US3225879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoping conveyor
Assignee: Rapids Standard Co Inc
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Filing: 1963-02-14
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Granted: 1965-12-28
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Carl J Falcon
- 👤 Daniel A Fogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:50
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/11; B65G13/12; B65G21/00; B65G21/10; B65G21/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
AN EXTENDIBLE GRAVITY CONVEYOR, INCLUDING: AT LEAST TWO CONVEYOR SECTIONS ADAPTED TO TELESCOPE TOGETHER, SAID SECTIONS VERTICALLY SPACED FROM EACH OTHER IN TELESCOPED POSITION; HORIZONTAL FLANGES EXTENDING ALONG THE SIDES OF SAID SECTIONS; A CONNECTING ELEMENT OPERABLY SECURED BETWEEN SAID SECTIONS, SAID ELEMENT HAVING A PAIR OF SIDE PLATES AND CONVEYING MEANS INTERCONNECTING SAID PLATES; ROLLERS SECURED TO SID PLATES OF SAID ELEMENT ADAPTED TO RIDE ON SAID FLANGES OF ONE OF SAID SECTIONS; DONWARDLY SLOPING GUIDE FLANGES SERVING AS AN EXTENSION OF SAID FLANGES OF ONE OF SAID SECTIONS; AN ARM SECURED TO AND EXTENDING FROM EACH PLATE OF SAID ELEMENT TOWARD THE ADJACENT END OF THE OTHER OF SAID SECTIONS AND PIVOTALLY SECURED TO THE SIDES OF SAID OTHER SECTION, WHEN SAID SECTIONS ARE SHIFTED APART LENGTHWISE SAID ROLLERS TRAVEL ALONG SAID FLANGES OF SAID ONE SECTION AND DOWN SAID GUIDE FLANGES, THE INCLINATION OF SAID GUIDE FLANGES CAUSING SAID ARMS TO PIVOT WITH RESPECT TO SAID OTHER SECTION, SHIFTING SAID ELEMENT INTO A PLANE COMMON TO BOTH OF SAID SECTIONS FOR FORMING A CONTINUOUS CONVEYING SURFACE BETWEEN SAID SECTIONS.
Claim 2
Dependent Claim
182 words
AN EXTENDIBLE GRAVITY CONVEYOR, INCLUDING: AT LEAST TWO CONVEYOR SECTIONS ADAPTED TO TELESCOPE TOGETHER, SAID SECTIONS VERTICALLY SPACED FROM EACH OTHER IN TELESCOPED POSITION; HORIZONTAL FLANGES EXTENDING ALONG THE SIDES OF SAID SECTIONS; A CONNECTING ELEMENT OPERABLY SECURED BETWEEN SAID SECTIONS, SAID ELEMENT HAVING A PAIR OF SIDE PLATES AND CONVEYING MEANS INTERCONNECTING SAID PLATES; ROLLERS SECURED TO SID PLATES OF SAID ELEMENT ADAPTED TO RIDE ON SAID FLANGES OF ONE OF SAID SECTIONS; DONWARDLY SLOPING GUIDE FLANGES SERVING AS AN EXTENSION OF SAID FLANGES OF ONE OF SAID SECTIONS; AN ARM SECURED TO AND EXTENDING FROM EACH PLATE OF SAID ELEMENT TOWARD THE ADJACENT END OF THE OTHER OF SAID SECTIONS AND PIVOTALLY SECURED TO THE SIDES OF SAID OTHER SECTION, WHEN SAID SECTIONS ARE SHIFTED APART LENGTHWISE SAID ROLLERS TRAVEL ALONG SAID FLANGES OF SAID ONE SECTION AND DOWN SAID GUIDE FLANGES, THE INCLINATION OF SAID GUIDE FLANGES CAUSING SAID ARMS TO PIVOT WITH RESPECT TO SAID OTHER SECTION, SHIFTING SAID ELEMENT INTO A PLANE COMMON TO BOTH OF SAID SECTIONS FOR FORMING A CONTINUOUS CONVEYING SURFACE BETWEEN SAID SECTIONS.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |