US4954377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load bearing connective damper
Assignee: United States Department of the Navy
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Filing: 1988-11-22
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Granted: 1990-09-04
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Expires: 2008-11-22
Abstract
Abstract A load bearing connective damper for service in tensile, compression, and torsion as a shock and vibration isolation mounting device. Dampers are constructed using a multidimensionally braided textile shape and a viscoelastic material disposed in the interstrand spaces of the textile shape.
Inventors
- 👤 Eugene C. Fischer
- 👤 Roger M. Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:45
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/371; F16F1/366; Y; Y10; Y10S; Y10S428/00; Y10S428/902; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1362; Y10T428/1386; Y10T428/139; Y10T428/24; Y10T428/24058; Y10T428/24124; Y10T428/24273; Y10T428/24322; Y10T428/24628; Y10T428/24636; Y10T428/24777; Y10T428/24785; Y10T428/249921; Y10T428/249922; Y10T428/30
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
38 words
A load bearing connective damper, comprising: a multidimensionally braided textile shape having a multiplicity of strands forming a multiplicity of interstrand spaces; and a viscoelastic material disposed in a contiguous relationship with said strands and said interstrand spaces.
Claim 2
Dependent Claim
38 words
A load bearing connective damper, comprising: a multidimensionally braided textile shape having a multiplicity of strands forming a multiplicity of interstrand spaces; and a viscoelastic material disposed in a contiguous relationship with said strands and said interstrand spaces.
Claim 3
Dependent Claim
21 words
A load bearing connective damper as claimed in claim 1 wherein said interstrand spaces are substantially filled with said viscoelastic material.
Claim 4
Dependent Claim
23 words
A load bearing connective damper as claimed in claim 2 wherein said interstrand spaces collectively form an interstrand volume bonded to said strands.
Claim 5
Dependent Claim
20 words
A load bearing connective damper as claimed in claim 3 wherein said interstrand volume is chemically bonded to said strands.
Claim 6
Dependent Claim
20 words
A load bearing connective damper as claimed in claim 3 wherein said interstrand volume is mechanically bonded to said strands.
Claim 7
Dependent Claim
19 words
A load bearing connective damper as claimed in claim 1 further comprising an outer coating of said viscoelastic material.
Claim 8
Dependent Claim
21 words
A load bearing connective damper as claimed in claim 1 wherein said braided textile shape has at least one internal cavity.
Claim 9
Dependent Claim
19 words
A load bearing connective damper as claimed in claim 1 further comprising an exterior form of said viscoelastic material.
Claim 10
Dependent Claim
23 words
A load bearing connective damper as claimed in claim 1 wherein a multiplicity of said strands have a surrounding layer of viscoelastic material.
Claim 11
Dependent Claim
49 words
A load bearing connective damper, comprising: a multidimensionally braided textile shaped having a multiplicity of strands forming a multiplicity of interstrand spaces; and a viscoelastic material disposed in a contiguous relationship with said strands and said interstrand spaces; and, at least one mounting flange affixedly attached to said shape.
Claim 12
Dependent Claim
49 words
A load bearing connective damper, comprising: a multidimensionally braided textile shaped having a multiplicity of strands forming a multiplicity of interstrand spaces; and a viscoelastic material disposed in a contiguous relationship with said strands and said interstrand spaces; and, at least one mounting flange affixedly attached to said shape.
Claim 13
Dependent Claim
22 words
A load bearing connective damper as claimed in claim 10 wherein said at least one mounting flange is affixedly attached by clamping.
Claim 14
Dependent Claim
23 words
A load bearing connective damper as claimed in claim 10 wherein said at least one mounting flange is affixedly attached by adhesive bonding.
Claim 15
Dependent Claim
28 words
A load bearing connective damper as claimed in claim 10 wherein said at least one mounting flange is affixedly attached to loops formed in said braided textile shaped.
Claim 16
Dependent Claim
16 words
A load bearing connective damper as claimed in claim 13 wherein said loops are multidimensionally braided.
Claim 17
Dependent Claim
24 words
A load bearing connective damper as claimed in claim 10 wherein said viscoelastic material further covers at least a portion of said mounting flange.
Claim 18
Dependent Claim
32 words
A load bearing connective damper as claimed in claim 10 wherein said at least one mounting flange slidingly receives said multidimensionally textile shape along a non circular surface of said textile shape.
Claim 19
Dependent Claim
18 words
A load bearing damper as claimed in claim 16 further comprising an outer coating of said viscoelastic material.
Claim 20
Dependent Claim
19 words
A load bearing connective damper as claimed in claim 16 further comprising an outer shell of said viscoelastic material.
Claim 21
Dependent Claim
30 words
A process for making a load bearing connective damper, comprising: preparing a multidimensionally braided textile shape; impregnating said shape with an uncured highly viscoelastic material; and, curing said viscoelastic material.
Claim 22
Dependent Claim
30 words
A process for making a load bearing connective damper, comprising: preparing a multidimensionally braided textile shape; impregnating said shape with an uncured highly viscoelastic material; and, curing said viscoelastic material.
Claim 23
Dependent Claim
36 words
A process for making a load bearing connective damper, comprising: coating a plurality of strands with an uncured highly viscoelastic material; forming a multidimensionally braided textile shaped using said coated strands; and, curing said viscoelastic material.
Claim 24
Dependent Claim
36 words
A process for making a load bearing connective damper, comprising: coating a plurality of strands with an uncured highly viscoelastic material; forming a multidimensionally braided textile shaped using said coated strands; and, curing said viscoelastic material.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-09-03 | 1994-03-05 | 1994-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-03 | 1998-03-05 | 1998-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-09-03 | 2002-03-05 | 2002-09-04 | $7700.00 | Window Closed / Lapsed |