US3096539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding door hinge assembly
Assignee: McKinney Manufacturing Co
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Filing: 1962-04-11
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Granted: 1963-07-09
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Expires: 1982-04-11
Abstract
No abstract record available.
Inventors
- 👤 Lloyd R Dickinson
- 👤 William V Vessalo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:12
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/26; E05D15/264; E05D15/266; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A FOLDING DOOR HINGE ASSEMBLY ADAPTED TO BE MOUNTED IN A DOORWAY, COMPRISING A VERTICAL PIVOT PIN ADAPTED TO PROJECT FROM A DOOR NEAR ONE EDGE ADJACENT ONE SIDE OF THE DOORWAY, A BEARING MEMBER PROVIDED WITH A HORIZONTAL SPRING FOR STRADDLING SAID PIN IN ENGAGEMENT THEREWITH, MEANS FOR RIGIDLY MOUNTING THE BEARING MEMBER IN THE DOORWAY WITH ITS OUTER END LOCATED AT SAID SIDE OF THE DOORWAY, SAID FORK EXTENDING TOWARD THE INNER END OF THE BEARING MEMBER AND HAVING SIDES DIVERGING TOWARD SAID INNER END, THE FORK SIDES HAVING INTERIOR OPPOSED SHOULDERS FACING THE NARROW END OF THE FORK AND DEFINING WITH ADJOINING INTERIOR SURFACES OF THE FORK A BEARING OPENING ROTATABLY RECEIVING THE PIVOT PIN IN A LOCATION SPACED FROM SAID NARROW END, AND SAID DIVERGING FORK SIDES BEING MOVABLE AWAY FROM EACH OTHER BY SAID PIN WHEN IT IS FORCED LATERALLY FROM SAID OPENING TOWARD SAID NARROW END, WHEREBY UPON RELEASE OF SAID LATERAL FORCE FROM THE PIN THE TENDENCY OF THE EXPANDED FORK TO CONTRACT WILL FORCE THE PIN BACK INTO SAID BEARING OPENING.
Claim 2
Dependent Claim
179 words
A FOLDING DOOR HINGE ASSEMBLY ADAPTED TO BE MOUNTED IN A DOORWAY, COMPRISING A VERTICAL PIVOT PIN ADAPTED TO PROJECT FROM A DOOR NEAR ONE EDGE ADJACENT ONE SIDE OF THE DOORWAY, A BEARING MEMBER PROVIDED WITH A HORIZONTAL SPRING FOR STRADDLING SAID PIN IN ENGAGEMENT THEREWITH, MEANS FOR RIGIDLY MOUNTING THE BEARING MEMBER IN THE DOORWAY WITH ITS OUTER END LOCATED AT SAID SIDE OF THE DOORWAY, SAID FORK EXTENDING TOWARD THE INNER END OF THE BEARING MEMBER AND HAVING SIDES DIVERGING TOWARD SAID INNER END, THE FORK SIDES HAVING INTERIOR OPPOSED SHOULDERS FACING THE NARROW END OF THE FORK AND DEFINING WITH ADJOINING INTERIOR SURFACES OF THE FORK A BEARING OPENING ROTATABLY RECEIVING THE PIVOT PIN IN A LOCATION SPACED FROM SAID NARROW END, AND SAID DIVERGING FORK SIDES BEING MOVABLE AWAY FROM EACH OTHER BY SAID PIN WHEN IT IS FORCED LATERALLY FROM SAID OPENING TOWARD SAID NARROW END, WHEREBY UPON RELEASE OF SAID LATERAL FORCE FROM THE PIN THE TENDENCY OF THE EXPANDED FORK TO CONTRACT WILL FORCE THE PIN BACK INTO SAID BEARING OPENING.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |