Switch unit especially toggle switch unit
Abstract
Abstract A SWITCH UNIT IN WHICH A PAIR OF CONTACT MEANS MOVABLE BETWEEN AN OPEN AND A CLOSED POSITION ARE ARRANGED IN A PAIR OF CHAMBERS FORMED IN A SOCKET, IN WHICH AN OPERATING MEMBER COOPERATES WITH ONE OF SAID CONTACT MEANS TO MOVE THE SAME BETWEEN THE OPEN AND THE CLOSED POSITION AND WITH THE OTHER CONTACT MEANS TO MOVE THE LATTER TO THE CLOSED POSITION, AND IN WHICH HEAT-RESPONSIVE MEANS COOPERATE WITH THE OTHER OF THE CONTACT MEANS TO MOVE THE LATTER FROM THE CLOSED TO THE OPEN POSITION WHEN OVERLOAD OCCURS IN THE CIRCUIT CONNECTED TO THE CONTACT MEANS. THE UNIT MAY ALSO INCLUDE A SIGNAL LAMP MOUNTED ON THE OPERATING MEMBER AND THE SIGNAL LAMP MAY BE CONNECTED TO THE CONTACT MEANS IN SUCH A MANNER THAT THE LAMP IS ENERGIZED EITHER WHEN THE OTHER CONTACT MEANS ARE IN THE OPEN OR WHEN THEY ARE IN THE CLOSED POSITION.
Inventors
- 👤 Siegfried Bar
Bibliographic Details
Claims Analysis
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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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |