Patent US3587822A successfully refreshed from Google Patents.
US3587822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube and bar feeder
Assignee: ATC AUTOMATION DEVELOPMENT Corp A CORP OF OH
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Filing: 1969-07-01
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Granted: 1971-06-28
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Expires: 1989-07-01
Abstract
Abstract A BAR FEEDER HAVING CONTINUOUS HIGH FEEDING PROVIDED BY A UNIQUE ESCAPEMENT MECHANISM AND HOLD DOWN ROLLERS WHICH PRESS EACH BAR AGAINST CONVEYOR TO EFFECT FEEDING. THE ESCAPEMENT FINGERS HAVING INCLUDED UPPER SURFACES WHICH LIFT ONE BAR ONLY FROM THE FEED RAMP OVER A FIXED STOP AND PUSH IT ONTO THE CONVEYOR. A SPECIAL ARRANGEMENT PER- MITS THE ESCAPEMENT FINGERS TO HANDLE AN EXCEPTIONALLY WIDE RANGE OF DIFFERENT DIAMETERS BOTH THE BOX BEAM AND THE FEED RAMPS ARE SUPPORTED BY ROWS OF JACKES TO PROVIDE INSTANT UNIFORM ADJUSTMENT.
Inventors
- 👤 Frank F White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:59
CPC Classifications
B; B23; B23B; B23B13/00; B21; B21D; B21D43/00; B21D43/006; B23B13/02; B65; B65G; B65G2201/00; B65G2201/02; B65G2205/00; B65G2205/04; B65G2811/00; B65G2811/06; B65G2811/0631; B65G2811/0642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |