Patent US3187878A successfully refreshed from Google Patents.
US3187878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article handling apparatus
Assignee: Prospect Manufacturing Co Inc
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Filing: 1962-04-10
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Granted: 1965-06-08
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Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Walter G Harrison
- 👤 Leo A Gary
- 👤 Allan C Audet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:10
CPC Classifications
B; B65; B65G; B65G23/00; B65G23/02; B65G23/04; B65G47/00; B65G47/22; B65G47/26; B65G47/261; B65G47/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
AN ARTICLE ACCUMULATOR HAVING A LOADING END AND A DISCHARGE END, SAID ACCUMULATOR INCLUDING LONGITUDINALLY EXTENDING FRAME MEANS, A PLURALITY OF ROLLER ASSEMBLIES DISPOSED WITHIN SAID FRAME MEANS WITH THEIR RESPECTIVE AXES PARALLEL, SAID ASSEMBLIES BEING LONGITUDINALLY SPACED APART AND COMPRISING AN IDLER PORTION AND A DRIVEN PORTION, A PLURALITY OF SETS OF BELTS FITTED OVER SAID ASSEMBLIES, THE BELTS IN ANY ONE OF SAID SETS BEING WRAPPED AROUND AN IDLER PORTION IN ONE ASSEMBLY AND A DRIVEN PORTION IN AN IMMEDIATELY ADJACENT ASSEMBLY, SEPARATE DRIVE MEANS FOR EACH OF SAID ASSEMBLIES ADAPTED TO ROTATE SAID BELT SETS, AND MEANS OPERATIVELY CONNECTED TO SAID DRIVE MEANS FOR DETECTING THE PRESENCE OF ARTICLES ON SAID BELTS, SAID DETECTING MEANS BEING ADAPTED TO STOP THEIR ASSOCIATED DRIVE MEANS WHEN SAID ARTICLES ARE DETECTED, AND WHEREIN SAID ASSEMBLIES EACH COMPRISE A SINGLE SHAFT, SAID DRIVE MEANS BEING OPERATIVELY ASSOCIATED WITH THE SHAFT OF EACH ASSEMBLY, DRIVEN PORTIONS ON EACH SHAFT FOR CARRYING INDIVIDUAL BELTS IN ONE BELT SET AND IDLERS INTERPOSED BETWEEN SAID DRIVEN PORTIONS IN ALTERNATING FASHION FOR CARRYING AN ADJACENT BELT SET WHEREBY OPERATION OF THE DRIVE MEANS FOR A GIVEN ASSEMBLY WILL MOVE THE BELT SET CARRIED BY SAID DRIVEN PORTION WITHOUT MOVING THE ADJACENT BELT SET CARRIED BY SAID IDLERS.
Claim 2
Dependent Claim
211 words
AN ARTICLE ACCUMULATOR HAVING A LOADING END AND A DISCHARGE END, SAID ACCUMULATOR INCLUDING LONGITUDINALLY EXTENDING FRAME MEANS, A PLURALITY OF ROLLER ASSEMBLIES DISPOSED WITHIN SAID FRAME MEANS WITH THEIR RESPECTIVE AXES PARALLEL, SAID ASSEMBLIES BEING LONGITUDINALLY SPACED APART AND COMPRISING AN IDLER PORTION AND A DRIVEN PORTION, A PLURALITY OF SETS OF BELTS FITTED OVER SAID ASSEMBLIES, THE BELTS IN ANY ONE OF SAID SETS BEING WRAPPED AROUND AN IDLER PORTION IN ONE ASSEMBLY AND A DRIVEN PORTION IN AN IMMEDIATELY ADJACENT ASSEMBLY, SEPARATE DRIVE MEANS FOR EACH OF SAID ASSEMBLIES ADAPTED TO ROTATE SAID BELT SETS, AND MEANS OPERATIVELY CONNECTED TO SAID DRIVE MEANS FOR DETECTING THE PRESENCE OF ARTICLES ON SAID BELTS, SAID DETECTING MEANS BEING ADAPTED TO STOP THEIR ASSOCIATED DRIVE MEANS WHEN SAID ARTICLES ARE DETECTED, AND WHEREIN SAID ASSEMBLIES EACH COMPRISE A SINGLE SHAFT, SAID DRIVE MEANS BEING OPERATIVELY ASSOCIATED WITH THE SHAFT OF EACH ASSEMBLY, DRIVEN PORTIONS ON EACH SHAFT FOR CARRYING INDIVIDUAL BELTS IN ONE BELT SET AND IDLERS INTERPOSED BETWEEN SAID DRIVEN PORTIONS IN ALTERNATING FASHION FOR CARRYING AN ADJACENT BELT SET WHEREBY OPERATION OF THE DRIVE MEANS FOR A GIVEN ASSEMBLY WILL MOVE THE BELT SET CARRIED BY SAID DRIVEN PORTION WITHOUT MOVING THE ADJACENT BELT SET CARRIED BY SAID IDLERS.
References Cited (Backward Citations)
US1199818A
Cited
US1431488A
Cited
US2227778A
Cited
US2308872A
Cited
US2590091A
Cited
US2662633A
Cited
US2985835A
Cited
FR1214778A
Cited
US2978092A
Cited
US3066788A
Cited
US3116823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |