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.)
B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63H—MARINE PROPULSION OR STEERING
B63H16/00—Marine propulsion by muscle power
B63H16/08—Other apparatus for converting muscle power into propulsive effort
B63H16/10—Other apparatus for converting muscle power into propulsive effort for bow-facing rowing
B63H16/102—Other apparatus for converting muscle power into propulsive effort for bow-facing rowing by using an inverting mechanism between the handgrip and the blade, e.g. a toothed transmission