US3210503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable contact spacing for differential switch
Assignee: General Electric Co
•
Filing: 1962-12-31
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Granted: 1965-10-05
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Wiley M Hummel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:26
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/60; H01H1/00; H01H1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SNAP ACTING SWITCH COMPRISING A HOUSING, A FIXED CONTACT DISPOSED IN SAID HOUSING, A MOVABLE CONTACT DISPOSED IN SAID HOUSING AND ARRANGED TO SNAP INTO AND OUT OF ENGAGEMENT WITH SAID FIXED CONTACT, A ROTATABLE LEVER SUPPORTED EXTERNALLY OF SAID HOUSING, A SLIDABLY ADJUSTABLE WEDGE MEMBER EXTENDING INTO SAID HOUSING AND MOVABLE BACK AND FORTH WITHIN SAID HOUSING BY SAID LEVER, SAID WEDGE MEMBER HAVING AN INCLINED SURFACE BEING WITHIN SAID HOUSING ON THE SIDE OF SAID MOVABLE CONTACT OPPOSITE TO SAID FIXED CONTACT, SAID INCLINED SURFACE BEING ARRANGED TO ENGAGE SAID MOVABLE CONTACT WHEN SAID MOVABLE CONTACT IS DISENGAGED FROM SAID FIXED CONTACT THEREBY TO ADJUST THE MODE OF OPERATION OF SAID SWITCH, AND RESILIENT MEANS ACTING UPON THE OUTER END OF SAID WEDGE MEMBER EXTERNALLY OF SAID HOUSING FOR EFFECTING FRICTIONAL ENGAGEMENT BETWEEN SAID WEDGE MEMBER AND SAID HOUSING WITHIN SAID HOUSING THEREBY TO MAINTAIN SAID MODE OF OPERATION OF SAID SWITCH.
Claim 2
Dependent Claim
155 words
A SNAP ACTING SWITCH COMPRISING A HOUSING, A FIXED CONTACT DISPOSED IN SAID HOUSING, A MOVABLE CONTACT DISPOSED IN SAID HOUSING AND ARRANGED TO SNAP INTO AND OUT OF ENGAGEMENT WITH SAID FIXED CONTACT, A ROTATABLE LEVER SUPPORTED EXTERNALLY OF SAID HOUSING, A SLIDABLY ADJUSTABLE WEDGE MEMBER EXTENDING INTO SAID HOUSING AND MOVABLE BACK AND FORTH WITHIN SAID HOUSING BY SAID LEVER, SAID WEDGE MEMBER HAVING AN INCLINED SURFACE BEING WITHIN SAID HOUSING ON THE SIDE OF SAID MOVABLE CONTACT OPPOSITE TO SAID FIXED CONTACT, SAID INCLINED SURFACE BEING ARRANGED TO ENGAGE SAID MOVABLE CONTACT WHEN SAID MOVABLE CONTACT IS DISENGAGED FROM SAID FIXED CONTACT THEREBY TO ADJUST THE MODE OF OPERATION OF SAID SWITCH, AND RESILIENT MEANS ACTING UPON THE OUTER END OF SAID WEDGE MEMBER EXTERNALLY OF SAID HOUSING FOR EFFECTING FRICTIONAL ENGAGEMENT BETWEEN SAID WEDGE MEMBER AND SAID HOUSING WITHIN SAID HOUSING THEREBY TO MAINTAIN SAID MODE OF OPERATION OF SAID SWITCH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |