US3620192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animal actuated silo feeding gate
Assignee: Individual
•
Filing: 1970-03-19
•
Granted: 1971-11-16
•
Expires: 1990-03-19
Abstract
Abstract A feeding silo of the type comprising an enclosure of substantially rectangular configuration having an open end. A feeding gate is positioned across said opening and is mounted for movement longitudinally through said enclosure at a rate dependent upon the rate of consumption of the ensilage within the silo.
Inventors
- 👤 James R Taylor
- 👤 Clifford M Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:48
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/166; A01K; A01K1/00; A01K1/10; A01K1/105
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
106 words
A feeding silo containing ensilage, comprising an enclosure having opposed upright sidewalls and at least one open end, a feed gate positioned across said open end, suspension means mounting said gate for movement longitudinally through said silo from said open end, said suspension means comprising a rail attached to each of said sidewalls, a wheeled carriage riding on each of said rails, means connecting said gate to said carriage, and a balance arm attached at one end to and depending from each of said carriages and a horizontally disposed roller on the other end of said arm maintained in rolling engagement with each of said sidewalls.
Claim 2
Dependent Claim
106 words
A feeding silo containing ensilage, comprising an enclosure having opposed upright sidewalls and at least one open end, a feed gate positioned across said open end, suspension means mounting said gate for movement longitudinally through said silo from said open end, said suspension means comprising a rail attached to each of said sidewalls, a wheeled carriage riding on each of said rails, means connecting said gate to said carriage, and a balance arm attached at one end to and depending from each of said carriages and a horizontally disposed roller on the other end of said arm maintained in rolling engagement with each of said sidewalls.
Claim 3
Dependent Claim
40 words
A feeding silo as defined in claim 1 wherein said carriages each include front and rear flanged wheels, in tandem relationship and said balancing arms depend from a point on each of said carriages intermediate the axes of said wheels.
Claim 4
Dependent Claim
18 words
A feeding silo as defined in claim 2 wherein said gate is pivotally attached to said balancing arms.
Claim 5
Dependent Claim
39 words
A feeding silo as defined in claim 1 and including a scraper mounted on the leading bottom edge of said gate and a grounding-engaging roller attached to said scraper for facilitating the movement of said scraper and said gate.
Claim 6
Dependent Claim
20 words
A feeding silo as defined in claim 1 and including stop means on said carriage for preventing rearward movement thereof.
References Cited (Backward Citations)
US2294025A
Cited
US2520555A
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US2551460A
Cited
US2691359A
Cited
US2843085A
Cited
US3063416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |