WO2010016673A2 - 주행속도 향상을 위한 자전거용 가속장치 - Google Patents
주행속도 향상을 위한 자전거용 가속장치 Download PDFInfo
- Publication number
- WO2010016673A2 WO2010016673A2 PCT/KR2009/004178 KR2009004178W WO2010016673A2 WO 2010016673 A2 WO2010016673 A2 WO 2010016673A2 KR 2009004178 W KR2009004178 W KR 2009004178W WO 2010016673 A2 WO2010016673 A2 WO 2010016673A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gear
- bicycle
- hub
- chain
- speed
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
- B62M11/16—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the ground-wheel hub
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M1/00—Rider propulsion of wheeled vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/24—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
- B62M1/32—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers characterised by directly driving the wheel axle, e.g. by using a ratchet wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
- B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
Definitions
- the present invention relates to a bicycle, and more particularly, simply installs an accelerator in a range of not being fixed to a bicycle body on the same axis of a hub shaft of a bicycle driven by a chain, thereby simplifying installation of the driving wheel side of the bicycle, and accelerating With the device, it is possible to increase the rotational force of the driving wheel by more than double speed in connection with the hub axis of the driving wheel when driving the bicycle. will be.
- bicycles have a long history as a means of transportation, and even now, bicycles have been used for the purpose of transportation as well as for the purpose of physical exercise as recreational activities and exercise effects.
- Two-wheeled bicycles which are commonly used by the majority, are driven from the body frame to the front wheel, the rear wheel (hereinafter referred to as the driving wheel), and the crankshaft pedal to drive the chain gear installed on the driving wheel side as a chain of power transmission medium. Used to move the bicycle forward.
- a gear shift gear that can change the position of the chain is installed by putting a chain drive gear of different diameters on the pedal side drive chain gear and the drive wheel side. It is supposed to be enjoyed.
- Korean Utility Model Registration No. 20-418803 name of the invention: a driving device for a bicycle using a planetary gear device
- the registration utility model is an example used by incorporating a conventional planetary gear device into a bicycle installed on one shaft on a pedal and a driving wheel, such as a tricycle for infants and children who do not drive a chain, or a unicycle, an ordinary bicycle. to be.
- the main configuration of the planetary gear system is composed of ring gears, planetary gears, and sun gears, and the planetary gears perform rotational motion with respect to the ring gears on the outer circumference relative to the sun gears. Therefore, the completion of the planetary gear against the completion of the gear of the ring gear is a transmission means for operating the rotating body as a principle of rotating the sun gear faster.
- the utility model applied the planetary gear device as described above to the pedal side, which is proportional to the number of revolutions of the user's direct pedal to allow the dynamic drive of each gear to finally increase the number of revolutions of the wheel. Structure.
- the above structure can be implemented only in the limited design of the bicycle because the planetary gear device is installed on the axis of rotation of the pedal, such as a tricycle, a unicycle, an ordinary bike, and the like, as described above. Is only done on the lungs, so the actual speed up is not so great.
- the sun gear device in the driving of the driving wheel which is the rear wheel of the bicycle from the pedal side through the chain, the sun gear is provided on the chain gear (S1) side, the sun gear is on the rotating shaft on which the pedal is installed In the periphery of the sun gear, there is a device which guides and combines a disk having three planetary gears fixed in a housing provided with a ring gear.
- This is not for the purpose of increasing the speed, but it is a deceleration structure installed for the purpose of easily rotating the pedal by the user who rides the bicycle, and it is suitable for the exercise condition to train the lower body by stepping on the pedal continuously, and the steep slope It has been used for the purpose of making less effort when riding the area by bicycle.
- the present invention has been made to solve the conventional problems as described above, the drive wheel of the bicycle by simply installing an accelerator in the range of not fixed separately with the bicycle body on the same axis of the hub shaft of the bicycle driven by the chain
- the side installation is simplified, and the acceleration device is associated with the hub axis of the driving wheel when driving the bicycle to increase the rotational force of the driving wheel more than double speed, so that it is possible to easily speed up even a small bicycle.
- the purpose is to provide an accelerator for a bicycle.
- the hub is a drive wheel provided with a chain gear on one side as a medium of the chain connecting the drive wheel from the pedal-side drive chain gear of the bicycle on the hub shaft on which the drive wheel is installed from the body of the bicycle
- the accelerator for rotating at a double speed from the shaft
- the accelerator device is a hub bush which is fastened and fixed to any one of the male screw portions formed on both sides of the hub shaft, the sun gear is integrally formed on the outer circumference of the center line, the bearing bush is installed on the outer circumference;
- a ball guide bush having a male screw portion coupled to the outer diameter of the hub bush so as to accommodate the bearing ball, the outer thread having a male screw portion coupled to a gear cover to be described later; It is fastened to the male threaded portion of the ball guide bush, the outer periphery is provided with a latch for inducing one-way rotation and a latch spring for supporting the latch, and one side rotatably rotates the planetary gear that is engaged with the sun gear together with the bearing
- a gear cover provided with a plurality of fixed shafts to drive the rotational speed of the hub bush side sun gear and the hub shaft through each planetary gear at a double speed;
- a gear housing in which an inner diameter is provided with a ring gear in which the planetary gears are meshed so that the gear
- a rocker having an insertion jaw formed therein;
- a transmission cylinder having a hollow cylindrical shape having a stepped portion to accommodate the outer circumference of the gear housing, the chain gear having different diameters on the outer circumference in multiple stages, and having an internal thread formed therein;
- Acceleration device for improving the traveling speed consisting of; a male screw portion is provided on the outer circumference to be fastened to the female screw of the transmission body, the inner cover has a gear latch which rotates in one direction by contacting the gear cover side latch; Characterized in that is provided.
- the present invention is a bicycle, a structure that can be easily mounted without using a separate connecting member to the hub shaft of the drive wheel, the accelerator including a known sun gear, planetary gear, ring gear, shifting chain gear Applied to general bicycles or small bicycles of the type or single-chain drive type, the rotation of the driving wheel is increased to double speed according to the gear installation ratio, and the rotation speed of the driving wheel is increased to double speed than the normal maximum speed to achieve relatively speed.
- Existing bicycles which required a lot of power, have the effect of increasing the speed with less force.
- FIG. 1 is a schematic diagram showing a drive wheel power transmission of a typical bicycle
- FIG. 2 is a schematic diagram of an accelerator applied to a hub shaft of a driving wheel of a bicycle according to the present invention
- Figure 3 is a perspective view showing a separate accelerator according to the invention.
- Figure 4 is a longitudinal cross-sectional view showing a state in which the accelerator according to the invention assembled to the drive wheel side hub shaft
- FIG. 5 is an enlarged cross-sectional view of an essential part of FIG. 4;
- Figures 6a and 6b is an operating state diagram for explaining the rotation of the main part of the accelerator according to the present invention.
- gear cover 108 gear housing
- transmission body 112 bearing ball
- FIG. 2 is a schematic view showing an accelerator applied to a hub shaft of a driving wheel of a bicycle according to the present invention
- FIG. 3 is a perspective view showing a separate accelerator according to the present invention
- FIG. 4 is according to the present invention.
- Figure 6 is a longitudinal cross-sectional view showing a state in which the accelerator is assembled to the drive wheel side hub shaft
- Figure 5 is an enlarged cross-sectional view of the main portion of Figure 4
- Figures 6a and 6b is a rotation of the main portion of the accelerator according to the present invention This is an operation state diagram to explain.
- a chain (C) connecting the drive wheels from the pedal-side drive chain gear (S1) of the bicycle to the hub shaft (12) on which the drive wheels (10) are installed from the bicycle body (1) is provided on one side as a medium.
- the accelerator 100 for rotating the drive wheel provided with the chain gear (S2) from the hub shaft double speed is provided in the accelerator 100 for rotating the drive wheel provided with the chain gear (S2) from the hub shaft double speed.
- the accelerator device 100 The accelerator device 100,
- the drive wheel 10 is penetrated on the hub shaft 12 in which the driving wheel 10 is installed and fastened and fixed to the male screw portion 12a of the hub shaft 12.
- the sun gear 101 is integrally provided on the center line thereof, and the bearing has an outer diameter.
- Hub bush 102 is installed ball (112) is installed.
- the bearing balls 12 are installed in a plurality of rows and guided to the bearing guide grooves 102a of the hub bush 102.
- the ball guide bush 113 is installed on the basis of the installation of the hub bush 102, the ball guide bush is installed so as to accommodate the outer diameter of the hub bush (102) to accommodate the bearing ball (112).
- a male screw portion 113a is formed at an outer circumference of the ball guide bush 113 so that a gear cover 106 to be described later is installed.
- the gear cover 106 is fastened to the male thread portion 113a of the ball guide bush 113, and a latch 114 for inducing one direction rotation and a C-shaped latch spring 115 for fixing the latch are provided at the outer circumference. Is installed. In addition, one side is rotatably installed with the bearing 105 from the fixed shaft 104 formed integrally with the planetary gear 103 engaged with the sun gear 101, respectively.
- the gear housing 108 is installed in the form of accommodating one side of the gear cover 106 while penetrating from above the hub shaft (12).
- the gear housing 108 is provided with a ring gear 107 in the inner diameter so that the planetary gear 103 is inscribed, and the coupling type 108a of the gear type is arranged in the inner diameter penetrating the hub shaft 12. to be;
- a locker 109 is installed at the fastening part 2 provided on the hub shaft 12 to penetrate the bicycle body, and the rocker 109 has a female screw 109b to be screwed to the fastening part 20. It is formed, the circumferential bushing ring 116 is provided on the inner diameter of the hub bush 102 formed with the engaging projection 109a and the sun gear 101 is guided to the gear housing 108 side engaging jaw (108a) ) Is provided with an insertion jaw portion 109c guided together.
- the engaging protrusions 109a of the rocker 109 are arranged in the shape of gears on the circumference, and the coupling jaw 108a formed corresponding thereto is also fitted to each other in the same shape as the arrangement of the gears. At the same time as being screwed to the fastening portion (2) of the), by fitting to the engaging jaw (108a), it is possible to finally install the accelerator 100 from the hub shaft (12).
- One side of the rocker 109 installed to the gear housing 108 side is a bushing 116 provided to abut on the side surface of the sun gear 101 side of the hub bush (102) so as to interact with each other.
- the fastening portion 2 on the hub shaft 12 passes through the end portion of the bicycle body 1, and then completes the assembly of the bicycle by fastening nuts provided.
- a transmission body 111 having a hollow cylindrical shape having a stepped portion 111a is installed to accommodate the gear housing 108 installed as described above.
- the transmission body 111 is provided with chain gears S2 to S5 having different diameters on the outer periphery in multiple stages, and can be shifted as a selective engagement of the chain C from the drive chain gear S1 according to the gear shift.
- the inner diameter is a structure in which an internal thread 111c for coupling with the transmission cover 110 to be described later is formed.
- a male screw portion 110a is provided on the outer circumference of the transmission cover 110 to be fastened to the female screw 111c of the transmission body 111, and the gear cover 106 side latch 114 contacts and rotates in one direction in an inner diameter thereof.
- Possible gear latch 110b is provided in the inner diameter.
- reference numeral B denotes a bearing interposed between the rocker and the gear housing and in the gear housing and the transmission body.
- the rotation ratio is basically one to three.
- the rotation ratio as described above occurs primarily in the diameter difference between the drive chain gear S1 having a large diameter and the chain gear S2 having a small diameter.
- the pedal side drive chain gear S1 and the drive wheel 10 side chain gears S2 to S5 use the chain C which connects them to the medium for the rotation of the pedal with respect to one revolution of the pedal by the ratio of the number of gears. It is a normal drive structure that can rotate three revolutions.
- Accelerator 100 according to the present invention is installed solely on the hub shaft 12 side of the drive wheel 10, it is possible to install a simple installation without a separate connecting member from the bicycle body.
- the main aspect of the present invention is the drive wheel 10 when the speed of the drive wheel 10 is rotated one pedal of the drive chain gear (S1) In order to increase the rotational speed of the driving wheel by at least twice, by performing six revolutions.
- the sun gear 101 connected directly to the hub shaft 12 may gradually increase the speed of the driving wheel 10 at three times or four times the speed of one rotation of the pedal-side driving chain gear S1.
- the double speed rotation drive of the driving wheel is made by the rotation of the chain gear S2 on the driving wheel 10 side through the chain C, and the forward speed of the bicycle by the force entered equally each time the pedal is rotated. Enable to augment.
- the transmission body 111 is rotated with the transmission cover 110 fastened to the body as chain gears (S2 ⁇ S5), wherein the inner diameter of the transmission cover (110)
- the gear latch 110b formed in the shaft 114 rotates while the latch 114 provided at the outer circumference of the gear cover 106 induces one-way rotation.
- the male screw portion 113a of the ball guide bush 113 is fastened to the inner diameter of the gear cover 106 so as to rotate together with the ball guide bush, and to the bearing ball 112 installed at the outer diameter of the ball guide bush 113. Due to this, the friction on the rotation of the sun bush 101 side of the hub bush 102 coupled to the hub shaft 12 is reduced.
- FIG. 6A shows a state before driving of the driving wheel
- FIG. 6B shows a rotational force of each of the planetary gears 103 engaged with the outer circumference of the sun gear 101 installed on the hub shaft 12 on the driving wheel 10 side. It shows the state that can be.
- the bearing 105 is installed on one side fixed shaft 104 of the gear cover 106 provided with the chain gear (S2), respectively.
- the planetary gear 103 that rotates rotates from the ring gear 107 on the housing 108 and transmits the rotational force of the sphere to the rotational speed of the sun gear 101 together with the hub shaft 12 at double speed.
- the hub shaft 12 of the driving wheel 10 connected to the same axis and the sun gear 101 can be rotated at a high speed.
- the hub shaft 12 in which the driving wheel 10 is installed is rotated at a double speed compared to the normal speed to provide rotational force to the driving wheel so that the forward speed of the bicycle driving wheel obtained when the pedal is rotated once is twice that of the general bicycle.
- the rotation is faster than this.
- the accelerator capable of improving the speed of the driving wheel is a general bicycle or a relatively bicycle which runs through the chain using only the drive chain gear S1 on the pedal side and the chain gear S2 on the driving wheel 10 as described above.
- a small bicycle equipped with a small diameter of the wheel it is possible to increase the efficient driving speed of the bicycle to provide the user with a sense of speed.
- the speed improvement as described above improves the speed by more than twice compared to the same force required to rotate the pedal once, so that the bicycle user can conveniently travel by stepping on the pedal lightly.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Structure Of Transmissions (AREA)
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Description
Claims (1)
- 자전거 차체(1)로부터 구동바퀴(10)가 설치되는 허브축(12)상에 자전거의 페달측 구동체인기어(S1)로부터 구동바퀴를 연결하는 체인(C)을 매체로서 일측에 체인기어(S2)가 설치된 구동바퀴를 허브축으로부터 배속 회전시키는 가속장치(100)에 있어서,상기 가속장치(100)는,상기 허브축(12)의 양측에 형성된 수나사부(12a)중 어느 한쪽의 수나사부(12a)에 체결 고정되며, 태양기어(101)가 중심선상 외측둘레에 일체로 형성되고, 외측둘레에 베어링 볼(112)이 설치된 허브부쉬(102)와;상기 베어링볼(112)을 수용하는 형태로 상기 허브부쉬(102)의 외경에 구름 가능하게 결합되고, 외측둘레에는 후술하는 기어커버(106)와 나사 체결되어 결합되도록 수나사부(113a)가 형성된 볼가이드부쉬(113)와;상기 볼가이드부쉬(113)의 수나사부(113a)에 체결되며, 외측둘레에는 일방향 회전을 유도하는 래치(114) 및 래치(114)를 지지하는 래치스프링(115)이 구비되고, 일측면에는 상기 태양기어(101)와 치합 구동되는 유성기어(103)를 베어링(105)과 함께 회전가능하게 지지하는 고정축(104)이 다수개 마련되어 각 유성기어를 통한 허브부쉬측 태양기어 및 허브축의 회전속도를 배속으로 구동하는 기어커버(106)와;상기 유성기어(103)들을 포함하는 기어커버(106)가 회전되도록 내경에는 유성기어들이 치합되는 링기어(107)가 마련되고, 상기 허브축(12)을 관통하는 내경에 기어타입의 결합턱(108a)이 배열 형성되어 허브축(12)상에 지지 설치되는 기어하우징(108)과;상기 허브축(12)선상에 마련된 체결부(2)에 나사체결되도록 암나사(109b)가 형성되고, 원주상에는 상기 기어하우징(108)측 결합턱(108a)에 안내되어 결합되는 결합돌부(109a) 및 상기 태양기어(101)가 형성된 허브부쉬(102)의 내경에 제공되는 부시링(116)과 함께 안내되는 삽입턱부(109c)가 마련된 로커(109)와;상기 기어하우징(108)의 외측둘레가 수용되도록 단차부(111a)를 갖는 중공의 원통형으로, 외측둘레에 각 직경이 다른 체인기어(S2~S5)가 다단으로 마련되고, 내경에 암나사(111c)가 형성된 트랜스미션 몸체(111)와;상기 트랜스미션 몸체(111)의 암나사(111c)에 체결되도록 외측둘레에 수나사부(110a)가 마련되고, 내경에는 상기 기어커버(106)측 래치(114)가 접촉하여 일방향으로 회전가능한 기어래치부(110b)가 내경에 마련된 트랜스미션 커버(110);로 구성된 것을 특징으로 하는 주행속도 향상을 위한 자전거용 가속장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09805134A EP2319753A4 (en) | 2008-08-04 | 2009-07-28 | ACCELERATION DEVICE FOR A BICYCLE FOR INCREASING THE DRIVING SPEED |
CN2009800003346A CN101873963B (zh) | 2008-08-04 | 2009-07-28 | 用于提高自行车行驶速度的加速系统 |
JP2011521997A JP5449356B2 (ja) | 2008-08-04 | 2009-07-28 | 走行速度向上のための自転車用加速装置 |
TW98137415A TWI469894B (zh) | 2009-07-28 | 2009-11-04 | 用於提高自行車行駛速度的加速系統 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0075861 | 2008-08-04 | ||
KR20080075861 | 2008-08-04 | ||
KR10-2008-0110153 | 2008-11-07 | ||
KR1020080110153A KR100901436B1 (ko) | 2008-08-04 | 2008-11-07 | 주행속도 향상을 위한 자전거용 가속장치 |
Publications (2)
Publication Number | Publication Date |
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WO2010016673A2 true WO2010016673A2 (ko) | 2010-02-11 |
WO2010016673A3 WO2010016673A3 (ko) | 2010-06-17 |
Family
ID=40982401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2009/004178 WO2010016673A2 (ko) | 2008-08-04 | 2009-07-28 | 주행속도 향상을 위한 자전거용 가속장치 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2319753A4 (ko) |
JP (1) | JP5449356B2 (ko) |
KR (1) | KR100901436B1 (ko) |
CN (1) | CN101873963B (ko) |
WO (1) | WO2010016673A2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113581358A (zh) * | 2021-09-01 | 2021-11-02 | 北京舆微科技有限公司 | 星轮加速装置及星轮车 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100956067B1 (ko) | 2009-08-27 | 2010-05-07 | (주) 코바 | 자전거 변속장치 |
KR20110079393A (ko) | 2010-01-01 | 2011-07-07 | 주식회사 솔텍 | 주행속도 향상을 위한 자전거용 가속장치 |
DE102011050447B4 (de) * | 2011-05-18 | 2013-02-07 | Karsten Bettin | Getriebeeinheit mit einer oder mit zwei Gangstufen, wahlweise für Fahrräder oder für Anhängefahrräder |
KR20160100688A (ko) | 2015-02-16 | 2016-08-24 | 박철홍 | 자전거용 가속허브 |
KR101749896B1 (ko) * | 2015-02-27 | 2017-06-23 | (주) 에프엑스기어 | 가속감속 기어장치 |
CN108883810A (zh) * | 2015-08-28 | 2018-11-23 | 先进技术有限公司 | 用于从链轮至轮毂的扭矩传动的传动元件 |
CN107763050B (zh) * | 2017-11-15 | 2024-04-16 | 昆山唐泽新能源科技有限公司 | 螺母、使用该螺母的发电花鼓及使用该发电花鼓的车辆 |
KR101889751B1 (ko) | 2018-04-30 | 2018-08-20 | 주식회사 바이크텍 | 회전력을 증가시키기 위한 기어장치 |
CN211766095U (zh) * | 2019-12-02 | 2020-10-27 | 李守进 | 一种变级变速传动自行车 |
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KR940022501U (ko) * | 1993-03-12 | 1994-10-20 | 김종욱 | 자전거 추진장치 |
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KR970026805A (ko) * | 1995-11-23 | 1997-06-24 | 겐키치 시모모토 | 운반용 변속장치 |
US5782715A (en) * | 1996-08-29 | 1998-07-21 | Eaton Corporation | Dual ratio viscous fan drive |
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PL337345A1 (en) * | 1997-06-09 | 2000-08-14 | World Ind Co Ltd | Apparatus for changing direction of rotation of bicycle treadle shaft |
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CN2707612Y (zh) * | 2004-03-18 | 2005-07-06 | 上海泽露贸易有限公司 | 自行车、电动车中轴链轮加速器 |
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2009
- 2009-07-28 EP EP09805134A patent/EP2319753A4/en not_active Withdrawn
- 2009-07-28 JP JP2011521997A patent/JP5449356B2/ja not_active Expired - Fee Related
- 2009-07-28 CN CN2009800003346A patent/CN101873963B/zh not_active Expired - Fee Related
- 2009-07-28 WO PCT/KR2009/004178 patent/WO2010016673A2/ko active Application Filing
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KR200418803Y1 (ko) | 2006-02-20 | 2006-06-14 | 김시철 | 유성기어 장치를 사용한 자전거의 구동 장치 |
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CN113581358A (zh) * | 2021-09-01 | 2021-11-02 | 北京舆微科技有限公司 | 星轮加速装置及星轮车 |
Also Published As
Publication number | Publication date |
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JP2011529830A (ja) | 2011-12-15 |
CN101873963A (zh) | 2010-10-27 |
JP5449356B2 (ja) | 2014-03-19 |
CN101873963B (zh) | 2013-03-27 |
EP2319753A2 (en) | 2011-05-11 |
WO2010016673A3 (ko) | 2010-06-17 |
EP2319753A4 (en) | 2011-08-10 |
KR100901436B1 (ko) | 2009-06-05 |
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