US3793967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manure spreader
Assignee: Lely Corp
•
Filing: 1971-06-28
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Granted: 1974-02-26
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Expires: 1991-06-28
Abstract
Abstract A manure spreader comprising a frame movable over the ground and a container mounted on said frame. A dispensing device is provided for supplying liquid manure from the container to an area under the ground surface. The dispenser has coupling points by means of which it is attachable to the three-point hitch of a tractor or other propelling vehicle.
Inventors
- 👤 P Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:13
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/02; Y; Y10; Y10S; Y10S111/00; Y10S111/925
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
157 words
A manure spreader comprising a frame movable over the ground and a container in communication with dispensing means supported on said frame, means hingeably connecting said frame with said dispensing means and said spreader having pivotable coupling points at its forward portion for coupling the spreader to threepoint lifting hitch of a prime mover, said dispensing means comprising conduit means and a substantially rigid dispensing tube, said conduit means extending forwardly of said container and being in communication with said rigid dispensing tube, said tube having a lower portion extending under the ground surface and opening means in said lower portion, said tube, in part, extending substantially horizontal and transverse relative to the normal direction of travel of the spreader, soil penetrating means supported on the lower portion of said tube and said dispensing tube being vertically movable by said three point lifting hitch to an inoperative position together with said soil penetrating means as a unit.
Claim 2
Dependent Claim
157 words
A manure spreader comprising a frame movable over the ground and a container in communication with dispensing means supported on said frame, means hingeably connecting said frame with said dispensing means and said spreader having pivotable coupling points at its forward portion for coupling the spreader to threepoint lifting hitch of a prime mover, said dispensing means comprising conduit means and a substantially rigid dispensing tube, said conduit means extending forwardly of said container and being in communication with said rigid dispensing tube, said tube having a lower portion extending under the ground surface and opening means in said lower portion, said tube, in part, extending substantially horizontal and transverse relative to the normal direction of travel of the spreader, soil penetrating means supported on the lower portion of said tube and said dispensing tube being vertically movable by said three point lifting hitch to an inoperative position together with said soil penetrating means as a unit.
Claim 3
Dependent Claim
26 words
A spreader as claimed in claim 1, wherein said tube has at least one opening and a sub soil plow member is positioned adjacent said opening.
Claim 4
Dependent Claim
39 words
A spreader as claimed in claim 1, wherein said tube has an arcuate configuration with downwardly extending legs and each of said legs has an opening adjacent its lower end with a plow member being positioned adjacent each opening.
Claim 5
Dependent Claim
44 words
A spreader as claimed in claim 1, wherein said tube is U-form in configuration with downwardly extending legs, the rear side of each leg having an inlet for receiving fertilizer from said container and a plow member at the lower ends of said legs.
Claim 6
Dependent Claim
33 words
A spreader as claimed in claim 4, wherein the lower end of a leg and its plow member, are inclined upwardly in a direction opposite to the direction of travel of the spreader.
Claim 7
Dependent Claim
25 words
A spreader as claimed in claim 1, wherein said tube has a rear coupling point and said frame is hingeably connected to said coupling point.
Claim 8
Dependent Claim
27 words
A spreader as claimed in claim 1, wherein said tube has a plurality of coupling points which are connectable to the three-point hitch of the prime mover.
Claim 9
Dependent Claim
65 words
A spreader as claimed in claim 1, wherein a pump is mounted on said frame and connected to said container for filling same with fertilizer and by means of which said fertilizer can be pressured to said dispensing means, an outlet at the front of said container with a valve positioned to control said outlet, said container having a valved inlet at the rear thereof.
Claim 10
Dependent Claim
32 words
A spreader as claimed in claim 1, wherein said pivotable coupling points are secured to said dispensing means and said spReader is pivotably connectable to the prime mover through said dispensing means.
References Cited (Backward Citations)
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Cited
US2843066A
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US3218999A
Cited
US3413940A
Cited
US3378279A
Cited
US3608645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |