US3101622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced control cam for a driven vacuum variable capacitor
Assignee: Collins Radio Co
•
Filing: 1962-01-15
•
Granted: 1963-08-27
•
Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Grondahl
- 👤 Frederick W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:11
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/08; F15; F15B; F15B7/00; F15B7/06; F15B7/08; F24; F24F; F24F7/00; F24F7/007; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312; Y10T74/18568; Y10T74/188; Y10T74/21; Y10T74/2101
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
IN A DRIVE SYSTEM FOR SETTING A DEVICE HAVING INPUT LINKAGE WORKING AGAINST UNIDIRECTIONAL NONLINEAR BIASING FORCE CHARACTERISTICS IMPOSED THROUGHOUT THE RANGE OF OPERATIONAL SETTINGS BY THE DEVICE; A CYLINDRICAL CAM MEMBER HAVING A FIRST CAM CONTOUR AND A SECOND CAM CONTOUR, A FIRST CAM RIDER AND A SECOND CAM RIDER FOR FOLLOWING SAID FIRST AND SECOND CAM CONTOURS, RESPECTIVELY; A GUIDE MEMBER RIGIDLY MOUNTED RELATIVE TO SAID DEVICE AND HAVING MEANS FOR GUIDING THE MOTION OF SAID FIRST AND SECOND CAM RIDERS AS THEY ARE DRIVEN BY SAID CAM MEMBER, SAID FIRST CAM RIDER BEING CONNECTED TO THE INPUT LINKAGE OF SAID DEVICE FOR MOVEMENT OF SAID CAM MEMBER TO CHANGE THE SETTING OF SAID DEVICE AND WITH THE BIASING FORCE OF SAID DEVICE BEING EXERTED THROUGH SAID FIRST CAM RIDER AGAINST SAID FIRST CAM CONTOUR; RESILIENT MEANS FOR CONTINUALLY BIASING SAID SECOND CAM RIDER INTO
References Cited (Backward Citations)
US2440674A
Cited
US2679165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |