Sealing structure for outboard motor

Details Sealing structure for outboard motor Sealing structure for outboard motor

1998-02-05

1999-02-23

Swinehart, Ed L.

Marine propulsion

Screw propeller

Propulsion unit casing

123195C, B63H 2124

Patent

active

058737561

ABSTRACT:
A sealing structure is provided for an outboard motor in which an engine is disposed on an upper portion of an engine holder in a state of an outboard motor mounted to a hull, an oil pan is mounted to a lower portion of the engine holder, and the engine, the engine holder and the oil pan are covered with an engine cover unit. The sealing structure for an outboard motor for providing a waterproof sealing portion comprises a seal flange provided for at least either one of the engine holder and the oil pan so as to project outward, a sealing member formed of an elastic material and mounted to the seal flange from an outside portion thereof, a horizontal rib horizontally projecting in a mounted state over an inner surface of the engine cover so as to be brought into contact to either one of upper and lower surfaces of the sealing member, and a plurality of vertical ribs disposed at a side opposite to the horizontal rib with respect to the seal flange, the vertical rib vertically projecting in a mounted state over the inner surface of the engine cover with the sealing member being interposed and clamped between the horizontal rib and the vertical rib.

REFERENCES:
patent: 5069643 (1991-12-01), Westburg et al.

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