Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
F03G5/00—Devices for producing mechanical power from muscle energy
F03G5/06—Devices for producing mechanical power from muscle energy other than of endless-walk type
F03G5/062—Devices for producing mechanical power from muscle energy other than of endless-walk type driven by humans
F03G5/065—Devices for producing mechanical power from muscle energy other than of endless-walk type driven by humans operated by the hand