US4426828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mower having an improved cutter bar
Assignee: Kuhn SAS
•
Filing: 1981-12-14
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Granted: 1984-01-24
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Expires: 2001-12-14
Abstract
Abstract A mower having a casing, several disks located above the casing and bearing block means supported by the casing, and furthermore having a plate secured to the bearing block means and skid means connected to the plate for protecting the disks.
Inventors
- 👤 Horst Neuerburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:09
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/664
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
84 words
In a mower movable in a predetermined direction including, a casing, a plurality of disks located above said casing each provided with cutting means, bearing block means supported by said casing, at least one of said disks being guided by said bearing block means, transmission means located in said casing for driving at least said one disk, the improvement comprising, a plate secured to said bearing block means; and disk-protecting skid means connected to and extending in front of said plate along said direction.
Claim 2
Dependent Claim
84 words
In a mower movable in a predetermined direction including, a casing, a plurality of disks located above said casing each provided with cutting means, bearing block means supported by said casing, at least one of said disks being guided by said bearing block means, transmission means located in said casing for driving at least said one disk, the improvement comprising, a plate secured to said bearing block means; and disk-protecting skid means connected to and extending in front of said plate along said direction.
Claim 3
Dependent Claim
25 words
In a mower as claimed in claim 1, wherein said casing is elongated and said plate extends substantially over the entire length of said casing.
Claim 4
Dependent Claim
26 words
In a mower as claimed in claim 1, wherein said casing includes a lower face and said plate extends over the lower face of said casing.
Claim 5
Dependent Claim
24 words
In a mower as claimed in claim 1, wherein said plate substantially covers the edge of said casing which is forwardmost of said direction.
Claim 6
Dependent Claim
26 words
In a mower as claimed in claim 1, further comprising scrapper means extending in the area between two adjoining disks, and being secured to said plate.
Claim 7
Dependent Claim
26 words
In a mower as claimed in claim 5, wherein said scrapper means has a length at least equal to the distance separating two adjoining disk-protecting skids.
Claim 8
Dependent Claim
19 words
In a mower as claimed in claim 1, wherein said disk-protecting skid means are removably connected to said plate.
Claim 9
Dependent Claim
80 words
In a mower as claimed in claim 1, wherein said casing comprising an upper and a lower portion; further including a plurality of securing means interconnecting the upper and the lower portions of said casing and being operable to secure said bearing block means and said plate 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 said casing.
Claim 10
Dependent Claim
16 words
In a mower as claimed in claim 8, wherein said bracing means surrounds said securing means.
Claim 11
Dependent Claim
16 words
In a mower as claimed in claim 9, wherein said bracing means further comprises sealing means.
Claim 12
Dependent Claim
31 words
In a mower as claimed in claim 10, 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 13
Dependent Claim
18 words
In a mower as claimed in claim 9, wherein said bracing means is constituted by a synthetic material.
Claim 14
Dependent Claim
19 words
In a mower as claimed in claim 1, wherein the bracing means have the form of a cylindrical tube.
References Cited (Backward Citations)
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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) | 1987-01-23 | 1987-07-25 | 1988-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-23 | 1991-07-25 | 1992-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-23 | 1995-07-25 | 1996-01-24 | $7700.00 | Window Closed / Lapsed |