US3289819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spiral conveyor coupling means
Assignee: Jeffrey Galion Manufacturing Co
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Filing: 1965-08-12
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Granted: 1966-12-06
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Expires: 1985-08-12
Abstract
No abstract record available.
Inventors
- 👤 Walter C Steinmetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:27
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/24; B65G33/32; F; F16; F16B; F16B2200/00; F16B2200/30; Y; Y10; Y10T; Y10T403/00; Y10T403/55; Y10T403/551; Y10T403/553; Y10T403/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A SPIRAL CONVEYOR, A FIRST SPIRAL CONVEYOR SECTION, A SECOND SPIRAL CONVEYOR SECTION, SAID FIRST AND SECOND SPIRAL CONVEYOR SECTIONS BEING DISPOSED IN ADJACENT AXIAL ALIGNMENT TO SUCCESSIVELY CONVEY MATERIAL, MEAND MOUNTING SAID FIRST AND SECOND SPIRAL CONVEYOR SECTIONS FOR ROTATION, A FIRST COUPLING ELEMENT FOR SAID FIRST SPIRAL CONVEYOR SECTION, A SECOND COUPLING ELEMENT FOR SAID SECOND SPIRAL CONVEYOR SECTION, SAID FIRST AND SECOND COUPLING ELEMENTS INCLUDING COMPLEMENTALLY FORMED PORTIONS TO INTERENGAGE ONE WITH THE OTHER FOR CONNECTING SAID FIRST AND SECOND SPIRAL CONVEYOR SECTIONS, A PARTIAL COLLAR FOR SAID FIRST AND SECOND COUPLING ELEMENTS, SAID PARTIAL COLLAR BEING AFFIXED TO ONE OF SAID COUPLING ELEMENTS, ANOTHER PARTIAL COLLAR FOR SAID FIRST AND SECOND COUPLING ELEMENTS, MEANS TO RELEASABLY SECURE SAID ANOTHER PARTIAL COLLAR TO ONE OF SAID COUPLING ELEMENTS, SAID FIRST AND SECOND SPIRAL CONVEYOR SECTIONS BEING CONNECTED TO EACH OTHER BY INTERENGAGEMENT OF SAID COMPLEMENTALLY FORMED PORTIONS OF SAID COUPLING ELEMENTS TO BE ROTATABLE TOGETHER AND BEING SEPARABLE BY REMOVAL OF SAID RELEASABLE SECURING MEANS AND DISENGAGEMENT OF SAID COMPLEMENTALLY FORMED PORTIONS OF SAID COUPLING ELEMENTS.
Claim 2
Dependent Claim
180 words
IN A SPIRAL CONVEYOR, A FIRST SPIRAL CONVEYOR SECTION, A SECOND SPIRAL CONVEYOR SECTION, SAID FIRST AND SECOND SPIRAL CONVEYOR SECTIONS BEING DISPOSED IN ADJACENT AXIAL ALIGNMENT TO SUCCESSIVELY CONVEY MATERIAL, MEAND MOUNTING SAID FIRST AND SECOND SPIRAL CONVEYOR SECTIONS FOR ROTATION, A FIRST COUPLING ELEMENT FOR SAID FIRST SPIRAL CONVEYOR SECTION, A SECOND COUPLING ELEMENT FOR SAID SECOND SPIRAL CONVEYOR SECTION, SAID FIRST AND SECOND COUPLING ELEMENTS INCLUDING COMPLEMENTALLY FORMED PORTIONS TO INTERENGAGE ONE WITH THE OTHER FOR CONNECTING SAID FIRST AND SECOND SPIRAL CONVEYOR SECTIONS, A PARTIAL COLLAR FOR SAID FIRST AND SECOND COUPLING ELEMENTS, SAID PARTIAL COLLAR BEING AFFIXED TO ONE OF SAID COUPLING ELEMENTS, ANOTHER PARTIAL COLLAR FOR SAID FIRST AND SECOND COUPLING ELEMENTS, MEANS TO RELEASABLY SECURE SAID ANOTHER PARTIAL COLLAR TO ONE OF SAID COUPLING ELEMENTS, SAID FIRST AND SECOND SPIRAL CONVEYOR SECTIONS BEING CONNECTED TO EACH OTHER BY INTERENGAGEMENT OF SAID COMPLEMENTALLY FORMED PORTIONS OF SAID COUPLING ELEMENTS TO BE ROTATABLE TOGETHER AND BEING SEPARABLE BY REMOVAL OF SAID RELEASABLE SECURING MEANS AND DISENGAGEMENT OF SAID COMPLEMENTALLY FORMED PORTIONS OF SAID COUPLING ELEMENTS.
References Cited (Backward Citations)
US2528679A
Cited
US2630341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |