WO2009151279A2 - Bicyclette - Google Patents

Bicyclette Download PDF

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Publication number
WO2009151279A2
WO2009151279A2 PCT/KR2009/003120 KR2009003120W WO2009151279A2 WO 2009151279 A2 WO2009151279 A2 WO 2009151279A2 KR 2009003120 W KR2009003120 W KR 2009003120W WO 2009151279 A2 WO2009151279 A2 WO 2009151279A2
Authority
WO
WIPO (PCT)
Prior art keywords
rear wheel
latch
pair
bicycle
driven sprocket
Prior art date
Application number
PCT/KR2009/003120
Other languages
English (en)
Korean (ko)
Other versions
WO2009151279A3 (fr
Inventor
최의정
Original Assignee
Choi Eui Jeong
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 Choi Eui Jeong filed Critical Choi Eui Jeong
Publication of WO2009151279A2 publication Critical patent/WO2009151279A2/fr
Publication of WO2009151279A3 publication Critical patent/WO2009151279A3/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
    • 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
    • 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
    • B62M1/36—Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks

Definitions

  • the present invention relates to a bicycle, and more particularly, to a bicycle provided with a pair of power transmission devices for transmitting power by a pedal.
  • Cycling is not only the purpose of transportation that can be quickly moved by human strength, but also a fitness exercise as well as physical endurance. However, riding a bike requires at least 30 minutes and a steady amount of exercise to achieve sufficient exercise.
  • This problem is the biggest obstacle that cannot be activated despite the fact that bicycle riding should be done in many places in Korea where no drop of oil is produced.
  • Conventional bicycles consist of a pair of wheels, a chain, a pedal, a handle for the passenger to steer the front wheel, and the like.
  • the conventional bicycle is provided with a power transmission device for generating power, that is, a pair of sprockets and a chain connecting them, so that the pedal must be forward only for driving, so that the body's muscle development also stepped forward. Only the muscles used during the development was bound to be limited.
  • the present applicant is provided with an additional power transmission device in addition to the existing one power transmission device, even if one of the power transmission device failure occurs a bicycle that can run the bicycle by the other transmission device To develop.
  • Another object of the present invention is to provide a bicycle capable of traveling forward regardless of the rotational direction of the pedals.
  • the chain of any one of the pair of power transmission device is a parallel hook, the other chain is a cross hook, it is possible to drive the bicycle in the forward direction irrespective of the rotation direction of the pedal.
  • the present invention by providing an additional power transmission device in addition to the existing single power transmission device, even if a failure of any one of the power transmission device can be driven by the other power transmission device. It is also possible to travel regardless of the rotational direction of the pedal.
  • FIG. 1 is a perspective view of a bicycle according to the present invention
  • FIG. 1 is a front view of FIG. 1
  • FIG. 3 is a rear view of FIG. 1;
  • FIG. 4 is a plan view of FIG.
  • 5 and 6 are cross-sectional views showing the operation relationship between the one-way clutch and the rear wheel shaft seen from the front of FIG.
  • FIG. 1 to 4 show a bicycle according to the invention.
  • the bicycle according to the present invention the front wheel 11, which is steered by the handle 17, the rear wheel 21 rotated by the rotational force of the pedal 45, the front wheel 11 and the rear wheel And a frame 25 rotatably supporting 21.
  • the front wheel shaft 13 is coupled to the center of the front wheel 11, the front wheel shaft 13 is rotatably supported by the front wheel frame (15).
  • a handle 17 for steering the front wheels 11 is disposed above the front wheel frame 15.
  • the handle 17 is provided with a pair of grippable grips 19.
  • the rear wheel 21 is disposed at a distance from the front wheel 11, the rear wheel shaft 23 is coupled to the center of the rear wheel 21, the rear wheel shaft 23 is rotatably supported on the frame 25. .
  • the frame 25 forms a truss structure connecting the front wheel 11 and the rear wheel 21.
  • the frame 25 located above the front wheel 11 is provided with a fixed shaft 27 through which the front wheel frame 15 penetrates.
  • a saddle 33 On the upper side of the frame 25 between the front wheel 11 and the rear wheel 21 is provided a saddle 33 for the occupant to sit.
  • a rotating shaft 41 which is rotated by the pedal 45 is rotatably installed in the frame 25 between the front wheel 11 and the rear wheel 21.
  • a pair of pedals 45 for rotating the rotary shaft 41 are coupled to both ends of the rotary shaft 41.
  • the rotary shaft 41 and the rear wheel shaft 23 are interconnected by a pair of power trains 50a and 50b.
  • the pair of power trains 50a and 50b are arranged to face each other with the frame 25 interposed therebetween.
  • the power transmission device located on the right side in the forward direction of the bicycle is referred to as the main power transmission device 50a, and the power transmission device located on the left side is called the auxiliary power transmission device 50b.
  • the main power transmission device 50a includes a main drive sprocket 53a mounted to the rotary shaft 41, a plurality of main driven sprockets 55a mounted to the rear wheel shaft 23, a main drive sprocket 53a, and a plurality of them. It has a main chain (57a) for interconnecting any one of the main driven sprocket (55a) of the and transmits the rotational force generated in the rotary shaft 41 to the rear wheel shaft (23).
  • the main driven sprocket 55a blocks power transmission to the rear wheel shaft 23 when rotating in the backward direction of the bicycle, thereby turning the main driven sprocket 55a in the wrong direction.
  • One-way ratchet means (not shown) are provided.
  • the main drive sprocket 53a and the main driven sprocket 55a are mounted at one end of the rotation shaft 41 and the rear wheel shaft 23 so as to form the same plane.
  • the plurality of main driven sprockets 55a have different diameters so that the rotation speed of the rear wheel 21 can be changed by the operation of the shifting unit to be described later.
  • the diameter of the main drive sprocket 53a is preferably larger than the diameter of each main driven sprocket 55a.
  • the main chain 57a is parallel to the main drive sprocket 53a and the main driven sprocket 55a so that the main drive sprocket 53a and the main driven sprocket 55a rotate in the same direction.
  • the auxiliary power transmission device 50b includes an auxiliary drive sprocket 53b attached to the rotary shaft 41, an auxiliary driven sprocket 55b attached to the rear wheel shaft 23, an auxiliary drive sprocket 53b, and an auxiliary driven sprocket. It has an auxiliary chain 57b which interconnects 55b and transmits the rotational force generated in the rotational shaft 41 to the rear wheel shaft 23.
  • the auxiliary drive sprocket 53b and the auxiliary driven sprocket 55b are spaced apart from the main drive sprocket 53a and the main driven sprocket 55a, respectively, and have the same plane at the other ends of the rotating shaft 41 and the rear wheel shaft 23. It is equipped with it.
  • the auxiliary drive sprocket 53b and the auxiliary driven sprocket 55b have the same diameter.
  • the diameter of the auxiliary drive sprocket 53b is preferably larger than the diameter of the auxiliary driven sprocket 55b.
  • the auxiliary chain 57b is crosswise hooked to the auxiliary drive sprocket 53b and the auxiliary driven sprocket 55b so that the auxiliary drive sprocket 53b and the auxiliary driven sprocket 55b rotate in different directions.
  • the one-way clutch 61 having the configuration of the hub 63, the latch wheel 65, the latch protrusion 69, and the spring 71 is accommodated in the clutch housing 73 (see FIG. 1).
  • the auxiliary drive sprocket 53b rotates in the same forward direction as the rotation shaft 41, but the auxiliary driven sprocket 55b is rotated by the auxiliary chain 57b.
  • the direction is changed to rotate in the reverse direction of the bicycle opposite to the auxiliary drive sprocket 53b, that is, for convenience of description, as shown in FIG. 6, the auxiliary driven sprocket 55b and the latch wheel 65 are clockwise.
  • the latch protrusion 69 is not caught by the latch groove 67 of the latch wheel 65.
  • the auxiliary driven sprocket 55b and the latch wheel 65 are idling along the outer circumference of the hub 63, so that the rotational force of the auxiliary driven sprocket 55b is not transmitted to the rear wheel shaft 23.
  • the auxiliary drive sprocket 53b rotates in the same reverse direction as the rotating shaft 41, but the auxiliary driven sprocket 55b is driven by the auxiliary chain 57b.
  • the rotational direction is changed to rotate in the forward direction of the bicycle opposite to the auxiliary drive sprocket 53b, that is, for convenience of description, as shown in FIG. 5, the auxiliary driven sprocket 55b and the latch wheel 65 are in half.
  • the latch protrusion 69 is held by the latch groove 67 of the latch wheel 65. Accordingly, the latch wheel 65 and the hub 63 rotate together in the same direction, so that the rear wheel shaft 23 coupled with the hub 63 rotates in the forward direction of the bicycle.
  • the rear wheel 21 is driven by the rotational force transmitted through the auxiliary power transmission device 50b so that the bicycle travels in the forward direction, and the main power transmission device 50a.
  • the rotational force transmitted through does not affect the driving of the rear wheel 21 at all.
  • a pair of power transmission devices are disposed on the rotating shaft and the rear wheel shaft at opposite intervals, and the rotational force of the rear wheel shaft is not transmitted to the driven sprocket between the driven sprocket and the rear wheel shaft of each power transmission device.
  • a one-way clutch for intermittent rotation of the rear wheel shaft is not provided to any of the driven sprockets of the pair of power transmission units, and the chain of any one of the pair of power transmission units is a parallel hook, and a pair of power
  • the other chain of the transmission device is cross-crossed, so that it can travel regardless of the rotational direction of the pedal.
  • power is transmitted to the rear wheels by rotating the pedals in either the forward or backward direction of the bike, making it easier to climb the hills than when turning the pedals only in the forward direction.
  • the fun of riding a bike is doubled, and the exercise effect based on the interest can be expected greatly.
  • any one chain of the power transmission device is a parallel hook, and the other chain is a cross hook, but the chain of each power transmission device is parallel hook, Increasing the rear wheel rotational force, and if one power train fails, the other can drive the bike.
  • the driving sprocket and the driven sprocket are described as being connected to each other by a chain to transmit the rotational force of the pedals. Of course it can be delivered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

Bicyclette comprenant un cadre recevant une roue avant et une roue arrière; un arbre de pédalier monté rotatif dans le cadre; une paire de pédales faisant tourner l'arbre; un essieu arrière monté rotatif dans le cadre, solidaire de la roue arrière; et une paire de dispositifs de transmission comprenant chacun un plateau d'entraînement monté sur l'arbre de pédalier, un pignon asservi monté sur l'essieu arrière et une chaîne reliant le plateau d'entraînement et le pignon asservi. Comme elle comprend un double dispositif de transmission pour la transmission de la puissance via les pédales, la bicyclette de l'invention peut fonctionner sur un seul de ces dispositifs en cas de défaillance de l'autre dispositif de transmission.
PCT/KR2009/003120 2008-06-10 2009-06-10 Bicyclette WO2009151279A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080054009A KR20090128031A (ko) 2008-06-10 2008-06-10 자전거
KR10-2008-0054009 2008-06-10

Publications (2)

Publication Number Publication Date
WO2009151279A2 true WO2009151279A2 (fr) 2009-12-17
WO2009151279A3 WO2009151279A3 (fr) 2010-04-01

Family

ID=41417252

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/003120 WO2009151279A2 (fr) 2008-06-10 2009-06-10 Bicyclette

Country Status (2)

Country Link
KR (1) KR20090128031A (fr)
WO (1) WO2009151279A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9528562B1 (en) 2015-12-07 2016-12-27 International Business Machines Corporation Interlock braking system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200461102Y1 (ko) * 2010-11-08 2012-06-29 정시영 자전거의 동력전달구조

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999626A (en) * 1971-04-16 1976-12-28 Adams William M Apparatus and seismic method
US5292286A (en) * 1992-05-14 1994-03-08 Lan Jin Hua Bicycle power train assembly
KR940007212B1 (ko) * 1991-05-20 1994-08-10 김청석 자전거 전동장치
KR19980010550U (ko) * 1996-08-08 1998-05-15 박춘길 자전거 전진 구동장치
KR20030067016A (ko) * 2002-02-06 2003-08-14 메리디언레포츠 주식회사 자전거의 추진장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999626A (en) * 1971-04-16 1976-12-28 Adams William M Apparatus and seismic method
KR940007212B1 (ko) * 1991-05-20 1994-08-10 김청석 자전거 전동장치
US5292286A (en) * 1992-05-14 1994-03-08 Lan Jin Hua Bicycle power train assembly
KR19980010550U (ko) * 1996-08-08 1998-05-15 박춘길 자전거 전진 구동장치
KR20030067016A (ko) * 2002-02-06 2003-08-14 메리디언레포츠 주식회사 자전거의 추진장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9528562B1 (en) 2015-12-07 2016-12-27 International Business Machines Corporation Interlock braking system

Also Published As

Publication number Publication date
WO2009151279A3 (fr) 2010-04-01
KR20090128031A (ko) 2009-12-15

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