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7041186 |
The wheel hub of a bicycle is made of a single part of structural fiber based material, typically carbon fiber material, after reticulation in a mould which exploits the expansion of a core to obtain the application of a radial pressure ...
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6902240 |
A wheel for an in-line skate includes a hub composed of two halves. Each half has a centrally defined axle hole, a hollow cylinder formed on a periphery defining the axle hole, multiple rods formed on the inner side face, multiple indent...
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6679560 |
A wheel for an in-line skate includes a hub having a central stem, two symmetrical upper wings that extend oppositely and sidewisely from the central stem, and two symmetrical lower wings that extend oppositely and sidewisely from the ce...
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6655747 |
A polyurethane in-line roller skate wheel including a narrow hub mounting a polyurethane tire body having side walls curving axially inwardly from a major thickness to a minor thickness at the hub flange interface. In one embodiment, the...
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6629735 |
A wheel of the roller type, i.e., whose general shape is constituted by two sides the contours of which are circles with respective centers. O,O′, the flanks being substantially parallel with respect to one another, substantially perpe...
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6619758 |
There is disclosed herein an improved and simplified wheel and bearing assembly, such as for skates and the like comprising a bearing inner race preferably formed of a plastic material such as polyurethane. A pair of bearing outer races,...
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6279630 |
A new class of non-pneumatic tires is proposed, comprising an exterior torus and an interior torus and in the space between them a waveform undulating ribbon like structure having a constant wavelength and the undulating direction being ...
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6131923 |
A skate with single-rail truck, particularly with in-line wheels, comprising a rail-shaped frame which is associable with a shoe and supports a plurality of in-line wheels, each wheel being formed by half-bodies arranged on opposite side...
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6036278 |
There is disclosed an improved skate wheel for an in-line skate comprising a hub for rotation about an axis and a plurality of cores of material disposed about the hub to be coaxial therewith, the outer core of material being harder than...
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5990258 |
A polyurethane elastomer possessing high resilience and high clarity is obtained by subjecting to polyurethane elastomer-forming conditions a polyurethane elastomer-forming reaction mixture comprising: a) an isocyanate selected from t...
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5924705 |
Single-track roller skate comprising at least three wheels which are disposed one behind the other and the rolling faces of which comprise in the cross-section substantially identical curvatures, wherein at least one front and/or rear wh...
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5871262 |
A precision wheel, roller and track tread product newly developed consisting of a wheel, roller and track tread material capable of carrying a very heavy load for its size mounted on a new tread locking assembly hub, roller shaft or trac...
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5853226 |
High performance, light-weight skate wheels are produced with special permeable cores and without air bubbles for in-line roller skates to attain greater strength, speed, maneuverability and control. In order to facilitate rotation, one ...
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5823634 |
Wheel, particularly for skateboards or rollerskates, including a central hub with radial spokes, and a tire which is connected to the hub and which has wings arranged in the interspaces delimited by the radial spokes and the central hub....
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5527100 |
In-line roller skates capable of riding at high speed on a skating surface and of being braked by the skater without the need for braking pads or similar expedients for this purpose. Each skate is provided with a set of composite wheels ...
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5503466 |
A skate wheel having a replaceable tread mechanically attachable to and mechanically detachable from a wheel hub. The wheel hub includes a central hub and a tread receiving ring around the hub outer radial periphery. A thread projecting ...
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5401037 |
In-line roller skates whose wheels make it possible for a skater to stop without the need for a braking pad or other special expedients for this purpose. Each skate includes a boot to accommodate the skater's foot and a frame secured to ...
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4219240 |
A wheel construction comprising a bearing and a mantle circumscribing the bearing made of a given material, and a reinforcing ring of a material harder than the mantle which is embedded therein, the reinforcing ring having a circumferent...
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2878071 |
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1006952 |
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0937261 |
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0726463 |
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0341206 |
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0339382 |
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0338576 |
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0336491 |
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