US3594149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass sheet conveying apparatus
Assignee: Pilkington Group Ltd
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Filing: 1968-10-29
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Granted: 1971-07-20
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Expires: 1988-10-29
Abstract
Abstract A CONVEYOR OF CONVEYING ARTICLES SUCH AS GLASS SHEETS ALONG A PATH, E.G. THROUGH A FURNACE, AT DIFFERENT TRANSLATIONAL SPEEDS COMPRISES AN ELONGATED CARRIAGE MEMBER WHICH IS MOVED LINEARLY ALONG SAID PATH BY ENGAGEMENT WITH SUCCESSIVE DRIVE WHEELS SPACED ALONG THE PATH AND ARRANGED IN AT LEAST TWO SETS DRIVEN AT DIFFERENT ROTATIONAL SPEEDS. THE DRIVES TO AT LEAST SOME OF THE WHEELS OF A SET INCLUDE FREE-WHEEL OR SLIPPING DRIVE TRANSMISSION TO PERMIT OVER-RUNNING OF SAID WHEELS DURING A SPEED TRANSITION OF THE CARRIAGE WHEN MOVING FROM ONE SET OF DRIVE WHEELS TO ANOTHER.
Inventors
- 👤 Alan Pickavance
- 👤 Ronald Charles Freestone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:36
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B9/243; B; B65; B65G; B65G35/00; C; C03; C03B; C03B35/00; C03B35/14; C03B35/22; C03B35/24; B65G2812/00; B65G2812/02; B65G2812/0299; C03B2225/00; C03B2225/02
Claims Analysis
Total Claims: 0
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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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |