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CRANK BROTHERS, INC.

CRANK BROTHERS, INC. Patent applications
Patent application numberTitlePublished
20100282017STEM FOR BICYCLE HANDLEBAR - In one embodiment, a stem for bicycle handlebar and the like includes an arm joining the handlebar with a fork. The arm includes a three-piece wedge on each end that is adjustable by a screw to tighten and loosen a middle clamp of the wedge. The wedge is moved to release and tighten the fork and the handlebar independently.11-11-2010
20100127472QUICK RELEASE CAMMING MECHANISM - A quick release camming mechanism is used in a bicycle skewer that secures a hub to a fork. Whereas prior art quick release mechanisms have only a single lever, this mechanism has two independent levers. About half the force is required to independently push either lever closed as to push both levers closed simultaneously. Similarly, about half the force is required to open either lever individually as to open them simultaneously. A similar quick release camming mechanism also works well for a quick release seat post clamp with similar advantages. The present invention is not limited to use on bicycle components.05-27-2010