Bicycle rear wheel suspension system
First Claim
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1. A bicycle frame assembly comprising:
- a frame for supporting a rider;
a swing arm having a first end pivotably connected to the frame and a second end for pivotably engaging a rear wheel assembly;
a seat stay pivotably connected to the rear wheel assembly such that the seat stay and, the swing arm independently pivot about, and a rear wheel rotates about, a common axis; and
a rocker arm attached to the frame and connected to an end of the seat stay opposite the common axis of rotation.
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Accused Products
Abstract
A bicycle frame assembly having a number of rotatable members configured to absorb shocks and impacts associated with operation of the bicycle. The assembly includes a frame constructed to support a rider and a chain stay having a rearward end that extends toward a wheel hub and a forward end that is pivotably connected to the frame. An absorber is pivotably connected to the forward end of the chain stay and extends to a rocker arm that is pivotably connected to the frame. A seat stay is pivotably connected to a rearward end of the rocker arm and extends to the rearward end of the chain stay. The rearward ends of the seat stay and the chain stay are pivotably connected to rotate about a common axis.
205 Citations
23 Claims
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1. A bicycle frame assembly comprising:
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a frame for supporting a rider; a swing arm having a first end pivotably connected to the frame and a second end for pivotably engaging a rear wheel assembly; a seat stay pivotably connected to the rear wheel assembly such that the seat stay and, the swing arm independently pivot about, and a rear wheel rotates about, a common axis; and a rocker arm attached to the frame and connected to an end of the seat stay opposite the common axis of rotation. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A bicycle rear wheel suspension system comprising:
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a first link pivotably connected to a frame member and having a first section for supporting a wheel extending rearward of the frame member and a second section extending forward of the frame member; a rocker arm pivotably connected to the frame and having a first portion extending rearward of the frame member and a second portion extending forward of the frame member; a second link pivotably disposed between the first section of the first link and the first portion of the rocker arm such that the first link and the second link are pivotable relative to one another about a common axis that is also concentric with an axis of rotation of the wheel; and an arrestor having a first end connected to the second section of the first link and a second end connected to the second portion of the rocker arm. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A bicycle frame comprising:
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a first portion for supporting a rider; an arm pivotably attached to the first portion; a first member pivotably attached to the first portion and having a first end connected to the arm by an absorber and a second end; a second member having a first end connected to an end of the arm generally opposite the absorber and a second end pivotably connected to the second end of the first member such that the first and second members are independently rotatable about a common axis; and an axle located along the common axis and constructed to support a wheel. - View Dependent Claims (16, 17, 18)
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19. A bicycle frame system comprising:
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a frame constructed to support a rider; and a rear wheel suspension assembly constructed to support a rear wheel such that an axis of rotation of the rear wheel is concentric with and forms a pivot between a swing arm and a seat stay, the rear wheel suspension assembly including a dampener positioned forward of the seat stay and the rear wheel suspension assembly being movable relative to the frame to maintain a generally uniform braking performance across a substantial portion of a range of motion of the rear wheel axis. - View Dependent Claims (20, 21, 22, 23)
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Specification
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Current AssigneeTrek Bicycle Corporation
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Original AssigneeTrek Bicycle Corporation
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InventorsGonzalez, Jose, Howes, Dylan, Colegrove, James
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Primary Examiner(s)Morris; Lesley
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Assistant Examiner(s)POTTER, WESLEY A
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Application NumberUS11/735,816Publication NumberTime in Patent Office1,317 DaysField of Search280/284, 280/288, 280/283, 280/285US Class Current280/284CPC Class CodesB62K 25/04 for mounting axles resilien...B62K 25/286 the shock absorber being co...
