US3306430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt-chain combination drive
Assignee: Rapids Standard Co Inc
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Filing: 1965-05-24
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Granted: 1967-02-28
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Daniel A Fogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:26
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/02; B65G13/06; B65G13/071; B65G47/00; B65G47/22; B65G47/26; B65G47/261; F; F16; F16G; F16G1/00; F16H; F16H7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
CONVEYOR APPARATUS COMPRISING: CONVEYOR MEANS FORMING A CONVEYOR SURFACE; PROPELLING MEANS FOR PROPELLING OBJECTS ON SAID SURFACE; SAID PROPELLING MEANS INCLUDING (A) A CONTINUOUS ROLLER CHAIN HAVING ROLLERS AND ROLLER CONNECTING AND STRADDLING SIDE LINKS, AND POWER DRIVE MEANS THEREFOR, AND (B) A FLEXIBLE CONTINUOUS FRICTION DRIVE BELT HAVING A FIRCTION FACE ON ONE SAID AND AN UNDULATED CENTRAL PORTION ON THE OPPOSITE SIDE REMOVABLY INTERFITTED WITH SAID LINKS OF SAID ROLLER CHAIN; SAID BELT HAVING LATERAL RETENTION SHOULDERS STRADDLING SAID CENTRAL PORTION; A CHAIN GUIDE AND SUPPORT TRACK IN ENGAGEMENT WITH THE ROLLERS OF SAID ROLLER CHAIN, BETWEEN SAID LINKS, OPPOSITE SAID BELT, TO HOLD SAID BELT AND CHAIN IN OPERATIVE DRIVE ENGAGEMENT WITH EACH OTHER, AND WITH SAID CONVEYOR MEANS AND TO MAINTAIN LATERAL ALIGNMENT THEREOF.
Claim 2
Dependent Claim
128 words
CONVEYOR APPARATUS COMPRISING: CONVEYOR MEANS FORMING A CONVEYOR SURFACE; PROPELLING MEANS FOR PROPELLING OBJECTS ON SAID SURFACE; SAID PROPELLING MEANS INCLUDING (A) A CONTINUOUS ROLLER CHAIN HAVING ROLLERS AND ROLLER CONNECTING AND STRADDLING SIDE LINKS, AND POWER DRIVE MEANS THEREFOR, AND (B) A FLEXIBLE CONTINUOUS FRICTION DRIVE BELT HAVING A FIRCTION FACE ON ONE SAID AND AN UNDULATED CENTRAL PORTION ON THE OPPOSITE SIDE REMOVABLY INTERFITTED WITH SAID LINKS OF SAID ROLLER CHAIN; SAID BELT HAVING LATERAL RETENTION SHOULDERS STRADDLING SAID CENTRAL PORTION; A CHAIN GUIDE AND SUPPORT TRACK IN ENGAGEMENT WITH THE ROLLERS OF SAID ROLLER CHAIN, BETWEEN SAID LINKS, OPPOSITE SAID BELT, TO HOLD SAID BELT AND CHAIN IN OPERATIVE DRIVE ENGAGEMENT WITH EACH OTHER, AND WITH SAID CONVEYOR MEANS AND TO MAINTAIN LATERAL ALIGNMENT THEREOF.
References Cited (Backward Citations)
FR1160967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |