Patent US3242450A successfully refreshed from Google Patents.
US3242450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potentiometer
Assignee: Bourns Inc
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Filing: 1963-06-14
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Granted: 1966-03-22
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Marlan E Bourns
- 👤 Richard E Caddock
- 👤 Victor G Mathison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:56
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/14; Y; Y10; Y10S; Y10S338/00; Y10S338/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
AN ADJUSTABLE POTENTIOMETER COMPRSING: HOUSING MEANS PROVIDING AN ENCLOSED CHAMBER OF GENERALLY CIRCULAR PLAN FORM AND PROVIDING AN INWARDLY EXTENDING STUD PROVIDING A BEARING STRUCTURE DEFINING AN AXIS; GEARING JOURNALED IN SAID HOUSING AND INCLUDING A GEAR WHEEL HAVNG AN AXIS OF ROTATION COINCIDENT WITH SAID AXIS AND HAVING AN AXIAL RECESS ARRANGED TO RECEIVE SAID BEARING STRUCTURE SO THAT SAID GEAR WHEEL IS ROTATABLE ON SAID BEARING STRUCTURE ABOUT SAID AXIS, AND SAID GEARING INCLUDING DRIVING GEAR MEANS ENGAGED WITH SAID GEAR WHEEL TO DRIVE THE LATTER AND HAVING A PORTION ACCESSIBLE FROM THE EXTERIOR OF SAID HOUSING FOR RECEIVING DRIVING TORQUE, SAID GEAR WHEEL BEING PROVIDED WITH A STUB PROTUBERANT OPPOSITE SAID AXIAL RECESS AND COAXIAL THEREWITH; A ROTARY CLUTCH MEMBER IN SAID CHAMBER, SAID CLUTCH MEMBER HAVING A CENTRAL PORTION COMPLEMENTARY TO SAID STUB AND ROTATABLE THEREON AND FURTHER HAVING AN OUTER SURFCE ENGAGING SAID GEAR WHEEL TO BE FRICTIONALLY DRIVEN THEREBY, AND A CONTACT MEANS SUPPORTED BY SAID CLUTCH MEMBER AND ROTATABLE THEREWITH, SAID CONTACT MEANS COMPRISING A CONTACT ROTATABLE IN AN ARC ABOUT SAID AXIS OF ROTATION, AND TERMINAL MEANS FOR SAID CONTACT; AND A RESISTANCE ELEMENT IN SAID CHAMBER HAVING AN ARCUATE CONTACT ZONE EXPOSED FOR BRUSHING ENGAGEMENT BY SAID CONTACT AND ENGAGED BY THE LATTER, AND TERMINAL MEANS FOR SAID RESISTANCE ELEMENT.
Claim 2
Dependent Claim
219 words
AN ADJUSTABLE POTENTIOMETER COMPRSING: HOUSING MEANS PROVIDING AN ENCLOSED CHAMBER OF GENERALLY CIRCULAR PLAN FORM AND PROVIDING AN INWARDLY EXTENDING STUD PROVIDING A BEARING STRUCTURE DEFINING AN AXIS; GEARING JOURNALED IN SAID HOUSING AND INCLUDING A GEAR WHEEL HAVNG AN AXIS OF ROTATION COINCIDENT WITH SAID AXIS AND HAVING AN AXIAL RECESS ARRANGED TO RECEIVE SAID BEARING STRUCTURE SO THAT SAID GEAR WHEEL IS ROTATABLE ON SAID BEARING STRUCTURE ABOUT SAID AXIS, AND SAID GEARING INCLUDING DRIVING GEAR MEANS ENGAGED WITH SAID GEAR WHEEL TO DRIVE THE LATTER AND HAVING A PORTION ACCESSIBLE FROM THE EXTERIOR OF SAID HOUSING FOR RECEIVING DRIVING TORQUE, SAID GEAR WHEEL BEING PROVIDED WITH A STUB PROTUBERANT OPPOSITE SAID AXIAL RECESS AND COAXIAL THEREWITH; A ROTARY CLUTCH MEMBER IN SAID CHAMBER, SAID CLUTCH MEMBER HAVING A CENTRAL PORTION COMPLEMENTARY TO SAID STUB AND ROTATABLE THEREON AND FURTHER HAVING AN OUTER SURFCE ENGAGING SAID GEAR WHEEL TO BE FRICTIONALLY DRIVEN THEREBY, AND A CONTACT MEANS SUPPORTED BY SAID CLUTCH MEMBER AND ROTATABLE THEREWITH, SAID CONTACT MEANS COMPRISING A CONTACT ROTATABLE IN AN ARC ABOUT SAID AXIS OF ROTATION, AND TERMINAL MEANS FOR SAID CONTACT; AND A RESISTANCE ELEMENT IN SAID CHAMBER HAVING AN ARCUATE CONTACT ZONE EXPOSED FOR BRUSHING ENGAGEMENT BY SAID CONTACT AND ENGAGED BY THE LATTER, AND TERMINAL MEANS FOR 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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |