US4437724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat ribbon cable shield
Assignee: Unisys Corp
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Filing: 1982-02-01
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Granted: 1984-03-20
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Expires: 2002-02-01
Abstract
Abstract A cable shield assembly for use with flat ribbon cable which protects electronic equipment and circuitry from the effects of electrostatic discharge.
Inventors
- 👤 Lubomir J. Volka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:22
CPC Classifications
H; H05; H05F; H05F3/00; H05F3/02; H01; H01R; H01R12/00; H01R12/70; H01R12/77; H01R12/771; H01R12/775; H01R4/00; H01R4/58; H01R4/64
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
133 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, said shielding system comprising: connector means for connecting said flat ribbon cable; and an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides, one of the parallel sides attached to a side of said connector means by an attaching means, the outer surface of the leg connecting the two parallel sides of said U-shaped channel projecting below the surface of the bottom of said connector means.
Claim 2
Dependent Claim
133 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, said shielding system comprising: connector means for connecting said flat ribbon cable; and an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides, one of the parallel sides attached to a side of said connector means by an attaching means, the outer surface of the leg connecting the two parallel sides of said U-shaped channel projecting below the surface of the bottom of said connector means.
Claim 3
Dependent Claim
23 words
The shielding system in accordance with claim 1 wherein the means for attaching said clip to said connector means is double sided tape.
Claim 4
Dependent Claim
170 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, a section of said jacket adjacent to said folded back section of said shield layer folded back upon itself, the shape of the folded back sections of said shield layer and said jacket being generally U-shaped, said shielding system comprising: an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides, the sides of said clip having a width substantially equal to the width of said flat ribbon cable and a height substantially equal to the length of the folded back section of said shield layer; connector means for connecting said flat ribbon cable; and means for attaching said clip to said connector means.
Claim 5
Dependent Claim
170 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, a section of said jacket adjacent to said folded back section of said shield layer folded back upon itself, the shape of the folded back sections of said shield layer and said jacket being generally U-shaped, said shielding system comprising: an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides, the sides of said clip having a width substantially equal to the width of said flat ribbon cable and a height substantially equal to the length of the folded back section of said shield layer; connector means for connecting said flat ribbon cable; and means for attaching said clip to said connector means.
Claim 6
Dependent Claim
18 words
The shielding system in accordance with claim 3 wherein the inner surfaces of said U-shaped channel are smooth.
Claim 7
Dependent Claim
26 words
The flat ribbon cable shielding system in accordance with claim 1 or 3 wherein said shield layer covers the entire periphery of said flat ribbon cable.
Claim 8
Dependent Claim
62 words
The flat ribbon cable shielding system in accordance with claim 1 or 3 wherein: said shield layer covers the entire periphery of said flat ribbon cable; and an end portion of said jacket and said shield layer is cut open on both sides of the jacket and shield layers, respectively, the cuts extending in the longitudinal direction of said flat ribbon cable.
Claim 9
Dependent Claim
102 words
The flat ribbon cable shielding system in accordance with claim 6 wherein the folded back section of said shield layer includes the portion of the cut open end portion of said shield layer adjacent to the top or bottom surface of said flat ribbon cable; and the cut open section of said jacket adjacent to said folded back section of said shield layer is folded back upon itself, the shape of the fold of the shield layer following the shape of the fold of the jacket, the shape of the folded back section of the shield layer and jacket being substantially U-shaped.
Claim 10
Dependent Claim
59 words
The flat ribbon cable shielding system in accordance with claim 1 wherein: an end portion of said jacket is cut open on both sides of said jacket, the cuts extending in the longitudinal direction of said flat ribbon cable; and the section of said jacket adjacent to said folded back section of said shield layer is also folded back.
Claim 11
Dependent Claim
42 words
The flat ribbon cable shielding system in accordance with claim 8 wherein the folded back section of said jacket is folded back upon itself and the shape of the folded back sections of said shield layer and said jacket are generally U-shaped.
Claim 12
Dependent Claim
33 words
The flat ribbon cable shielding system in accordance with claim 8 or 3 wherein the width of said clip is substantially the same as the width of the folded back shield layer section.
Claim 13
Dependent Claim
113 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, said shielding system comprising: an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides; connector means for connecting said flat ribbon cable; and means for attaching said clip to said connector means, said means for attaching said clip to said connector means being double sided tape.
Claim 14
Dependent Claim
113 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, said shielding system comprising: an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides; connector means for connecting said flat ribbon cable; and means for attaching said clip to said connector means, said means for attaching said clip to said connector means being double sided tape.
Claim 15
Dependent Claim
65 words
The shielding system in accordance with claim 11 further including: an equipment enclosure means; connector joining means, mounted on said equipment enclosure means, said connector means for receiving said connector means; and an electrically conductive protruding means on said equipment enclosure means, wherein the electrically conductive protruding means contacts said electrically conductive clip upon the joining of said connector means to said connector joining means.
Claim 16
Dependent Claim
161 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, said shielding system comprising: an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides; connector means for connecting said flat ribbon cable; means for attaching said clip to said connector means; and wherein said connector means includes on a first of its sides, means to engage said flat ribbon cable, one of the parallel sides of said U-shaped channel being attached to said first side adjacent to the means to engage said flat ribbon cable, the leg connecting the two parallel sides of said U-shaped channel projecting below the bottom of said connector means.
Claim 17
Dependent Claim
161 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, said shielding system comprising: an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides; connector means for connecting said flat ribbon cable; means for attaching said clip to said connector means; and wherein said connector means includes on a first of its sides, means to engage said flat ribbon cable, one of the parallel sides of said U-shaped channel being attached to said first side adjacent to the means to engage said flat ribbon cable, the leg connecting the two parallel sides of said U-shaped channel projecting below the bottom of said connector means.
Claim 18
Dependent Claim
163 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, said shielding system comprising: an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides; connector means for connecting said flat ribbon cable; means for attaching a first one of said parallel sides to said connector means; an equipment enclosure means; connector joining means, mounted on said equipment enclosure means, said connector joining means for receiving said connector means; and an electrically conductive protruding means on said equipment enclosure means, wherein the electrically conductive protruding means contacts the second side of said electrically conductive clip upon the joining of said connector means to said connector joining means.
Claim 19
Dependent Claim
163 words
A shielding system for a flat ribbon cable, a shield layer of electrically conductive material being disposed in generally longitudinal relationship with one side of said flat ribbon cable, a readily severable jacket of flexible insulating material encompassing said flat ribbon cable and said shield layer, a section of said shield layer folded back, said shielding system comprising: an electrically conductive clip crimped upon said folded back section of said shield layer, said clip comprising a U-shaped channel having parallel sides; connector means for connecting said flat ribbon cable; means for attaching a first one of said parallel sides to said connector means; an equipment enclosure means; connector joining means, mounted on said equipment enclosure means, said connector joining means for receiving said connector means; and an electrically conductive protruding means on said equipment enclosure means, wherein the electrically conductive protruding means contacts the second side of said electrically conductive clip upon the joining of said connector means to said connector joining means.
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) | 1987-03-20 | 1987-09-19 | 1988-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-20 | 1991-09-19 | 1992-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-20 | 1995-09-19 | 1996-03-20 | $7700.00 | Window Closed / Lapsed |