Bicycle front fork assembly
First Claim
1. A bicycle front fork assembly;
- comprising;
a steer tube;
a pair of legs extending in a downward direction from said steer tube and spaced from one another in a lateral direction, each of said pair of legs having an upper portion, a lower portion and an intermediate portion and defining a substantially fixed length, said fork assembly being configured to support a wheel at said lower portions of said pair of legs, said pair of legs being interconnected at said upper portion, each of said intermediate portions having an internal wall defining an internal cavity;
a damping member positioned within said cavity and contacting said internal wall, said damping member comprising a vibration damping material;
wherein said internal wall comprises a first side and a second side facing said first side, an middle portion of said first side and second side being curved toward one another such that a width of said cavity is reduced in said middle portion, said damping member shaped to substantially conform to said reduced width of said cavity.
1 Assignment
0 Petitions
Accused Products
Abstract
A wheel support portion for a bicycle, such as a front fork assembly, arranged to reduce vibrations that originate at the bicycle wheel and are transmitted to the rider of the bicycle through the wheel support. Desirably, the front fork assembly is configured to be supported by a bicycle frame and includes a pair of fork legs, which extend in a downward direction along opposing sides of a front wheel of the bicycle. Preferably, the fork legs are configured to support the front wheel at their lower ends. An intermediate portion of each of the fork legs defines a cavity. A damping member comprised of a vibration damping material is positioned within the cavity. Preferably, the cavity passes completely through each fork leg in a lateral direction and the damping member is retained within the cavity by a friction fit therebetween.
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Citations
41 Claims
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1. A bicycle front fork assembly;
- comprising;
a steer tube;
a pair of legs extending in a downward direction from said steer tube and spaced from one another in a lateral direction, each of said pair of legs having an upper portion, a lower portion and an intermediate portion and defining a substantially fixed length, said fork assembly being configured to support a wheel at said lower portions of said pair of legs, said pair of legs being interconnected at said upper portion, each of said intermediate portions having an internal wall defining an internal cavity;
a damping member positioned within said cavity and contacting said internal wall, said damping member comprising a vibration damping material;
wherein said internal wall comprises a first side and a second side facing said first side, an middle portion of said first side and second side being curved toward one another such that a width of said cavity is reduced in said middle portion, said damping member shaped to substantially conform to said reduced width of said cavity.
- comprising;
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2. A bicycle front fork assembly, comprising:
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a steer tube;
a pair of hollow, tubular legs extending in a downward direction from said steer tube and spaced from one another in a lateral direction, each of said pair of legs defining a substantially fixed length, said fork assembly being configured to support a wheel at a lower end of said pair of legs, each of said pair of legs having an outer wall portion and an internal wall portion, said internal wall portion extending from a first side of said outer wall portion to a second side of said outer wall portion opposite said first side and defining an internal cavity;
a damping member positioned within said cavity and contacting said internal wall, said damping member comprising a vibration damping material. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A bicycle, comprising:
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a frame, said frame supporting a pedal crank assembly and a rear wheel, said pedal crank assembly being configured to drive said rear wheel;
a front fork assembly, said fork assembly being rotatably supported by said frame for pivotal movement about a steering axis, said fork assembly being configured to support a front wheel of said bicycle at a lower end of said fork, said fork assembly comprising;
a steer tube;
a pair of hollow, tubular legs extending in a downward direction from said steer tube and spaced from one another in a lateral direction, each of said pair of legs defining a substantially fixed length, said fork assembly being configured to support a wheel at a lower end of said pair of legs, each of said pair of legs having an outer wall portion and an internal wall portion, said internal wall portion extending from a first side of said outer wall portion to a second side of said outer wall portion opposite said first side and defining an internal cavity;
a damping member positioned within said cavity and contacting said internal wall, said damping member comprising a vibration damping material. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A bicycle, comprising:
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a main frame portion;
a front wheel and a rear wheel connected to said main frame portion;
a pedal crank assembly, said pedal crank assembly being supported by the main frame portion and configured to drive said rear wheel;
a wheel support portion connected to said main frame at a first end and supporting one of said front wheel and said rear wheel at a second end, said wheel support portion comprising a pair of legs extending along opposing sides of said one of said front wheel and said rear wheel, each of said pair of legs defining a substantially fixed length, each of said pair of legs having an outer wall portion and an internal wall portion, said internal wall portion extending from a first side of said outer wall portion to a second side of said outer wall portion opposite said first side and defining an internal cavity;
a damping member positioned within said cavity and contacting said internal wall, said damping member comprising a vibration damping material. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A wheel support for a bicycle, comprising:
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a first end and a second end, the first end configured to be supportable by a main frame of said bicycle, the second end configured to support a wheel of said bicycle, said wheel support comprising a pair of legs extending along opposing sides of said wheel, each of said pair of legs defining a substantially fixed length, each of said pair of legs having an outer wall portion and an internal wall portion, said internal wall portion extending from a first side of said outer wall portion to a second side of said outer wall portion opposite said first side and defining an internal cavity;
a damping member positioned within said cavity and contacting said internal wall, said damping member comprising a vibration damping material. - View Dependent Claims (39, 40, 41)
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Specification