WATER CRAFT PROPELLER Russian patent published in 1995 - IPC

FIELD: shipbuilding. SUBSTANCE: propeller has handle 1, horizontal shaft 3 of reduction gear on which two overrunning clutches are arranged in mirror image relative to each other; outer clutch members 5 and 6 are rigidly connected with inner lateral surface of bevel gears 3 and 4 which are loose fit on shaft 2; inner clutch members 7 and 8 are rigidly secured on the same shaft. Motion of shaft 2 is effected in opposite directions by means of gears 3, and 9 and is converted to unidirectional motion of vertical shaft which is transmitted to propeller by means of angular gear train. EFFECT: enhanced reliability. 2 dwg