Patent US3108671A successfully refreshed from Google Patents.
US3108671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inclined roller conveyor for conveying articles and controlling the rate of movement thereof
Assignee: AT&T Inc
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Filing: 1960-08-25
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Granted: 1963-10-29
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Expires: 1980-08-25
Abstract
No abstract record available.
Inventors
- 👤 Otto J Fuka
- 👤 Donald B Sweely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:49
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CONVEYOR COMPRISING A PLURALITY OF ROLLERS, FRAME MEANS FOR SUPPORTING THE ROLLERS FOR ROTATION ABOUT THEIR AXIS AND IN AN OBLIQUELY DISPOSED ROW FOR CONVEYING ARTICLES BY GRAVITY, A MEMBER SUPPORTED ON SAID FRAME MEANS BENEATH SAID ROW OF ROLLERS AND PARALLEL THERETO, AN INFLATABLE TUBE SUPPORTED ON SAID MEMBER AND OPERABLE WHEN INFLATED TO ARREST THE ROTATION OF SAID ROLLERS, MEANS INCLUDING A VALVE FOR CONNECTING SAID TUBE TO A SOURCE OF COMPRESSED AIR, ROTARY CAM FOR ACTUATING SAID VALVE TO EFFECT PREDETERMINED INTERVALS OF INFLATION AND DEFLATION FOR EACH REVOLUTION OF SAID CAM, AND MEANS INCLUDING A MOTOR FOR ROTATING SAID CAM.
Claim 2
Dependent Claim
105 words
A CONVEYOR COMPRISING A PLURALITY OF ROLLERS, FRAME MEANS FOR SUPPORTING THE ROLLERS FOR ROTATION ABOUT THEIR AXIS AND IN AN OBLIQUELY DISPOSED ROW FOR CONVEYING ARTICLES BY GRAVITY, A MEMBER SUPPORTED ON SAID FRAME MEANS BENEATH SAID ROW OF ROLLERS AND PARALLEL THERETO, AN INFLATABLE TUBE SUPPORTED ON SAID MEMBER AND OPERABLE WHEN INFLATED TO ARREST THE ROTATION OF SAID ROLLERS, MEANS INCLUDING A VALVE FOR CONNECTING SAID TUBE TO A SOURCE OF COMPRESSED AIR, ROTARY CAM FOR ACTUATING SAID VALVE TO EFFECT PREDETERMINED INTERVALS OF INFLATION AND DEFLATION FOR EACH REVOLUTION OF SAID CAM, AND MEANS INCLUDING A MOTOR FOR ROTATING SAID CAM.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |