US3165608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic switching apparatus for reducing contact bounce
Assignee: International Business Machines Corp
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Filing: 1962-12-21
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Granted: 1965-01-12
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Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:53
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN ELECTRICAL SWITCHING DEVICE COMPRISING: A PAIR OF RESILIENT OVERLYING CONTACT ELEMENTS FORMED OF MAGNETIC MATERIAL AND CANTILEVER SUPPORTED AT THEIR REMOTE ENDS AND SEPARATED BY A GAP AT HTEIR ADJACENT ENDS; MEANS FOR PRODUCING A MAGNETIC FIELD FOR EFFECTING MOVEMENT OF SAID ELEMENTS TOWARD EACH OTHER; AND MEANS PROVIDING A STOP SURFACE ENGAGEABLE BY ONE OF SAID ELEMENTS UPON CREATION OF SAID MAGNETIC FIELD, SAID SURFACE BEING DISPOSED SO AS TO BE ENGAGED BY SAID ONE ELEMENT BEFORE SAID ELEMENT CONTACT EACH OTHER, WHEREBY AT THE INSTANT SAID ELEMENTS COME INTO MUTUAL CONTACT, BOTH SAID ELEMENT WILL BE MOVING IN SUBSTANTIALLY THE SAME DIRECTION BUT AT DIFFERENT VELOCITIES CAUSING THE ELEMENTS TO ESTABLISH ELECTRICAL CONNECTION SUBSTANTIALLY WITHOUT CONTACT BOUNCE.
Claim 2
Dependent Claim
120 words
AN ELECTRICAL SWITCHING DEVICE COMPRISING: A PAIR OF RESILIENT OVERLYING CONTACT ELEMENTS FORMED OF MAGNETIC MATERIAL AND CANTILEVER SUPPORTED AT THEIR REMOTE ENDS AND SEPARATED BY A GAP AT HTEIR ADJACENT ENDS; MEANS FOR PRODUCING A MAGNETIC FIELD FOR EFFECTING MOVEMENT OF SAID ELEMENTS TOWARD EACH OTHER; AND MEANS PROVIDING A STOP SURFACE ENGAGEABLE BY ONE OF SAID ELEMENTS UPON CREATION OF SAID MAGNETIC FIELD, SAID SURFACE BEING DISPOSED SO AS TO BE ENGAGED BY SAID ONE ELEMENT BEFORE SAID ELEMENT CONTACT EACH OTHER, WHEREBY AT THE INSTANT SAID ELEMENTS COME INTO MUTUAL CONTACT, BOTH SAID ELEMENT WILL BE MOVING IN SUBSTANTIALLY THE SAME DIRECTION BUT AT DIFFERENT VELOCITIES CAUSING THE ELEMENTS TO ESTABLISH ELECTRICAL CONNECTION SUBSTANTIALLY WITHOUT CONTACT BOUNCE.
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) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |