Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 6398313 | Two component composite bicycle rim A bicycle rim constructed from a fiber reinforcement impregnated with a resinous material to provide stiffness, strength, is light in weight and presents minimal aerodynamic drag. The rim is constructed from two semi-circular rim sections that are each fo... | 06/04/2002 |
| 5941606 | Wheel adapted to be used in a bicycle A hub which is configured to have only one flange is able to evenly spread torque acting thereon through spokes securely received between the hub and a rim which is configured to have a plurality of holes defined therein for receiving ends the spokes.... | 08/24/1999 |
| 5734142 | Method of welding electrically conductive metal profiles A method of flash/butt welding an aluminum bicycle wheel rim, in which an aluminum sleeve having a dielectric anodized hardcoat surface finish is inserted into the center of the rim in order to support the interior walls of the rim during the welding proc... | 03/31/1998 |
| 5653510 | Wheel rims Lightweight wheel rims for bicycles are formed by pin joints wherein a pin traverses the joint connecting a pair of adjacent ends of a rim member and extend into passages in the rim member on opposite sides of the joint. The improved joint is formed by re... | 08/05/1997 |
| 5470133 | Bicycle wheel rim assembly A bicycle wheel rim includes a circular structure having two end portions, Two holes are formed in each of the end portions, Two pins, each having two end portions engaged in the holes and two opposite helical threads. The helical threads engage into the ... | 11/28/1995 |
| 4938540 | Resin-augmentation of pin-assembly for extruded, anodized wheel rims Improved pin-assembly connecting joint for interconnecting the ends of aluminum alloy wheel rim extrusions, characterized by pin members force fit into tubulations having a larger total cross sectional area than the pin members so as to form channels in a... | 07/03/1990 |
| 4702528 | Resin-augmentation of pin-assembly for extruded, anodized wheel rims The invention comprises a cured-in-place resin augmentation of the pin assembly of extruded, anodized, bicycle wheel rims and the like.... | 10/27/1987 |
