US3265193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless chain conveyors
Assignee: HIMPELM ENGINEERS Ltd
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Filing: 1964-07-28
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Granted: 1966-08-09
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Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 Bessant Albert Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:22
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/067; B65G17/068; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN ENDLESS CHAIN CONVEYOR INCORPORATING A CONVEYING SURFACE, MAIN ROLLERS FOR SUPPORTING SAID CONVEYING SURFACE, TRACKS FOR SAID MAIN ROLLERS ARRANGED AT EACH SIDE OF THE CONVEYING SURFACE, ENFLESS DRIVING CHAINS ARRANGED AT EACH SIDE OF THE CONVEYING SURFACE HAVING LINKS WHICH ARE INTERCONNECTED SO AS TO PERMIT HINGING ABOUT BOTH HORIZONTAL AND VERTICAL AXES, SPROCKETS FOR CARRYING AND DRIVING SAID ENDLESS DRIVING CHAINS, CONTROL ROLLERS PROVIDED AT EACH SIDE OF THE CONVEYING SURFACE INTERMEDIATE THE MAIN ROLLERS AFORESAID, MEANS FOR SUPPORTING SAID CONTROL ROLLERS FROM THE RESPECTIVE ENDLESS DRIVING CHAINS, AND AUXILIARY TRACKS FOR THE CONTROL ROLLERS PROVIDED AROUND A LATERAL BEND TO DEFINE AND CONTROL THE DIRECTION OF TRAVEL OF THE ENDLES DRIVING CHAINS AROUND THE LATERAL BEND, SAID CONVEYING SURFACE BEING CAPABLE OF VARIATION OF EFFECTIVE SURFACE AREA TO PERMIT THE CONVEYING SURFACE TO NEGOTIATE LATERAL BENDS UNDER THE GOVERNANCE OF SAID CONTROL ROLLERS IN ASSOCIATION WITH THE AUXILIARY TRACKS AFORESAID.
Claim 2
Dependent Claim
154 words
AN ENDLESS CHAIN CONVEYOR INCORPORATING A CONVEYING SURFACE, MAIN ROLLERS FOR SUPPORTING SAID CONVEYING SURFACE, TRACKS FOR SAID MAIN ROLLERS ARRANGED AT EACH SIDE OF THE CONVEYING SURFACE, ENFLESS DRIVING CHAINS ARRANGED AT EACH SIDE OF THE CONVEYING SURFACE HAVING LINKS WHICH ARE INTERCONNECTED SO AS TO PERMIT HINGING ABOUT BOTH HORIZONTAL AND VERTICAL AXES, SPROCKETS FOR CARRYING AND DRIVING SAID ENDLESS DRIVING CHAINS, CONTROL ROLLERS PROVIDED AT EACH SIDE OF THE CONVEYING SURFACE INTERMEDIATE THE MAIN ROLLERS AFORESAID, MEANS FOR SUPPORTING SAID CONTROL ROLLERS FROM THE RESPECTIVE ENDLESS DRIVING CHAINS, AND AUXILIARY TRACKS FOR THE CONTROL ROLLERS PROVIDED AROUND A LATERAL BEND TO DEFINE AND CONTROL THE DIRECTION OF TRAVEL OF THE ENDLES DRIVING CHAINS AROUND THE LATERAL BEND, SAID CONVEYING SURFACE BEING CAPABLE OF VARIATION OF EFFECTIVE SURFACE AREA TO PERMIT THE CONVEYING SURFACE TO NEGOTIATE LATERAL BENDS UNDER THE GOVERNANCE OF SAID CONTROL ROLLERS IN ASSOCIATION WITH THE AUXILIARY TRACKS AFORESAID.
References Cited (Backward Citations)
US2641351A
Cited
US2706033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |