US3312980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectilinear recorder
Assignee: Beckman Coulter Inc
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Filing: 1965-08-16
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Granted: 1967-04-04
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Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Erbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:30
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/24; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18112; Y10T74/18888; Y10T74/1892; Y10T74/18928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A LINKAGE MECHANISM FOR CONVERTING LIMITED ANGULAR MOTION OF A DRIVE SHAFT TO STRAIGHT LINE MOTION COMPRISING A BLOCK HAVING A GUIDE SLOT FOR RECEIVING A GUIDE PIN AND CONSTRAINING IT TO MOTION IN A STRAIGHT LINE WITHIN SAID SLOT, AN ARM HAVING ONE END FREE TO MOVE ALONG A SUBSTANTIALLY STRAIGHT LINE PATH IN RESPONSE TO ANGULAR MOTION OF SAID DRIVE SHAFT, AND HAVING THE OTHER END THEREOF CONNECTED TO SAID GUIDE PIN, A CONTROL LINK HAVING ONE END PIVOTALLY CONNECTED TO SAID ARM AND THE OTHER END MOUNTED TO PIVOT ABOUT A STATIONARY CONTROL PIN POSITIONED ON THE CENTER LINE OF SAID GUIDE SLOT AND BETWEEN SAID GUIDE BLOCK AND SAID STRAIGHT LINE PATH, A DRIVE CRANK CONNECTED TO SAID GUIDE SHAFT, SAID DRIVE SHAFT BEING MOUNTED TO ROTATE ABOUT A FIXED POINT ON THE CENTER LINE OF SAID GUIDE SLOT, SAID FIXED POINT BEING POSITIONED BETWEEN SAID GUIDE BLOCK AND SAID CONTROL PIN, AND A CONNECTION BETWEEN THE OUTER END OF SAID DRIVE CRANK AND SAID ARM FOR DRIVING SAID ARM, THEREBY CONVERTING LIMITED ANGULAR MOTION OF SAID DRIVE SHAFT TO SUBSTANTIALLY STRAIGHT LINE MOTION OF THE FREE END OF SAID ARM.
Claim 2
Dependent Claim
195 words
A LINKAGE MECHANISM FOR CONVERTING LIMITED ANGULAR MOTION OF A DRIVE SHAFT TO STRAIGHT LINE MOTION COMPRISING A BLOCK HAVING A GUIDE SLOT FOR RECEIVING A GUIDE PIN AND CONSTRAINING IT TO MOTION IN A STRAIGHT LINE WITHIN SAID SLOT, AN ARM HAVING ONE END FREE TO MOVE ALONG A SUBSTANTIALLY STRAIGHT LINE PATH IN RESPONSE TO ANGULAR MOTION OF SAID DRIVE SHAFT, AND HAVING THE OTHER END THEREOF CONNECTED TO SAID GUIDE PIN, A CONTROL LINK HAVING ONE END PIVOTALLY CONNECTED TO SAID ARM AND THE OTHER END MOUNTED TO PIVOT ABOUT A STATIONARY CONTROL PIN POSITIONED ON THE CENTER LINE OF SAID GUIDE SLOT AND BETWEEN SAID GUIDE BLOCK AND SAID STRAIGHT LINE PATH, A DRIVE CRANK CONNECTED TO SAID GUIDE SHAFT, SAID DRIVE SHAFT BEING MOUNTED TO ROTATE ABOUT A FIXED POINT ON THE CENTER LINE OF SAID GUIDE SLOT, SAID FIXED POINT BEING POSITIONED BETWEEN SAID GUIDE BLOCK AND SAID CONTROL PIN, AND A CONNECTION BETWEEN THE OUTER END OF SAID DRIVE CRANK AND SAID ARM FOR DRIVING SAID ARM, THEREBY CONVERTING LIMITED ANGULAR MOTION OF SAID DRIVE SHAFT TO SUBSTANTIALLY STRAIGHT LINE MOTION OF THE FREE END OF SAID ARM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |