Patent US4051648A successfully refreshed from Google Patents.
US4051648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine shroud for rotary lawn mower
Assignee: NOMA OUTDOOR PRODUCTS Inc
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Filing: 1976-05-07
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Granted: 1977-10-04
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Expires: 1996-05-07
Abstract
Abstract In a rotary lawn mower the engine on the deck is completely shielded by an engine shroud, and the engine exhaust is below the mower deck.
Inventors
- 👤 Charles E. Uhlinger
- 👤 Clair D. Splittstoesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:39
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/82; A01D34/826; A01D2101/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
In a rotary mower having a deck, a grass catching blade below the deck, and power means on the deck for driving the blade, noise reduction means for said mower, said noise reduction means comprising a shroud over said power means, said shroud enclosing said power means except for a top air opening in the same and a marginal air opening about the same between the shroud and deck, said shroud being hinged at one end thereof on said deck, and latch means on said deck at the other end of said shroud to latch the same closed with respect to said power means, said power means comprising a gas engine, said top air opening being formed in said shroud opposite the air intake of said engine, said engine having an engine start pull cord handle, said handle being accessible through said top opening, and said engine having a below deck engine exhaust, said engine exhaust comprising an engine exhaust pipe, said pipe extending from said engine to below said deck, and an engine muffler on the outer terminal end of said pipe below said deck.
Claim 2
Dependent Claim
186 words
In a rotary mower having a deck, a grass catching blade below the deck, and power means on the deck for driving the blade, noise reduction means for said mower, said noise reduction means comprising a shroud over said power means, said shroud enclosing said power means except for a top air opening in the same and a marginal air opening about the same between the shroud and deck, said shroud being hinged at one end thereof on said deck, and latch means on said deck at the other end of said shroud to latch the same closed with respect to said power means, said power means comprising a gas engine, said top air opening being formed in said shroud opposite the air intake of said engine, said engine having an engine start pull cord handle, said handle being accessible through said top opening, and said engine having a below deck engine exhaust, said engine exhaust comprising an engine exhaust pipe, said pipe extending from said engine to below said deck, and an engine muffler on the outer terminal end of said pipe below said deck.
References Cited (Backward Citations)
US3802170A
Cited
US3925972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-03 | 1981-04-04 | 1981-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-03 | 1985-04-04 | 1985-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-03 | 1989-04-04 | 1989-10-04 | $7700.00 | Window Closed / Lapsed |