US3221805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking hinge
Assignee: PENBERTHY LUMBER CO
•
Filing: 1963-07-22
•
Granted: 1965-12-07
•
Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Miller Wellington Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:37
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/26; F; F16; F16C; F16C11/00; F16C11/04; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A SELF-LOCKING HINGE ASSEMBLY FOR A PAIR OF HINGEDLY CONNECTIBLE MEMBERS, THE COMBINATION OF: (A) TWO SPACED HINGES EACH INCLUDING HINGE ELEMENTS RESPECTIVELY CONNECTIBLE TO THE HINGEDLY CONNECTIBLE MEMBERS; (B) EACH OF SAID HINGES INCLUDING A HINGE PIN PIVOTALLY INTERCONNECTING SAID HINGE ELEMENTS THEREOF; (C) SAID HINGE PINS NORMALLY BEING AXIALLY ALIGNED TO PROVIDE SAID HINGES WITH A COMMON HINGE AXIS ABOUT WHICH SAID HINGE ELEMENTS OF SAID HINGES MAY PIVOT BETWEEN OPEN AND CLOSED POSITIONS; (D) ONE OF SAID HINGES INCLUDING BEARING ELEMENTS RESPECTIVELY CONNECTED TO SAID HINGE ELEMENTS THEREOF; (E) SAID BEARING ELEMENTS OF SAID ONE HINGE BEING AXIALLY ALIGNED, WHEN SAID HINGE ELEMENTS OF SAID ONE HINGE ARE IN THEIR CLOSED POSITIONS, TO PROVIDE A LOCKING AXIS WHICH IS PERPENDICULAR TO SAID HINGE AXIS AND ABOUT WHICH SAID ONE HINGE IS PIVOTABLE TO MISALIGN SAID HINGE PINS; (F) THEREBY PREVENTING RELATIVE PIVOTAL MOVEMENT OF THE HINGEDLY CONNECTIBLE MEMBER WHEN THEY ARE CONNECTED TO SAID HINGES; AND (G) LOCKING MEANS FOR PIVOTING SAID ONE HINGE ABOUT SAID LOCKING AXIS INTO A POSITION TO MISALIGN SAID HINGE PINS.
Claim 2
Dependent Claim
180 words
IN A SELF-LOCKING HINGE ASSEMBLY FOR A PAIR OF HINGEDLY CONNECTIBLE MEMBERS, THE COMBINATION OF: (A) TWO SPACED HINGES EACH INCLUDING HINGE ELEMENTS RESPECTIVELY CONNECTIBLE TO THE HINGEDLY CONNECTIBLE MEMBERS; (B) EACH OF SAID HINGES INCLUDING A HINGE PIN PIVOTALLY INTERCONNECTING SAID HINGE ELEMENTS THEREOF; (C) SAID HINGE PINS NORMALLY BEING AXIALLY ALIGNED TO PROVIDE SAID HINGES WITH A COMMON HINGE AXIS ABOUT WHICH SAID HINGE ELEMENTS OF SAID HINGES MAY PIVOT BETWEEN OPEN AND CLOSED POSITIONS; (D) ONE OF SAID HINGES INCLUDING BEARING ELEMENTS RESPECTIVELY CONNECTED TO SAID HINGE ELEMENTS THEREOF; (E) SAID BEARING ELEMENTS OF SAID ONE HINGE BEING AXIALLY ALIGNED, WHEN SAID HINGE ELEMENTS OF SAID ONE HINGE ARE IN THEIR CLOSED POSITIONS, TO PROVIDE A LOCKING AXIS WHICH IS PERPENDICULAR TO SAID HINGE AXIS AND ABOUT WHICH SAID ONE HINGE IS PIVOTABLE TO MISALIGN SAID HINGE PINS; (F) THEREBY PREVENTING RELATIVE PIVOTAL MOVEMENT OF THE HINGEDLY CONNECTIBLE MEMBER WHEN THEY ARE CONNECTED TO SAID HINGES; AND (G) LOCKING MEANS FOR PIVOTING SAID ONE HINGE ABOUT SAID LOCKING AXIS INTO A POSITION TO MISALIGN SAID HINGE PINS.
References Cited (Backward Citations)
US142957A
Cited
US2178908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |