Entries |
Document | Title | Date |
20080258422 | FRAME STRUCTURE OF MOTORCYCLE - A head pipe is disposed in a front side of a vehicle frame. Left and right main pipes extend from the head pipe toward a rear side of the vehicle frame. The Left and right main pipes are welded to the head pipe. A down tube extends from the head pipe toward the rear side and welded to the head pipe. The head pipe includes: a head pipe main body supporting a steering shaft; a main pipe connection portion disposed in a rear upper portion of the head pipe, the main pipe connection portion to which a front ends of the left and right main pipes are welded; and a down tube connection portion disposed in a rear lower portion of the head pipe. The head pipe main body, the main pipe connection portion and the down tube connection portion are integrally formed with one another by a casting or a forging. The down tube connection portion includes: an extension connection portion extending from the head pipe main body in a extending direction of the down tube; and a welding connection portion formed at a rear end portion of the extension connection portion, the welding connection portion to which a front end of the down tube is welded. | 10-23-2008 |
20090058038 | BICYCLE FRAME AND DRIVE LINK CASE THEREFORE - A bicycle frame includes a front section and a rear section. The front section includes a front frame portion having a front coupling configured to receive a front wheel support member and to allow rotation between the front coupling and the front wheel support member, the front frame portion defining a central vertical plane of the frame. The rear section includes a drive link case having an upper tube, a lower tube, a rear hub housing, and a front sprocket housing all integrally arranged with each other to form a rigid drive link case having an opening disposed between the upper and lower tubes, the drive link case being connected to the front frame portion via the front sprocket housing. The drive link case is disposed eccentric to the central vertical plane and is cantilevered rearward from the front sprocket housing. The front frame portion extends forward from the front sprocket housing. | 03-05-2009 |
20090295120 | BICYCLE CHAINSTAY PROTECTOR - A bicycle having a wheel and a frame supported by the wheel. The frame includes a wheel support and a stay extending from the wheel support. A stay protector resiliently engages the stay. In one embodiment, the stay comprises a tubular-shaped member having an exterior surface, and the stay protector is contoured to substantially match the exterior surface. | 12-03-2009 |
20090322053 | BICYCLE WITH REDUCED AIR RESISTANCE AND METHOD APPLIED THEREBY - Bicycle with reduced air resistance, which bicycle is provided with a frame and a fork made of tubes which are provided with a smooth finishing layer, characterized in that the finishing layer is provided with a non-smooth structure for reducing the air resistance in select places. | 12-31-2009 |
20100194072 | Frame structure of a vehicle - A vehicle, such as a motorcycle, has a structure in which strength of a body frame is increased and positional accuracy between members constituting the body frame is improved. A head pipe of the motorcycle can include a pipe portion inside which a steering shaft is disposed, and a wall portion formed rearward of the pipe portion. The wall portion and the pipe portion can be integrally formed by extruding performed in a direction in which the pipe portion extends. Left and right main frames extending rearward can be disposed on the wall portion. The motorcycle can further include a reinforcing member disposed rearward of the wall portion, arranged such that an upper portion thereof is sandwiched by the right and left main frames, and having rest portions on which the right and left main frames are placed. | 08-05-2010 |
20100253038 | Airfoil Shape for Bicycle - The bicycle may have a frame and a front fork. A cross section of the frame or the front fork may have an airfoil shape wherein a leading surface is sharper (i.e. less round) compared to prior art airfoil shaped bicycle front forks and bicycle frames. Additionally, a maximum thickness of the airfoil shape may be located more rearward compared to prior art airfoil shaped bicycle frames and bicycle front forks. This configuration provides for a reduction in drag for headwind speeds of about twenty ( | 10-07-2010 |
20100253039 | Airfoil Shape for Bicycle - The bicycle may have a frame and a seat post. A cross section of the seat post may have an airfoil shape wherein a leading surface is sharper (i.e. less round) compared to prior art airfoil shaped bicycle frames. Additionally, a maximum thickness of the airfoil shape may be located more rearward compared to prior art airfoil shaped bicycle frames and bicycle front forks. This configuration may provide for a reduction in drag. A battery pack may be mounted to a rear side of the seat post. | 10-07-2010 |
20110006501 | BICYCLE FRAME HAVING A MULTIPLE STEP AND LAP JOINT - A bicycle frame assembly that includes at least one joint having a number of steps and laps formed between adjoining frame members. A first frame member includes a male portion of the joint and has at least three steps that are separated by rises between adjacent steps formed on an exterior surface of the first frame member. A second frame member includes a female portion of the joint and has the same number of steps and rises as the first frame member formed on an interior surface of the second frame member. The steps and rises of the first and second frame members are constructed and orientated so that the first frame member slidably cooperates with the second frame member to form a continuous multidirectional joint therebetween. | 01-13-2011 |
20110049832 | BICYCLE FRAME WITH IMPROVED WELD JOINT - A bicycle frame comprising a first tubular member having a first interface portion, and a second tubular member having a second interface portion engaged with the first interface portion to create a joint. The joint includes a peripheral channel having a depth that is greater than a wall thickness of the first tubular member, and a weld is positioned in the peripheral channel. To enhance the transition from the first main portion to the second main portion, the second tubular member can include a fillet surface between the second main portion and the second interface portion. The fillet surface is contoured to provide a smooth transition between the top tube and the head tube. An outer surface of the first interface portion can be offset from an outer surface of the first main portion to thereby create a shoulder. | 03-03-2011 |
20110115191 | TALL BIKE AND FRAME - A bicycle frame for a tall bike and a tall bike using the frame are disclosed. The frame includes an upwardly-tilted quadrilateral front frame portion, and a triangular rear portion sharing a common seat tube with the quadrilateral frame portion. The seat tube defines the forward leg of the rear triangle and the rearmost leg of the quadrilateral, and most or all of the seat tube is located forwardly of a radially forward-most point of a rear wheel mounted to the rear of the triangular frame portion. A crankset is mounted on an upper part of the seat tube below the top tube and above the down tube, also vertically forward of the rear wheel. The frame provides improved balance and stability and strength for a tall bike. | 05-19-2011 |
20110121536 | RETRACTABLE/EXTENDABLE CRANK USING A CYLINDRICAL CAM, AN END CAM, OR A SWASH PLATE CAM, AND BICYCLE USING THE SAME - The present invention relates to a mechanical element, and more particularly, to a crank connected to a bicycle pedal or a handle for rotating a rotary body and to a bicycle using the same. The present invention uses a cylindrical cam, an end cam, or a swash plate cam, and the shafts of these cams and a shaft of a pedal or a handle for applying force are equipped with a miter gear (a bevel gear the number of teeth of which is 1:1 and the shaft angle of which is 90 degrees), such that the crank retracts/extends one time per one rotation of the pedal or the handle. The retractable/extendable crank of the present invention is advantageous in that the length of the crank is elongated to generate a large amount of rotating force in a force-applying section, and shortened in a section where no force is applied to reduce the actuating space occupied by the crank and apply a large amount of torque to the rotary body from the same force, without deviating from the normal motion range of the arms or legs during rotation. The retractable/extendable crank of the present invention has a significantly rigid structure and provides reliable operation, and thus is suitable as a driving crank to be connected to a pedal of a bicycle. As compared with conventional bicycles, the bicycle using the crank of the present invention is supplied with a larger amount of rotating force in proportion to the elongation of the crank from the same force, thus enabling the bicycle of the present invention to travel quickly with less force and climb a steep upward slope in an easy manner. | 05-26-2011 |
20110241308 | CHILDREN'S VEHICLE - A children's vehicle includes a frame and a head tube swingingly and pivotally coupled with each other, a position restoring element installed between the frame and the head tube, a front fork pivotally installed at a lower end of the head tube, a control rod installed at an upper end of the head tube and coupled to the front fork, at least one unidirectional rotating front wheel installed at the front fork, a carrier mounted onto the frame, and a freely rotating rear wheel installed separately on both sides of a rear end of the frame. After a child sits on the carrier, the child can turn the handle of the control rod by both hands, such that the frame can be swayed to drive the front wheel to move forward or backward according to the turning direction, so as to provide a sport game with fun and recreation. | 10-06-2011 |
20110248468 | BICYCLE CABLE HOUSING GUIDE - A bicycle having a frame, two wheels, handlebars, a longitudinal housing (e.g., cable housing or hydraulic hose) defining radial and axial directions, and a housing guide securing the housing to the frame. The housing guide includes a base member and a clamp member. The base member has a base surface secured to the frame and defining a passage in which the housing is positioned, and the clamp member cooperates with the base member to secure the housing in both radial and axial directions. Preferably, the base member comprises first and second guide arms (e.g., opposed hooks) spaced by a gap and wrapped around the housing, and the clamp member is positioned in the gap. The clamp member can include a collar and a fastener that tightens the collar onto the housing. The collar can include an opening and a slot that facilitates inserting the housing into the opening. | 10-13-2011 |
20110304119 | Twin-Frame Bicycle - The present invention relates to a twin-frame bicycle, particularly to one that can be pedaled by two riders in side-by-side coordination so that the riders and the twin-frame bicycle will incline integrally without tumbling or overturning. At least one articulation mechanism is disposed between a primary bicycle body and an auxiliary bicycle body, wherein the articulation mechanism serves in synergy an articulation parallelogram, and a resilient tension mechanism having an elastic element is disposed between the primary bicycle body and the auxiliary bicycle body and counteracts the deformation of the articulation mechanism to maintain equilibrium. | 12-15-2011 |
20120280468 | MULTI-CYCLE APPARATUS WITH CENTER-BASED HANDLEBARS - Aspects for a multi-cycle apparatus are disclosed. In one aspect, an apparatus is provided, which includes a seat, a steering column below the seat, and a handle bar coupled to the steering column in which the handle bar extends behind the seat. In another aspect, an apparatus includes a rear bicycle frame, a steering column coupled to the rear bicycle frame, and a handle bar extending from the steering column. For this embodiment, the steering column is positioned under a seat attached to the rear bicycle frame, and the handle bar wraps around the rear of the seat. Another apparatus is provided, which includes a rear bicycle frame, a steering column coupled to the rear bicycle frame, and a handle bar coupled to the steering column. Here, the steering column is below a seat attached to the rear bicycle frame, and the handle bar extends behind the seat. | 11-08-2012 |
20120306179 | CHILD VEHICLE HAVING A GRAPHICAL INTERFACE - A child vehicle includes a front frame having a handlebar and at least one front wheel, and a rear frame movably coupled thereto and having at least one rear wheel. At least one graphical interface is coupled to the vehicle and includes a placard having a frame secured to the vehicle and a working surface disposed generally within the frame. The working surface is configured to be marked thereon by the child using a marking utensil so as to create an artistic expression for customizing the vehicle. A tool-less coupling between the front and rear frames and an associated method of a tool-less assembly of a child vehicle are also disclosed. | 12-06-2012 |
20130009378 | BRAKE DEVICE FOR SADDLED VEHICLE - A braking device of a saddle-ride type vehicle that can reduce a load acting on a joint is provided. | 01-10-2013 |
20130069339 | BICYCLE HANDLEBAR - A handlebar comprises a transverse extension piece including a first gripping portion. First and second handlebar segments are disposed on opposite ends of the transverse extension piece. Each of the handlebar segments comprises an upper handlebar grip portion and a lower handlebar grip portion. The upper handlebar grip portion includes a first curved section adjoining one end of the transverse extension piece and extending forwardly and inwardly from the transverse extension piece, and a second straight section. The upper handlebar grip portion includes a second gripping portion. The lower handlebar grip portion includes a curved end portion adjoining the end of the second straight section of the upper handlebar grip portion and extends outwardly and then downwardly. The lower handlebar grip portion includes a third gripping portion. The three gripping portions of the handlebar define a plurality of gripping positions in combination with a plurality of riding positions. | 03-21-2013 |
20130221633 | BICYCLE FRAME - A frame for a bicycle that has a fork and a handlebar. The frame includes a head tube, a bottom bracket adapted to support a crankset, and a down tube coupled between the head tube and the bottom bracket. The frame also has a fork bumper that is coupled to and is disposed on an underside of the down tube. The fork bumper extends outward from the down tube and includes a base and a resilient outer layer engageable by the fork to prevent contact between the down tube and the fork | 08-29-2013 |
20130241169 | BICYCLE WITH INTEGRATED CABLE ROUTING - A bicycle including a frame that has an elongated hollow frame member, a fork rotationally coupled to the frame, a wheel rotationally coupled to the fork, and a handlebar coupled to the fork for steering the wheel. The frame has an interior surface that defines a longitudinal groove with a groove width. The bicycle also includes a cable that is positioned in the longitudinal groove and that has a cable width less than the groove width. | 09-19-2013 |
20130249186 | FRAME STRUCTURE FOR SADDLE-RIDE TYPE VEHICLE - A frame structure for a saddle-ride type vehicle includes a body frame having a head pipe, down tubes, seat rails and upper tubes and a unit swing power unit swingably supported by the body frame. The seat rails have front ends joined to downwardly extending portions of the down tubes. The down tube has a second bending portion formed at the rear end of the horizontal extending portion and an obliquely upwardly extending portion extending rearwardly and upwardly at a position behind the second bending portion. The obliquely upwardly extending portion has a rear end joined to the seat rail. The power unit support portion is formed behind the bending portion. | 09-26-2013 |
20130264793 | EASILY ASSEMBLABLE TWO WHEELED VEHICLE FOR HEAVY CARGO TRANSPORT - One embodiment includes a bicycle frame that includes a plurality of square cross-section tubing members, wherein all tubing members are straight, and are consistent in cross-sectional dimensions along their length and wherein each tubing member is cut to length with a straight cut defining a tubing opening formed by an edge that extends along a single plane. | 10-10-2013 |
20130292920 | SEAT TUBE ASSEMBLY FOR A BICYCLE OR THE LIKE - A bicycle seat tube assembly includes an arced component, a bottom bracket positioned below the arced component, and a seat tube including a pivot attachment at a lower end of the seat tube. The arced component includes a lower curved surface with a plurality of holes. The pivot attachment is coupled to the bottom bracket so that the arced component is pivotable relative to the seat tube about the bottom bracket, resulting in multiple seat tube positions between a fully forward position and a fully back position. A locking mechanism is configured to selectively lock the seat tube to the arced component. The locking mechanism includes a lock ring with a plurality of lock pins and a spring that pushes the lock ring towards the arced component. The lock ring and the spring surround the seat tube The lock ring is movable between a locked position and an unlocked position. | 11-07-2013 |
20140159335 | DUAL STEERABLE VEHICLE - A tricycle may be operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an individual pushing the tricycle. In both such first and second modes, the frame of the tricycle is configured to rotatably support the rear wheels and configured to support the head tube at a distance from the rear wheels such that a distance between the head tube and rear wheels need not necessarily be changed even when the front wheel axis location is changed from one mode to another. | 06-12-2014 |
20140210180 | Bicycle, Modifiable for Uphill, Downhill and/or Trail Conditions - A bicycle comprising a Frame ( | 07-31-2014 |
20140217696 | MULTI-PASSENGER TRICYCLE - A tricycle is provided for supporting multiple passengers. The multi-passenger tricycle has a frame member, a steering assembly, a rear axle assembly, an auxiliary handlebar and a rear passenger foot platform. The steering assembly is rotatable and is coupled to a first end of the frame member. The rear axle assembly is coupled to the second end of the frame member. The auxiliary handlebar is coupled to the frame member between the first end and the second end of the frame member. The rear passenger foot platform is coupled to the frame member adjacent a second end of the frame member, and is at least partially above the rear axle assembly. Preferably, the rear passenger foot platform includes a first foot platform on one side of the frame member and a second foot platform on an opposing side of the frame member. | 08-07-2014 |
20140265224 | MOBILE VEHICLE - A mobile vehicle | 09-18-2014 |
20150076788 | Interchangeable Colored Bicycle - An interchangeable colored bicycle has a bicycle framework with a main bicycle frame component part, a handlebar stem component part, and a wheel fork component part. Clear transparent tube members enclose and circumscribe these component parts. Free-flowing, colored liquids fill the interior spaces between the tube members and the component parts. The colored liquids in each interior space are different, thus allowing the bicycle to assume multiple colors. The free-flowing liquids can be drained from the tube members and different colored liquids can be poured into the interior spaces to change the colors of the bicycle. | 03-19-2015 |
20150291245 | Leaning Tricycle - The present invention was conceived based on observations of children learning to balance a bicycle and the turning versus leaning of the bicycle. The result is a tricycle which leans when it is steered and provides the additional feature of limiting the lean so the tricycle will not fall over. The fact that the lean is controlled by the rider based on steering input and the lean is limited inspires confidence in the rider to facilitate learning to balance as in a bicycle. A key to this rendition was to make it very similar to a conventional tricycle with the simplest implementation practical. In addition, the features described make this an excellent tool for relearning balance after a medical condition. | 10-15-2015 |