Patent US4892164A successfully refreshed from Google Patents.
US4892164A
Expired / Lapsed
US
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Frame and body construction for small snowmobile
Assignee: Yamaha Motor Co Ltd
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Filing: 1988-03-02
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Granted: 1990-01-09
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Expires: 2008-03-02
Abstract
Abstract A frame and body construction for a small snowmobile comprised of a generally open tubular frame to which a light weight generally inverted cup shape body is detachably connected. To prevent carburetor icing, an insulating box encircles the carburetor and cooperates with the body, when the body is in place.
Inventors
- 👤 Toshihiro Yasui
- 👤 Masanori Sugita
- 👤 Tsuneo Isobe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:09
CPC Classifications
B; B62; B62M; B62M27/00; B62M27/02; B60; B60K; B60K13/00; B60K13/02; F; F02; F02M; F02M15/00; F02M19/00; B62M2027/021
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
123 words
A small snowmobile or the like comprising a generally open welded, tubular frame assembly, an engine supported in said frame assembly and having an induction system including a charge forming device, a body having a generally inverted cup shape affixed to said frame assembly and overlying said engine, said body having a substantially open lower area facing said frame assembly and said engine for facilitating assembly onto said frame assembly and whereby the underside of said engine is substantially exposed to the elements when said body is affixed to said frame assembly, and a charge forming device enclosure fixed to said engine and cooperating with said body for enclosing said charge forming device for insulation of said charge forming device from the elements.
Claim 2
Dependent Claim
123 words
A small snowmobile or the like comprising a generally open welded, tubular frame assembly, an engine supported in said frame assembly and having an induction system including a charge forming device, a body having a generally inverted cup shape affixed to said frame assembly and overlying said engine, said body having a substantially open lower area facing said frame assembly and said engine for facilitating assembly onto said frame assembly and whereby the underside of said engine is substantially exposed to the elements when said body is affixed to said frame assembly, and a charge forming device enclosure fixed to said engine and cooperating with said body for enclosing said charge forming device for insulation of said charge forming device from the elements.
Claim 3
Dependent Claim
29 words
A small snowmobile or the like as set forth in claim 1 wherein the charge forming device enclosure comprises a generally upwardly opening box encircling the charge forming device.
Claim 4
Dependent Claim
31 words
A small snowmobile or the like as set forth in claim 2 further including sealing means carried by the upper end of the box and adapted to sealingly engage the body.
Claim 5
Dependent Claim
63 words
A small snowmobile as set forth in claim 1 wherein the frame is provided with a pair of outwardly extending horizontally disposed side portions, the body having horizontally extending foot rests at opposite sides therein, said body being lowered onto and detachably affixed to said frame by quick disconnect fastening means passing through said foot rests and affixed to said frame side portions.
Claim 6
Dependent Claim
30 words
A small snowmobile as set forth in claim 4 further including a seat carried by the frame rearwardly of the body and adjacent to the horizontally extending side portions thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-08 | 1993-07-10 | 1994-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-08 | 1997-07-10 | 1998-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-08 | 2001-07-10 | 2002-01-09 | $7700.00 | Window Closed / Lapsed |