Class / Patent application number | Description | Number of patent applications / Date published |
280230000 | Plural power application | 30 |
20080211203 | Vehicle Propulsion System - This invention discloses a lever operated vehicle propulsion system wherein the levers move substantially horizontally and couplers are adjusted along each lever to control the mechanical advantage available to the vehicle operator. Drive chains that are attached to each coupler and engage a pair of freewheel sprockets that, in turn, engage an axle or hub that is attached to a drive wheel. The free ends of the drive chains are connected together by a tensioning device to maintain tension in the drive chains. Also disclosed is a power transmission device that may be used to engage or disengage a drive wheel of a three or four wheeled vehicle from the drive axle. | 09-04-2008 |
20090273155 | Rear-pedaling standing type bicycle structure - The present invention discloses a rear-pedaling standing type bicycle structure having a driving means installed at a front end of a bicycle frame and proximate to a corresponding line of front and rear wheels, and pedals pivotally coupled to both lateral sides of the front end of the bicycle frame for up and down movements. The driving means can be driven up and down alternately by the left and right pedals, and a link wheel is provided for transmitting kinetic forces to the rear wheel to drive the bicycle, so that the bicycle can be operated and driven in a special unique way to achieve the effects of expanding the exercising range and giving more fun to the exercise and game. | 11-05-2009 |
20100001488 | CONSTRUCTION KIT AND METHOD FOR CONVERTING A BICYCLE. AND BICYCLE - The invention relates to a kit for converting a non-driven wheel ( | 01-07-2010 |
20100201096 | Skate car - A skate car includes a left and right swayable front pipe coupled to front ends of the left and right support rods and an automatic position-restoring swayable driving wheel pivotally coupled to rear ends of left and right support rods separately. A user can either swing a vertical pipe of the front pipe to the left and right sides to swing the front driving wheel installed at the lower end of the vertical pipe, or apply a force to the left and right support rods to swing the swayable and automatic position-restoring left and right rear driving wheels to the left and right sides, or do both of the above, to drive the car body to roll forward along the S-shaped path and slide forward smoothly, so as to achieve a multiple of operating modes and gain more fun for the fitness exercise. | 08-12-2010 |
20160058636 | Dual Drive Wheelchair - A dual drive wheelchair comprising a frame with a seat, a rear driving wheel set including a cross axle and a vertical rod, wherein the cross axle connects two rear wheels, a supporting structure including a support and an axial tube, wherein the support is connected to the frame and a front driving wheel set; and the axial tube fits around the vertical rod, and further comprising a first steering member of the first turning structure connected to the support and a second steering member of the first turning structure; wherein the second steering member is fixed to the vertical rod and a control structure including a pair of backrest canes fixed to the first steering member enabling a user or a caregiver to operate the control structure of the dual drive wheelchair. | 03-03-2016 |
280231000 | Plural occupant propelled | 4 |
20100007112 | BRAKE SYSTEM AND METHOD AND TWO-WHEELED VEHICLE USING THE SAME - In the specification and drawing a new brake system and a two-wheeled vehicle using the same are described. The new brake system includes a first brake to apply a first brake force on a first wheel of a vehicle and transfers the first brake force to physically actuate a second brake to brake a second wheel of the vehicle. A new-designed cantilever brake is disclosed to transfer the first brake force to actuate the second brake. | 01-14-2010 |
20100052284 | MULTI-PERSON TRICYCLE - Various embodiments of a multi-person tricycle are disclosed. In at least one embodiment, the multi-person tricycle includes two front drive wheel assemblies, each having an independent drive train assembly, and includes a rear wheel assembly operably connected to a steering mechanism which may be simultaneously or independently operated by one or more riders. Steering is controlled by either rider via a single steering mechanism. In at least one embodiment, the multi-person tricycle may be configured or designed to enable two front riders to sit side-by-side, and further may be configured or designed to enable each rider to independently exert and/or vary his or her own pedaling force and/or pedaling cadence without substantially affecting steering of the vehicle. In at least one embodiment, the entire tricycle apparatus may be constructed or assembled using components of two ordinary bicycles and a few other commonly available parts. The tricycle apparatus may disassemble easily into several components and/or assemblies which collectively take up relatively little volume, thereby facilitating ease of shipment and storage. Additionally, re-assembly of the tricycle may be quickly and easily performed by a person without requiring use of any tools. The multi-person tricycle is easy to operate and provides for improved safety when navigating through street traffic because the configuration of the tricycle places the riders' head heights at an even level with passenger cars. | 03-04-2010 |
20120181769 | MULTI-PERSON TRICYCLE - Various embodiments of a multi-person tricycle are disclosed. In at least one embodiment, the multi-person tricycle includes two front drive wheel assemblies, each having an independent drive train assembly, and includes a rear wheel assembly operably connected to a steering mechanism which may be simultaneously or independently operated by one or more riders. In at least one embodiment, the multi-person tricycle may be configured or designed to enable two front riders to sit side-by-side, and further may be configured or designed to enable each rider to independently exert and/or vary his or her own pedaling force and/or pedaling cadence without substantially affecting steering of the vehicle. | 07-19-2012 |
20140175770 | MULTI-PERSON TRICYCLE - Various embodiments of a multi-person tricycle are disclosed. In at least one embodiment, the multi-person tricycle includes two front drive wheel assemblies, each having an independent drive train assembly, and includes a rear wheel assembly operably connected to a steering mechanism which may be simultaneously or independently operated by one or more riders. In at least one embodiment, the multi-person tricycle includes a lockable/unlockable pedal connection assembly which: (i) provides the ability for any single rider to simultaneously power two or more independent drive trains; and which (ii) provides the ability for two (or more) simultaneous riders to separately and independently power their respective drive trains by means of a dynamically adjustable coupling/decoupling mechanism. | 06-26-2014 |
280233000 | Hand and foot | 21 |
20080246246 | WHEELCHAIR PROPULSION AND EXERCISE ATTACHMENT - A propulsion and exercise device for attaching to a conventional wheelchair having: at least one drive wheel operably interposed between the rear set of wheelchair wheels. A telescoping mast may connect the drive wheel axle to pedals to permit the pedals to be selectively moved from a stowed position to an extended position for use. Power is transmitted from the pedals to the drive wheel through a chain drive that passes over idler sprockets that maintain the chain length during adjustment of the telescoping mast. | 10-09-2008 |
20090283981 | OVERDRIVE SYSTEM FOR FOUR-WHEEL BICYCLE - Disclosed is an overdrive system for a bicycle, which increases the speed through use of a combination of a plurality of sprockets and ratchet wheels, and which drives with less power where a user steps on a pedal of a drive lever using the principle of a lever as overdrive generating means. | 11-19-2009 |
20090309326 | HAND AND LEGS DRIVING CYCLE - A cycle has an automatic steering wheel; a frame, the front portion of which the automatic steering wheel is perpendicularly rotatably connected to; a pair of handle bars, the central portions of which are rotatably hinged to both sides of the upper part of the front portion of the frame; a front crank horizontally passing through the central portion of the frame and rotatably connected to the frame, a crank gear being fixedly connected to said front crank; a rear crank horizontally passing through the rear portion of the frame and rotatably connected to the frame; a pair of connecting rods, each of which has one end rotatably connected to the lower end of the corresponding handle bar and the other end rotatably hinged to the front crank; a pair of pedals, each of which has a front end inserted into the front crank and a rear end inserted into the rear crank so that the pedals are rotatably connected between the front and rear cranks; a rear wheel rotatably connected to the rear portion of the frame and provided with a free gear rotated only in one direction; a chain for interconnecting the crank gear and the free gear of the rear wheel; and a saddle rotatably hinged to the upper part of the rear portion of the frame. The hand and foot driven cycle allows a user to simultaneously use both hands and feet so as to travel forwards, thereby promoting the balanced development of the user's body and increasing speed. | 12-17-2009 |
20110241305 | HAND/FOOT POWERED BICYCLE - A hand/foot powered bicycle includes a pedal power mechanism as a power source for driving the bicycle. A user can pedal a first pedal and a second pedal with both feet to drive a front sprocket. Via a first chain, the front sprocket drives and rotates the rear wheel. The hand/foot powered bicycle further includes a handlebar power mechanism having a handlebar structure as a power source for driving the bicycle. The hand/foot powered bicycle further includes a power transmission assembly for transmitting power to the front sprocket of the bicycle to drive and rotate the front sprocket. By means of continuously rotating the handlebar structure, the power transmission assembly is driven to transmit power to the front sprocket to drive and rotate the rear wheel via the first chain. A user can drive and make the hand/foot powered bicycle advance with hands and/or feet. | 10-06-2011 |
20120104723 | COMBINED-DRIVE BICYCLE - There is disclosed a combined-drive bicycle which can increase a driving speed and the beneficial effects of exercise and simultaneously to give fun to a rider. The combined-drive bicycle includes a handle assembly configured to steer a front wheel, the handle assembly comprising a crank handle to generate a handle motive force and a first gear rotated by the rotation of the crank handle, a pedal assembly configured to transmit the handle motive force and a pedal motive force generated by pedals to a rear wheel selectively or simultaneously, and a motive force transmission part to transmit the handle motive force to the pedal assembly, irrelevant to the steering of the handle assembly. | 05-03-2012 |
20140125032 | Dual Drive Bicycle - An independent shaft driven front wheel drive transmission ( | 05-08-2014 |
20150108734 | HAND-FOOT COMPOUND BICYCLE WITH DOUBLE RATCHET - Disclosed is a hand-foot compound bicycle with a double ratchet, which comprises a handle assembly which comprises a crank handle for generating handle power, and an upper gear to be rotated by rotation of the crank handle; a pedal assembly which comprises a pedal for generating pedal power, and transfers both or either one of the handle power and the pedal power to a rear wheel; and a power transfer unit which comprises a first power transfer gear corresponding to the upper gear, and a second power transfer gear for transferring the handle power from the first power transfer gear to the pedal assembly. | 04-23-2015 |
280234000 | Interconnected steering means | 14 |
20080238021 | Arm and Leg Powered Bicycle - The present invention relates to an arm and leg powered bicycle, comprising handle levers, a front wheel, a rear wheel, a handle shaft, supporting frames, pedals, a pedal shaft, front and rear sprockets and a chain belt, wherein the bicycle further includes an operating means for vertically rotating the handle levers, said member consisting of a handle rotation shaft, an operating rod or rods and a handle rotation shaft support, and a means for transferring the rotating force of the handle levers to a pedal shaft, said means consisting of a crank shaft, a rotating shaft, a flexible joint, a driving gear and a driven gear mounted on a pedal shaft. In the inventive arm and leg powered bicycle with such a construction, the mutual movement of both the handle levers and the pedals causes the vertical rotation of the handle levers by the work of the arms to cooperate synchronously with the movement of the pedals by the work of the legs, whereby the running speed of the bicycle can be doubled and the arm exercise can be conducted simultaneously. | 10-02-2008 |
20090283982 | USER-PROPELLED WHEELED VEHICLES - A seated user-propelled vehicle ( | 11-19-2009 |
20090289433 | LEG-WHEELED-TRAVELING MECHANISM - A leg-wheeled traveling mechanism is provided with a seat portion, two follow-up legs, each having an end portion that is freely rotatably connected to the seat portion, with a distance between the end portion and a tip portion having a foot-rest portion being retractable, two or more support legs, each having an end portion that is freely rotatably connected to the seat portion, with a distance between the end portion and a tip portion having a wheel portion being retractable, a foot-position measuring unit that measures relative positional changes of the foot-rest portions and foot portions of a rider, and a control device that controls operations of the follow-up legs and the support legs, based upon the relative positional changes measured by the foot-position measuring unit so as to allow the foot-rest portions to move virtually in the same directions as those of the foot portions. | 11-26-2009 |
20100090435 | Arm and Leg Powered Vehicle - An arm and leg powered vehicle includes a chassis mounted on a plurality of wheels, at least one of said wheels being a drive wheel wherein rotation of the drive wheel propels the vehicle forward, a seat mounted on the chassis for a rider to sit on, the seat being constrained against longitudinal movement relative to the chassis, a handlebar operatively connected to a steering rod whereby axial rotation of the handlebar generates a turn on at least one of said wheels, the handlebar including a handle holder arranged to move in a linear reciprocating manner relative to the steering rod, a foot pedal housing arranged to move in a linear reciprocating manner relative to a rail fixedly connected to the chassis, and, a power transmission system for receiving power from the arms of the rider in response to the application of a pulling force to the handlebar and from the legs of the rider in response to the application of the pushing force to the foot pedal housing and for transmission of the received power to the drive wheel. When the arms and legs of the rider are used independently, the power transmission system is configured to receive and transmit power from the arms or the legs of the rider, and when the arms and legs of the rider are used simultaneously, the power transmission system is configured to receive and transmit the sum of the power from the arms and the legs of the rider. | 04-15-2010 |
20100176571 | DUAL PEDALING MECHANISM BICYCLE - A dual propulsion bicycle comprises a second drive mechanism at the front of the bicycle. The second drive mechanism comprises a sprocket and chain assembly, with a first sprocket associated with the front wheel and a second sprocket associated with a steering mechanism, wherein the handles can be moved relative to the steering mechanism to adjust the manner in which the handles are manipulated to achieve propulsion. Additionally, the handles can be positioned in the manner of a conventional bicycle to allow a rider to propel the bicycle conventionally. | 07-15-2010 |
20100219605 | DRIVE SYSTEM FOR HUMAN POWERED DEVICE - Drive systems configured to combine arm power with leg power are disclosed. A drive system may comprise an arm power headset comprising: a joint assembly configured to provide forward and aft movement; and a mounting bracket coupled to the joint assembly and configured to align the joint assembly. The drive system may further comprise: a push/pull rod configured to convert forward and aft arm movement into rotary movement, the push/pull rod coupling the arm power headset to a first drive assembly; the first drive assembly comprising a first drive sprocket coupled to a first crank shaft; a second drive assembly adjacent the first drive assembly; and a linking device linking the second drive assembly with the first drive assembly. | 09-02-2010 |
20110018220 | Bicycle with two driving units - A bicycle includes a frame having a handle unit pivotably connected to a case which is fixed to the steering tube of the front fork. The handle unit includes a shaft about which the handle unit is pivotable back and forth, and the shaft is connected with an arm which is operatively connected with a front wheel driving unit so as to drive the front wheel of the bicycle. The bicycle includes pedals to rotate the rear wheel by the conventional rear wheel driving unit by a chain cooperated with gear wheels. The bicycle includes two driving units which are operated by the users' legs and hands. | 01-27-2011 |
20110148068 | STEERABLE BICYCLE WITH HANDLEBAR PROPULSION - A cycle, such as a bicycle, used forward and rearward movement of handlebars to provide an additional force for driving or propelling the rear wheel of a bicycle. A drive rod linkage extends from the handlebars to transmit the fore and aft movement of the handlebars to drive the rear wheel of the bicycle. The rod linkage transfers this fore and aft motion without interfering with conventional steering of the front wheel. Forward and rearward movement of the handlebars is consistent with the normal manner of riding a traditional bicycle. | 06-23-2011 |
20120080864 | Bicycle - A bicycle wherein the front wheel can be both steered and powered by reciprocal movement of the handle bars in a forward and rear direction. The drive system for the front wheel comprises a first linkage comprising two arms, one of which is a pivoting arm, and a second linkage comprising three arms, two of which are pivoting arms. The two arm linkage system is the primary driver in the sense of rotating a drive sprocket between two over center positions. The three arm linkage system, while also driving the drive sprocket, serves the primary function of moving the two arm linkage system over the two center positions, as the handle bars are reciprocated in forward and rear directions. | 04-05-2012 |
20120326413 | ARRANGEMENT FOR BICYCLE WITH COMBINED MOVEMENT - “ARRANGEMENT FOR BICYCLE WITH COMBINED MOVEMENT”, consists essentially of a bicycle ( | 12-27-2012 |
20130082452 | LEISURE FITNESS BIKE - A leisure fitness bike has a front frame hinged to a rear frame, a handlebar and a front wheel. A pedal body is installed at upper and lower ends of the front frame. The rear frame includes a saddle, a rear wheel and a rear wheel transmission device. A driving device is between the front and rear frames and coupled to a rear wheel transmission device. After a rider sits on the saddle and puts both hands and legs onto the handlebar and the pedal body, the front frame is moved forward and backward by stretching and contracting forces, and the driving device drives the rear wheel transmission device to roll the rear wheel and move the bike body. | 04-04-2013 |
20140015218 | ARM AND LEG POWERED VEHICLE - A vehicle is provided that includes a frame having a drive member supported for rotation thereon. A handlebar is supported for pivotal movement relative to the frame. A drive mechanism is provided on the frame that is configured to rotate the drive member in a first rotational direction when the handlebar is pivoted in either a first direction using a push-stroke or a second direction using a pull-stroke. | 01-16-2014 |
20150298761 | DUAL POWERED PROPULSION SYSTEM - The present invention relates to a rider's simultaneous use of his forearms/hands and legs to provide dual power into a propulsion system for riding a cycle vehicle, including a bicycle and a tricycle, or other vehicles. The invention permits the rider to have complete control turning the cycle vehicle, at will, right or left, while at the same time pumping a set of forearm/hand bars in an up power stroke and a down power stroke. In addition, even though the pumping action is lineally moving a telescoping rod and a push/pull cable back and forth, it is also simultaneously rotating a flywheel, upper and lower sprockets, and the crank axle to drive the bicycle wheel forward over the riding surface. Thus, the rider can provide maximum power into rotating the rear tire by simultaneously using both his arms and legs, while contemporaneously controlling his direction of travel. | 10-22-2015 |
20150367909 | DUAL DRIVE BICYCLE - A dual drive bicycle is provided having a front wheel, hand-cranked drive train including at least two pairs of a drive sprocket and driven sprocket, thereby allowing the diameter of the drive sprocket in the handlebar area to be made much smaller, thereby reducing the exposure of the hands and face of the rider to the sprocket teeth and chains of the front wheel drive train. The multiple pairs of drive sprockets and driven sprockets are mounted on a dual crown front fork that safely allows the use of a wider front hub without introducing unsafe bending stresses into the forks, and greatly facilitates the addition of the front wheel drive train of the invention to any bicycle. The invention also encompasses a steering assembly kit that converts a conventional bicycle to the dual drive bicycle of the invention by adding the front wheel drive train of the invention to a conventional bicycle. | 12-24-2015 |