BOAT OUTBOARD MOTOR Russian patent published in 1994 - IPC

FIELD: shipbuilding. SUBSTANCE: outboard motor has detachable telescopic stern tube and reversible reduction gear 6 of propeller shaft with detachable telescopic rod which consists of lower pipe 8 and upper pipe 10. Lower pipe 8 has holes 9 in its upper portion which are located vertically at pitch equal to pitch of extension of stern tube; in the lower portion of this pipe, joint 7 is provided for ease of assembly which makes it possible to have slight axial misalignment. Upper pipe 10 has threaded band in its top portion and flexible plates in its lower portion. Flexible plates are provided with lugs engageable with holes 9 of lower pipe 8. Arranged in upper pipe 10 is bar 14 whose threaded band is engageable with threaded band of pipe 10 and cone provided on lower end is engageable with plates of upper pipe throwing them into engagement with holes 9 of lower pipe 8. EFFECT: extended functional capabilities. 3 dwg