Patent US3738320A successfully refreshed from Google Patents.
US3738320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic milking barn
Assignee: ROSS HOLM DIVISION HOLM TRACTO
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Filing: 1972-02-14
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Granted: 1973-06-12
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Expires: 1992-02-14
Abstract
Abstract A herringbone milking parlor having automatic controls for preparation and movement of milking cows, stall adjusting means for accommodating cows of different size in a single herring-bone stall, and a swinging sector gate for transferring a group of cows in sequence from a group of preparation stalls to a herringbone milking stall.
Inventors
- 👤 W Holm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:41
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
80 words
In a milking barn having a plurality of milking stalls in which a plurality of cows can be milked and having a plurality of preparation stalls in which a plurality of cows can be prepared for milking having adjacent exits, the improvement comprising a movable frame disposable in blocking relation to the exits of said preparation stalls and movable successively past such exits to allow the cows to leave said preparation stalls in succession for entry to said milking stalls.
Claim 2
Dependent Claim
80 words
In a milking barn having a plurality of milking stalls in which a plurality of cows can be milked and having a plurality of preparation stalls in which a plurality of cows can be prepared for milking having adjacent exits, the improvement comprising a movable frame disposable in blocking relation to the exits of said preparation stalls and movable successively past such exits to allow the cows to leave said preparation stalls in succession for entry to said milking stalls.
Claim 3
Dependent Claim
33 words
The apparatus of claim 1, said frame having a wall thereon projecting away from said preparation stalls whereby cows leaving the preparation stalls cannot move in the direction of movement of the frame.
Claim 4
Dependent Claim
43 words
The apparatus of claim 2 having power means for moving said frame in both directions past the exits of said preparation stall whereby the wall controls the direction of cow exit from the preparation stalls and crowds cows away from the preparation stalls.
Claim 5
Dependent Claim
17 words
The apparatus of claim 3 in which said frame is mounted on pivot post for rotating movement.
Claim 6
Dependent Claim
36 words
The apparatus of claim 2 including a stationary fence on the opposite side of said frame from the exits for defining a passageway with the frame with the wall on the frame extending across the passageway.
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) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |