US3289877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary hinge
Assignee: Westhem Corp Ltd
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Filing: 1966-03-21
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Granted: 1966-12-06
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Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Wolf Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:33
CPC Classifications
D; D06; D06F; D06F55/00; B; B29; B29C; B29C45/00; B29C45/0081; E; E05; E05D; E05D1/00; E05D1/02; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05Y; E05Y2900/00; E05Y2900/30; E05Y2900/312
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
273 words
A UNITARY HINGE OF A THERMOPLASTIC MATERIAL COMPRISING; TWO PLATE MEMBERS; A FIRST FLEXIBLE PORTION FORMED INTEGRAL WITH SAID PLATE MEMBERS AND JOINING SAID PLATE MEMBERS TOGETHER FOR PIVOTING MOVEMENT WITH RESPECT TO EACH OTHER; A RESILIENT MEMBER FORMED INTEGRAL WITH ONE OF SAID PLATE MEMBERS AND RESILIENTLY MOVABLE WITH RESPECT THERETO; AND A CONNECTING ARM FORMED INTEGRAL WITH THE OTHER OF SAID PLATE MEMBERS AND WITH A PART OF SAID RESILIENT MEMBER REMOTE FROM SAID ONE PLATE MEMBER AND EXTENDING BETWEEN SAID PART OF SAID RESILIENT MEMBER AND SAID OTHER PLATE MEMBER, SAID CONNECTING ARM BEING PROVIDED WITH SECOND AND THIRD SPACED APART FLEXIBLE PORTIONS DISPOSED TO ENABLE SAID CONNECTING ARM TO PIVOT ABOUT SAID SECOND FLEXIBLE PORTION RELATIVE TO SAID OTHER PLATE MEMBER AND ABOUT SAID THIRD FLEXIBLE PORTION RELATIVE TO SAID RESILIENT MEMBER, SAID FIRST, SECOND AND THIRD FLEXIBLE PORTIONS CONSTITUTING FIRST, SECOND AND THIRD FLEXIBLE BEDING LINES RESPECTIVELY WITH SAID SECOND FLEXIBLE BEINGING LINE BEING POSITIONED CLOSER TO SAID OTHER PLATE MEMBER THAN TO SAID RESILIENT MEMBER AND SAID THIRD FLEXIBLE BENDING LINE BEING POSITIONED CLOSER TO SAID RESILIENT MEMBER THAN TO SAID OTHER PLATE MEMBER, SAID FIRST AND THIRD FLEXIBLE BENDING LINES BEING OFFSET WITH RESPECT TO EACH OTHER IN SUCH A MANNER THAT MOVEMENT IN ONE DIRECTION OF ONE OF SAID PLATE MEMBERS RELATIVE TO THE OTHER OF SAID PLATE MEMBERS FROM AT LEAST ONE POSITION TO ANOTHER POSITION THEREOF CAUSES PIVOTING OF SAID CONNECTING ARM ABOUT SAID SECOND AND THIRD FLEXIBLE BENDING LINES AND A DEFLECTION OF SAID RESILIENT MEMBER SUFFICIENT TO CREATE A RESTORING FORCE TENDING TO RETURN SAID PLATE MEMBERS TO SAID ONE POSITION.
Claim 2
Dependent Claim
273 words
A UNITARY HINGE OF A THERMOPLASTIC MATERIAL COMPRISING; TWO PLATE MEMBERS; A FIRST FLEXIBLE PORTION FORMED INTEGRAL WITH SAID PLATE MEMBERS AND JOINING SAID PLATE MEMBERS TOGETHER FOR PIVOTING MOVEMENT WITH RESPECT TO EACH OTHER; A RESILIENT MEMBER FORMED INTEGRAL WITH ONE OF SAID PLATE MEMBERS AND RESILIENTLY MOVABLE WITH RESPECT THERETO; AND A CONNECTING ARM FORMED INTEGRAL WITH THE OTHER OF SAID PLATE MEMBERS AND WITH A PART OF SAID RESILIENT MEMBER REMOTE FROM SAID ONE PLATE MEMBER AND EXTENDING BETWEEN SAID PART OF SAID RESILIENT MEMBER AND SAID OTHER PLATE MEMBER, SAID CONNECTING ARM BEING PROVIDED WITH SECOND AND THIRD SPACED APART FLEXIBLE PORTIONS DISPOSED TO ENABLE SAID CONNECTING ARM TO PIVOT ABOUT SAID SECOND FLEXIBLE PORTION RELATIVE TO SAID OTHER PLATE MEMBER AND ABOUT SAID THIRD FLEXIBLE PORTION RELATIVE TO SAID RESILIENT MEMBER, SAID FIRST, SECOND AND THIRD FLEXIBLE PORTIONS CONSTITUTING FIRST, SECOND AND THIRD FLEXIBLE BEDING LINES RESPECTIVELY WITH SAID SECOND FLEXIBLE BEINGING LINE BEING POSITIONED CLOSER TO SAID OTHER PLATE MEMBER THAN TO SAID RESILIENT MEMBER AND SAID THIRD FLEXIBLE BENDING LINE BEING POSITIONED CLOSER TO SAID RESILIENT MEMBER THAN TO SAID OTHER PLATE MEMBER, SAID FIRST AND THIRD FLEXIBLE BENDING LINES BEING OFFSET WITH RESPECT TO EACH OTHER IN SUCH A MANNER THAT MOVEMENT IN ONE DIRECTION OF ONE OF SAID PLATE MEMBERS RELATIVE TO THE OTHER OF SAID PLATE MEMBERS FROM AT LEAST ONE POSITION TO ANOTHER POSITION THEREOF CAUSES PIVOTING OF SAID CONNECTING ARM ABOUT SAID SECOND AND THIRD FLEXIBLE BENDING LINES AND A DEFLECTION OF SAID RESILIENT MEMBER SUFFICIENT TO CREATE A RESTORING FORCE TENDING TO RETURN SAID PLATE MEMBERS TO SAID ONE POSITION.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |