| Patent Number |
Title Of Patent |
Date Issued |
| RE38669 |
Telescoping-type front fork bicycle suspensions |
December 14, 2004 |
| This invention relates to front fork, telescoping type suspension systems for bicycles. The main focus of the invention is the brake bridge assembly, the fork crown assembly and the joinder of these assemblies to form the fork suspension. The brake bridge assembly serves two main fun |
| 6109636 |
High efficiency bicycle frame suspension |
August 29, 2000 |
| A bicycle frame suspension comprises a single main tube having fore and aft ends and left and right sides with a head tube for rotatably mounting the front steering forks and front wheel secured to said fore end and a seat retention tube for mounting the seat secured to the aft end and b |
| 5988741 |
Bicycle seat post flare post |
November 23, 1999 |
| A lightweight, high strength bicycle seat post for securing a bicycle seat to a seat tube of a bicycle frame. It comprises a hollow metal tubular member having a seat tube portion for reception in and securement to the seat tube of a bicycle frame, and an integral head portion comprised |
| 5944932 |
Bicycle front forks and methods of making same |
August 31, 1999 |
| A method of making a bicycle front fork of molded composite laminates of fiber in a resin matrix, the front fork including a steerer portion, a tubular crown portion, a pair of tubular blade portions. Each has upper ends joined by said crown to the steerer, respectively, and lower ends |
| 5743547 |
High efficiency, high performance leading link fork design for bicycle front wheel suspensions |
April 28, 1998 |
| A high efficiency bicycle front fork suspension system in which the front fork and wheel assembly are isolated from the remaining parts of the bicycle frame by a leading, 3-point linkage arrangement configured to produce a trailing link action at the wheel. The suspension system, in its |
| 5692764 |
Bicycle front forks and methods of making same |
December 2, 1997 |
| The invention disclosed herein is a very durable, lightweight, front fork assembly for use on competition bicycles. The invention provides improved fatigue and impact resistance compared to prior art designs. The invention makes maximum use of advanced, high strength composite materials |
| 5626355 |
Telescoping-type front fork bicycle suspensions |
May 6, 1997 |
| This invention relates to front fork, telescoping type suspension systems for bicycles. The main focus of the invention is the brake bridge assembly, the fork crown assembly and the joinder of these assemblies to form the fork suspension. The brake bridge assembly serves two main fun |
| 5586780 |
High efficiency bicycle suspension |
December 24, 1996 |
| A bicycle having an improved suspension system including a rotary damper and composite springs. Springs which closely control the direction of allowable movement in the suspension preclude rocking, twisting or unwanted lateral deflections. |
| 5557982 |
Composite bicycle handlebar |
September 24, 1996 |
| A high efficiency lightweight bicycle handlebar using strong, stiff fibers and a structural resin is disclosed. Relatively low modulus fibers are used in the axial direction and relatively high modulus fibers in the transverse or hoop direction. The hoop fibers are placed on the inside a |
| 5517878 |
Handlebar to steerer clamping device for bicycles |
May 21, 1996 |
| A lightweight handlebar/steerer locking mechanism for use on road and mountain bicycles. The invention provides higher fatigue and impact resistance, lower material and production costs, and improved adjustability, compared to prior art designs, all at a reduced weight.The superior struc |
| 5499864 |
Bicycle wheel rims |
March 19, 1996 |
| The invention disclosed herein is a light weight, mountain bicycle competition wheel rim. The invention provides improved fatigue and impact resistance compared to prior art designs. The invention makes maximum use of advanced, high strength aluminum alloy materials, improving its st |
| 5452911 |
High efficiency high clearance chinstay and method of making same for bicycles |
September 26, 1995 |
| There is disclosed a uniquely shaped bicycle chainstay structure produced using modern metal working methods, without the use of welding. The uniqueness of the structure allows a significant shortening of the chainstay length while increasing the tire and chain-ring clearances. An ac |
| 5433465 |
Cable guide for bicycle frames |
July 18, 1995 |
| Improved cable guide for bicycle frames which has been found useful for improving the fatigue life of light weight bicycle frames and other stressed tubular structures. One or more welding or brazing-free dimple/bulkhead forming deformations produce strategically reduced stiffness zo |
| 5405159 |
High efficiency bicycle suspension |
April 11, 1995 |
| A bicycle having an improved suspension system including a rotary damper and composite springs. Springs which closely control the direction of allowable movement in the suspension preclude rocking, twisting or unwanted lateral deflections. |
| 5377734 |
High efficiency all terrain bicycle or motorcycle tire |
January 3, 1995 |
| A high efficiency all terrain bicycle or motorcycle tire having a tread design in which spaced tread blocks are arranged in circumferential rows and overlapped to allow a smooth shift in load from one tread block to another in different circumferential rows with a minimum of casing h |
| 5364115 |
Dropout and dropout joints for bicycles |
November 15, 1994 |
| The invention disclosed herein is a durable, lightweight, bicycle dropout-fitting design for use on high strength fiber reinforced composite frames and forks of competition bicycles. The invention provides improved fatigue and impact resistance compared to prior art designs. The inventio |
| 5273301 |
Fork and steering assembly for bicycles |
December 28, 1993 |
| A light weight aluminum bicycle fork with positive feel and improved control in rough conditions, and is stiffer in torsional stiffness, fore and aft stiffness and side-to-side stiffness and has a higher overall rigidity than prior art forks. A large diameter steering tube has an hou |
| 5207619 |
Adjustable, compact anti-chain wrap device |
May 4, 1993 |
| An anti-chain wrap device for bicycles has a short mounting plate with large fastener holes for universal adjustments in the plane thereof and a clamp plate fastener with conventional fastener holes. Chain lifter fingers for contacting chain stuck on a chainring have portions bent out |
| 5018758 |
High efficiency bicycle frame |
May 28, 1991 |
| A bicycle frame which is made of large diameter tubing formed of an aluminum alloy and which is made very rigid to increase the power transmission efficiency and to improve the handling and riding characteristics. The result is a frame which is lighter, stronger, and much more rigid |
| 5002297 |
Large diameter rigid lightweight fork and steering assembly for bicycles |
March 26, 1991 |
| A light weight aluminum bicycle fork with positive feel and improved control in rough conditions, and is stiffer in torsional stiffness, fore and aft stiffness and side-to-side stiffness and has a higher overall rigidity than prior art forks. A large diameter steering tube has a bear |
| 4960402 |
Anti-chain wrap device for bicycles |
October 2, 1990 |
| An anti-chain wrap device has a plurality of lifters which are raised and curved to be adjacent the rotary path of the chainrings, respectively, to strip or free a struck chain from the chainring. The lifters are finger blade members which are joined near their lower ends to provide a mo |
| 4621827 |
Light weight bicycle with improved chainstay structure and method |
November 11, 1986 |
| The two chainstay tubes of a bicycle are made of tubing of unequal rigidity, specifically the chainstay tube on the chain or drive side is made heavier, while, in the preferred embodiment, the other chainstay tube is lightened, in order to increase power train efficiency by reducing the |
| 4500103 |
High efficiency bicycle frame |
February 19, 1985 |
| The frame of a racing type bicycle is made very rigid to increase the power transmission efficiency and to improve the handling and riding characteristics. The preferred configuration uses large diameter tubing in aluminum alloy to achieve a lighter, stronger and much more rigid frame |
