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Oscillating lever

Subclass of:

280 - Land vehicles

280029000 - WHEELED

280200000 - Occupant propelled type

280210000 - With propulsion means

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
280253000 Oscillating lever 28
20090091099Occupant Propelled Vehicle - An occupant propelled vehicle is provided that includes a frame having a front portion and a rear portion, front and rear wheels, a platform for the occupant, an integrated articulating steering mechanism and a drive mechanism. The steering mechanism provides the multiple function of power transmission to a drive train, maneuvering the vehicle through a 360° turning radius and reversing the direction of the vehicle, so that it can travel both forward and backward. In one embodiment, the driving mechanism includes a power transfer means having a first end connected to a drive sprocket through a chain and a second end connected to another drive sprocket through the chain both sprockets mounted on a front wheel for propulsion. The steering means transfers power through the chains that in turn rotate the sprockets and associated wheel propelling the vehicle.04-09-2009
20110068554NON-MOTORIZED VEHICLE - A non-motorized foot board scooter including a frame, a front wheel and a rear wheel, a steering assembly, and a drive train. The drive train includes a kick arm that rotates the rear wheel when the kick arm is pushed backwards by the rider. The kick arm is centered with the rear wheel and a kick guard is located between the rear wheel and the kick arm. A first sprocket is mounted to the arm. The rear wheel has an associated second sprocket that is connected to the rear wheel via a clutch. A chain is mounted to the frame and extends around the first and second sprockets. The chain is routed such that as the arm is rotated the chain is drawn across the second sprocket thereby rotating the drive wheel.03-24-2011
20130106075Human Powered Vehicle05-02-2013
20140070515Mechanism For Converting Reciprocating Lever Action To Unidirectional Rotary Motion - A mechanism, e.g. for driving a wheelchair, converting oscillating motion of a lever (03-13-2014
20140265212Lever Drive System for a Scooter - A lever drive system for a scooter including a crank arm having a first distal end pivotally carried on a frame and operatively associated with a drive sprocket, wherein reciprocating movement of the crank arm causes rotation of the drive sprocket for moving a drive chain operatively associated with a wheel assembly. A footrest is disposed on the crank arm for operating the crank arm. A cam member is pivotally mounted to the frame generally adjacent the crank arm. A cam follower is carried by the crank arm engaging the cam member, wherein movement of the crank arm causes the cam follower to move along a contoured control surface of the cam member for controlling an up and down movement of the crank arm.09-18-2014
20140265213Bidirectional Input Unidirectional Output Driven Vehicle Having Clutch Device At Load End - The present invention is provided with a manual input device capable of bidirectional inputting, the output end thereof is served to output to the input end of a bidirectional input unidirectional output transmission device, the output end of the bidirectional input unidirectional output transmission device performs output in a constant rotating direction, so a loading wheel set can be driven through an engaging or releasing operational clutch device (09-18-2014
20140265214Dual Drive System for a Non-motorized Vehicle - A dual drive system for a non-motorized vehicle comprising a first drive unit disposed on a vehicle frame, wherein the first drive unit has a rotary action and is operatively associated with a first wheel assembly for turning a wheel; and, a second drive unit disposed on the vehicle frame, wherein the second drive unit has a lever action and is operatively associated with the first wheel assembly for turning the wheel. The first drive unit and the second drive unit are independently operable for turning the wheel.09-18-2014
20140333043Gear and lever transmission system and method - Phase gear and lever mechanism converts reciprocating power to rotary power with phase gear providing power stroke of greater duration than travel stroke so as to develop efficient power through a power stroke. A modified lever and gear mechanism converts reciprocating power to rotary power at variable out power ratio. Both converting mechanisms are applied as bicycle drive mechanisms. Both mechanisms are applied together in a bicycle one as a drive mechanism, the other for synchronizing the drive mechanism.11-13-2014
20140339786SHILLY-CAR - A shilly-car includes a main frame module with a rear-wheel tube and a main-frame tube, a front connecting tube and a swing module. A seat cushion is mounted onto a T-shaped structure comprised of the rear-wheel tube and main-frame tube, and two wheels are installed at both ends of the rear-wheel tube respectively. The swing module includes a pedal tube and a swing tube having a bearing sleeve and a bearing. The front connecting tube has an end rotably fixed to the swing tube and the other end fixed with the main-frame tube, and a C-shaped fixed element is installed at an end of the front connecting tube for receiving the bearing sleeve and the bearings, and a fixing shaft is provided for rotably fixing both bearing sleeve and bearing, so that the pedal tube can be stepped by both legs of a rider to move the shilly-car forward.11-20-2014
280255000 Linkage and ratchet 4
20090020979AUTOMATICALLY DRIVING FORCE RELEASING TYPE ONE WAY ROTATION DRIVING INSTRUMENT - An automatically driving force releasing type one way rotation driving instrument for a wheelchair includes a one way clutch 01-22-2009
20090261552BICYCLE PROPULSION ASSEMBLY HAVING ELONGATE MEMBERS - The present invention provides a propulsion assembly for a bicycle. The propulsion assembly includes a support member that at least extends from the bicycle frame to a distal end spaced-apart from the rear wheel. The assembly includes a first drive mechanism rotatably mounted on the frame and axially connected to the rear wheel for transmitting motion thereto. A second drive mechanism is rotatably mounted at the distal end of the support member and coupled with the first drive mechanism. Ratchet mechanisms axially extend from the second drive mechanism and connect to a pair of elongate members having pedals. The pedals are movable from an upper position to a lower position for transmitting one-way rotational power to the second drive mechanism. There is a means for selectively returning the pair of elongate members from the lower position to the upper position.10-22-2009
20100283217Scooter driving structure - A scooter driving structure includes a step member pivotally coupled to a scooter platform and swingable up and down, a first driving module installed at a position corresponding to the step member and comprising a driving rod, a guide wheel, a first driving wheel, a first driving belt and a position restoring element, and at least one second driving module installed between a pivotal axle of the first driving wheel and an axle center of a rear wheel and comprising a second driving wheel, a second driven wheel and a second driving belt. The step member is pedaled to move the driving rod of the first driving module and drive the first driving belt to rotate the first driving wheel, and the coaxial second driving wheel of the second driving module drives the second driven wheel and the rear wheel to rotate through the second driving belt, so as to achieve a dual drive effect of driving a scooter to move.11-11-2010
20110115190BICYCLE PROPULSION ASSEMBLY HAVING TELESCOPING ELONGATE MEMBERS ENGAGEABLE THROUGH CIRCULAR MOTION - The present invention provides a propulsion assembly for a bicycle. The propulsion assembly includes a support member that at least extends from the bicycle frame to a distal end spaced-apart from the rear wheel. The assembly includes a first drive mechanism rotatably mounted on the frame and axially connected to the rear wheel for transmitting motion thereto. A second drive mechanism is rotatably mounted at the distal end of the support member and coupled with the first drive mechanism. Ratchet mechanisms axially extend from the second drive mechanism and connect to a pair of elongate members. The bicycle has pedal arms with pedals extending therefrom. The elongate members are pivotally, operatively connected to the pedals. The pedals with pedal arms are movable in a circular manner for transmitting rotational power to the elongate members for propelling the bicycle.05-19-2011
280256000 Linkage and crank 14
20090008898Scooter with pedals - A vehicle (01-08-2009
20110049830Cycle propelling mechanism - A cycle propelling mechanism includes a rail disposed on a cycle frame, two cranks rotatably coupled to the cycle frame with a main drive shaft, two levers each include one end pivotally coupled to the crank and the other end slidably coupled to the rail for allowing the levers to be moved cyclically relative to the cycle frame, and two foot pedals pivotally attached to the levers for being stepped and operated by user's feet and for allowing the cranks and the lever to be rotated relative to the cycle frame in an elliptical moving stroke and for allowing the foot pedals to be stepped and moved for a longer stepping or moving stroke by the user, and for effectively exercising the more or bigger muscle groups of the user, and for applying bigger power to the cycle propelling mechanism.03-03-2011
20140001727FOOT PEDAL DRIVE AND PROPULSION DEVICE01-02-2014
20140265215DRIVE SYSTEM WITH CONTOURED CAVITY - The present invention is an improved drive system for a personal vehicle comprising: a frame with a steerable front wheel and rear wheel connected to a drive axle connected to a crank arm by a drive linkage; a roller rotatably attached to the crank arm; a pedal pivotally attached to the frame having a cavity for receiving the roller; a contoured wear bar carried by the cavity for contacting the perimeter of the roller; a major arch included in the contoured wear bar contacting the roller when the pedal is on a down stroke; a minor arch included in the contoured wear bar for providing additional power when the pedal is near the end of its down stroke; and, a major front slope included in the wear bar for contacting the roller when the pedal is in its upstroke to place the pedal at its highest most position.09-18-2014
20160046351DRIVE ASSEMBLY AND EXERCISE APPARATUS INCLUDING A DRIVE ASSEMBLY - There is provided a drive assembly for converting the motion of a person running or jogging into mechanical motion to drive a machine or apparatus, such as self propelled apparatus like a bicycle, or stationary exercise apparatus. The drive assembly comprises a rotatable member, such as a crank arrangement, coupled to a frame of the machine and to stirrups, and where foot pedals are pivotally attached to each of the stirrups. A first pivot is connected between a stirrup and the rotatable member, and a second pivot is connected between the same stirrup and the frame. Preferably, a pivot axis of a foot pedal remains below the first pivot and the second pivot during motion of the foot pedal. Preferably, the pivot axis of the foot pedals trace asymmetric ovate paths during motion of the foot pedals. Motion of the foot pedals drive the rotatable member.02-18-2016
280257000 With gearing 9
20110031715BICYCLE TRANSMISSION WITH CLUTCH - A bicycle includes a frame, a pedaling device, a sprocket device, a stepping device and a clutch device. The pedaling device is furnished on the frame for a rider to perform pedaling operation. The sprocket device includes an axle pivotally coupled to the frame and a front sprocket rotatably mounted on the axle. The stepping device is connected between the pedal device and the sprocket device for transmitting power from the pedal device to rotate the axle and increasing moment of force of the pedaling operation by a reciprocal stepping operation. The clutch device is furnished on the frame for performing a first position to engage with the front sprocket so that the front sprocket is driven together with the axle by the stepping device to rotate, and a second position to disengage from the front sprocket so that the front sprocket is free from driven by the stepping device.02-10-2011
20110057412PEDAL-DRIVE SYSTEM FOR MANUALLY PROPELLING MULTI-WHEELED CYCLES - A pedal-drive system for propelling multi-wheeled cycles includes two pedal level arms connected to a pair of two-bar linkages, which are drivingly attached to corresponding crank pins on each respective side of a common drive spindle, perpendicular to the cycle frame. The linkages rotate the said spindle per each pedal's downward stroke so that when one pedal arm is all the way down, the opposite pedal's crank pin is already beyond full up position, thus ensuring continuous rotation of the drive system. A sprocket on the spindle drives a chain, that drives a sprocket on a back wheel. For higher speeds, a typical bicycle multi-sprocket-cone and speed changing chain-derailleur may be incorporated. The pedal system may be used for small to large manually powered cycles, particularly scooters and bicycles, and may also include an auxiliary electric motor and battery for propulsion.03-10-2011
20110221163STANDING BIKE - A standing bike is provided. The standing bike comprises a body part, a handle part and a power generating part. The body part includes a driving wheel rollably coupled to the rear thereof. The handle part includes a steering wheel provided in the front of the body part to determine the steering direction of the body part. The power generating part includes a rod coupled to the center of the driving wheel, a pedal installed at one end of the rod to generate driving power, and gear means consisting of a plurality of gears with different gear ratios provided at a lateral side of the driving wheel to increase the turning ratio of the pedal. The pedal is turned at limited angles from the top of the body part to the rear side of the body part to generate a rotational force when being depressed. The rotational force is transmitted to the driving wheel. The pedal is automatically returned to its original position by clutch means after the depressing operation and is ready for next depressing operation.09-15-2011
20120086182Lever enhanced pedaling system with wrap around chain propulsion system - A propulsion system of a lever propelled bicycle that utilizes a right and left side assembly consisting of two sets of linear chain links with an offset connection to one another by a spacer means, wherein each assembly is able by said spacer connection means to wrap around separate radial drive members at least 1¾ revolutions without wrapping around itself, therefore providing the rotational pulling means of it's connected radial drive member with a propulsion that is consistent in range and torque. The propulsion system also provides means of rewrapping each chain assembly around its radial drive member for reciprocal rotational pulling action by alternate levers when a rider applies force to each pedal.04-12-2012
20130161924KICKBOARD-TYPE BICYCLE - The present disclosure relates a bicycle, and more particularly, to a kickboard-type bicycle capable of being used as a kickboard or a bicycle according to the user's choice, can be shifted between different speeds for easy speed control, requires the use of both legs (unlike conventional kickboards) so as to promote the balanced growth of youngsters who are in their growing years, and has pedals that can be adjusted to positions suitable for the user. To this end, the kickboard-type bicycle according to the present invention, with respect to a bicycle having a front wheel steered by a handle and a rear wheel driven by pedals, has a handle connected and fixed to the front of the body through a connecting frame, has one end of a link coupled via a hinge to one end of a pedal and the other end of the link coupled via a shaft with a crankshaft, has a drive sprocket installed on one end of the crankshaft, has a rotation shaft formed on the rear bottom side of the body with the rear wheel installed at the end thereof, has a multistage sprocket for shifting speed installed on an end of the rotation shaft, and has the drive sprocket installed on the crankshaft connected via a chain to the multistage sprocket installed on the rotation shaft.06-27-2013
20130200590PEDAL-DRIVEN ROLLER BOARD - The present invention relates to a roller board, and more particularly, to a pedal-driven roller board that converts a reciprocating motion of pedals formed on the board into a rotational motion to drive a gear, so that a user can drive the board without kicking the ground. Furthermore, the pedal-driven roller board includes a derailleur, so that a user can conveniently control the speed of the pedal-driven roller board. Moreover, a user can develop and strengthen his/her muscles by pedaling the pedal-driven roller board. To this end, a pedal-driven roller board according to the present invention includes: a handle disposed at the front side of a board to steer a front wheel; a rear wheel at the rear side of the board; and two pedals formed on the top surface of the board to drive the rear wheel. Further, the pedal-driven roller board includes: a link having an end hinged to the bottom surface of a pedal; a driving gear formed on an end of a crankshaft connected through a shaft to the other end of the link to convert a reciprocating motion of the pedal into a rotational motion; a clutch gear engaged with the driving gear to rotate, and selectively connected to one of either a first speed gear or a second speed gear to rotate same; a first connecting gear and a second connecting gear, which rotatably engage with the first speed gear and the second speed gear, respectively, and are installed on an end of a connecting shaft; a transmission gear installed on both ends of the connecting shaft and rotated by torque transmitted through the connecting shaft from the first and second connecting gears; and a rotation gear engaging with the transmission gear to rotate, and connected to the rear wheel through a rotation shaft to transmit the torque from the transmission gear to the rear wheel.08-08-2013
20130313802Mobile Elliptically Driven Device and Steering Mechanism - A steering mechanism is provided that steers by imparting a variable amount of toe or camber to a wheel, and is capable of imparting both toe and camber using a single mechanism. Some versions of the steering mechanism can provide extremely high stability during turns controlled by the simple leaning of the operator. Vehicles using the mechanism are provided, including lean-steered vehicles, and including a three-wheeled mobile elliptically driven device.11-28-2013
20140339787Multiple Speed Planetary Gear Hub for a Stepping Motion Propelled Bicycle, tricycle or Vehicle - The invention relates to a multiple speed planetary gear hub for a stepping motion lever propelled bicycle, tricycle or vehicle. The planetary gear hub consist of two or more planetary gear sets mounted in series rotatable around a drive shaft, and a speed selector or control device to select the desired gear ratios.11-20-2014
20140367940EASY-PEDALING AND LABOR-SAVING BICYCLE - An easy-pedaling and labor-saving bicycle includes a frame, a front and a rear wheel set, a transmission set driving the rear wheel set, and a pedal device driving the transmission set. The pedal device includes a crank disposed on the frame, a link-up member driving a rear link-up plate to rotate, a link-up strip disposed between one end of the crank and the link-up member, a pedal unit disposed at the other end of the crank, and a straining member disposed between the frame and the link-up strip. Pedaling the pedal unit makes the crank set as an extension of a moment arm for increasing a force moment imparting to the transmission set. The crank swings downward easily to allow the other end thereof to pull the link-up strip, whereby the link-up member, the transmission set, and the rear wheel are driven to pedal easily, save labor and drive quickly.12-18-2014
280258000 Ratchet and gearing 1
20130307245Lever-Propelled Bicycle - A bicycle equipped with two, oscillatingly mounted on a joint axis (11-21-2013

Patent applications in all subclasses Oscillating lever

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