Clamping heat sink
Abstract
Abstract A CLIP-ON HEAT SINK FOR USE WITH THERMO-PAD TYPE TRANSISTORS IS MADE IN THE FORM OF A UNITARY PIECE OF HEATCONDUCTIVE, BLACK-ANODIZED SPRING ALUMINUM FOLDED ON ITSELF APPROXIMATELY AT ITS CENTER TO PROVIDE AN OPENING WHICH FITS OVER THE TRANSISTOR AND TIGHTLY ENGAGES THE TRANSISTOR IN HEAT CONDUCTIVE RELATIONSHIP. THE PORTIONS OF THE SPRING MATERIAL EXTENDING AWAY FROM THE BIGHT FORMED BY THE FOLD CONVERGE TO FORM CLAMPING JAWS, WITH THE MATERIAL AT THE ENDS OF THE JAWS BEING BENT BACK TO EXTEND IN SUBSTANTIALLY PARALLEL PLANES ALONG EACH OF THE CONVERGING PORTIONS BEYOND THE BIGHT FORMED BY THE FOLD AT THE CENTER OF THE SPRING TO PROVIDE A PAIR OF GRIPPING EXTENSIONS WHICH CAN BE RELATIVELY MOVED TOWARD AND AWAY FROM ONE ANOTHER TO SPREAD THE JAWS APART TO ENABLE PLACEMENT OF THE HEAT SINK CLIP OVER THE TRANSISTOR.
Inventors
- 👤 Anthony T Monaco
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) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |