Patent US4196697A successfully refreshed from Google Patents.
US4196697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding apparatus
Assignee: Nederlandsche Apparatenfabriek NEDAP NV
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Filing: 1977-08-31
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Granted: 1980-04-08
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Expires: 1997-08-31
Abstract
Abstract Apparatus for feeding livestock, provided with a housing having a head insertion opening via which the animals can take in the food, and comprising a dosing device for food supply to the housing and responsive to the presence of selected specimens of the animals. There are provided discharge means for food leavings from the housing, said discharge means becoming operative upon removal of the head of an animal from the head insertion opening, and inoperative in the presence of the head of an animal in the head insertion opening.
Inventors
- 👤 Gerardus W. Poiesz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:19
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0275
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
186 words
An apparatus for animal feeding comprising a housing having an upper feeding chamber, and a lower food leavings collection chamber, there being a communication port connecting said upper chamber with said lower chamber, a closure member supported in said housing and movable between a first position wherein it is disposed adjacent said communication port in unblocking relationship therewith to a second position in which it closes off said communication port, a dosing device for supplying food to said upper feeding chamber, said housing upper part having an opening thereon for reception of the head of an animal to be fed, the presence of the head of said animal in said housing upper part being effective to move said closure member from its first to second position, and switch means associated with rendering said dosing device operable, said switch means including a first switch actuated by movement of said closure member from its first to second position, and a second switch located at the side of said housing upper chamber opening for actuation thereof by a device worn on the neck of an animal to be fed.
Claim 2
Independent Claim
186 words
An apparatus for animal feeding comprising a housing having an upper feeding chamber, and a lower food leavings collection chamber, there being a communication port connecting said upper chamber with said lower chamber, a closure member supported in said housing and movable between a first position wherein it is disposed adjacent said communication port in unblocking relationship therewith to a second position in which it closes off said communication port, a dosing device for supplying food to said upper feeding chamber, said housing upper part having an opening thereon for reception of the head of an animal to be fed, the presence of the head of said animal in said housing upper part being effective to move said closure member from its first to second position, and switch means associated with rendering said dosing device operable, said switch means including a first switch actuated by movement of said closure member from its first to second position, and a second switch located at the side of said housing upper chamber opening for actuation thereof by a device worn on the neck of an animal to be fed.
Claim 3
Dependent Claim
21 words
The apparatus of claim 1 in which said closure member is mounted for pivoting movement between its first and second positions.
Claim 4
Dependent Claim
30 words
The apparatus of claim 1 in which said closure member is connected with an adjustable counter weight tending to pivot said valve member in the direction of said first position.
Claim 5
Dependent Claim
25 words
The apparatus of claim 3 further comprising stop means defining the extremes of the movement of said closure member between its first and second position.
Claim 6
Dependent Claim
17 words
The apparatus of claim 3 wherein said first switch is mounted on one of said stop means.
References Cited (Backward Citations)
US3465724A
Cited
US3850145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-08 | 1983-10-08 | 1984-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-08 | 1987-10-08 | 1988-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-08 | 1991-10-08 | 1992-04-08 | $7700.00 | Window Closed / Lapsed |