Patent US4543773A successfully refreshed from Google Patents.
US4543773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-blowout plate for multi-spindle mower decks
Assignee: Deere and Co
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Filing: 1984-05-09
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Granted: 1985-10-01
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Expires: 2004-05-09
Abstract
Abstract A multi-spindle mower deck containing a plurality of mower blades rotatably supported in a deck housing. A plurality of blow-out plates strategically located and fixably mounted to the forward sidewall of the housing below the mower blades.
Inventors
- 👤 Roger D. Reilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:46
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/67; A01D34/68; A01D34/685; A01D34/64; A01D34/66; A01D2101/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
85 words
In a multi-spindle mower deck having a housing with an open underside rotatably supporting a plurality of planularly aligned mower blades, said housing having a forward sidewall leading to a discharge opening, wherein the improvement comprises a plurality of blow-out plates fixably mounted to said forward sidewall, said blades defining a cutting circle, said blow-out plates extending from said forward sidewall longitudinally and inwardly relative to said housing below said plane of said blades so as not to overlap any portion of said cutting circle.
Claim 2
Dependent Claim
85 words
In a multi-spindle mower deck having a housing with an open underside rotatably supporting a plurality of planularly aligned mower blades, said housing having a forward sidewall leading to a discharge opening, wherein the improvement comprises a plurality of blow-out plates fixably mounted to said forward sidewall, said blades defining a cutting circle, said blow-out plates extending from said forward sidewall longitudinally and inwardly relative to said housing below said plane of said blades so as not to overlap any portion of said cutting circle.
Claim 3
Dependent Claim
157 words
In a multi-spindle mower deck having a housing with an open underside rotatably supporting at least a first, second and third mower blade, said mower blades being planular aligned such that said second mower blade is located between and slightly forward of said first and third mower blades, said housing having a rear wall and a forward wall which extends from said rear wall in a continuous generally arched fashion to a discharge opening located laterally to said third mower blade, a baffle fixably mounted to said rear wall within said housing, wherein the improvement comprises a plurality of blow-out plates fixably mounted to said forward side wall respectively between adjacent ones of said mower blades, said mower blades defining a cutting circle with said blow-out plates extending from said forward sidewall below the plane of said mower blades longitudinally and inwardly relative to said housing such as not to overlap any portion of said cutting circle.
Claim 4
Dependent Claim
157 words
In a multi-spindle mower deck having a housing with an open underside rotatably supporting at least a first, second and third mower blade, said mower blades being planular aligned such that said second mower blade is located between and slightly forward of said first and third mower blades, said housing having a rear wall and a forward wall which extends from said rear wall in a continuous generally arched fashion to a discharge opening located laterally to said third mower blade, a baffle fixably mounted to said rear wall within said housing, wherein the improvement comprises a plurality of blow-out plates fixably mounted to said forward side wall respectively between adjacent ones of said mower blades, said mower blades defining a cutting circle with said blow-out plates extending from said forward sidewall below the plane of said mower blades longitudinally and inwardly relative to said housing such as not to overlap any portion of said cutting circle.
Claim 5
Dependent Claim
38 words
In a multi-spindle mower deck as claimed in claim 2 wherein said blow-out plates have a generally skewed triangular configuration with their respective basis extending along said forward wall, said blow-out plates being skewed toward said discharge opening.
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) | 1988-09-30 | 1989-04-01 | 1989-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-30 | 1993-04-01 | 1993-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-30 | 1997-04-01 | 1997-10-01 | $7700.00 | Window Closed / Lapsed |