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US4661076A Expired / Lapsed US ⏱️ 0.0 years remaining

Cowling assembly for an outboard engine

Assignee: Yamaha Marine Co Ltd
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Filing: 1986-04-08
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Granted: 1987-04-28
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Expires: 2006-04-08
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Abstract

Abstract Two embodiments of outboard motors including improved protective cowling arrangements for sealingly enclosing a liquid level tank. In each embodiment, a filler neck of the tank extends through an opening in a plate that is affixed relative to the starter handle and which is sealingly engaged with an opening in the protective cowling.

Inventors

  • 👤 Tomio Iwai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:02
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/001; B63H20/002; B63H20/32

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 199 words
In an outboard motor having a power head positioned at the top of a drive shaft housing, said power head comprising an internal combustion engine, a pull starter having a housing fixed relative to said engine, a pull handle and rope for pull starting of said engine, a liquid tank for containing a liquid for said engine and supported in fixed relation to said engine, a filler neck for said tank in an upper surface thereof, and a protective cowling encircling said engine and said liquid tank, the improvement comprising said protective cowling having an opening formed therein in proximity to said pull handle and to said filler neck for access thereto, a plate affixed to said engine and having a guide portion for said rope of said pull starter, said plate having an opening passing said filler neck, first seal means surrounding said plate opening and sealingly engaging said plate and said liquid tank for preventing spilled liquids from passing through said opening, said plate spanning said protective cowling opening, and second seal means between said plate and said protective cowling around said protective cowling opening for precluding spilled liquids from entering said protective cowling through its opening.
Claim 2
Dependent Claim 199 words
In an outboard motor having a power head positioned at the top of a drive shaft housing, said power head comprising an internal combustion engine, a pull starter having a housing fixed relative to said engine, a pull handle and rope for pull starting of said engine, a liquid tank for containing a liquid for said engine and supported in fixed relation to said engine, a filler neck for said tank in an upper surface thereof, and a protective cowling encircling said engine and said liquid tank, the improvement comprising said protective cowling having an opening formed therein in proximity to said pull handle and to said filler neck for access thereto, a plate affixed to said engine and having a guide portion for said rope of said pull starter, said plate having an opening passing said filler neck, first seal means surrounding said plate opening and sealingly engaging said plate and said liquid tank for preventing spilled liquids from passing through said opening, said plate spanning said protective cowling opening, and second seal means between said plate and said protective cowling around said protective cowling opening for precluding spilled liquids from entering said protective cowling through its opening.
Claim 3
Dependent Claim 45 words
In an outboard motor as set forth in claim 1 wherein the protective cowling further includes a pivotally supported cover operative, when in its closed position, to conceal the protective cowling opening, the pull handle for the pull starter and the liquid tank filler neck.
Claim 4
Dependent Claim 20 words
In an outboard motor as set forth in claim 1 wherein the plate is affixed to the pull starter housing.
Claim 5
Dependent Claim 33 words
In an outboard motor as set forth in claim 1 wherein the liquid tank comprises a lubricant tank for supplying lubricant to a lubricant pump driven by the engine for lubricating the engine.
Claim 6
Dependent Claim 45 words
In an outboard motor as set forth in claim 4 wherein the protective cowling further includes a pivotally supported cover operative, when in its closed position, to conceal the protective cowling opening, the pull handle for the pull starter and the liquid tank filler neck.
Claim 7
Dependent Claim 20 words
In an outboard motor as set forth in claim 5 wherein the plate is affixed to the pull starter housing.
Claim 8
Dependent Claim 24 words
In an outboard motor as set forth in claim 1 wherein the liquid tank is a fuel tank for delivering fuel to the engine.
Claim 9
Dependent Claim 45 words
In an outboard motor as set forth in claim 7 wherein the protective cowling further includes a pivotally supported cover operative, when in its closed position, to conceal the protective cowling opening, the pull handle for the pull starter and the liquid tank filler neck.
Claim 10
Dependent Claim 20 words
In an outboard motor as set forth in claim 8 wherein the plate is affixed to the pull starter housing.
Claim 11
Dependent Claim 31 words
In an outboard motor as set forth in claim 1 wherein the liquid tank includes a liquid level gauge supported in its upper surface and extending through the protective cowling opening.
Claim 12
Dependent Claim 40 words
In an outboard motor as set forth in claim 10 further including an opening in the plate passing the liquid level gauge and third seal means interposed between the plate and the liquid level tank around the liquid level gauge.
Claim 13
Dependent Claim 45 words
In an outboard motor as set forth in claim 11 wherein the protective cowling further includes a pivotally supported cover operative, when in its closed position, to conceal the protective cowling opening, the pull handle for the pull starter and the liquid tank filler neck.
Claim 14
Dependent Claim 29 words
In an outboard motor as set forth in claim 1 wherein the protective cowling is formed from a plastic and the plate is formed from a more rigid material.
Claim 15
Dependent Claim 18 words
In an outboard motor as set forth in claim 13 wherein the plate is formed form a metal.

References Cited (Backward Citations)

JPS5522997A Cited
JPS5662299A Cited
US4493661A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-04-27 1990-10-27 1991-04-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-04-27 1994-10-27 1995-04-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-04-27 1998-10-27 1999-04-28 $7700.00 Window Closed / Lapsed

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