US3119088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wiper assembly for a multiturn potentiometer
Assignee: ANALOGUE CONTROLS Inc
•
Filing: 1962-11-14
•
Granted: 1964-01-21
•
Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 Michel J Fliegler
- 👤 Harold C Pasini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:13
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A MULTITURN POTENTIOMETER FOR PROVIDING A VARIABLE RESISTANCE COMPRISING, AN INSULATED CORE, A RESISTANCE ELEMENT WOUND OVER SAID CORE IN A HELICAL PATTERN, AN INSULATED GUIDE HELIX WOUND ALONG ADJACENT TURNS OF SAID RESISTANCE ELEMENT, THE ADJACENT TURNS OF SAID GUIDE HELIX FORMING A HELICAL GROOVE, THE CYLINDER DEFINED BY THE OUTERMOST PERIPHERY OF SAID GUIDE HELIX HAVING A DIAMETER LARGER THAN THAT OF THE CYLINDER DEFINED BY THE OUTERMOST PERIPHERY OF SAID RESISTANCE ELEMENT, A WIPER ASSEMBLY, MOVABLE MEANS FOR IMPARTING HELICAL MOTION TO SAID WIPER ASSEMBLY TO PROVIDE THE VARIABLE RESISTANCE, A WIPER CONTACT CARRIED BY SAID ASSEMBLY AND HAVING A PORTION THEREOF EXTENDING INTO SAID HELICAL GROOVE FOR SLIDEABLY CONTACTING SAID RESISTANCE ELEMENT, AND RESILIENT GUIDE MEANS CARRIED BY SAID WIPER ASSEMBLY AND HAVING AT LEAST ONE CONESHAPED PROJECTION EXTENDING INTO SAID HELICAL GROOVE, SAID RESILIENT MEANS PROVIDING A SPRING FORCE FOR HOLDING SAID CONE-SHAPED PROJECTION IN SAID HELICAL GROOVE, SAID CONESHAPED PROJECTION SLIDEABLY ENGAGING THE TURNS OF SAID GUIDE HELIX TO MAINTAIN A GAP BETWEEN THE LOWER END OF SAID PROJECTION AND SAID RESISTANCE ELEMENT, MOVEMENT OF SAID MOVABLE MEANS GUIDABLY DRIVING SAID WIPER ASSEMBLY HELICALLY ALONG SAID RESISTANCE ELEMENT.
Claim 2
Dependent Claim
194 words
A MULTITURN POTENTIOMETER FOR PROVIDING A VARIABLE RESISTANCE COMPRISING, AN INSULATED CORE, A RESISTANCE ELEMENT WOUND OVER SAID CORE IN A HELICAL PATTERN, AN INSULATED GUIDE HELIX WOUND ALONG ADJACENT TURNS OF SAID RESISTANCE ELEMENT, THE ADJACENT TURNS OF SAID GUIDE HELIX FORMING A HELICAL GROOVE, THE CYLINDER DEFINED BY THE OUTERMOST PERIPHERY OF SAID GUIDE HELIX HAVING A DIAMETER LARGER THAN THAT OF THE CYLINDER DEFINED BY THE OUTERMOST PERIPHERY OF SAID RESISTANCE ELEMENT, A WIPER ASSEMBLY, MOVABLE MEANS FOR IMPARTING HELICAL MOTION TO SAID WIPER ASSEMBLY TO PROVIDE THE VARIABLE RESISTANCE, A WIPER CONTACT CARRIED BY SAID ASSEMBLY AND HAVING A PORTION THEREOF EXTENDING INTO SAID HELICAL GROOVE FOR SLIDEABLY CONTACTING SAID RESISTANCE ELEMENT, AND RESILIENT GUIDE MEANS CARRIED BY SAID WIPER ASSEMBLY AND HAVING AT LEAST ONE CONESHAPED PROJECTION EXTENDING INTO SAID HELICAL GROOVE, SAID RESILIENT MEANS PROVIDING A SPRING FORCE FOR HOLDING SAID CONE-SHAPED PROJECTION IN SAID HELICAL GROOVE, SAID CONESHAPED PROJECTION SLIDEABLY ENGAGING THE TURNS OF SAID GUIDE HELIX TO MAINTAIN A GAP BETWEEN THE LOWER END OF SAID PROJECTION AND SAID RESISTANCE ELEMENT, MOVEMENT OF SAID MOVABLE MEANS GUIDABLY DRIVING SAID WIPER ASSEMBLY HELICALLY ALONG SAID RESISTANCE ELEMENT.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |