Double acting door hinge
Abstract
Abstract THIS DISCLOSURE RELATES TO A DOOR HINGE FOR A CABINET AND THE LIKE TO PERMIT FLUSH MOUNTING IF THE DOOR WITHIN THE CABINET AND TO PERMIT ROTATION OF THE DOOR ABOUT AN ANGLE OF 180* WITH RESPECT TO THE CABINET. ONE END OF THE HINGE IS CONCEALED WITHIN THE DOOR AND SUPPORTS THE DOOR THROUGH A HINGE PIN WHICH IS FIXED TO THE DOOR. AT THE HINGE PIN, THE HINGE EXTENDS AT AN ACUTE ANGLE AWAY FROM THE DOOR AND AWAY FROM THE A SLOT N THE DOOR THROUGH WHICH SLOT THE HINGE PROJECTS TO PERMIT ROTATION OF THE DOOR RELATIVE ON THE HINGE PIN THROUGH AB ANGLE GREATER THAN 90* THE HINGE IS SUPPORTED AT THE OTHER END THROUGH A SECOND HINGE PIN WHICH IS FIXED WITHIN THE CABINET FRAME. A VERTICAL ROD WITHIN THE FRAME TO ALL HINGES AT ONE SIDE OF THE DOOR SO THAT ALL HINGES MOVE IN UNISON.
Inventors
- 👤 Frederick F Merrill
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |