US4099366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mowers
Assignee: NOMA OUTDOOR PRODUCTS Inc
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Filing: 1976-11-15
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Granted: 1978-07-11
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Expires: 1996-11-15
Abstract
Abstract Streaking is eliminated in a rear discharge twin-bladed grass cutter by a baffle between the two blades.
Inventors
- 👤 Clifford D. Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:43
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/67; A01D34/68; A01D34/685; A01D2101/00; Y; Y10; Y10S; Y10S56/00; Y10S56/22
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
173 words
In a lawn mower having a twin-bladed grass cutter with rear discharge, said grass cutter comprising an open bottom housing having a top wall and a depending surrounding side flange, a pair of laterally spaced horizontal rotary grass cutting blades mounted in said housing between the lengthwise center line and opposite sides of said housing, said flange being discontinuous at the rear end of said center line to provide a rear opening on said housing for rear discharge of grass from said housing, and means for eliminating streaking along said center line, said means comprising a baffle mounted to said top wall and depending therefrom into said housing along said center line, wherein said opposite sides of said housing are arcuate and said baffle extends arcuately from one of said sides to between said blades and then along said center line to said rear opening, and said baffle depending into said housing to a maximum depth at each of its ends and then tapering therefrom to a minimum depth at its central portion.
Claim 2
Dependent Claim
173 words
In a lawn mower having a twin-bladed grass cutter with rear discharge, said grass cutter comprising an open bottom housing having a top wall and a depending surrounding side flange, a pair of laterally spaced horizontal rotary grass cutting blades mounted in said housing between the lengthwise center line and opposite sides of said housing, said flange being discontinuous at the rear end of said center line to provide a rear opening on said housing for rear discharge of grass from said housing, and means for eliminating streaking along said center line, said means comprising a baffle mounted to said top wall and depending therefrom into said housing along said center line, wherein said opposite sides of said housing are arcuate and said baffle extends arcuately from one of said sides to between said blades and then along said center line to said rear opening, and said baffle depending into said housing to a maximum depth at each of its ends and then tapering therefrom to a minimum depth at its central portion.
Claim 3
Dependent Claim
78 words
In a lawn mower as in claim 1, said grass cutter being positioned beneath a riding-type garden tractor, said tractor having a pair of front and rear wheels, the opposite arcuate sides of said housing extending to between said front and rear wheels at opposite sides of said tractor, said rear opening facing the rear of said tractor, and a rear discharge chute connected to said rear opening, said chute extending to between said rear pair of wheels.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-10 | 1982-01-09 | 1982-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-10 | 1986-01-09 | 1986-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-10 | 1990-01-09 | 1990-07-11 | $7700.00 | Window Closed / Lapsed |