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
  • B62M11/02—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of unchangeable ratio
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
  • B62K1/00—Unicycles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
  • B62K17/00—Cycles not otherwise provided for
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
  • B62K3/00—Bicycles
  • B62K3/002—Bicycles without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
• • 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
• • 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
  • B62M15/00—Transmissions characterised by use of crank shafts and coupling rods

Definitions

• the present invention relates to a front wheel drive vehicle having no chain, and more particularly to such a vehicle which is configured to be compact in its size while performing a function of vehicles such as a bicycle, a kick board and the like, and in which a front wheel having no chain is adopted in the drive system thereof, thereby providing vehicles having convenient portability, and capable of being modified in a various applications of vehicles, as well as ensuring safety in driving thereof and its low failure rate.
• a bicycle is a vehicle which is utilized very usefully as a short-distance travel means.
• the vehicle comprises a front wheel and a rear wheel axially connected to a frame thereof, a pedal mounted to the frame for transforming a foot-stepping force to a rotational force thereof, and a sprocket axially mounted to a driving shaft to which the pedal is coupled and to the central shaft of the rear wheel, respectively, the sprocket being configured in the form of a chain ring.
• a bicycle has drawbacks in that since its entire size is too big, it is difficult to store it, difficult for especially, women or children and the like to ride thereon, and impossible to it change to other vehicles (i.e., a kick board) in usage.
• the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a vehicle which can be configured to be used for alternative of uses, i.e., a bicycle or a kick board.
• the present invention has been completed to address the above technical problem, and provides a front wheel drive vehicle having no chain, in which a foot-stepping type or electrically-operated type drive means having no chain is mounted at the inner side of a ring of the front wheel which is large in diameter, in which a handle is axially mounted on an upper side of a frame to which the drive means is mounted, in such a fashion as to be pivotally rotated, in which a base frame with a rear wheel axially mounted thereto is axially mounted to the rear side of the frame in such a fashion as to be pivotally rotated, and in which a collapsible saddle is mounted to the base frame so that a rider can selectively use either a bicycle or a kick board, whereby children or women can easily utilize as a bicycle or a kick board.
• the front wheel drive vehicle having no chain is compact in its size so as to allow easy portability and storage, as well as to ensure the safety in driving thereof.
• a front wheel drive vehicle having no chain, wherein a ring is mounted on the inner circumferential surface of a front wheel, a guider is formed on the inner circumferential surface of the ring, and a plurality of guiding rollers axially coupled between a pair of frames facing each other and an output roller of a drive means having no chain abut against the inner circumferential surface of the guider; a handle which is vertically adjustable in its length is mounted to the frame to which the drive means is installed, in such a fashion as to be extended upwardly; a brake pad is connected to a control lever located on the handle so as to cause a friction between the brake pad and the ring upon the tight-contacting of the brake pad and the ring; a base frame with a rear wheel axially mounted thereto is axially mounted to the rear side of the frame in such a fashion as to be pivotally rotated, the rear wheel being smaller in diameter than the front wheel; and the drive means
• a front wheel drive vehicle having no chain
• a ring is mounted on the inner circumferential surface of a front wheel
• a guider is formed on the inner circumferential surface of the ring
• a plurality of guiding rollers axially coupled between a pair of frames facing each other and an output roller of a drive means having no chain abut against the inner circumferential surface of the guider
• a handle which is vertically adjustable in its length is mounted to the frame to which the drive means is installed, in such a fashion as to be extended upwardly
• a brake pad is connected to a control lever located on the handle so as to cause a friction between the brake pad and the ring upon the tight- contacting of the brake pad and the ring
• a base frame with a rear wheel axially mounted thereto is axially mounted between the frame and the handle in such a fashion as to be pivotally rotated, the rear wheel being smaller in diameter than the front wheel
• the drive means is positioned between the
• the base frame may be provided with an coupling oblong hole formed thereon in a longitudinal direction, so that the saddle frame is axially coupled to the base frame by means of a pin in such a fashion as to be pivotally rotated while passing through the coupling oblong hole, and a fixing means including a stopper pin which is elastically supported by a spring and comes in/out by means of the manipulation of an operating lever, and wherein the stopper pin is fit into a fixing hole perforated on a bracket pivotally coupled to the lower end of the saddle frame, so that the saddle frame can be moved to its collapsed position or its original riding position to be fixed to the frame.
