Patent US3103275A successfully refreshed from Google Patents.
US3103275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor device
Assignee: Joy Manufacturing Co
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Filing: 1960-06-17
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Granted: 1963-09-10
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Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Lester G Rollins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:05
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/18; B65G19/22; B65G19/24; B65G19/04; B65G19/06; B65G19/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A CONVEYOR DEVICE COMPRISING, A UNIVERSAL JOINT STRUCTURE HAVING TWO UNITS ARRANGED IN SIDE TO SIDE RELATIONSHIP, EACH OF SAID UNITS COMPRISING A PAIR OF ELEMENTS PIVOTALLY CONNECTED IN ADJACENT RELATIONSHIP TO SWIVEL IN ONE PLANE, ADJACENT ELEMENTS OF SAID TWO UNITS BEING SPACED APART TO RECEIVE A SPROCKET TOOTH BETWEEN THEM, A PAIR OF SPACED MEMBERS EXTENDING ALONG THE OUTER ENDS RESPECTIVELY OF AND CONNECTED RESPECTIVELY TO THE ADJACENT ENDS OF SAID ADJACENT SPACED ELEMENTS, AT LEAST ONE OF SAID MEMBERS COMPRISING A CONVEYOR FLIGHT HAVING AN INTEGRAL ARM PORTION EXTENDING OUTWARDLY THEREFROM, SAID CONNECTION HAVING MEANS FOR SPACING SAID MEMBERS WITH RESPECT TO SAID ADJACENT ELEMENTS, AND TAPERING LOCK MEANS COOPERATIVE WITH A PORTION OF SAID FLIGHT TO MAINTAIN SAID FLIGHT IN ALIGNED RELATIONSHIP.
Claim 2
Dependent Claim
126 words
A CONVEYOR DEVICE COMPRISING, A UNIVERSAL JOINT STRUCTURE HAVING TWO UNITS ARRANGED IN SIDE TO SIDE RELATIONSHIP, EACH OF SAID UNITS COMPRISING A PAIR OF ELEMENTS PIVOTALLY CONNECTED IN ADJACENT RELATIONSHIP TO SWIVEL IN ONE PLANE, ADJACENT ELEMENTS OF SAID TWO UNITS BEING SPACED APART TO RECEIVE A SPROCKET TOOTH BETWEEN THEM, A PAIR OF SPACED MEMBERS EXTENDING ALONG THE OUTER ENDS RESPECTIVELY OF AND CONNECTED RESPECTIVELY TO THE ADJACENT ENDS OF SAID ADJACENT SPACED ELEMENTS, AT LEAST ONE OF SAID MEMBERS COMPRISING A CONVEYOR FLIGHT HAVING AN INTEGRAL ARM PORTION EXTENDING OUTWARDLY THEREFROM, SAID CONNECTION HAVING MEANS FOR SPACING SAID MEMBERS WITH RESPECT TO SAID ADJACENT ELEMENTS, AND TAPERING LOCK MEANS COOPERATIVE WITH A PORTION OF SAID FLIGHT TO MAINTAIN SAID FLIGHT IN ALIGNED RELATIONSHIP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |