Patent US5153737A successfully refreshed from Google Patents.
US3138034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Link chain for transmitting power by friction for infinitely variable gears
Assignee: Reimers Getriebe KG
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Filing: 1961-06-05
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Granted: 1964-06-23
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Dittrich Otto
- 👤 Karig Erhardt
- 👤 Steuer Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:25
CPC Classifications
F; F16; F16G; F16G5/00; F16G5/16; F16G5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN COMBINATION WITH A CONE PULLEY HAVING OPPOSED SMOOTH LUBRICATED SURFACES, A LINK CHAIN COMPRISING, IN COMBINATION, A PLURALITY OF CHAIN LINKS, EACH LINK HAVING TRANSVERSE OPENINGS THERETHROUGH ALIGNED WITH OPENINGS IN ADJACENT LINKS, PIN MEANS PASSING THROUGH SAID OPENINGS, EACH LINK HAVING A PLURALITY OF PRESSURE MEMBERS DISPOSED ONE AFTER THE OTHER IN THE LONGITUDINAL DIRECTION OF THE CHAIN EXTENDING FROM EACH SIDE OF SUCH LINK HAVING OUTER CONTACT SURFACES HAVING SPACES THEREBETWEEN ENGAGING THE OPPOSED SURFACES OF THE CONE PULLEY, AND MEANS MOUNTING THE PIN MEANS AND PRESSURE MEMBERS FOR MOVEMENT ONE WITH RESPECT TO THE OTHER TRANSVERSELY OF THE CHAIN.
Claim 2
Dependent Claim
103 words
IN COMBINATION WITH A CONE PULLEY HAVING OPPOSED SMOOTH LUBRICATED SURFACES, A LINK CHAIN COMPRISING, IN COMBINATION, A PLURALITY OF CHAIN LINKS, EACH LINK HAVING TRANSVERSE OPENINGS THERETHROUGH ALIGNED WITH OPENINGS IN ADJACENT LINKS, PIN MEANS PASSING THROUGH SAID OPENINGS, EACH LINK HAVING A PLURALITY OF PRESSURE MEMBERS DISPOSED ONE AFTER THE OTHER IN THE LONGITUDINAL DIRECTION OF THE CHAIN EXTENDING FROM EACH SIDE OF SUCH LINK HAVING OUTER CONTACT SURFACES HAVING SPACES THEREBETWEEN ENGAGING THE OPPOSED SURFACES OF THE CONE PULLEY, AND MEANS MOUNTING THE PIN MEANS AND PRESSURE MEMBERS FOR MOVEMENT ONE WITH RESPECT TO THE OTHER TRANSVERSELY OF THE CHAIN.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |