IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0440030
(1982-11-08)
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우선권정보 |
DE-0044884 (1981-11-12); DE-0008345 (1982-03-09) |
발명자
/ 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
27 인용 특허 :
2 |
초록
A bicycle is provided with a pedal drive and an electrodrive with an electromotor. They both are mounted on the boss of the rear wheel of the bicycle and can operate together or separately due to the provision thereof with individual freewheeling devices.
대표청구항
▼
1. A bicycle having a rear wheel boss and a drive, said drive comprising: a pedal drive including a first chain plate which engages a chain that in turn engages and drives said rear wheel boss; an electrodrive including an electromotor having a free wheeling device and which drives a second chain pl
1. A bicycle having a rear wheel boss and a drive, said drive comprising: a pedal drive including a first chain plate which engages a chain that in turn engages and drives said rear wheel boss; an electrodrive including an electromotor having a free wheeling device and which drives a second chain plate which in turn drives said chain which engages and drives said rear wheel boss, said electrodrive and said pedal drive being operable together and individually on said rear wheel boss; a first free wheeling device mounted on said first chain plate; and a second free wheeling device mounted on said second chain plate. 2. A bicycle having a rear wheel boss and a drive, said drive comprising an electrodrive including an electromotor and a pedal drive, said electrodrive and said pedal drive being operated together but individually, said electrodrive and pedal drive being mounted on the rear wheel boss, said pedal drive being provided with a first free wheeling device, said electrodrive being provided with a second free wheeling device, said drive further comprising a multistage compact planetary gear provided on the rear wheel boss and having four to five stages on which said pedal drive and said electrodrive operate simultaneously to or separately from each other. 3. Bicycle in accordance with claim 2, having a rear wheel (44), a rear chain wheel (24) and an additional chain wheel (25) and in which a clutch in the form of two belt disc halves (34, 35) is provided between the chain wheel (25) driven by the electromotor (15) and the rear wheel (44), one disc half (34) being mounted on a disc wheel (33) and the other disc half (35) being mounted on the rear wheel, and the belt disc halves being connected with each other by means of a tensioned V-belt (36). 4. A bicycle having a rear wheel boss and a drive, said drive comprising an electrodrive including an electromotor and a pedal drive, said electrodrive and said pedal drive being operated together but individually, said electrodrive and pedal drive being mounted on the rear wheel boss, said pedal drive having a first chain plate with spokes, and further being provided with a first free wheeling device in the area between the spokes of said first chain plate, said electrodrive being provided with a second free wheeling device mounted on a second chain plate. 5. Bicycle in accordance with claim 4, characterized in that a common drive chain (45) for driving the rear wheel boss is provided which engages the chain plate (12) of the pedal drive and a driving pinion (16) of the electromotor (15). 6. Bicycle in accordance with claim 5, characterized in that the electrodrive has a driving pinion connected to the electromotor and driven thereby and behind the driving pinion (16) as seen in the driving direction, a chain tightener (46, 47) for acting on the chain (45) in the direction from above for generating a sufficiently dimensioned looping angle of the driving pinion (16), and that the rotating direction of the drive pinion engaging the chain and being driven by the electromotor is reversed with respect to the rotating direction of the chain plate (12) of the pedal drive. 7. Bicycle in accordance with claim 6, having a bottom bracket bearing housing (19) and characterized in that two rear wheel fork tubes (26, 27) are provided which are pivotably mounted as a structural unit about the axis of the bottom bracket bearing housing (19), and that the two rear fork tubes are connected with each other by a transverse crosstie rod (28) at a distance required for a pivot mounting, the transverse crosstie rod supporting the electromotor (15). 8. Bicycle in accordance with claim 7, characterized in that the transverse crosstie rod (28) is designed as a tube which receives the electromotor (15). 9. Bicycle in accordance with claim 8, characterized by a driving speed scanning device, in particular by an electronic pulse scanning with which the electromotor (15) can only be switched on when the bicycle reaches a minimum speed. 10. Bicycle in accordance with claim 9, characterized by a control device which controls the motor power of the switchable electromotor (15) in relation to the drive power generated by the driver through the pedal drive (12). 11. Bicycle in accordance with claim 10, characterized in that the percentage proportion of the power generated through pedal drive (12) and the power generated by the electromotor (15) with respect to the total drive power is electronically controlled and is preadjustable by means of adjustment means (62, 63, 64). 12. Bicycle in accordance with claim 10, having a front wheel with a rim and characterized in that magnets (301) are mounted on the circumference of the rim (300) of the front wheel, which are circumferentially uniformly spaced from each other and that on the side of the rim of the front wheel positioned opposite to the magnets at least one coil (303) is mounted. 13. Bicycle in accordance with claim 10, characterized in that the control device is provided with an electrical time member for smoothing the mechanical load peeks of the pedal drive (12). 14. Bicycle in accordance with claim 13, characterized in that a first mounting (102, 103) is provided which is welded on a crosstie rod (100) for connecting the two rear fork tubes and that on a seat tube (106) a second mounting is also welded, and that an easily exchangeable rubber block (110) is provided between these two mountings. 15. Bicycle in accordance with claim 11, characterized in that a metering device is provided for the pedal drive (12) which scans the power generated by the driver in the pedal drive and that the value of that power acts for controlling the drive power of the electromotor (15), and that a further adjustment device (62) is provided which can be adjusted by the driver and which controls the percentage ratio of the drive power of the electromotor (15) to the drive power generated by the pedal drive (12). 16. Bicycle in accordance with claim 15, characterized in that the power generated by the driver through the pedal drive (12) is transmitted through a first potentiometer (60) and a pulse control for controlling the drive power of the electromotor (15), and that a second potentiometer (62) is provided which is adjustable by the driver for controlling the percentage ratio or the drive power by means of the pedal power and/or the electromotor. 17. Bicycle in accordance with claim 16, characterized in that the metering device includes a chain tightener (51, 52), having a rotational axis and provided with a spring (57), and a lever (52), the lever connected to rotating elements of the first potentiometer (60). 18. Bicycle in accordance with claim 17, characterized in that the metering device further includes an adjustment screw (59) having a slot and the spring (57) of the chain tightener (51, 52) is adjustable to the specific power intended by the given driver with its force acting on the chain tightener and is designed as a volute buffer spring, whereby the outer end engages on the lever (52) of the chain tightener and the other inner end engages the slot of the adjustable screw (59) which adjusts the spring tension. 19. Bicycle in accordance with claim 15, characterized in that the metering device includes a deformable element (68), made of rubber or plastic and which is associated with the pedal drive, that the power exerted on the pedal drive is transmitted to said deformable element and that a metering device (76, 79) is provided which determines the deformation whose value influences the power of the electromotor in conjunction with an associated control. 20. Bicycle in accordance with claim 19, characterized in that the bottom bracket bearing housing (19) includes an outer bottom bracket bearings tube (69) and a coaxial inner bottom bracket bearings tube (66) positioned at a radial distance therefrom to form a space therebetween, and in the space between the outer bottom bracket bearings tube and the inner bottom bracket bearings tube a ring (68) of deformable material is provided, and that a piezoelectric pressure absorber (76) is provided which engages on an outer face of the inner bottom bracket bearings tube (66). 21. Bicycle in accordance with claim 15, characterized in that the metering device includes a deformable element (84) of rubber or plastic and which is positioned on a rim of the chain plate of the pedal drive, a first permanent magnet disc (94) mounted on the deformable element, a second permanent magnetic disc (95) mounted on the bottom bracket bearing tube (78) opposite and at a distance from the first permanent magnet disc, said distance being changed upon the deformation of said deformable element (84), and a metering receiver (96) for electromagnetic field forces, in form of a magnetometer for determing the changeable distance between the two magnetic discs. 22. Bicycle in accordance with claim 21, characterized in that the deformable element is designed as a ring and is mounted between the spokes (81, 82, 83) of the chain plate, thus connecting the same. 23. A bicycle having a front wheel fork with a steering head tube, a rear wheel boss and a drive, said drive comprising an electrodrive and a pedal drive, said electrodrive and said pedal drive being operated together but individually, said electrodrive and pedal drive being mounted on the rear wheel boss and provided with a first free wheeling device for the pedal drive and a second free wheeling device for the electrodrive, said front wheel fork being provided with a suspension positioned in said steering head tube. 24. Bicycle in accordance with claim 23, having a steering head tube and a fork tube and characterized in that a guide tube (204) is provided in the steering head tube (201) which in the upper and lower area thereof is formed with grooves on two opposite sides thereof in the form of outwardly directed stamp outs for receiving balls (207) and that the fork tube (211) is mounted in the guide tube (204) and the fork tube is provided in the upper and lower area thereof with grooves on opposite sides in the form of inwardly directed stamp outs for receiving the aforementioned balls, and that inside the fork tube a spring element (214) is provided which is supported on an upper abutment face (215) formed in the guide tube (204). 25. A bicycle having a rear wheel boss and a drive, said drive comprising an electrodrive and a pedal drive, said electrodrive and said pedal drive being operated together but individually, said electrodrive and pedal drive being mounted on the rear wheel boss, said pedal drive being provided with a first free wheeling device mounted on a first chain plate, said electrodrive being provided with a second free wheeling device being mounted on a second chain plate, said electrodrive including an electromotor, said bicycle further including an upper frame tube and a lower frame tube spaced from each other to form a space therebetween and characterized in that the space between the lower frame tube and the upper frame tube is provided with a covering and that batteries for the electromotor are provided in this covering. 26. A bicycle having a rear wheel boss and a drive, said drive comprising an electrodrive and a pedal drive, said electrodrive and said pedal drive being mounted on the rear wheel boss and provided with a first freewheeling device for the pedal drive and a second freewheeling device for the electrodrive, said electrodrive including an electromotor, said bicycle further having a driving speed scanning device, in particular by an electronic pulse scanning with which the electromotor can only be switched on when the bicycle reaches a minimum speed of about one meter per second.
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