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WO/2004/014667A1 |
A multiple directional wheel (10) including a frame (11) having a central hub (12) rotatable about a main axis and a plurality of roller supports (16) radially spaced from the central hub, a plurality of rollers evenly spaced around the ...
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WO/2004/007266A1 |
A vehicle of the industrial truck type comprises a chassis (3), at least three wheels (4) arranged to support the chassis while resting on the ground and a lifting unit (8) connected to the chassis having one or more members (9) arranged...
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WO/2003/099588A1 |
The invention relates to a caster wheel having a half−hubcap with a groove inserted with an Y−shaped bracket. A mandrel installed with small drum−shaped rollers are mounted in the bore of the prong of the bracket. A short mandrel i...
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WO/2003/099587A1 |
A self-propelled four-wheel vehicle (1) for travel on land and/or on rails includes four hubs (9) for mounting of wheels including tires (6) for travel on land, four rail wheels (7) for travel on a railway, and four coupling assemblies, ...
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WO/2003/097944A2 |
A compactor wheel comprises a rigid cylinder defining a rim (10) having outer and inner surfaces and a plurality of teeth mounting apertures (11) extending through the rim. A plurality of teeth (1, 2) are releasibly mounted on the rim (1...
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WO/2003/084769A1 |
The essence of the invention is in taking away, as much as possible, the medium volume (air at road vehicles) from the slow airflow zone in the space between vehicle bottom and road surface in proportion to vehicle motion speed, or in su...
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WO/2003/068580A1 |
The present invention relates to an arrangement in a wheel lifting mechanism designed to lift at least one wheel (1) running on an underlying surface so that it is capable of negotiating an obstacle (h) rising above the underlying surfac...
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WO/2003/066351A1 |
The inventive disc-type wheels (1) comprise profiled struts (4) as the wheel spider, which, as a result of their turbine effect, reduce the negative pressure beneath a motor vehicle (7) equipped with said wheels, thus maintaining or even...
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WO/2003/034158A2 |
A robot (10) for inspection adapted to travel virtually unlimited distances through small-diameter enclosed spaces such as pipes, conduits or ducts, preferably using a fluid-driven turbine power generation and storage system (80) supplyi...
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WO2002024417B1 |
The Transformable vehicle (100) comprises a central chassis assembly (114) having first and second distal ends with an axis passing therebetween, a first wheel assembly (110a) mounted to the first distal end, and a second wheel assembly ...
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WO/2002/046031A1 |
A multi-directional wheeled transport vehicle for propelling components disposed thereon which has a structural base consisting of a chassis (20) and a top (22) with axles (44, 46 and 48) rotatably affixed to the chassis. A bi-directiona...
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WO/2002/024471A1 |
A wheel (1) with an integrally formed wheel frame including a central hub (2) rotatable about a main axis, a plurality of first supports in a first plane transverse to the main axis and radially spaced from the central hub (2) to form a ...
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WO/2002/012002A1 |
An obstacle traversing wheel assembly includes a primary wheel (121) having an even number, at least four and preferably six or eight, of secondary wheels (33) mounted at equal-spaced, fixed locations thereon. The diameter of each second...
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WO/2002/006063A1 |
A propulsion system for a vehicle comprised of two wheels (2), both of which are in the shape of hemispheres. Each of the hemispheres is mounted through a bearing (9) on a fork (4) with two pivots (8) attached to the inner race of the be...
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WO/2002/000488A1 |
The present invention relates to a device at vehicle wheels for vehicles which are adapted to be driven in optional directions on an underlayer or ground. The wheels (3-6) of the vehicle (F) are provided in pairs of wheels (FP, BP) such ...
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WO/2002/000489A1 |
The present invention relates to a device at vehicle wheels for vehicles which are adapted to be driven in optional directions on an underlayer or ground. The wheels (3-6) of the vehicle (F) are provided in pairs of wheels (FP, BP) such ...
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WO/2001/079007A1 |
An omni-direction wheel (3) for an omni-directional vehicle (1) that exhibits constant ride height, low vibration, and reduced maximum ground contact pressure is disclosed. The invention consists of a wheel assembly rotatably connected t...
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WO/2001/079005A1 |
The invention concerns a wheel (1) designed in particular to transmit an engine torque, provided proximate to its circumference with at least a compressible chamber (3) filled with an incompressible liquid, thereby defining a liquid pist...
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WO/2001/079006A1 |
A wheel for load handling vehicle and a driven wheel for car capable of reducing a running resistance of these wheels by changing a pressing force acting on the wheel to a rotating force inside the wheel and converting the rotating force...
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WO/2001/064458A1 |
The invention concerns a tire consisting of an elastic cover and a rim forming a closed, watertight chamber. The chamber is filled with a low freezing point liquid through a peripheral valve and air is drawn out by means of a bleeder whi...
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WO/2001/058551A1 |
A tire assembly for a vehicle has an integrally formed generally ring-shaped outer tire member (10) and an integrally formed generally ring-shaped inner tire member (20) that fits within the outer tire member. The outer tire member is ma...
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WO/2001/026918A1 |
The invention relates to support and propulsion mechanisms and can be used as a support member, a support and propulsion member or as a carrier and propulsion member in transportation vehicles, robots, wheelchairs, toys, sideshow attract...
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WO/2000/012327A1 |
A wheel (10) having a one piece main body (12), which includes a hub portion (13) rotatable about a primary axis of rotation and a rim portion (14). The main body (12) has two groups of mounting recesses (16, 18) therein, the groups of r...
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WO/1999/064257A1 |
The present invention provides a method of constructing a wheel of the type comprising a first portion (12) connected to a second portion (11), the second portion providing a rim, comprising the steps of providing an outer surface of the...
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WO/1999/054190A1 |
This invention relates to an arragnement for carrying out unlimited movement patterns in a horizontal plane comprising a chassis carried by at least three wheel means, at least one wheel means functioning as a driving and controlling whe...
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WO/1999/001298A1 |
A drive wheel (10) for travelling over a surface comprising a support member (12), a wheel member (11) and a drive shaft (24). The drive shaft (26) has a drive means engaging a drive surface on the wheel member to rotatably drive the whe...
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WO/1998/031583A1 |
The invention concerns a mobile base (20), characterised in that it comprises a frame (5) including one or several spherical wheel(s) (1), each arrange in a housing (15) of the frame (5), said spherical wheel (1) being maintained by one ...
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WO/1998/028158A1 |
The present invention relates to vehicle wheels for vehicles which are intended to be driven in optional directions, including a main driving direction (F). The vehicle has at least two pairs (14, 17) of wheels with wheels (12) including...
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WO/1998/024981A1 |
The invention relates to a tire (5) for rollers, particularly vibrating rollers, designed for compacting soil, comprising a cover made of even sections (7). The tire is characterized in that the cover sections (7) have the shape of a tri...
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WO/1998/021081A1 |
A steering mechanism is provided for a vehicle in which the driver's seat (20) is rotatable about a control axis in order to steer the vehicle.
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WO/1998/019874A1 |
In the disclosed wheel construction, at least one, but preferably several profiled elements (2.1) transmit forces between the hub (1) and the rim (3). Said parts (1, 2.1, 3) are or can be assembled into a stiff structure. This constructi...
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WO/1998/016399A1 |
A traction device for vehicle wheels comprises an expandable and contractible member (10) mounted next to a wheel (70) or in between dual wheels (12, 14). In another embodiment the device comprises an air chamber (106, 134) formed in the...
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WO/1998/016096A1 |
A lawn mower comprising a body (2), a cutting unit including a motor (3) and rotors (4-6) which are rotatably mounted in said body (2), each about its essentially vertical shaft and being driven by the motor (3), and wheels (7a, 7b, 8a, ...
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WO/1997/032739A1 |
A wheel rim (10) for vehicles, comprising a front region (12) which is shaped so as to form, upon assembly, at least one NACA air intake (16) which is directed towards the corresponding brake and is adapted to extract the air adjacent to...
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WO/1997/023396A1 |
The invention relates to a rail-mounted load carrier (10) with at least two (1) rolling bodies (1) or balls (1) held in a roller guide cages (5) and rolling in one (11, 12) or two parallel rails (11, 12). The rails (11, 12) comprise two ...
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WO/1996/028613A1 |
A wheel for use on a powered vehicle used to demolish solid waste at transfer station sites. The combination includes a rigid cylindrical body (10) having cleat assemblies (21) carried by the body (10). Each cleat assembly (21) has a hol...
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WO/1996/023478A1 |
There is provided, in a preferred embodiment, a transportation vehicle for transporting an individual over ground having a surface that may be irregular. This embodiment has a support for supporting the subjet. A ground-contacting module...
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WO/1996/022685A1 |
The invention relates to a rollable container (5.1) for storing, transporting and distributing a mass having little or no cohesion, for instance: liquides incorporating possibly solid constituents, such as liquid manure or fertilizer; or...
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WO/1996/017732A1 |
The present design concerns wheels of enhanced elasticity with spokes under tension, in particular rimless pneumatic wheels with flexible spokes. The proposed pneumatic rimless wheel is provided with pairs of additional flexible spokes (...
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WO/1995/034267A1 |
A motorized wheelchair includes a seat section, a driving section and a controlling section. Said driving section comprises four wheels, four electric motors for driving the wheels, and speed reducers; wherein each of said wheels is driv...
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WO/1995/016580A1 |
A racing wheel for a vehicle such as a bicycle. The wheel includes a rotationally stationary inner component (75) connectable to the bicycle, a rotatable outer hoop (76), a ground engaging tread (47) disposed on the outer hoop, and beari...
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WO/1995/003200A1 |
A device for steering the direction of motion of a mobile unit and including one or several steering means (3, 14) arranged for roll/slide contact with a base (24) at a contact point common for said steering means and said base, the stee...
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WO/1994/020313A1 |
A locomotive assembly for a transport device preferably suitable for travel over rough ground, and having the shape of a "walking" wheel. The assembly includes a central member or hub (1), and supporting shoes (4) evenly spaced around th...
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WO/1994/011208A1 |
A brake and wheel for in-line roller skates having multiple slip disks (30a to 30ad) which are placed on retainer ring (40). Slip disks (30a to 30ad) are made of flexible plastic material, and retainer ring (40) being made of low frictio...
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WO/1993/014944A1 |
A wheel (1) for use on a potentially vulnerable surface such as grass on a golf course, includes a sleeve (12) of elastomeric material having a plurality of projections in the form of teeth (16) on each peripheral edge thereof, the teeth...
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WO/1993/002872A1 |
A composite wheel device wherein a plurality of auxiliary wheels (31) supported rotatably about axes in directions identical with tangent lines of a circular rim portion (12) of a wheel are provided on the circular rim portion so as to f...
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WO/1992/012017A1 |
A wheel, primarily intended for food trolleys and the like. The drawing figure is a vertical cross-sectional view through the wheel and an associated trolley, the vertical side face (23) and bottom (24) of which are shown. The wheel has ...
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WO/1991/013772A1 |
A vehicle propelling assembly to propel a vehicle in a given direction comprises a pair of propelling members (19a, 19b) each having a body portion (20a, 20b) which rotates about a rotation axis extending substantially at right angles to...
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WO/1990/005070A1 |
The present invention relates to a cycle or an engine-driven vehicle which moves on a bearing surface and more particularly on a road. In the case of a motorcycle, the front steering wheel (20) is fitted with a first crown-shaped roller ...
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WO/1990/000983A1 |
A ground engaging means in the form of a wheel for a vehicle, comprising a rim (11) and a plurality of ground engaging elements (13) mounted on the rim. Each ground engaging element (13) comprises a hollow body (31) having an inner face ...
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