US3292769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Varying speed chain mechanism
Assignee: Battelle Development Corp
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Filing: 1964-05-19
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Granted: 1966-12-20
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Zuppiger Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:42
CPC Classifications
B; B65; B65G; B65G23/00; B65G23/24; B65G23/30; B66; B66B; B66B21/00; B66B21/10; B66B21/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
VARYING SPEED MECHANISM COMPRISING, A CHAIN HAVING A SUCCESSION OF LINKS AND HINGE MEMBERS IN FIRST AND SECOND SERIES PIVOTALLY INTERCONNECTING RESPECTIVELY AND ALTERNATELY FIRST ADJACENT ENDS OF SAID LINKS AND SECOND ADJACENT ENDS OF SAID LINKS, A PAIR OF LONGITUDINALLY SPACED WHEELS MOUNTED TO TURN ABOUT THEIR AXES AND HAVING PORTIONS ENGAGING SAID CHAIN AT SAID FIRST ADJACENT ENDS OF SAID LINKS FOR SAID CHAIN TO MOVE WITH SAID WHEELS AND MOVABLY INTERCONNECT SAID WHEELS THROUGH SAID LINKS AND THEIR CORRESPONDING SAID HINGE MEMBERS, AND CIRCUITOUS GUIDE MEANS HAVING OPPOSED GUIDE SURFACES ENGAGING SAID CHAIN RESPECTIVELY AT SAID FIRST ADJACENT ENDS AND SAID ADJACENT ENDS OF SAID LINKS AND DISPOSED AT LEAST ALONG A PORTION OF SAID GUIDE MEANS INTERMEDIATE SAID WHEELS, AT VARYING DISTANCE APART TO CONSTRAIN SAID LINKS TO A ZIG-ZIG FOLDED RELATION TO EACH OTHER AND CONSTRAIN SAID CORRESPONDING HINGE MEMBERS THEREOF TO VARY IN DISTANCE APART AND THUS TRAVEL AT VARYING SPEED ALONG SAID INTERMEDIATE PORTION.
Claim 2
Dependent Claim
161 words
VARYING SPEED MECHANISM COMPRISING, A CHAIN HAVING A SUCCESSION OF LINKS AND HINGE MEMBERS IN FIRST AND SECOND SERIES PIVOTALLY INTERCONNECTING RESPECTIVELY AND ALTERNATELY FIRST ADJACENT ENDS OF SAID LINKS AND SECOND ADJACENT ENDS OF SAID LINKS, A PAIR OF LONGITUDINALLY SPACED WHEELS MOUNTED TO TURN ABOUT THEIR AXES AND HAVING PORTIONS ENGAGING SAID CHAIN AT SAID FIRST ADJACENT ENDS OF SAID LINKS FOR SAID CHAIN TO MOVE WITH SAID WHEELS AND MOVABLY INTERCONNECT SAID WHEELS THROUGH SAID LINKS AND THEIR CORRESPONDING SAID HINGE MEMBERS, AND CIRCUITOUS GUIDE MEANS HAVING OPPOSED GUIDE SURFACES ENGAGING SAID CHAIN RESPECTIVELY AT SAID FIRST ADJACENT ENDS AND SAID ADJACENT ENDS OF SAID LINKS AND DISPOSED AT LEAST ALONG A PORTION OF SAID GUIDE MEANS INTERMEDIATE SAID WHEELS, AT VARYING DISTANCE APART TO CONSTRAIN SAID LINKS TO A ZIG-ZIG FOLDED RELATION TO EACH OTHER AND CONSTRAIN SAID CORRESPONDING HINGE MEMBERS THEREOF TO VARY IN DISTANCE APART AND THUS TRAVEL AT VARYING SPEED ALONG SAID INTERMEDIATE PORTION.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |