US3638407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platform knife-cutting angle adjustment
Assignee: Case LLC
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Filing: 1969-12-12
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Granted: 1972-02-01
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Expires: 1989-12-12
Abstract
Abstract A quick detachable apparatus for connecting a harvesting platform to its feeder housing at various angles thereto. The location of the upper coupling element carried by the feeder housing is adjustable about an underlying axis and the arcuate abutting surfaces of the lower coupling are generated about this same axis. Thus regardless of the location of the upper coupler, the abutting surfaces of the lower coupler are always aligned.
Inventors
- 👤 Paul G Togami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:15
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/14; A01D41/16; Y; Y10; Y10S; Y10S56/00; Y10S56/09
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
199 words
In an agricultural machine including a crop-processing unit and a crop-gathering unit; said crop-gathering unit including a transverse platform and a longitudinal feeder housing each having an upper and a lower portion, means pivotally connecting one end of said feeder housing to said crop-processing unit, quick detachable means for connecting the other end of said feeder housing to said transverse platform, and means between said crop-processing unit and said feeder housing for pivoting the latter about said pivotally connecting means; said quick-detachable means comprising a first structure adjustably secured to the upper portion of said transverse platform, said first structure including a pair of transversely protruding free ends having arcuate undersurfaces, said quick detachable means further including a second structure carried by the upper portion of the feeder housing, said second structure including a pair of forwardly protruding elements each having upwardly opening arcuate cradles formed therein, said pair of transversely protruding free ends seating in said upwardly opening arcuate cradles upon upward movement of said feeder housing and permitting pivotable movement therebetween about a horizontal transverse axis, and fastening means carried by the lower portions of the housing and platform for locking said platform to said feeder housing.
Claim 2
Dependent Claim
199 words
In an agricultural machine including a crop-processing unit and a crop-gathering unit; said crop-gathering unit including a transverse platform and a longitudinal feeder housing each having an upper and a lower portion, means pivotally connecting one end of said feeder housing to said crop-processing unit, quick detachable means for connecting the other end of said feeder housing to said transverse platform, and means between said crop-processing unit and said feeder housing for pivoting the latter about said pivotally connecting means; said quick-detachable means comprising a first structure adjustably secured to the upper portion of said transverse platform, said first structure including a pair of transversely protruding free ends having arcuate undersurfaces, said quick detachable means further including a second structure carried by the upper portion of the feeder housing, said second structure including a pair of forwardly protruding elements each having upwardly opening arcuate cradles formed therein, said pair of transversely protruding free ends seating in said upwardly opening arcuate cradles upon upward movement of said feeder housing and permitting pivotable movement therebetween about a horizontal transverse axis, and fastening means carried by the lower portions of the housing and platform for locking said platform to said feeder housing.
Claim 3
Dependent Claim
52 words
The invention as set forth in claim 1 wherein the adjustable securement of said first structure to the upper portion of the transverse platform is limited to an arc generated about a pivot axis adjacent said lower portions, and wherein said fastening means include abutting arcuate surfaces generated about said pivot axis.
Claim 4
Dependent Claim
48 words
The invention as set forth in claim 2 wherein said fastening means include a pair of transversely protruding abutments, said abutting arcuate surfaces being formed on said transversely protruding abutments, and clamp means encompassing said transversely protruding abutments and operative to retain said abutting arcuate surfaces in engagement.
Claim 5
Dependent Claim
31 words
The invention as set forth in claim 1 wherein retaining means are provided for preventing the unseating of said pair of transversely protruding free ends from said upwardly opening arcuate cradle.
Claim 6
Dependent Claim
43 words
The invention as set forth in claim 4 wherein said retaining means include a plate having an aperture formed therein of a configuration to receive one of said free ends and means for attaching said plate to one of said forwardly protruding elements.
Claim 7
Dependent Claim
31 words
The invention as set forth in claim 2 wherein retaining means are provided for preventing the unseating of said pair of transversely protruding free ends from said upwardly opening arcuate cradles.
Claim 8
Dependent Claim
48 words
The invention as set forth in claim 6 wherein said fastening means include a pair of transversely protruding abutments, said abutting arcuate surfaces being formed on said transversely protruding abutments, and clamp means encompassing said transversely protruding abutments and operative to retain said abutting arcuate surfaces in engagement.
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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |