Patent US3278329A successfully refreshed from Google Patents.
US3213699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission chain
Assignee: Morse Chain Co
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Filing: 1963-12-16
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Granted: 1965-10-26
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Terepin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:49
CPC Classifications
F; F16; F16G; F16G13/00; F16G13/02; F16G13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A POWER TRANSMISSION CHAIN OF THE TYPE ADAPTED TO COOPERATIVELY ENGAGE THE TEETH OF A SPROCKET COMPRISING A SERIES OF OVERLAPPING SETS OF LINKS HAVING COMMON ALIGNED PIN APERTURES FORMED THERETHROUGH, PIVOT PINS POSITIONED IN SAID PIN APERTURES FOR INTERCONNECTING SAID LINKS TO FORM A CHAIN, SAID PINS INCLUDING TWO PIN PARTS, EACH OF SAID PIN PARTS HAVING A ROCKING SURFACE IN ROCKING ENGAGEMENT WITH SAID ROCKING SURFACE OF SAID OTHER PIN PART OF SAID PIN AND A BACK SURFACE OF THE SAME CONFIGURATION AS SAID ROCKING SURFACE, AND A SUPPORT SURFACE FORMED OIN EACH LINK ADJACENT THE APERTURES THEREOF AND DEFINING A PORTION OF EACH OF THE APERTURES IN RESPECTIVE COMPLEMENTARY ENGAGEMENT WITH SAID BACK SURFACE OF ONE OF SAID PIN PARTS OF EACH OF SAID PINS POSITIONED IN THE RESPECTIVE APERTURE FOR SUPPORTING SAID PIN PART IN THE RESPECTIVE APERTURE.
Claim 2
Dependent Claim
142 words
A POWER TRANSMISSION CHAIN OF THE TYPE ADAPTED TO COOPERATIVELY ENGAGE THE TEETH OF A SPROCKET COMPRISING A SERIES OF OVERLAPPING SETS OF LINKS HAVING COMMON ALIGNED PIN APERTURES FORMED THERETHROUGH, PIVOT PINS POSITIONED IN SAID PIN APERTURES FOR INTERCONNECTING SAID LINKS TO FORM A CHAIN, SAID PINS INCLUDING TWO PIN PARTS, EACH OF SAID PIN PARTS HAVING A ROCKING SURFACE IN ROCKING ENGAGEMENT WITH SAID ROCKING SURFACE OF SAID OTHER PIN PART OF SAID PIN AND A BACK SURFACE OF THE SAME CONFIGURATION AS SAID ROCKING SURFACE, AND A SUPPORT SURFACE FORMED OIN EACH LINK ADJACENT THE APERTURES THEREOF AND DEFINING A PORTION OF EACH OF THE APERTURES IN RESPECTIVE COMPLEMENTARY ENGAGEMENT WITH SAID BACK SURFACE OF ONE OF SAID PIN PARTS OF EACH OF SAID PINS POSITIONED IN THE RESPECTIVE APERTURE FOR SUPPORTING SAID PIN PART IN THE RESPECTIVE APERTURE.
References Cited (Backward Citations)
US844805A
Cited
US1488710A
Cited
US1743500A
Cited
US1644656A
Cited
US1661074A
Cited
US2653485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |