US4231135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible and sewable hinge
Assignee: Individual
•
Filing: 1979-04-30
•
Granted: 1980-11-04
•
Expires: 1999-04-30
Abstract
Abstract A hinge with two elongated flexible flange portions which can be fastened to an article by sewing or stapling. Each flange portion includes a plurality of integral aligned knuckles which engageably cooperate with the knuckles in the other whereby a pin can be passed through the knuckles of each flange portion forming an elongated hinge.
Inventors
- 👤 Raymond Fradin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:20
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/10; A47C31/11; A47C27/00; A47C27/001; A47C7/00; A47C7/02; A47C7/021; A47C7/36; A47C7/40; A47C7/42; A47C7/425; E; E05; E05D; E05D7/00; E05D7/009; E05D9/00; Y; Y10; Y10S; Y10S16/00; Y10S16/40
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
147 words
A flexible and sewable hinge comprising: a pair of elongated generally flat flanges of a resilient, flexible and pliable material, an aligned series of evenly spaced tubular cylindrical knuckles formed integrally with one elongated edge of each said flange with the spacing of the knuckles in the second flange to be inserted into the spaces between the knuckles in the first flange whereby upon such insertion, the tubular portion of all of the knuckles in both of said flanges are in an aligned relationship, a flexible and pliable hinge pin with a tubular cross section and sized to be inserted through the tubular portion of all of said knuckles of both flanges when they are in said aligned relationship, means for retaining said pin in the aforestated position, and an elongated rod sized to be slideably inserted substantially through the entire tubular center of said hinge pin.
Claim 2
Dependent Claim
147 words
A flexible and sewable hinge comprising: a pair of elongated generally flat flanges of a resilient, flexible and pliable material, an aligned series of evenly spaced tubular cylindrical knuckles formed integrally with one elongated edge of each said flange with the spacing of the knuckles in the second flange to be inserted into the spaces between the knuckles in the first flange whereby upon such insertion, the tubular portion of all of the knuckles in both of said flanges are in an aligned relationship, a flexible and pliable hinge pin with a tubular cross section and sized to be inserted through the tubular portion of all of said knuckles of both flanges when they are in said aligned relationship, means for retaining said pin in the aforestated position, and an elongated rod sized to be slideably inserted substantially through the entire tubular center of said hinge pin.
Claim 3
Dependent Claim
15 words
The apparatus as set forth in claim 1 wherein said flanges are a plastic material.
Claim 4
Dependent Claim
33 words
The apparatus as set forth in claim 1 wherein said flanges are thin vinyl plastic of which the said flat portion thereof is readily penetratable by the needle from a conventional sewing machine.
Claim 5
Dependent Claim
16 words
The apparatus as set forth in claim 3 wherein said hinge pin is a plastic material.
Claim 6
Dependent Claim
18 words
The apparatus as set forth in claim 1 wherein said elongated rod is a flexible, pliable plastic material.
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) | 1983-11-04 | 1984-05-05 | 1984-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-04 | 1988-05-05 | 1988-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-04 | 1992-05-05 | 1992-11-04 | $7700.00 | Window Closed / Lapsed |