US3141075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical snap-action switch
Assignee: Cherry Corp
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Filing: 1963-03-01
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Granted: 1964-07-14
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Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Arnold A Brevick
- 👤 Jr Walter L Cherry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:59
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/28; H01H13/12; H01H13/14; H01H13/18; H01H13/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
347 words
A SNAP-ACTION SWITCH COMPRISING, IN COMBINATION, (A) A HOLLOW HOUSING HAVING AN INTER-LOCKING CASE AND COVER, (B) AN INTEGRAL TERMINAL AND PIVOT BRACKET INCLUDING AS A PRE-ASSEMBLED UNIT A PIVOTAL SWITCH BLADE AND AN OVERCENTERING MECHANISM, (C) SAID BRACKET HAVING A PAIR OF SPACED APART HORIZONTALLY EXTENDING SUPPORTING ARMS, (D) SAID ARMS TERMINATING AT ONE END INTO AN ELONGATED TERMINAL HAVING A FREE END ADAPTED TO BE PROJECTED OUT OF SAID HOUSING, (E) A LUG STRUCK FROM SAID BRACKET FROM BETWEEN SAID ARMS AND EXTENDING VERTICALLY THEREFROM IN SUBSTANTIALLY THE SAME LONGITUDINAL PLANE OF SAID TERMINAL, (F) SAID ARMS PROVIDED AT THEIR OPPOSITE ENDS WITH ANGULARLY DISPOSED PIVOT POSTS EXTENDING IN A SPACED PARALLEL RELATION WITH RESPECT TO EACH OTHER AND SAID LUG, (G) SAID POSTS HAVING THEIR FREE ENDS CONNECTED TOGETHER BY A TRANSVERSELY EXTENDING CROSS MEMBER, (H) A PIVOTAL SWITCH BLADE HAVING PIVOTAL CONNECTION WITH ONE SIDE OF SAID POSTS ALONG A LINE EXTENDING BENEATH SAID CROSS MEMBER AND BELOW THE FREE END OF SAID LUG, (I) SAID OVERCENTERING MECHANISM INCLUDING A COIL SPRING HAVING ONE END CONNECTED TO THE FREE END OF SAID LUG AND ITS OPPOSITE END CONNECTED TO SAID BLADE, (J) SAID SPRING HAVING ITS COILS POSITIONED INTERMEDIATE SAID LUG AND SAID PIVOT POSTS AND HAVING AN ELONGATED NECK PORTION EXTENDING BETWEEN SAID POSTS BENEATH SAID CROSS MEMBER AND UNDER A PORTION OF SAID BLADE SO THAT SAID SPRING WILL LIE BETWEEN SAID ARMS OF SAID BRACKET IN AN ELEVATED HORIZONTAL PLANE WITH RESPECT TO THE NORMAL PLANE OF SAID BLADE SO AS TO OVERCENTER SAID BLADE INTO A FIRST CONTACT POSITION, (K) A SWITCH ACTUATOR MOVABLE THROUGH SAID HOLLOW HOUSING IN A PLANE TRANSVERSELY WITH RESPECT TO SAID SPRING AND ENGAGEABLE WITH THE COILS OF SAID SPRING AT A POINT BETWEEN SAID PIVOT POSTS AND SAID LUG AND ADAPTED TO MOVE THE COILS OF SAID SPRING BETWEEN SAID ARMS INTO A HORIZONTAL PLANE BENEATH THE POINT OF PIVOTAL CONNECTION BETWEEN SAID BLADE AND SAID POSTS SO AS TO CAUSE SAID BLADE TO MOVE WITH A SNAP-ACTION INTO A SECOND CONTACT POSITION.
Claim 2
Dependent Claim
347 words
A SNAP-ACTION SWITCH COMPRISING, IN COMBINATION, (A) A HOLLOW HOUSING HAVING AN INTER-LOCKING CASE AND COVER, (B) AN INTEGRAL TERMINAL AND PIVOT BRACKET INCLUDING AS A PRE-ASSEMBLED UNIT A PIVOTAL SWITCH BLADE AND AN OVERCENTERING MECHANISM, (C) SAID BRACKET HAVING A PAIR OF SPACED APART HORIZONTALLY EXTENDING SUPPORTING ARMS, (D) SAID ARMS TERMINATING AT ONE END INTO AN ELONGATED TERMINAL HAVING A FREE END ADAPTED TO BE PROJECTED OUT OF SAID HOUSING, (E) A LUG STRUCK FROM SAID BRACKET FROM BETWEEN SAID ARMS AND EXTENDING VERTICALLY THEREFROM IN SUBSTANTIALLY THE SAME LONGITUDINAL PLANE OF SAID TERMINAL, (F) SAID ARMS PROVIDED AT THEIR OPPOSITE ENDS WITH ANGULARLY DISPOSED PIVOT POSTS EXTENDING IN A SPACED PARALLEL RELATION WITH RESPECT TO EACH OTHER AND SAID LUG, (G) SAID POSTS HAVING THEIR FREE ENDS CONNECTED TOGETHER BY A TRANSVERSELY EXTENDING CROSS MEMBER, (H) A PIVOTAL SWITCH BLADE HAVING PIVOTAL CONNECTION WITH ONE SIDE OF SAID POSTS ALONG A LINE EXTENDING BENEATH SAID CROSS MEMBER AND BELOW THE FREE END OF SAID LUG, (I) SAID OVERCENTERING MECHANISM INCLUDING A COIL SPRING HAVING ONE END CONNECTED TO THE FREE END OF SAID LUG AND ITS OPPOSITE END CONNECTED TO SAID BLADE, (J) SAID SPRING HAVING ITS COILS POSITIONED INTERMEDIATE SAID LUG AND SAID PIVOT POSTS AND HAVING AN ELONGATED NECK PORTION EXTENDING BETWEEN SAID POSTS BENEATH SAID CROSS MEMBER AND UNDER A PORTION OF SAID BLADE SO THAT SAID SPRING WILL LIE BETWEEN SAID ARMS OF SAID BRACKET IN AN ELEVATED HORIZONTAL PLANE WITH RESPECT TO THE NORMAL PLANE OF SAID BLADE SO AS TO OVERCENTER SAID BLADE INTO A FIRST CONTACT POSITION, (K) A SWITCH ACTUATOR MOVABLE THROUGH SAID HOLLOW HOUSING IN A PLANE TRANSVERSELY WITH RESPECT TO SAID SPRING AND ENGAGEABLE WITH THE COILS OF SAID SPRING AT A POINT BETWEEN SAID PIVOT POSTS AND SAID LUG AND ADAPTED TO MOVE THE COILS OF SAID SPRING BETWEEN SAID ARMS INTO A HORIZONTAL PLANE BENEATH THE POINT OF PIVOTAL CONNECTION BETWEEN SAID BLADE AND SAID POSTS SO AS TO CAUSE SAID BLADE TO MOVE WITH A SNAP-ACTION INTO A SECOND CONTACT POSITION.
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |