Patent US4528225A successfully refreshed from Google Patents.
Patent US4443998A successfully refreshed from Google Patents.
US4443998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mower having an improved cutter bar
Assignee: Kuhn SAS
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Filing: 1981-12-14
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Granted: 1984-04-24
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Expires: 2001-12-14
Abstract
Abstract A mower having a casing comprising an upper and a lower portion, a plurality of disks, each provided with cutting means. The improvement comprising securing means for interconnecting the upper and lower portions of said casing and bracing means for keeping the upper and lower portions of said casing at a set distance from one another.
Inventors
- 👤 Horst Neuerburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:38
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/664
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
125 words
In a mower including a casing comprising an upper and a lower portion; a plurality of disks located above said casing each provided with cutting means; said upper portion including bearing block means supported by said casing and secured thereto, at least one of said disks being guided by said bearing block means; and transmission means located in said casing driving at least said one disk; the improvement comprising, a plurality of securing means interconnecting the upper and lower portions of the casing and being operable to secure said bearing block means to said casing; and a plurality of bracing means each positioned adjacent a securing means and abutting the inner surfaces of the upper and lower portions of said casing thereby bracing the casing.
Claim 2
Dependent Claim
125 words
In a mower including a casing comprising an upper and a lower portion; a plurality of disks located above said casing each provided with cutting means; said upper portion including bearing block means supported by said casing and secured thereto, at least one of said disks being guided by said bearing block means; and transmission means located in said casing driving at least said one disk; the improvement comprising, a plurality of securing means interconnecting the upper and lower portions of the casing and being operable to secure said bearing block means to said casing; and a plurality of bracing means each positioned adjacent a securing means and abutting the inner surfaces of the upper and lower portions of said casing thereby bracing the casing.
Claim 3
Dependent Claim
16 words
In a mower as claimed in claim 1, wherein said bracing means surrounds said securing means.
Claim 4
Dependent Claim
18 words
In a mower as claimed in claim 2, wherein said bracing means is constituted by a synthetic material.
Claim 5
Dependent Claim
16 words
In a mower as claimed in claim 2, wherein said bracing means further comprises sealing means.
Claim 6
Dependent Claim
31 words
In a mower as claimed in claim 4, wherein said bracing means have grooves in the upper and lower faces thereof and said sealing means comprises O-rings lodged in said grooves.
Claim 7
Dependent Claim
157 words
In a mower including a casing comprising an upper and a lower portion, normally about horizontal in use; a plurality of disks located above said casing each provided with cutting means; said upper portion including a bearing block supported by said casing and secured thereto, at least one of said disks being guided by said bearing block; and transmission means in said casing driving at least said one disk; the improvement comprising, a plurality of securing means traversing and interconnecting the upper and lower portions of the casing and being operable to secure said bearing block to said casing; and a plurality of bracing means each positioned adjacent and surrounding a securing means and abutting the inner surfaces of the upper and lower portions of said casing thereby bracing the casing; said bracing means have grooves in the upper and lower faces thereof and further comprises sealing means; said sealing means comprises O-rings lodged in said grooves.
Claim 8
Dependent Claim
157 words
In a mower including a casing comprising an upper and a lower portion, normally about horizontal in use; a plurality of disks located above said casing each provided with cutting means; said upper portion including a bearing block supported by said casing and secured thereto, at least one of said disks being guided by said bearing block; and transmission means in said casing driving at least said one disk; the improvement comprising, a plurality of securing means traversing and interconnecting the upper and lower portions of the casing and being operable to secure said bearing block to said casing; and a plurality of bracing means each positioned adjacent and surrounding a securing means and abutting the inner surfaces of the upper and lower portions of said casing thereby bracing the casing; said bracing means have grooves in the upper and lower faces thereof and further comprises sealing means; said sealing means comprises O-rings lodged in said grooves.
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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) | 1987-04-24 | 1987-10-24 | 1988-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-24 | 1991-10-24 | 1992-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-24 | 1995-10-24 | 1996-04-24 | $7700.00 | Window Closed / Lapsed |