Patent Patrol: Fox Factory's Suspension Enhancing Hub and Derailleur Assembly

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Patent Patrol: Fox Factory's Suspension Enhancing Hub and Derailleur Assembly
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It’s a “no-comment” from Fox on this one, but we’ll certainly be keeping an eye out for these components...

Fox Factory has filed a patent titled “Suspension Enhancing Hub and Rear Derailleur Assembly”, outlining two separate but related inventions designed to eliminate the negative effects that chain tension exerts upon a bicycle’s rear suspension and ride feel.

The Fox Factory patent discussed herein describes two distinct inventions looking to solve the aforementioned issues brought about by rear-center length changes occurring as the suspension compresses and rebounds.One of these components is an “electronic automatically decoupling hub assembly”.

the pawls would be disengaged by the inductors/electromagnets turning on or flipping polarity to attract the pawls upwards away from the ratchet ring on the cassette body. When pedaling the inductors/electromagnets would be turned off and the magnets of pawls attracted to the ferrous ratchet ring . Or the polarity of the inductors/electromagnets could be flipped to repel the pawls away, forcing them toward the ratchet ring”.

The “electronic disengageable” bit refers to the articulation of the derailleur cage about the P-Knuckle. It seems as though the electronically operated clutch mechanism within the derailleur can be selectively switched on or off, as decided by a controller processing information from various sensors on the bike.

As any brand would, Fox is covering many, many bases with this patent, increasing its scope to include a version of the disengageable derailleur assembly that is able to make use of the “wave dynamics” of the chain itself to manage frictional disengagement and re-engagement.

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