Patent ID: 6695656
Filing Date: 2004-02-24
Classification: B63H

Abstract:
A drive shaft support structure for a small watercraft having a boat body, comprising:a drive shaft for driving an impeller, the drive shaft being connected to an output shaft of an engine mounted in the boat body; a cylindrical portion of a joint rubber through which said drive shaft is passed, said cylindrical portion of the joint rubber extending in a forward direction from an outside of said boat body toward said engine; a rubber dampered bearing body rotatably supporting said drive shaft on the engine side so that said drive shaft does not contact said cylindrical portion of the joint rubber; said rubber dampered bearing body being supported by a support portion; said rubber dampered bearing body having a rubber cylindrical portion and a rubber damper portion provided integrally with said rubber cylindrical portion, said rubber cylindrical portion extending toward and overlapping around an outer side of a forward end of said cylindrical portion of the joint rubber, and said rubber cylindrical portion and the forward end of said cylindrical portion of the joint rubber being fixedly connected directly to each other.