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Class 280/208 - Dicycles


Subclass of Class 280 - Land vehicles
Definition: Vehicles which have two wheels side by side.
No. of patents: 21
Last issue date: 11/30/2010


NumberTitleIssue Date
7841610Foldable people-carrying vehicle
A vehicle includes a chassis body, a footrest member pivoted to a front end of the chassis body, a rear wheel assembly joined on the chassis body, a seat, a front wheel assembly in front of the footrest member, and a steering device; the seat is pivoted on an upper ...
11/30/2010
7278507Collapsible personal transportation vehicle
A collapsible personal transportation vehicle may be compacted and stowed in a mobile home, recreational vehicle, or the like, during periods of non-use and transport. Although the vehicle may be powered with a gasoline or electric power plant, a propane fueled engi...
10/09/2007
7207403Transportable power wheelchair
A transportable power wheelchair is provided which employs a variety of detachable modules to facilitate transportation and storage. The wheelchair may be readily disassembled/reassembled by a single individual without assistance and/or the need for special tools. T...
04/24/2007
7188694All-surface vehicle
An all-surface vehicle comprising a pair of large inflatable tubes mounted on a common axis with sufficient buoyancy to enable the vehicle to travel on water and having a motor for independently driving each of the tubes, together with a passenger or load carrying c...
03/13/2007
7159878Mobile back-pack
A mobile back-pack for sports or military use is disclosed. A back-pack is devised in the form of a cabinet having the shape of a trapezoid, the cabinet being rotatably secured to a disc. The disc is dimensioned so as to permit an operator to grasp a handgrip railin...
01/09/2007
7146008Conditional access television sound
A digitally encrypted audio signal may be transmitted with an analog television signal. Access to the analog television video signal may be controlled by using graphics overlay techniques. The use of digital encryption techniques on the audio channel prevents improp...
12/05/2006
6910701Wheelchair propulsive mechanism
A wheelchair propulsion system provides a wheelchair user with a continuous input drive path of linear or elliptical shape. The propulsion system includes a Cardan gear system defining a linear reciprocating or elliptical input path over which propulsive force may b...
06/28/2005
6854751Object lifting and moving device
An apparatus facilitating the lifting and movement of objects. The present invention, in one embodiment, features a curved rim extending around a mounting plate to which an object or an object carrier can be attached. The object is mounted off-center relative to the...
02/15/2005
6726231Vehicle
A vehicle has two suppoting wheels, each mounted on an axle. A carriage that can hold a human rider is positioned in between the supporting wheels, suspended from the axle. No portion of the carriage extends from the axles a distance greater than the radius of the s...
04/27/2004
6457731Side wheels for scooter boards
An attachment for affixing hand operated side wheels to a scooter board is described. The attachment has a frame, preferably made from a metal strap with up-turned ends. The ends are sufficiently spaced to accommodate a scooter board placed between them. ...
10/01/2002
5860663Land transportation device
A land transportation device for compact, sandy and open land, with or without a slope, based on the intersection of two reinforced and identical truncated rings in orthogonal planes with respect to each other. The geometric centers shifted of the rings a...
01/19/1999
5769441Vehicle having two axially spaced relatively movable wheels
A parallel vehicle includes three main control systems. The first controls the position and angle of the two parallel wheels relative to a fixed chassis, enabling the wheels to be moved outwardly and inwardly and the camber varied for greater stability, a...
06/23/1998
5634651Land transportation device
A land transportation device for compact, sandy and open land, with or without a slope, based on the intersection of two reinforced and identical truncated rings in orthogonal planes with respect to each other. The geometric centers shifted of the rings a...
06/03/1997
4973071Dicycle
A dicycle includes a pair of parallel wheels, a crankshaft to whose end portions the wheels are attached, upwardly extending control rods connected to and pivotable about the axles, and lever members which extend downwardly and contact the ground at a poi...
11/27/1990
4743849Magnetizing device for recording flaw fields in the process of magnetographic inspection
A magnetizing device includes a two-pole electromagnet with four rollers mounted in pairs on the poles of the electromagnet and interacts with a respective guide. These guides are made as rings. The rollers are mounted on the poles by means of half-axles ...
05/10/1988
4655469Ball cycle
A ball cycle is provided and consists of a seat carried by a frame for supporting a body of a rider thereon, a mechanism for driving a pair of large wheels spaced apart and carried on a main axle which is rotatably mounted on the frame, a pair of stabiliz...
04/07/1987
4620714Ambulatory wheelstand
The present invention discloses a wheelstand for handicapped or immobile persons having a generally rectangular main frame rotatably supported on a ground support surface by relatively small wheels while larger wheels are rotatably mounted to the frame an...
11/04/1986
4524988Upright bicycle for handicapped
An upright bicycle for supporting a handicapped or infirm person in a generally vertical position while providing a self-propelled ambulatory capability is disclosed. A pyramidal-shaped frame is comprised of a plurality of generally vertical telescoping m...
06/25/1985
4324413Unicycle with water balance
This invention consists of a unicycle having a rubber tire equipped double wheel, located within a light adjustable body which serves as a seat and a handle for holding onto. It is further equipped with a water container located between the double wheel, ...
04/13/1982
4192395Amusement vehicle
A vehicle, especially an amusement vehicle, in which a frame having a seat adapted for seating two occupants is located within the radial confines of a pair of relatively large coaxial spaced wheels. The frame includes rollers mounted thereon and distribu...
03/11/1980
4163567Vehicle, especially amusement vehicle
A vehicle, especially an amusement vehicle, in which a frame having seating means for receiving at least one occupant is located within the radial confines of a pair of relatively large coaxial spaced wheels. The frame includes rollers mounted thereon, di...
08/07/1979
 
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