US3300028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator conveyor
Assignee: Individual
•
Filing: 1965-03-25
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Granted: 1967-01-24
•
Expires: 1985-03-25
Abstract
No abstract record available.
Inventors
- 👤 Francis X Landrey
- 👤 Raymond L Snell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:40
CPC Classifications
B; B65; B65G; B65G37/00; B65G2812/00; B65G2812/01; B65G2812/016; B65G2812/018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN ELEVATOR FOR CONVEYING A SERIES OF GENERALLY FLAT ARTICLES COMPRISING AN ELONGATED FRAME SUPPORTED IN AN UPRIGHT POSITION AND FORMING A SHAFT FOR SAID ELEVATOR, A PAIR OF OPPOSED CONVEYORS MOUNTED IN SAID SHAFT, SAID CONVEYORS BEING SPACED TO DEFINE A FEED PATH FOR SAID ARTICLES, EACH OF SAID CONVEYORS COMPRISING SPACED RIGID SIDE FRAME MEMBERS AND A PLURALITY OF TRANSVERSE IDLER ROLLERS MOUNTED BETWEEN SAID FRAME MEMBERS OF EACH CONVEYOR, ONE OF SAID CONVEYORS BEING A NONDRIVEN IDLER CONVEYOR, ONE OF SAID CONVEYORS BEING A POWER CONVEYOR HAVING AN ENDLESS BELT POSITIONED IN ENGAGEMENT WITH SAID ROLLERS ALONG SAID FEED PATH, DRIVE MEANS FOR DRIVING SAID BELT, AND RESILIENT MOUNTING MEANS FOR ONE OF SAID CONVEYORS FOR URGING SAID CONVEYOR AS A WHOLE TOWARD THE OPPOSED CONVEYOR WHEREBY SAID ARTICLES ALONG SAID FEED PATH ARE CLAMPED IN DRIVING ENGAGEMENT WITH SAID BELT.
Claim 2
Dependent Claim
144 words
AN ELEVATOR FOR CONVEYING A SERIES OF GENERALLY FLAT ARTICLES COMPRISING AN ELONGATED FRAME SUPPORTED IN AN UPRIGHT POSITION AND FORMING A SHAFT FOR SAID ELEVATOR, A PAIR OF OPPOSED CONVEYORS MOUNTED IN SAID SHAFT, SAID CONVEYORS BEING SPACED TO DEFINE A FEED PATH FOR SAID ARTICLES, EACH OF SAID CONVEYORS COMPRISING SPACED RIGID SIDE FRAME MEMBERS AND A PLURALITY OF TRANSVERSE IDLER ROLLERS MOUNTED BETWEEN SAID FRAME MEMBERS OF EACH CONVEYOR, ONE OF SAID CONVEYORS BEING A NONDRIVEN IDLER CONVEYOR, ONE OF SAID CONVEYORS BEING A POWER CONVEYOR HAVING AN ENDLESS BELT POSITIONED IN ENGAGEMENT WITH SAID ROLLERS ALONG SAID FEED PATH, DRIVE MEANS FOR DRIVING SAID BELT, AND RESILIENT MOUNTING MEANS FOR ONE OF SAID CONVEYORS FOR URGING SAID CONVEYOR AS A WHOLE TOWARD THE OPPOSED CONVEYOR WHEREBY SAID ARTICLES ALONG SAID FEED PATH ARE CLAMPED IN DRIVING ENGAGEMENT WITH SAID BELT.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |