Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8162340 | Spiral rotor chain shifting system A mechanism for shifting a chain from one sprocket to another sprocket is disclosed herein. The mechanism preferably includes rotor assembly, a control element and a chain tensioner. The rotor assembly preferably has a conical shaped body with a chain slot having cl... | 04/24/2012 |
| 8136827 | Belt drive system A self aligning belt drive system comprises a belt drive having a plurality of longitudinally spaced inner lobes each having an alignment groove. The system further comprises at least one pulley comprising a frame configured to rotate about a rotation axis and havin... | 03/20/2012 |
| 7914029 | Continuously variable transmission Traction planets and traction rings can be operationally coupled to a planetary gearset to provide a continuously variable transmission (CVT). The CVT can be used in a bicycle. In one embodiment, the CVT is mounted on the frame of the bicycle at a location forward o... | 03/29/2011 |
| 7854441 | Bicycle drop out A bicycle drop out comprising a seat stay mount having a first receiving portion, a chain stay mount having a second receiving portion, a back plate releasably connected to the seat stay mount and the chain stay mount, the back plate comprising a first member for en... | 12/21/2010 |
| 7401799 | Recumbent vehicle Disclosed is a recumbent bicycle having a frame with at least one tubular member having a lumen. Mounted to the frame are a rear wheel assembly and a transmission assembly. The transmission assembly can include a first gear, a second gear, and a chain that extends f... | 07/22/2008 |
| 7367599 | Inflatable bumper car An inflatable bumper car has an inflatable structure having a seating area and a lower cavity. The frame structure fits within the lower cavity of the inflatable structure. The steering wheel has an electrical control. The wheels are mounted on the frame structure. ... | 05/06/2008 |
| 7367632 | Hub assembly for disk brake of bicycle A hub assembly for a disk brake of a bicycle includes a support shaft, a hub body pivotally mounted on the support shaft and provided with two drum disks, a mounting portion protruding from one of the drum disks, a threaded section protruding from the mounting porti... | 05/06/2008 |
| 7367576 | Foldable bicycle A foldable bicycle includes a head strut, a seat strut, and first and second bracing struts pivotally mounted to one another about four pivot axes such that lifting of a pivot joint of the first and second bracing struts towards the head strut results in turning of ... | 05/06/2008 |
| 7367575 | Arrangement structure of speed-change cable To improve the operability by a speed-change cable and to reduce the cable by selecting an adequate arrangement structure of the speed-change cable from a transmission case to an operating element of a handle on the front portion of a vehicle body. An arrangement st... | 05/06/2008 |
| 7361109 | Bicycle gear set A bicycle gear assembly has first and second sets of cog wheels, each having at least three cog wheels of various sizes including a largest cog wheel and a smallest cog wheel. These two sets are oriented so that the largest cog wheel of the first set is aligned with... | 04/22/2008 |
| 7354055 | Recumbent vehicle Disclosed is a recumbent bicycle having a frame with at least one tubular member having a lumen. Mounted to the frame are a rear wheel assembly and a transmission assembly. The transmission assembly can include a first gear, a second gear, and a chain that extends f... | 04/08/2008 |
| 7350436 | Electrical bicycle shift control device An electrical bicycle shift control device is provided that includes a handlebar mounting portion and an electrical shift control switch portion. The handlebar mounting portion is configured to be fixedly mounted in a free end of a handlebar. The electrical shift co... | 04/01/2008 |
| 7344468 | Bicycle crank speed change sprocket module A bicycle crank speed change sprocket module includes a fixed star gear having a ratchet around its internal periphery, at least two planet gears and two chains pivotally coupled and axially disposed on both sides of a plate, and the plate is driven to rotate by a c... | 03/18/2008 |
| 7338058 | Bicycle frame with an integrated gear housing, and a gear housing for a bicycle frame A bicycle frame with a seat tube (1), a headset tube (3), a pedal-bearing housing (5), and a gear housing (6) is characterized by the fact that the pedal-bearing housing (5) and the gear housing (6) are directly connected to... | 03/04/2008 |
| RE40127 | Human-powered driving mechanism A human powered drive units each including a pair of a rotatable member having a sprocket and a supporting member having a sprocket, which are arranged up and down, and including a chain extended around the rotatable member and the supporting member, are disposed at... | 03/04/2008 |
| 7311321 | Wheel mounting and drive arrangement for a cycle, especially for a recumbent bicycle A cycle that has two fixed frame arms extending down on each side of the head tube axis, and a steering arm rotatably mounted in the head tube extends down between the frame arms and has a laterally off-set lower portion. A mounting member is fixed to the lower end ... | 12/25/2007 |
| 7296815 | Bicycle suspension apparatus and related method Bicycles are disclosed which include a rear wheel suspension system. The rear wheel suspension of the present bicycles are designed to move an instant center to track a chain torque line of the bicycle and generally improve performance of the bicycles. In certain em... | 11/20/2007 |
| 7293623 | Assembly of a wheelchair and a reclining cycle An assembly comprising a wheelchair and a reclining cycle part which are connectible to each other with the aid of a coupling, the reclining cycle part comprising a wheel and at least one pedal with which the wheel is drivable, so that the assembly in a coupled cond... | 11/13/2007 |
| 7290779 | Bicycle shift control apparatus that cancels a tentative shift A bicycle shift control apparatus comprises a threshold value setting unit that sets a threshold value of a running condition for shifting a bicycle transmission, a decision unit that decides if a current running condition value passes the threshold value, and a ten... | 11/06/2007 |
| 7288038 | Bicycle shift control apparatus with preferential shifting A shift control apparatus is provided for a bicycle that has a front transmission and a rear transmission, wherein each transmission has a plurality of gear steps. The apparatus comprises a travel condition sensing unit and a control unit that operates one of the fr... | 10/30/2007 |
| 7270334 | Wheel assemblies for use with load bearing platforms A wheel assembly for supporting a load bearing platform includes a primary wheel and at least four secondary wheels that are of equal size. The primary wheel includes at least one planar member having an even number of axles at fixed locations extending perpendicula... | 09/18/2007 |
| 7264256 | Bracket assembly for a motor controlled bicycle transmission A bracket assembly for mounting a motor or other control device to a bicycle frame includes a bracket base for supporting the control device at least partially above a chain stay, and a bracket support extending from the bracket base for coupling the bracket base to... | 09/04/2007 |
| 7249778 | Vehicle A vehicle includes a load-bearing body having a front end and a rear end, at least one carrier supporting the body on a surface on which the vehicle is positioned, and a steering device. The steering device includes at least one wheel and at least one castor-type wh... | 07/31/2007 |
| 7246809 | Recumbent bicycle A bicycle having a frame with a single steering arm rotatably mounted in the frame and extending downwardly away from the frame. A wheel support is provided at the end of the arm and a front wheel is rotatably mounted on the wheel support with a single bearing. The ... | 07/24/2007 |
| 7243937 | Bicycle control apparatus A bicycle control apparatus comprises a mounting member structured to be attached to a bicycle, a control unit structured to be mounted to the mounting member and a battery unit structured to be detachably mounted to the control unit above the control unit. ... | 07/17/2007 |
| 7226393 | Exercise bicycle A unique structure for an indoor exercise bike that provides strength in its design, as well as the flexibility to create an aesthetically appealing frame structure. The monocoque frame design, including two symmetrical halves joined together, forms a very strong, l... | 06/05/2007 |
| 7213485 | Bicycle assistive handlebar structure A bicycle assistive handlebar structure installed at the anterior extent of a front fork stem, stem clamp mount that serves as a means of conjoinment. The stem clamp mount consists of a concave section and a threaded hole that provides for the fastening of bolts ins... | 05/08/2007 |
| 7201390 | Scooter operated manually or automatically A scooter includes a main body, a rear wheel mounted on a rear end of the main body, and an operation mechanism mounted on the main body and connected to the rear wheel to move the rear wheel. When in use, the rider steps on the two pedals to move the scooter forwar... | 04/10/2007 |
| 7188573 | Water jet propulsion watercraft A water jet propulsion watercraft can be provided with: a supporting member that supports a straddle-type seat on a deck thereof. Steering handlebars can be disposed in front of the seat. A space can be formed between the seat and the deck directly underneath the se... | 03/13/2007 |
| 7175570 | Exercise bicycle frame An exercise bicycle including a frame, an adjustable seat structure, and an adjustable handlebar structure. One example of the frame includes a front fork, a down tube connected with the front fork, a seat tube, and a bottom frame member. The down tube has a first s... | 02/13/2007 |
| 7168723 | Front wheel drive for toy vehicles Front wheel drive mechanism for toy vehicles in which supports are attached to the vehicle, with a drive bar being positioned between them, at each end of which is mounted a respective sub-assembly including a clasp and a cross link, of which two legs are fitted int... | 01/30/2007 |
| 7168726 | Ultra lightweight, high efficiency bicycle suspension A rear suspension road bicycle frame uses an integrated rear shock absorbing assembly installed in a typical diamond bicycle frame with a head tube, down tube, top tube, seat tube, tubular chainstays, tubular seat stays, brake bridge at the top of the seat stays con... | 01/30/2007 |
| 7152868 | Vehicle with variable guided pendular motion A vehicle (1) includes a chassis (2) which has a steering assembly (3) at one end and at least one wheel at the other end. The steering assembly includes a pair of steering wheels (4a, 4b) and an interconnecting steer... | 12/26/2006 |
| 7153229 | Chain alignment structure of bicycle transmission The present invention provides a chain alignment mechanism of a transmission for a bicycle which includes a drive sprocket wheel which is rotatably driven by a crankshaft, a driven sprocket wheel which is drivably connected with an output shaft which is rotated in a... | 12/26/2006 |
| 7127966 | Aerobar assembly An aerobar assembly is arranged to be mounted on the handlebar stem, rather than on the handlebars, of a bicycle. The aerobar assembly in turn supports the handlebars. By mounting the aerobar on the stem, the range of adjustability of the aerobar is greatly increase... | 10/31/2006 |
| 7114737 | Recumbent vehicle Disclosed is a recumbent bicycle having a frame with at least one tubular member having a lumen. Mounted to the frame are a rear wheel assembly and a transmission assembly. The transmission assembly can include a first gear, a second gear, and a chain that extends f... | 10/03/2006 |
| 7108097 | Power assisted recumbent bicycle and power unit An recumbent bicycle or tricycle, FIG. 1B, having an electric assist module mounted between the pedal mechanism and rear wheel gear mechanism. This mounting position allows the assist module to take advantage of the bicycle or tricycle's rear wheel gears to i... | 09/19/2006 |
| 7097190 | Bicycle with swing arm and transmission A bicycle is provided with a body frame, a swing arm structure, a rear wheel, and a transmission. The transmission includes a drive rotation body to be rotation-driven by a crankshaft, and a plurality of gear-change rotation bodies. The transmission is provided with... | 08/29/2006 |
| 7093516 | Simple, compact and effective self-extending and retracting bicycle crank arm This invention is a bicycle crank and pedal assembly with a self-extending and retracting crank arm. The assembly only has three one-piece components that move relative to each other, if the bearings used in friction reduction are ignored. It is simple in design, co... | 08/22/2006 |
| 7077029 | Cycle handlebars and attachments with adjustable forearm pads A cycle handlebar is provided comprising a central cross piece, a pair of forearm pad supports extending from the cross piece, each of said pad supports having a length extending substantially parallel to the cross piece and a pair of laterally spaced steering arms ... | 07/18/2006 |
