S202 of driving gear 218, so can guarantee flexibility to greatest extent for the design of driving gear 218.In addition, for other structure, because basic identical with the mode of execution of front, so, give back two identical symbols for regarding same or analogous part in the drawings as, and omit repeat specification.
In addition, about the shape of partition, the shape shown in a example wherein just also can be considered various shapes in the above-described embodiment.For example, except 2 shown in the 2nd mode of execution are used as the partition with upper-part, can also and use the partition of ring-type.
And also there is no particular limitation for the quantity of the partition of configuration.
Utilizability on the industry
In the field of in the past this kind importing speed reduction apparatus for off-centering swing, can utilize as realizing higher speed reducing ratio and the axial shorter improved goods of length.
Claims (4)
1. speed reduction apparatus for off-centering swing has:
The center rotor;
Eccentric axon driving body rotates by this center rotor;
Eccentric axon is rotated integratedly with this off-centre axon driving body;
Swing member is swung rotation by this off-centre axon; And
Pallet body, synchronous with the rotation composition of this swing member;
This speed reduction apparatus for off-centering swing is characterised in that,
Have partition, this partition is configured on the axial position identical with above-mentioned eccentric axon driving body, and the axial activity of restriction swing member;
Penetralia that above-mentioned partition forms its device radial direction is the inboard of outermost circumference that comprises the device radial direction of above-mentioned eccentric axon driving body, and with respect to above-mentioned pallet body by spline;
Above-mentioned swing member is a plurality of, and above-mentioned partition is configured between this swing member.
2. speed reduction apparatus for off-centering swing as claimed in claim 1 is characterized in that,
Above-mentioned partition is a ring-type, and all within it sides have the 1st recess of avoiding with the interference of above-mentioned eccentric axon driving body.
3. speed reduction apparatus for off-centering swing as claimed in claim 1 is characterized in that,
Above-mentioned partition is made of discrete parts more than 2 in a circumferential direction.
4. as each described speed reduction apparatus for off-centering swing of claim 1～3, it is characterized in that,
Have a pair of above-mentioned pallet body in the axial both sides of above-mentioned swing member, mutually by the bracket pin combination,
Above-mentioned partition has along the 2nd recess of the shape of the periphery part of above-mentioned bracket pin,
Make above-mentioned partition with respect to above-mentioned pallet body spline by this bracket pin and the 2nd recess.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP114452/2007 | 2007-04-24 | ||
| JP2007114452A JP4747128B2 (en) | 2007-04-24 | 2007-04-24 | Eccentric oscillation reduction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101294616A CN101294616A (en) | 2008-10-29 |
| CN101294616B true CN101294616B (en) | 2010-11-17 |
Family
ID=39877355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100918018A Expired - Fee Related CN101294616B (en) | 2007-04-24 | 2008-04-03 | Speed reduction apparatus for off-centering swing |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4747128B2 (en) |
| KR (1) | KR100977143B1 (en) |
| CN (1) | CN101294616B (en) |
| DE (1) | DE102008019886A1 (en) |
| TW (1) | TW200905104A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009041623A (en) * | 2007-08-07 | 2009-02-26 | Sumitomo Heavy Ind Ltd | Oscillation inscribed planetary gear structure |
| JP5536341B2 (en) | 2009-01-06 | 2014-07-02 | 住友重機械工業株式会社 | Reduction gear |
| JP5743770B2 (en) * | 2011-07-20 | 2015-07-01 | 住友重機械工業株式会社 | Speed reducer incorporation method and eccentric oscillation type speed reducer |
| WO2013174158A1 (en) * | 2012-05-24 | 2013-11-28 | Chen Chang | Gear reduction apparatus, washing machine, and washing method |
| JP5973855B2 (en) * | 2012-09-13 | 2016-08-23 | ナブテスコ株式会社 | Gear transmission and crankshaft structure used therefor |
| JP5868826B2 (en) * | 2012-10-31 | 2016-02-24 | 住友重機械工業株式会社 | Reduction gear |
| JP6373726B2 (en) * | 2014-11-04 | 2018-08-15 | ナブテスコ株式会社 | Gear transmission |
| DE102015011962B4 (en) * | 2015-07-14 | 2017-07-06 | Sew-Eurodrive Gmbh & Co Kg | Gearbox with thrust washer for axial securing of rolling elements of a bearing |
| JP6498569B2 (en) * | 2015-08-27 | 2019-04-10 | 住友重機械工業株式会社 | Eccentric rocking gear device |
| DE102015014087B4 (en) | 2015-11-03 | 2017-11-09 | Sew-Eurodrive Gmbh & Co Kg | transmission |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409029A (en) * | 2001-09-13 | 2003-04-09 | 帝人制机株式会社 | Eccentrically swing type speed reducer |
| JP2004138094A (en) * | 2002-10-15 | 2004-05-13 | Sumitomo Heavy Ind Ltd | Speed reducer |
| JP2006132651A (en) * | 2004-11-05 | 2006-05-25 | Nabtesco Corp | Eccentric rocking type reduction gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS593048U (en) * | 1982-06-30 | 1984-01-10 | 株式会社小松製作所 | reducer device |
| JPS6188072A (en) * | 1984-10-05 | 1986-05-06 | Sumitomo Heavy Ind Ltd | Removing device for angular backlash in planetary gear mechanism |
| JPH04236837A (en) * | 1991-01-11 | 1992-08-25 | Aiseru Kk | Reduction gear |
| JP2888691B2 (en) * | 1992-03-12 | 1999-05-10 | 住友重機械工業株式会社 | Inner mesh planetary gear structure |
| JP3650536B2 (en) * | 1998-12-14 | 2005-05-18 | 住友重機械工業株式会社 | Inscribed mesh planetary gear structure |
| JP4020560B2 (en) | 2000-02-07 | 2007-12-12 | ナブテスコ株式会社 | Eccentric rocking speed reducer |
| JP4588586B2 (en) | 2005-08-31 | 2010-12-01 | 住友重機械工業株式会社 | Simple planetary gear mechanism planetary gear unit series |
| KR100725623B1 (en) | 2005-10-28 | 2007-06-08 | 용 석 장 | Device of forwarding power with reducing speed function |
-
2007
- 2007-04-24 JP JP2007114452A patent/JP4747128B2/en active Active
-
2008
- 2008-02-21 TW TW97106059A patent/TW200905104A/en unknown
- 2008-04-03 CN CN2008100918018A patent/CN101294616B/en not_active Expired - Fee Related
- 2008-04-21 DE DE200810019886 patent/DE102008019886A1/en not_active Withdrawn
- 2008-04-24 KR KR1020080037990A patent/KR100977143B1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409029A (en) * | 2001-09-13 | 2003-04-09 | 帝人制机株式会社 | Eccentrically swing type speed reducer |
| JP2004138094A (en) * | 2002-10-15 | 2004-05-13 | Sumitomo Heavy Ind Ltd | Speed reducer |
| JP2006132651A (en) * | 2004-11-05 | 2006-05-25 | Nabtesco Corp | Eccentric rocking type reduction gear |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100977143B1 (en) | 2010-08-20 |
| CN101294616A (en) | 2008-10-29 |
| KR20080095795A (en) | 2008-10-29 |
| JP2008267570A (en) | 2008-11-06 |
| TW200905104A (en) | 2009-02-01 |
| DE102008019886A1 (en) | 2008-11-27 |
| JP4747128B2 (en) | 2011-08-17 |
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Granted publication date: 20101117 Termination date: 20130403 |