US3285391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accumulation conveyor
Assignee: Fruehauf Corp
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Filing: 1965-10-14
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Granted: 1966-11-15
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Hollis W Fix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:05
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/26; B65G47/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ACCUMULATION CONVEYOR COMPRISING A PLURALITY OF LOAD SUPPORTING DRIVEN ROLLS, A CONTINUOUSLY ROTATING POWER ROLL UNDERLYING SAID DRIVE ROLLS EXTENDING GENERALLY PARALLEL THERETO IN SPACED RELATION, CONTINUOUSLY MOVING BELT DRIVABLY ENGAGED WITH SAID POWER ROLL, A DRIVE ROLL COAXIALLY ALIGNED WITH SAID POWER ROLL, A RELEASABLE CLUTCH BETWEEN SAID POWER AND DRIVE ROLLS COMPRISING A HELICAL COIL SPRING, ONE END OF SAID COIL SPRING DRIVABLY COILED ABOUT SAID DRIVE ROLL AND THE OTHE END BEING DRIVABLY COILED ABOUT SAID POWER ROLL, AND MEANS ENGAGEABLE WITH THE OTHER END OF SAID SPRING TO EFFECT UNCOILING THEREOF AND RELEASE OF ITS DRIVING ENGAGEMENT WITH SAID POWER ROLL.
Claim 2
Dependent Claim
106 words
AN ACCUMULATION CONVEYOR COMPRISING A PLURALITY OF LOAD SUPPORTING DRIVEN ROLLS, A CONTINUOUSLY ROTATING POWER ROLL UNDERLYING SAID DRIVE ROLLS EXTENDING GENERALLY PARALLEL THERETO IN SPACED RELATION, CONTINUOUSLY MOVING BELT DRIVABLY ENGAGED WITH SAID POWER ROLL, A DRIVE ROLL COAXIALLY ALIGNED WITH SAID POWER ROLL, A RELEASABLE CLUTCH BETWEEN SAID POWER AND DRIVE ROLLS COMPRISING A HELICAL COIL SPRING, ONE END OF SAID COIL SPRING DRIVABLY COILED ABOUT SAID DRIVE ROLL AND THE OTHE END BEING DRIVABLY COILED ABOUT SAID POWER ROLL, AND MEANS ENGAGEABLE WITH THE OTHER END OF SAID SPRING TO EFFECT UNCOILING THEREOF AND RELEASE OF ITS DRIVING ENGAGEMENT WITH SAID POWER ROLL.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |