Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7267639 | Compound bicycle exercising device A compound bicycle exercising device includes two foot pedals rotatably attached to a base, for being operated by users, two handle stems pivotally attached to the base, for being rotated by the users, and two rotary members secured to each handle stem. A spindle is... | 09/11/2007 |
| 7223210 | Quad cycle and exercise machine This invention is a quad cycle and exercise apparatus with arm and foot power as propulsion. The rider is upstanding during operation. ... | 05/29/2007 |
| 6964424 | Drive system A drive system for use in a bicycle or the like, which includes a manually-operable member and a drive train connected to the member for transferring drive from the member to at least one of the bicycle wheels. The member is mounted for substantially rectilinear rec... | 11/15/2005 |
| 6916031 | Frictionless bicycle stopping device A bicycle braking device includes a second drive assembly between the crankshaft and the rear axle of the bicycle. The second drive assembly includes a chain drive and pair of engaged gears for reversing the direction of rotation of the crankshaft with respect to th... | 07/12/2005 |
| 6129646 | Apparatus for propelling a cycle Manually powered propulsion apparatus includes two pedals mounted on an endless flexible member. Depression of either pedal will cause the other to move to a raised or retracted position. Two crank members are connected to the drive wheel of the cycle inc... | 10/10/2000 |
| 5979922 | Bicycle having novel drive and steering mechanisms A bicycle includes a frame having front and rear sections. The frame includes a pair of guides that are disposed in a parallel relationship and carry a portion of the load generated by a seated rider. The guides define therebetween a pedal drive path that... | 11/09/1999 |
| 5613918 | Bidirectional torque responsive belt tensioner This invention relates to the field of power transmission, and more specially, to a torque responsive belt tensioner for a friction belt. Because of recent concerns for the ecology of our planet there has been a resurgence of interest in human powered veh... | 03/25/1997 |
| 5520401 | Step drive cycle A bicycle having pivotally mounted steps on alternate sides receives a rider straddling the bicycle frame while standing upon the steps. The rider shifts weight from side to side alternately driving each of the steps downward while the other step moves up... | 05/28/1996 |
| 5404771 | Device for disposing the toe clips on bicycle pedals in upright operative positions when the toe clips are not engaged by the cyclists shoes A device for disposing toe clips on bicycle pedals in upright positions when the toe clips are not engaged by the cyclist's shoes comprises a pivot member suspended from the crossbar of the frame of the bicycle centrally above the sprocket wheel connected... | 04/11/1995 |
| 5368321 | Dual-footboard low-profile exercise cycle An exercise cycle is propelled by a stair-stepping action of the driver's legs, with the feet placed on a pair of front-hinged footboards located along opposite sides of the vehicle. A novel cable and chain drive system delivers driving torque to the rear... | 11/29/1994 |
| 5356175 | Anti-rattle and retention structure for a flangeless inflator of an airbag restraint assembly An inflator, which is shorter than a reaction can of an airbag restraint assembly and which has a flangeless base at one end thereof, is mounted in the reaction can. The mounting structure for the flangeless inflator has a generally circular open cylindri... | 10/18/1994 |
| 5156412 | Rectilinear pedal movement drive system A drive system for the application of rectilinear drive force, wherein the rectilinear force is converted to a rotational force. The apparatus employs power blocks which are slidably mounted upon opposing parallel rectilinear motion guides. The power bloc... | 10/20/1992 |
| 4928986 | Arm and leg powered cycle An arm and leg powered cycle using a linear reciprocating motion of arm and leg drive members to provide power. An elongated bicycle chassis has a forward and a rear wheel, a seat with a back rest for the operator, and lower and central support members. T... | 05/29/1990 |
| 4169609 | Bicycle wheel drive A bicycle wheel drive has a pair of pedals arranged for reciprocal motion at a slight angle from vertical beneath and forwardly of the seat of a bicycle. Sprockets on the bicycle at the opposite ends of the paths of the reciprocable pedals receive bicycle... | 10/02/1979 |
| 4133550 | Bicycle and power transmission system A drive system for providing propulsion forces having predetermined characteristics for a bicycle or the like having a rear wheel manually operable by application of rider generated input forces through pedals mounted on crank arms operatively connected t... | 01/09/1979 |
| 4093261 | Coaster brake for bicycle with derailleur speed change mechanism A chain seizing device responds to reverse movement of the driving chain to declutch the wheel hub from the multiple drive sprocket and apply the coaster brake to the wheel hub. Forward rotation of the sprocket moves a clutch member axially in one directi... | 06/06/1978 |