• a fixing means including a stopper pin which is elastically supported by a spring and comes in/out by means of the manipulation of an operating lever, and wherein the stopper pin is fit into a fixing hole perforated on a bracket pivotally coupled to the lower end of the saddle frame, so that the saddle frame can be moved to its collapsed position or its original riding position to be fixed to the frame
• a transmission may be disposed between the input gear and the output gear, for controlling the vehicle speed in multi-steps by means of the manipulation of an operating lever mounted on the handle so as to transfer the power.
• the drive means may include a DC motor installed between the pair of frames, the DC motor having a speed reducer built therein, an input gear mounted on a motor shaft so as to drive the output gear mounted on the roller shaft on which the output roller is mounted, and a battery mounted on the base frame with the rear wheel axially mounted thereto, for supplying an electrical power to the DC motor.
• a guiding roller to be axially coupled to a frame and a foot-stepping type or electrically-operated type drive means are mounted at the inner side of a front wheel respectively, a base frame, to which the saddle frame is rotatably fixed and to which a rear wheel is axially coupled, is axially coupled to the rear side of the frame in such a fashion as to be pivotally rotated, so that a rider can utilize the inventive front wheel drive vehicle as an alternative of a bicycle or a kick board, only through small trouble for a user to move the saddle frame to its collapsed position or its original riding position so as to fix to the base frame when it is desired, and the entire height thereof is low, thereby capable of ensuring the safety in driving thereof.
• a conventional chain-driven scheme but a gear-driven scheme is adopted in the drive means thereof, thereby showing its low failure rate.
• the compact size thereof ensures easy portability.
• FIG. 1 is a perspective view of a front wheel drive vehicle having no chain according to one preferred embodiment of the present invention
• FIG. 2 is a side view of a front wheel drive vehicle having no chain according to the present invention
• FIG. 3 is a side view of a front wheel drive vehicle having no chain according to another embodiment of the present invention.
• FIG. 4 is a cross-sectional plan view of a drive means according to the present invention, in which the drive means is coupled to associated elements;
• FIG. 5 is an exploded perspective view of the drive means and associated elements according to the present invention.
• FIG. 6 is a sectional view illustrating the coupling of a fixing means for fixing a saddle frame according to the present invention.
• FIGs. 7 and 8 are side views of a front wheel drive vehicle having no chain according to another embodiment of the present invention.
• FIG. 1 is a perspective view of a front wheel drive vehicle having no chain according to one preferred embodiment of the present invention
• FIG. 2 is a side view of a front wheel drive vehicle having no chain according to the present invention
• FIG. 3 is a side view of a front wheel drive vehicle having no chain according to another embodiment of the present invention
• FIG. 4 is a cross-sectional plan view of a drive means according to the present invention, in which the drive means is coupled to associated elements
• FIG. 5 is an exploded perspective view of the drive means and associated elements according to the present invention
• FIG. 6 is a sectional view illustrating the coupling of a fixing means for fixing a saddle frame according to the present invention
• FIGs. 7 and 8 are side views of a front wheel drive vehicle having no chain according to another embodiment of the present invention.
• a vehicle 1 according to the present invention is configured to be compact in its size so as to allow its user to selectively utilize a bicycle or a kick board, if necessary, and its driving power can be transferred using a foot-stepping type or electrically- operated type drive means 2 which is free from a chain.
• a ring 4 is mounted on the inner circumferential surface of a front wheel 3 which is relatively large in diameter, and a guider 4a is formed on the inner circumferential surface of the ring.
• a plurality of guiding rollers 6 axially coupled between a pair of frames 5 and 5' facing each other and an output roller 7 of a foot-stepping type or electrically-operated type drive means having no chain abut against the inner circumferential surface of the guider 4a.
• a handle 8 is vertically adjustable in its length and is mounted to the frame 5 and 5' to which the drive means 2 is installed in such a fashion as to be extended upwardly.
• a brake pad 10 is connected to a control lever 9 located on the handle 8 so as to cause a friction between the brake pad 10 and the ring 4 upon the tight-contacting of the brake pad and the ring.
• the base frame 12 with the rear wheel 11, which is smaller in diameter than the front wheel 3, axially mounted thereto, may be configured in two different ways.
• the base frame 12 with the rear wheel 11 axially mounted thereto is axially mounted to the rear side of the frame 5, 5' in such a fashion as to be pivotally rotated.
• the shaft to be rotated is preferably configured to be adjacent to the ground so as to have similar configuration to that of the conventional kick board.
• the base frame 12 is axially mounted between the frame 5 and 5' and the handle 8 in such a fashion as to be pivotally rotated.
• the shaft to be rotated is preferably configured to be located at the upper end of the conventional front wheel 3 so as to have similar configuration to that of the conventional bicycle.
• the saddle frame 14 which can be collapsed and the height of which can be adjusted is mounted to the base frame 12.
• the saddle 13 is mounted to the saddle frame in such a fashion as to be pivotally rotated upwardly. At this time, the rear wheel 11 can be applied in a single or plural form.
• an coupling oblong hole 12a is formed on the base frame 12 in a longitudinal direction, so that the saddle frame 14 is axially coupled to the base frame 12 by means of a pin 15 in such a fashion as to be pivotally rotated while passing through the coupling oblong hole.
• the base frame 12 is provided with a fixing means 16 including a stopper pin 16c elastically supported by a spring 16a and comes in/out by means of the manipulation of an operating lever 16b.
• the stopper pin 16c is fit into a fixing hole 17 perforated on a bracket 14a pivotally coupled to the lower end of the saddle frame 14.
• the foot-stepping type drive means 2 as shown in FIG. 5 is positioned between the pair of frames 5 and 5' and includes an input gear 20 mounted on a crank shaft 19 which is connected at both free ends thereof to a pair of pedals 18 via the pair of frames 5 and 5', an output gear 21 mounted on a roller shaft 7a which is coupled at both free ends to the pair of frames 5 and 5', an output roller 7 mounted on the roller shaft 7a, a one-direction bearing 7b mounted on the roller shaft 7a within the output roller 7 so as to allow the output gear 21 to perform only a forward-driving movement, and a connection gear 22 disposed between the input gear 20 and the output gear 21 for engaging the input gear 20 and the output gear 21 with each other, whereby a rotational dive force is generated while the crank shaft 19 is rotated by means of a foot-stepping force exerted onto the pedal.
• the one-direction bearing 7b may be configured to mounted on either the input gear 20 or the output gear 21.
• a transmission 24 is disposed between the input gear 20 and the output gear 21, for controlling the vehicle speed in multi-steps by means of the manipulation of an operating lever 23 mounted on the handle 8 so as to transfer the power.
• crank shaft 19 coupled at both free ends thereof to the pedals 18 is situated forwardly from the center of the front wheel 3, the center of a rider' s weight will be oriented forwardly, thereby decreasing the safety. And thus, it is preferred that the crank shaft 19 is located rearwardly from the center of the front wheel.
• the electrically-operated type drive means 2 is provided with a DC motor 25 with built-in speed reducer is installed between the pair of frames 5, 5', as shown in FIG. 8, an input gear 26 mounted on a motor shaft so as to drive the output gear 21 mounted on the roller shaft 7a on which the output roller 7 is mounted, and a battery 27 mounted on the base frame 12 with the rear wheel 12 axially mounted thereto, for supplying an electrical power to the DC motor 25.
• the preferred embodiments vary depending on the position of the shaft of the base frame 12 to be pivotally rotated.
• the both embodiments can be selectively used for alternative of uses, i.e., a bicycle or a kick board in respond to the user's needs. Therefore, the operations of the present invention will be described without distinction depending on the embodiments hereinbelow.
• the saddle frame 14 coupled to the base frame 12 is moved to its original riding position to be fixed to the frame by means of the fixing means 16. Then, in a state where the length of the saddle frame 14 and the handle 8 is relevantly adjusted and fixed to conform to the body shape of the rider, when the rider seated on the saddle 13 steps on the pedal 18 coupled to the crank shaft 19 to advance, the rotational drive force is generated by means of the drive means 2 constituted by the input and output gears 20 and 21 mounted on the crank shaft 19 and the roller shaft 7a and the connection gear 22. At this time, in the case of stepping rearwardly on the pedal 18, the output gear 21 mounted on the roller shaft 7a is configured to be engaged with the one-direction bearing 7b, so that the transfer of the power is intercepted.
• the saddle frame 14 coupled to the base frame 12 can be moved to its collapsed position to be fixed to the frame through the fixing means. Then, in a state where the length of the handle 8 is relevantly adjusted and fixed to conform to the body shape of the rider, a forward movement is made possible by kicking the ground with the other foot while one side foot serving as a central axis is put on the base frame 12 such as a general kick board. Thereafter, when the speed of the vehicle is increased to a certain extent, the rider can enjoy riding with his or her both feet laid on the base frame 12.

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

Applications Claiming Priority (2)

Publications (1)

Family

ID=35509551

Family Applications (1)

Country Status (2)

Cited By (9)

Families Citing this family (5)

Citations (4)

• 2004
  • 2004-06-16 KR KR20-2004-0016953U patent/KR200361980Y1/ko not_active IP Right Cessation
• 2005
  • 2005-06-15 WO PCT/KR2005/001840 patent/WO2005123493A1/en active Application Filing

Patent Citations (4)

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