US3083279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinged armature relays
Assignee: English Electric Co Ltd
•
Filing: 1960-05-16
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Granted: 1963-03-26
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Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Glass Jerzy George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:06
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/648
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A RELAY COMPRISING IN COMBINATION A LEVER SYSTEM DEFINED BY AN ARMATURE ASSEMBLY AND A HINGE SUPPORTING SAID ARMATURE ASSEMBLY FOR PIVOTAL MOVEMENT, ELECTROMAGNETIC MEANS FOR APPLYING A FORCE TO SAID ARMATURE ASSEMBLY AT A FIRST RADIUS FROM SAID HINGE TO PRODUCE A RELAY OPERATING TORQUE SO AS TO PIVOT THE ARMATURE ASSEMBLY BETWEEN AN ATTRACTED AND AN UNATTRACTED POSITION, SPRING CONTACT MEANS ACTUABLE BY PIVOTAL MOVEMENT OF SAID ARMATURE ASSEMBLY AND ARRANGED TO EXERT A FORCE ON SAID ARMATURE ASSEMBLY AT A SECOND RADIUS FROM SAID HINGE TO PRODUCE A TORQUE OPPOSING SAID RELAY OPERATING TORQUE, SAID LEVER SYSTEM AND CONTACT MEANS COMPRISING CO-OPERATING MEANS FOR PROGRESSIVELY INCREASING THE RATIO OF SAID SECOND TO SAID FIRST RADIUS AS THE ARMATURE ASSEMBLY APPROACHES THE ATTRACTED POSITION, WHEREBY TO MATCH THE RELAY OPERATING AND OPPOSING TORQUE CHARACTERISTICS.
Claim 2
Dependent Claim
136 words
A RELAY COMPRISING IN COMBINATION A LEVER SYSTEM DEFINED BY AN ARMATURE ASSEMBLY AND A HINGE SUPPORTING SAID ARMATURE ASSEMBLY FOR PIVOTAL MOVEMENT, ELECTROMAGNETIC MEANS FOR APPLYING A FORCE TO SAID ARMATURE ASSEMBLY AT A FIRST RADIUS FROM SAID HINGE TO PRODUCE A RELAY OPERATING TORQUE SO AS TO PIVOT THE ARMATURE ASSEMBLY BETWEEN AN ATTRACTED AND AN UNATTRACTED POSITION, SPRING CONTACT MEANS ACTUABLE BY PIVOTAL MOVEMENT OF SAID ARMATURE ASSEMBLY AND ARRANGED TO EXERT A FORCE ON SAID ARMATURE ASSEMBLY AT A SECOND RADIUS FROM SAID HINGE TO PRODUCE A TORQUE OPPOSING SAID RELAY OPERATING TORQUE, SAID LEVER SYSTEM AND CONTACT MEANS COMPRISING CO-OPERATING MEANS FOR PROGRESSIVELY INCREASING THE RATIO OF SAID SECOND TO SAID FIRST RADIUS AS THE ARMATURE ASSEMBLY APPROACHES THE ATTRACTED POSITION, WHEREBY TO MATCH THE RELAY OPERATING AND OPPOSING TORQUE CHARACTERISTICS.
References Cited (Backward Citations)
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US2390809A
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US2506234A
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US2574549A
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US2896132A
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |