Abstract: A transmission includes a ring member, a sun member, a number of planetary sheaves and a serpentine drive member which wraps around the sun member, and the planetary sheaves. The planetary sheaves are attached to a planet carrier at a distance from the sun member. When the serpentine drive member is wrapped around the sun member and the planetary sheaves, the serpentine drive member forms a C-shape. The transmission can be used in a device that has an input shaft that must be rotated at a first speed and an output shaft that must be rotated at a second speed. The transmission can even be used as a reverser. The serpentine drive member can be any type of drive member, including a timing belt with teeth, a flat belt, a cable chain, or a link chain.

Abstract: An in-line skate having a fluid pressure brake which is fully remotely controlled via a radio frequency transmitter. The skate further includes a wheel support frame, a fluid pressure chamber defined by the wheel support frame and a source of fluid pressure carried by the frame to selectively provide a braking force to the skate wheel.