US3178045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handling rigid sheet articles
Assignee: PPG Industries Inc
•
Filing: 1962-01-15
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Granted: 1965-04-13
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles R Davidson
- 👤 William P Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:16
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/05; B65G49/06; B65G49/067; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/48; C; C03; C03B; C03B35/00; C03B35/14; C03B35/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
APPARATUS FOR LOADING RIGID SHEETS INTO TONGS COMPRISING: A FIRST CONVEYOR INCLUDING: A LOADING CONVEYOR SECTION CONSTRUCTED AND ARRANGED FOR CONVEYING FLAT RIGID SHEETS IN A TILTED POSITION, A PIVOTABLE CONVEYOR SECTION LOCATED IN END-TO-END RELATION TO SAID LOADING CONVEYOR SECTION AND PIVOTABLE BETWEEN A TILTED ORIENTATION ALIGNED WITH SAID LOADING CONVEYOR SECTION TO RECEIVE RIGID SHEETS THEREFROM AND A VERTICAL PLANE, MEANS OPERATIVELY CONNECTED TO SAID PIVOTABLE CONVEYOR SECTION TO PIVOT THE LATTER INTO A POSITION SUPPORTING A RIGID SHEET IN SAID VERTICAL PLANE, AND A RIGID SHEET RECEIVING STATION LOCATED IN ALIGNMENT WITH SAID PIVOTABLE CONVEYOR SECTION WHEN THE LATTER OCCUPIES SAID POSITION SUPPORTING A RIGID SHEET IN SAID VERTICAL PLANE, SECOND CONVEYOR MEANS FOR CONVEYING A TONG SUPPORTING CARRIAGE IN A CYCLIC PATH INCLUDING A LONGITUDINAL PATH PORTION DISPOSED ABOVE SAID RIGID SHEET RECEIVING STATION AND ADAPTED TO SUPPORT TONGS IN SAID VERCAL PLANE OCCUPIED BY SAID SHEET RECEIVING STATION, AND TRANSFER MEANS RESPONSIVE TO THE PRESENCE OF A GLASS SHEET AT SAID SHEET RECEIVING STATION AND A TONG SUPPORTING CARRIAGE IN ALIGNMENT THEREABOVE FOR LIFTING SAID RIGID SHEET OCCUPYING SAID SHEET RECEIVING STATION FROM SAID SHEET RECEIVING STATION AND INTO GRIPPING RELATION BY SAID TONGS.
Claim 2
Dependent Claim
199 words
APPARATUS FOR LOADING RIGID SHEETS INTO TONGS COMPRISING: A FIRST CONVEYOR INCLUDING: A LOADING CONVEYOR SECTION CONSTRUCTED AND ARRANGED FOR CONVEYING FLAT RIGID SHEETS IN A TILTED POSITION, A PIVOTABLE CONVEYOR SECTION LOCATED IN END-TO-END RELATION TO SAID LOADING CONVEYOR SECTION AND PIVOTABLE BETWEEN A TILTED ORIENTATION ALIGNED WITH SAID LOADING CONVEYOR SECTION TO RECEIVE RIGID SHEETS THEREFROM AND A VERTICAL PLANE, MEANS OPERATIVELY CONNECTED TO SAID PIVOTABLE CONVEYOR SECTION TO PIVOT THE LATTER INTO A POSITION SUPPORTING A RIGID SHEET IN SAID VERTICAL PLANE, AND A RIGID SHEET RECEIVING STATION LOCATED IN ALIGNMENT WITH SAID PIVOTABLE CONVEYOR SECTION WHEN THE LATTER OCCUPIES SAID POSITION SUPPORTING A RIGID SHEET IN SAID VERTICAL PLANE, SECOND CONVEYOR MEANS FOR CONVEYING A TONG SUPPORTING CARRIAGE IN A CYCLIC PATH INCLUDING A LONGITUDINAL PATH PORTION DISPOSED ABOVE SAID RIGID SHEET RECEIVING STATION AND ADAPTED TO SUPPORT TONGS IN SAID VERCAL PLANE OCCUPIED BY SAID SHEET RECEIVING STATION, AND TRANSFER MEANS RESPONSIVE TO THE PRESENCE OF A GLASS SHEET AT SAID SHEET RECEIVING STATION AND A TONG SUPPORTING CARRIAGE IN ALIGNMENT THEREABOVE FOR LIFTING SAID RIGID SHEET OCCUPYING SAID SHEET RECEIVING STATION FROM SAID SHEET RECEIVING STATION AND INTO GRIPPING RELATION BY SAID TONGS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |