US3117340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door hinge
Assignee: Individual
•
Filing: 1960-06-01
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Granted: 1964-01-14
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Expires: 1980-06-01
Abstract
No abstract record available.
Inventors
- 👤 Arboll Rolf Erling Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:23
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/04; E05F3/08; E05F1/00; E05F1/02; E05F1/04; E05F1/06; E05F1/061; E05F1/063; E05F15/00; E05F15/50; E05F15/53; E05F15/54; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A SELF-CLOSING DOOR HINGE COMPRISING UPPER AND LOWER HINGE MEMBERS HAVING ALIGNED SLEEVES FOR RECEIVING A PIVOT STUD, SAID SLEEVES HAVING ABUTTING CURVED HELICAL SURFACES, SO THAT THE UPPER HINGE MEMBER IS RAISED RELATIVE TO THE LOWER HINGE MEMBER WHEN IT IS ROTATED TO THE DOOR OPENING POSITION AND LOWERED WHEN IT IS ROTATED TO THE DOOR CLOSING POSITION, A TUBULAR PIVOT STUD MOUNTED IN THE SLEEVES OF THE HINGE MEMBERS WITH ITS LOWER END ATTACHED TO THE SLEEVE OF THE LOWER HINGE MEMBER AND ITS UPPER END PROJECTING ABOVE THE SLEEVE OF THE UPPER HINGE MEMBER, AND ELONGATED HELICAL SPRING LOCATED IN THE TUBULAR STUD, MEANS CONNECTING ONE END OF THE HELICAL SPRING AGAINST MOVEMENT RELATIVE TO THE SLEEVE OF THE LOWER HINGE MEMBER, SLEEVE-ENGAGING MEANS RESTING ON THE UPPER EDGE SURFACE OF THE SLEEVE OF THE UPPER HINGE MEMBER AND HELD AGAINST ROTATION THEREWITH BY THE TUBULAR PIVOT STUD, AND MEANS OPERATIVELY CONNECTING THE OTHER END OF THE HELICAL SPRING WITH SAID SLEEVE-ENGAGING MEANS AGAINST THE RISING MOVEMENT OF THE UPPER HINGE MEMBER CAUSED BY SAID ENGAGING HELICAL SURFACES WHEN THE UPPER HINGE MEMBER IS ROTATED IN THE DOOR OPENING DIRECTION RELATIVE TO THE LOWER HINGE MEMBER.
Claim 2
Dependent Claim
199 words
A SELF-CLOSING DOOR HINGE COMPRISING UPPER AND LOWER HINGE MEMBERS HAVING ALIGNED SLEEVES FOR RECEIVING A PIVOT STUD, SAID SLEEVES HAVING ABUTTING CURVED HELICAL SURFACES, SO THAT THE UPPER HINGE MEMBER IS RAISED RELATIVE TO THE LOWER HINGE MEMBER WHEN IT IS ROTATED TO THE DOOR OPENING POSITION AND LOWERED WHEN IT IS ROTATED TO THE DOOR CLOSING POSITION, A TUBULAR PIVOT STUD MOUNTED IN THE SLEEVES OF THE HINGE MEMBERS WITH ITS LOWER END ATTACHED TO THE SLEEVE OF THE LOWER HINGE MEMBER AND ITS UPPER END PROJECTING ABOVE THE SLEEVE OF THE UPPER HINGE MEMBER, AND ELONGATED HELICAL SPRING LOCATED IN THE TUBULAR STUD, MEANS CONNECTING ONE END OF THE HELICAL SPRING AGAINST MOVEMENT RELATIVE TO THE SLEEVE OF THE LOWER HINGE MEMBER, SLEEVE-ENGAGING MEANS RESTING ON THE UPPER EDGE SURFACE OF THE SLEEVE OF THE UPPER HINGE MEMBER AND HELD AGAINST ROTATION THEREWITH BY THE TUBULAR PIVOT STUD, AND MEANS OPERATIVELY CONNECTING THE OTHER END OF THE HELICAL SPRING WITH SAID SLEEVE-ENGAGING MEANS AGAINST THE RISING MOVEMENT OF THE UPPER HINGE MEMBER CAUSED BY SAID ENGAGING HELICAL SURFACES WHEN THE UPPER HINGE MEMBER IS ROTATED IN THE DOOR OPENING DIRECTION RELATIVE TO THE LOWER HINGE MEMBER.
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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |