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| Number | Title | Issue Date |
| 7137470 | Drive device for an industrial truck A drive device for an industrial truck includes a pivoted bolster rotatable around a vertical axis (V), two drive wheels (4, 5) mounted on the pivoted bolster and a device located axially between the drive wheels (4, 5) to generate a differential actio... | 11/21/2006 |
| 6932370 | Human-powered, ride-on vehicle A human-powered, ride-on vehicle, includes a main longitudinal frame member having a steering/drive mechanism mounted thereon for oscillating movement; a driven rear wheel having an axle, a rear sprocket operatively fixed to the rear wheel for coastable engagement t... | 08/23/2005 |
| 6769706 | Pedal powered scooter The following invention is directed to a pedal powered two wheel scooter. The invention discloses a scooter having a steerable front wheel assembly, a rear wheel assembly and a frame linking the front and rear wheel assemblies. The scooter has a drive mechanism comp... | 08/03/2004 |
| 6334838 | Exercising cart structure An exercising cart structure. The structure includes a cart body, a front wheel steering unit, a driving wheel unit, a chain and a rear wheel unit. The front wheel steering unit is installed on a front section of the cart body. The driving wheel unit is i... | 01/01/2002 |
| 6241269 | Drive mechanism for vehicle A foot driven vehicle utilizing a platform. The platform is motivated on a surface utilizing a foot pedal connected to a crank. The crank further includes an endless surface which is linked to a first wheel supported directly to the bottom of the platform... | 06/05/2001 |
| 6131933 | Drive mechanism for vehicle A foot driven vehicle utilizing a platform. The platform is motivated on a surface utilizing a foot pedal connected to a crank. The crank further includes an endless surface which is linked to a first wheel supported to the bottom of the platform. An elem... | 10/17/2000 |
| 6079727 | Occupant pedaled skateboard A foot driven vehicle utilizing a platform. The platform is motivated on a surface utilizing a foot pedal connected to a crank. The crank further includes an endless surface which is linked to a first wheel supported to the bottom of the platform. An elem... | 06/27/2000 |
| 5284355 | Treadle-type vehicle having a foldable front wheel shaft A human-powered vehicle includes a folding front axle with front wheels, at least one rear wheel, and rear castors. The vehicle may stand upright on the castors and the rear wheel in order to reduce the parking area. The vehicle driver reciprocates a manu... | 02/08/1994 |
| 4796907 | Muscle-power-driven vehicle A chain-propelled vehicle is driven forward by pulling a spring-biased lever to which the chain is attached. The vehicle is steered by feet of an operator and has a steering-box geometry which imparts camber to a rear wheel when the vehicle negotiates a t... | 01/10/1989 |
| 4749207 | Hand propelled and foot steered cart A non-motorized cart for carrying a rider who supplies propelling energy for the cart, including: a frame having an H-shaped form, a front end and a rear end; two front wheels and two rear wheels; a crank mechanism connected to the rear wheels for rotatin... | 06/07/1988 |
| 4632414 | Land vehicle propelled by simulated rowing motion A wheeled land vehicle propelled by a rowing or sculling motion of a rowing member pivotally extending from the frame thereof which is in operative connection with the rear drive wheel. Front wheels are journalled from each side of the frame and are steer... | 12/30/1986 |
| 4601482 | Self propelled wagon A self-propelled wheeled wagon having cargo and seat sections. The user transmits a reciprocating movement, through a propelling mechanism, to the on of the rear wheel. The steering is achieved by directly moving the pivoting front wheels axle with the us... | 07/22/1986 |
| 4524987 | Tricycles This invention provides a tricycle having a simple frame that is shaped to provide an efficient low profile, lever actuation, which is adapted to be hand-operated for enjoyable, interesting and efficient training purposes, including efficient propulsion, ... | 06/25/1985 |
| 4515362 | Exercise tricycle An exercise tricycle comprises a rear wheel, a one-way forward wheel, a front steering wheel and a brake mechanism which together provide the user with excellent exercise results. One of the user's feet is placed on the front wheel pedal, while the other ... | 05/07/1985 |
| 4408772 | Sailing vehicle Disclosed herein is a sailing vehicle with a collapsible frame comprising two longitudinal supports, a plurality of identically constructed transverse struts detachably connected to the longitudinal supports, at least one sail mast, at least one seat, two... | 10/11/1983 |
| 4241932 | Wheelchair steering apparatus A wheelchair having a turntable rotatably mounted on one footrest thereof. The turntable is operatively connected to the mounting fork of a steering caster by means of an extended link and a lever bar whereby rotational movement of the turntable by the fo... | 12/30/1980 |
| 4170271 | Steering system for personnel carrier A steering system for a personnel carrier of a relatively slow moving type, useful for carrying farmers through grain fields performing manual weed-removal functions. The steering system utilizes a foot movable pallet conveniently positioned for engagemen... | 10/09/1979 |
| 4151892 | Motorized terrestrial surf-board The disclosure is of a sporting vehicle which is the combination of a frame mounted on at least three ground wheels two of which are steerable, a driving engine on the frame, a foot board tiltable about a transverse axis for controlling the speed of the e... | 05/01/1979 |
