Patent US3281552A successfully refreshed from Google Patents.
US3281552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam operated rotary switch using leaf spring and overlying actuator
Assignee: Ark Les Electronic Products Corp
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Filing: 1965-10-12
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Granted: 1966-10-25
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Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 Tennant William Mckinley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:20
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/04; H01H5/18; H01H19/00; H01H19/54; H01H19/60; H01H19/63
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A MULTIPLE TERMINAL ROTARY SWITCH HAVING, IN COMBINATION, A BASE SUPPORT COMPRISING A CIRCULAR DISC OF ELECTRICALLLY NON-CONDUCTING MATERIAL HAVING A COMMOM TERMINAL CENTRALLY LOCATED ON THE ROTATIONAL AXIS OF SAID SWITCH, AND A PLURALITY OF INDIVIDUAL SWITCH TERMINALS SPACED RADIALLY OUTWARDLY FROM SAID CENTRALLY LOCATED COMMON TERMINAL, SWITCH CONTACT ARMS SUPPORTED ON SAID DISC EXTENDING OUTWAEDLY FROM SAID COMMON TERMINAL OVERLYING EACH OF INDIVIDUAL SWITCH TERMINALS, EACH SHIFTABLE BETWEEN CONTACT AND OUT-OF-CONTACT POSITIONS AND EACH SAID CONTACT ARM HAVING A BIAS TO ONE OF SAID POSITION, A SWITCH ACTUATOR ARM OVERLYING EACH OF SAID SWITCH CONTACT ARMS ARRANGED WHEN PRESSED TO ENGAGE AND TO PRESS THE UNDERLYING SWITCH ARM TO THE ALTERNATE POSITION AGAINST SAID BIAS, AND A DISC CAM OVERLYING SAID SWITCH ACTUATOR ARMS ROTATABLY ADJUSTABLE ABOUT SAID CENTRAL SWITCH TERMINAL AS AN AXIS AND PROVIDING ON THE UNDER FACE THEREOF CAM SURFACES FOR SELECTIVELY PRESSING AND RELEASING SAID SWITCH ACTUATORS TO CLOSE AND OPEN SAID RESPECTIVE SWITCH ARMS.
Claim 2
Dependent Claim
161 words
A MULTIPLE TERMINAL ROTARY SWITCH HAVING, IN COMBINATION, A BASE SUPPORT COMPRISING A CIRCULAR DISC OF ELECTRICALLLY NON-CONDUCTING MATERIAL HAVING A COMMOM TERMINAL CENTRALLY LOCATED ON THE ROTATIONAL AXIS OF SAID SWITCH, AND A PLURALITY OF INDIVIDUAL SWITCH TERMINALS SPACED RADIALLY OUTWARDLY FROM SAID CENTRALLY LOCATED COMMON TERMINAL, SWITCH CONTACT ARMS SUPPORTED ON SAID DISC EXTENDING OUTWAEDLY FROM SAID COMMON TERMINAL OVERLYING EACH OF INDIVIDUAL SWITCH TERMINALS, EACH SHIFTABLE BETWEEN CONTACT AND OUT-OF-CONTACT POSITIONS AND EACH SAID CONTACT ARM HAVING A BIAS TO ONE OF SAID POSITION, A SWITCH ACTUATOR ARM OVERLYING EACH OF SAID SWITCH CONTACT ARMS ARRANGED WHEN PRESSED TO ENGAGE AND TO PRESS THE UNDERLYING SWITCH ARM TO THE ALTERNATE POSITION AGAINST SAID BIAS, AND A DISC CAM OVERLYING SAID SWITCH ACTUATOR ARMS ROTATABLY ADJUSTABLE ABOUT SAID CENTRAL SWITCH TERMINAL AS AN AXIS AND PROVIDING ON THE UNDER FACE THEREOF CAM SURFACES FOR SELECTIVELY PRESSING AND RELEASING SAID SWITCH ACTUATORS TO CLOSE AND OPEN SAID RESPECTIVE SWITCH ARMS.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |