WO2013042825A1 - Dispositif d'accélération pour bicyclette - Google Patents

Dispositif d'accélération pour bicyclette Download PDF

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Publication number
WO2013042825A1
WO2013042825A1 PCT/KR2011/009251 KR2011009251W WO2013042825A1 WO 2013042825 A1 WO2013042825 A1 WO 2013042825A1 KR 2011009251 W KR2011009251 W KR 2011009251W WO 2013042825 A1 WO2013042825 A1 WO 2013042825A1
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WO
WIPO (PCT)
Prior art keywords
gear
planetary gear
latch
bearing
chain
Prior art date
Application number
PCT/KR2011/009251
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English (en)
Korean (ko)
Inventor
서달원
Original Assignee
(주) 에프엑스기어
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
Application filed by (주) 에프엑스기어 filed Critical (주) 에프엑스기어
Publication of WO2013042825A1 publication Critical patent/WO2013042825A1/fr

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Classifications

    • 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
    • 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
    • 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
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion

Definitions

  • the present invention relates to a bicycle accelerator, and more particularly, is installed on the hub shaft of the bicycle driven by the chain, even when the pedal is rotated in the reverse direction while driving to reverse the driving direction of the chain in the opposite direction, the chain is overloaded
  • the invention relates to a smooth and smooth reverse rotation without impacting the chain due to jamming or momentary reverse driving.
  • bicycles are used for the purpose of transportation and fitness.
  • the bicycle is composed of the front wheel and the rear wheel from the body frame, and the chain becomes a power transmission medium around the crankshaft where the pedal is installed between the front wheel and the rear wheel to drive the driving wheel installed on the rear wheel to drive the bicycle.
  • sprockets formed on one side of the crankshaft where the pedals are installed or sprockets formed on the side of the driving wheel, which are the rear wheels, have different diameters of the multi-stage sprockets. It is installed to change the position of the chain so that you can enjoy various speeds.
  • the bicycle using the transmission as described above is known as a bicycle accelerator for improving the running speed of the Republic of Korea Utility Model Registration No. 20-0453246 (registration date: April 08, 2011) registered by the present applicant.
  • the present invention is installed on the hub shaft 12 in which the driving wheel 10 of the bicycle is installed to rotate the driving wheel provided with the chain gear S2 from the pedal side drive chain gear S1 to the medium as a medium.
  • the accelerator equipped with planetary gear, sun gear and ring gear inside In the accelerator equipped with planetary gear, sun gear and ring gear inside,
  • the accelerator is penetrated and fixed to the gear type coupling jaw 12a of the hub shaft 12 through the hub shaft 12 provided with the driving wheel, and the sun gear 101 is integrally provided on the center line thereof.
  • the outer diameter is provided with a hub bush 102 provided with a bearing ball 112 at the leading end portion and the intermediate portion.
  • the hub bush 102 On the basis of the installation of the hub bush 102 is installed so as to accommodate the bearing ball 112 in the outer diameter of the hub bush 102 is installed in the ball guide groove (108b) formed in the inner diameter of the gear housing 108 do.
  • the planetary gear 103 is rotatably installed on one side of the gear cover 106 from the fixed shaft 104 in which the planetary gear 103 meshed with the sun gear 101 is integrally formed.
  • the gear housing 108 is installed in the form of accommodating one side of the hub bush 102 while penetrating from the line of 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.
  • 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.
  • the engaging jaw (12a) of the gear type of () by fitting to the engaging jaw (108a), it is possible to finally install the accelerator 100 from the hub shaft (12).
  • the fixed hook 109b on the rocker 109 passes through the end of the bicycle body 1 and then completes the assembly of the bicycle by fastening the nut.
  • 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 S7 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 configured to be coupled to the gear cover 110 to be described later.
  • 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 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 S7) use the chain (C) connecting them to the medium for each rotation of the pedal by one 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 only installed on the hub wheel 12 side of the drive wheel 10 can be simply installed without the installation of 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 made to rotate with the gear cover 110 fastened to the body as chain gears (S2 ⁇ S7). Due to the bearing ball 112 installed at the front end and the middle part in the outer diameter of the hub bush 102, the friction with respect to the rotation of the sun bush 101 side of the hub bush 102 is fastened to the hub shaft 12 is reduced.
  • the planetary gear device 100 applied to each rotating device is installed in the planetary gear device 100, which is rotated by the fixed shaft 104 of one side of the gear cover 106 provided with the chain gear S2, as well known.
  • 103 is a power transmission of rotation of the sun gear 101 together with the hub shaft 12 at a double speed while revolving from the ring gear 107 on the housing 108 side, wherein the sun gear 101 It is possible to rotate at a high speed the hub shaft 12 of the drive wheel (10) associated with the same axis.
  • 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.
  • the efficient driving speed of the bicycle can be increased to provide users 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.
  • the present invention has been made to solve the above-mentioned conventional problems, to reduce the running speed while driving, stop the pedal or stop the pedal in the wet or stop the pedal in the moment, or rotate in the reverse direction to drive speed
  • the purpose of the present invention is to prevent damage caused by overload or momentary impact on the chain, which is a power transmission medium, and to smoothly rotate in the reverse direction without burden.
  • the accelerator is installed on the hub shaft where the driving wheel of the bicycle is installed and the planetary gear, the sun gear, and the ring gear are installed inside to rotate the driving wheel equipped with the chain gear from the pedal side drive chain gear to the medium at double speed. It is penetrated on the hub shaft where the driving wheel is installed and fastened to the coupling jaw of the gear type of the hub shaft.
  • the sun gear is integrally provided on the center line, and the bearing ball is installed at the front end and the middle part at the outer diameter. While being installed in a form that accommodates one side of the gear cover, a ring gear is provided on the inner diameter so that the planetary gear is inscribed, and the hub bush is formed in the inner diameter penetrating the hub shaft is formed with a coupling type jaw;
  • the ball guide groove is formed in the inner diameter to be installed so as to enable the bearing ball to be mounted to the front end and the middle of the outer diameter of the hub bush,
  • a ring housing is provided at an inner diameter such that a planetary gear is inscribed, and a gear housing having an engaging protrusion arranged at an outer diameter penetrating the hub shaft;
  • a coupling jaw is formed in the inner diameter to be coupled to the coupling jaw of the gear type provided on the hub axis to be installed through the bicycle body, and on the circumference, a coupling protrusion and the sun gear are guided and coupled to the coupling housing coupling jaw.
  • a rocker provided with a coupling protrusion guided to the inner diameter of the hub bush;
  • the gear cover accommodates a planetary gear carrier in which the sun gear and the planetary gear are rotatably installed, and a gear housing in which the sun gear and the planetary gear are inserted, and a chain gear having a different diameter in the outer side of the transmission body is installed in multiple stages.
  • the planetary gear carrier is formed in a hollow ring shape to form a planetary gear rotating shaft in which a planetary gear is rotatably installed on one side, and a plurality of balls are formed in a circular shape on the other side.
  • the seated bearing ball insertion groove is formed, and three to four curved concave latch insertion grooves and a cross-section "c" shaped latch spring insertion groove are formed in the outer circumferential direction and the latch insertion groove is formed.
  • a latch having a latch spring fixing groove is inserted into a central portion thereof, and has a resiliency to fix the latch on the outer side of the planetary gear carrier.
  • the ring-shaped latch spring is formed by being interlocked with the latch spring insertion groove formed in the outer circumference of the planetary gear carrier and the latch spring fixing groove provided in the center of the latch, and the transmission cover is formed in a cap shape to the inner center.
  • a bearing insertion groove into which a bearing is inserted is formed, and a planetary gear carrier insertion groove into which a planetary gear carrier is inserted is formed at an outer side of the bearing insertion groove, and a plurality of spheres are formed between the bearing insertion groove and the planetary gear carrier insertion groove.
  • the bearing ball insertion groove is formed to seat the bearing ball made of a circular shape, the inner peripheral edge of the transmission cover is formed so that the wedge-shaped latch engaging hole is connected in the form of a cog wheel, the sun gear and planetary gear Planetary gear carriers are installed rotatably to accommodate gear housings and chain gears of different diameters are installed in multiple stages on the outside. It is characterized in that the insert is formed to the inside of the transmission cover coupled to the outer side of the transmission body.
  • the bicycle accelerator according to the present invention rotates the pedal in the reverse direction while the bicycle is running, and even if the chain is turned in the opposite direction, the chain is smoothly rotated without being loaded or impacted due to momentary reverse driving.
  • This enables the lower body movement to be reversed rather than in the forward direction, while viewing the surrounding scenery or watching the surroundings, and can also perform more exercise effects by continuously performing lower body movements while having a simple conversation. It is an excellent effect.
  • FIG. 1 is an exploded perspective view showing a conventional accelerator for a bicycle for improving the traveling speed.
  • FIG. 3 is an exploded perspective view showing a bicycle accelerator according to the present invention.
  • Figure 4 (a) and (b) is a side cross-sectional view showing a bicycle accelerator according to the present invention, (a) is an exploded side cross-sectional view showing an exploded state, (b) shows a combined state One side view of the coupling state.
  • FIG. 6 (a) and (b) is a front sectional view of the operation state of the bicycle accelerator according to the present invention shown in an enlarged portion "A" of Figure 5, (a) is a front sectional view of the state to rotate in the forward direction , (B) is a sectional front view of the state rotating in the reverse direction.
  • Figure 7 is a partial perspective view of the latch is coupled to the latch spring showing a bicycle accelerator according to the present invention.
  • the bicycle accelerator according to the present invention has a planetary gear carrier 210 and the sun gear 101 and the planetary gear 103 is installed so that the planetary gear 103 is rotatably installed on the outer periphery of the sun gear 101 It is composed of a transmission cover 230 which accommodates the gear housing 108 to be inserted and is coupled to the outside of the transmission body 111 in which chain gears S2 to S7 having different diameters are installed in multiple stages on the outside.
  • the planetary gear carrier 210 is formed in a hollow ring shape and a planetary gear rotating shaft 213 is formed to be rotatably inserted and fixed to the planetary gear 103 provided on the outer periphery of the sun gear 101 on one side.
  • a plurality of spheres are formed in a circular shape, and a bearing ball insertion groove 210a is formed in which a bearing ball 112 which exhibits a smooth rotational force by reducing frictional force is seated.
  • curved concave latch insertion grooves 215 and a latch spring insertion groove 214 having a cross-sectional shape in a “c” shape in the outer circumferential outer direction of the planetary gear carrier 210 are formed. Is formed.
  • a latch 211 having a latch spring fixing groove 212 is inserted into a center of the latch insertion groove 215.
  • the transmission cover 230 is formed in a cap shape is formed a bearing insertion groove 232 is inserted into the bearing (B) to smoothly rotate by reducing the friction in the inner center, the outer side of the bearing insertion groove 232
  • the planetary gear carrier insertion groove 233 into which the planetary gear carrier 210 having the latch spring 220 and the latch 211 are inserted is formed.
  • a bearing ball insertion groove 230a is formed between the bearing insertion groove 232 and the planetary gear carrier insertion groove 233 in which a bearing ball 112 having a plurality of balls is formed in a circular shape is formed. ) Is seated.
  • the inner circumferential edge of the transmission cover 230 is formed so that the wedge-shaped latching latches 231 are connected to each other so as to face one direction in the form of a cogwheel, and the sun gear 101 and the planetary gear 103 are
  • the planetary gear carrier 210 that is rotatably installed receives a gear housing 108 and a transmission cover coupled to the outside of the transmission body 111 in which chain gears S2 to S7 having different diameters are installed in multiple stages on the outside.
  • the latch 211 is formed to be inserted into the inside of the 230, the latch 211 formed on the outer side of the planetary gear carrier 210 in the latch latch 231 is engaged with each other.
  • the planetary gear carrier that the sun gear 101 and the planetary gear 103 is rotatably installed (
  • the latch 211 formed at the outer circumference of the 210 is elastically fixed to the planetary gear carrier 210 by the latch spring 220, and has a wedge shape formed in one direction on the inner circumference of the transmission cover 230 in one direction.
  • the latching latch 231 is inserted so as to be caught by the latching latch 231 of FIG. 5 and the latching latch 231 is formed to face in one direction when the user rotates the pedal of the bicycle.
  • the latch spring 220 is expanded so as not to deviate outward from the concentric circle so that the latch spring 220 is oriented in one direction so as to allow smooth running.
  • the latch catching holes 231 formed on the inner circumferential edge of the transmission cover 230 are formed high in the driving direction and low in the reverse driving direction, so the latch 211 is elastically flexible from a low place to a high place. Since the planetary gear carrier 210 can be rotated smoothly in the forward direction, it is possible to achieve rapid driving. On the contrary, when the user rotates the pedal of the bicycle in the opposite direction, FIGS. In contrast to the above, as shown in (b) of the latch 211, the latch 211 is separated outwardly by the latching latch 231 formed on the inner circumference of the shift cover 230, The gear carrier 210 is to rotate in the reverse direction.
  • the planetary gear carrier 210 can be freely rotated in the forward direction or the reverse direction, so that the pedal can be smoothly rotated without being caught or impacted even when the pedal is rotated in the forward direction or the reverse direction.
  • the present invention is installed on the hub shaft of the bicycle driven by the chain, even if the pedal is rotated in the reverse direction while driving to reverse the driving direction of the chain in the opposite direction, the chain is overloaded or impacted by the chain due to momentary reverse driving It is related to the industrial applicability by allowing a smooth and smooth reverse rotation without losing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Transmission Devices (AREA)
  • Structure Of Transmissions (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

La présente invention se rapporte à un dispositif d'accélération pour bicyclette, et plus particulièrement à un dispositif d'accélération pour bicyclette qui est installé sur un arbre de moyeu d'une bicyclette qu'entraîne une chaîne, et qui empêche une surcharge exercée sur une chaîne ou un choc transmis à la chaîne en raison d'une inversion soudaine même lorsque les pédales tournent dans le sens inverse pendant le déplacement et que la direction entraînée de la chaîne tourne en sens inverse, et permet une inversion douce et régulière. La présente invention se rapporte à un dispositif d'accélération pour bicyclette destiné à augmenter la vitesse de déplacement, comprenant : un dispositif d'accélération (100) comprenant un manchon (102) de moyeu ; un couvercle d'engrenage (110) ; un carter d'engrenage (108) ; un culbuteur (109) ; et un corps de transmission (111). Le couvercle d'engrenage (110) se compose : d'un support (210) de satellite installé de sorte qu'un planétaire (101) et un satellite (103) puissent tourner ; et d'un cache de dérailleur (230) recevant un carter d'engrenage (108) dans lequel le planétaire (101) et le satellite (103) sont insérés, et accouplé à l'extérieur du corps de transmission (111) comprenant des engrenages à chaîne (S2 à S7) ayant des diamètres mutuellement différents et installés par paliers sur l'extérieur de celui-ci. Le support (210) de satellite a la forme d'un anneau creux, et comprend : un arbre de rotation (213) de satellite, sur lequel le satellite (103) est installé rotatif, formé sur un côté de celui-ci, et portant des évidements d'insertion (210a) formés de l'autre côté de celui-ci, dans lesquels sont logées des billes de roulement (112) formées en tant que pluralité de sphères rondes ; de 3 à 4 rainures d'insertion (215) d'organe de verrouillage évidées et un évidement d'insertion (214) de ressort de verrouillage ayant une forme de « ㄷ » en coupe transversale formé vers l'extérieur sur la périphérie extérieure de celles-ci ; et un organe de verrouillage (211), au centre duquel se trouve une rainure de fixation (212) de ressort de verrouillage, introduit dans la rainure d'insertion (215) d'organe de verrouillage. Un ressort de verrouillage annulaire (220) ayant une élasticité et fixant l'organe de verrouillage (211) sur l'extérieur du support (210) de satellite est formé introduit en liaison avec la rainure d'insertion (214) de ressort de verrouillage formée sur la périphérie extérieure du support (210) de satellite et sur la rainure de fixation (212) de ressort de verrouillage située au centre de l'organe de verrouillage (211), le cache de dérailleur (230) a la forme d'un couvercle et possède une rainure d'insertion (232) de roulement formée dans celui-ci et ayant un roulement (B) introduit dans un centre intérieur de celui-ci, une rainure d'insertion (233) de support de satellite dans laquelle est inséré le support (210) de satellite est formée dans l'extérieur de la rainure d'insertion (232) de roulement, une rainure d'insertion (230a) de bille de roulement, dans laquelle sont logées plusieurs billes de roulement sphériques (112) agencées en cercle, est formée entre la rainure d'insertion (232) de roulement et la rainure d'insertion (233) de support de satellite, une pièce de préhension (231) d'organe de verrouillage en forme de coin est formée pour relier et saisir la périphérie intérieure globale du cache de dérailleur (230) sous la forme d'une roue en dents de scie, et le support (210) de satellite possédant le planétaire (101) et le satellite (103) installés rotatifs su celui-ci est formé inséré dans le cache de dérailleur (230) qui loge le carter d'engrenage (108) et est accouplé à l'extérieur du corps de transmission (111) possédant les engrenages à chaîne (S2 à S7) de diamètres mutuellement différents installés par paliers sur l'extérieur de celui-ci.
PCT/KR2011/009251 2011-09-19 2011-12-01 Dispositif d'accélération pour bicyclette WO2013042825A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110093817A KR101089683B1 (ko) 2011-09-19 2011-09-19 자전거 가속장치
KR10-2011-0093817 2011-09-19

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WO2013042825A1 true WO2013042825A1 (fr) 2013-03-28

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WO (1) WO2013042825A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016090870A1 (fr) * 2014-12-10 2016-06-16 长丰集团有限责任公司 Transmission automatique à deux vitesses et à entraînement à planétaire
JP2018507822A (ja) * 2015-02-27 2018-03-22 エフエックスギア カンパニー, リミテッドFxgear Co., Ltd. 加速減速ギア装置

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KR20140067917A (ko) * 2012-11-27 2014-06-05 이경희 자전거 변속장치
KR20160093252A (ko) 2015-01-29 2016-08-08 (주) 에프엑스기어 주행속도 향상을 위한 자전거용 가속장치
CN107489742B (zh) * 2017-08-14 2019-07-19 永祺（中国）车业股份有限公司 传动轴与变速箱一体式传动结构
KR102049658B1 (ko) * 2018-03-07 2020-01-08 이문구 자전거 가속동력구동장치
CN109185406B (zh) * 2018-11-14 2023-09-22 张家港川梭车业有限公司 一种单后轮直驱变速器
KR101971562B1 (ko) * 2018-11-26 2019-08-14 한장영 회전력을 증가시키기 위한 크랭크 가변속 기어장치

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JPH06227477A (ja) * 1993-02-04 1994-08-16 Bridgestone Cycle Co 自転車用変速機の変速切換装置
KR100225752B1 (ko) * 1997-06-19 1999-10-15 마재열 자전거 허브의 역구동력 속도변환장치
KR100280849B1 (ko) * 1997-06-09 2001-02-01 마재열 자전거의 변환 전진구동 주행장치
JP2007113711A (ja) * 2005-10-21 2007-05-10 Shimano Inc 自転車用フリーホイール
KR200453246Y1 (ko) * 2009-07-16 2011-04-20 주식회사 솔텍 주행속도 향상을 위한 자전거용 가속장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06227477A (ja) * 1993-02-04 1994-08-16 Bridgestone Cycle Co 自転車用変速機の変速切換装置
KR100280849B1 (ko) * 1997-06-09 2001-02-01 마재열 자전거의 변환 전진구동 주행장치
KR100225752B1 (ko) * 1997-06-19 1999-10-15 마재열 자전거 허브의 역구동력 속도변환장치
JP2007113711A (ja) * 2005-10-21 2007-05-10 Shimano Inc 自転車用フリーホイール
KR200453246Y1 (ko) * 2009-07-16 2011-04-20 주식회사 솔텍 주행속도 향상을 위한 자전거용 가속장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016090870A1 (fr) * 2014-12-10 2016-06-16 长丰集团有限责任公司 Transmission automatique à deux vitesses et à entraînement à planétaire
JP2018507822A (ja) * 2015-02-27 2018-03-22 エフエックスギア カンパニー, リミテッドFxgear Co., Ltd. 加速減速ギア装置

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