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US 4,283,593 AGranted
Multiconductor cable
AssigneeThomas & Betts Corporation
InventorsRaymond F. Piasecki, Ted L. C. Kuo
Life of this patent
Estimating the term…
Abstract
A cable assembly for use in undercarpet wiring systems has a flat multiconductor cable encased in electrical insulation and an electrically conductive shield overlying the cable insulation, extending lengthwise with the cable and having successive extents which are respectively unsecured and secured to the cable. Electrical connection of the shield to the cable ground conductor is made redundantly at each such secured extent of the shield whereby physical continuity of the shield may be interrupted without interrupting electrical continuity of the shield to ground. Folded cable assemblies and methods for folding are set forth which facilitate cable directional change in wiring systems.
Claims27
An electrical cable assembly comprising:
- an electrical cable having a plurality of flat conductors in an electrically insulative casing;
- and an electrically conductive member extending lengthwise with said cable, overlying said casing, and having successive lengthwise extents respectively secured and unsecured to said cable, the edges of said conductive member extending lengthwise with said cable including safety means for diminishing the cutting ability of said edges.
An electrical cable assembly comprising:
- an electrical cable having a plurality of flat conductors in an electrically insulative casing;
- and an electrically conductive member extending lengthwise with said cable, overlying said casing, and having successive lengthwise extents respectively secured and unsecured to said cable, said casing comprising a thin flat sheet, the longitudinally extending edges of said sheet being provided with safety means for diminishing the cutting ability of said edges thereof.
An electrical cable assembly comprising:
- (a) an electrical cable having a plurality of flat conductors in an electrically insulative casing;
- (b) an electrically conductive member extending lengthwise with said cable and overlying said casing;
- (c) a plurality of electrical connector means disposed in mutually spaced relation lengthwise of said conductive member for redundant electrical connection of said conductive member to an exclusive one of said flat conductors;
- and
- (d) safety means for diminishing the cutting ability of longitudinally extending edges of said conductive member.
2 more elements
In combination, in an electrical wiring system:
- (a) first and second electrical cables having mutually overlapping end portions, each said cable having a plurality of flat conductors in an electrically insulative casing;
- (b) electrical connector means for mutually securing said cable end portions and providing electrical connection between said flat conductors of said cables;
- (c) a first electrically conductive member electrically connected to and extending lengthwise with said first cable, overlying said casing of said first cable and having successive lengthwise extents respectively secured and unsecured to said first cable;
- and
- (d) a second electrically conductive member electrically connected to and extending lengthwise with said second cable, overlying said casing of said second cable and having successive lengthwise extents respectively secured and unsecured to said second cable, at least one of such first and second electrically conductive members being in overlying disposition to said end portions of said first and second electrical cables and said electrical connector means.
2 more elements
In combination, in an electrical wiring system:
- (a) first and second electrical cables having mutually overlapping end portions, each said cable having a plurality of flat conductors in an electrically insulative casing;
- (b) a first electrically conductive member extending lengthwise in securement with said first cable and in overlying disposition to said casing of said first cable and having an end extent in unsecured overlying disposition to such first cable end portion;
- (c) a second electrically conductive member extending lengthwise in securement with said second cable and in overlying disposition to said casing of said second cable and having an end extent in unsecured overlying disposition to said second cable;
- (d) first electrical connector means for providing electrical connection between flat conductors of said cables in said mutually overlapping end portions thereof;
- (e) second electrical connector means for providing electrical connection between said first electrically conductive member and a flat conductor of said first cable;
- and
- (f) third electrical connector means for providing electrical connection between said second electrically conductive member and a flat conductor of said second cable.
4 more elements
In combination, in an electrical wiring system:
- (a) first and second electrical cables having mutually overlapping portions, each said cable having a plurality of flat conductors in an electrically insulative casing;
- (b) a first electrically conductive member extending lengthwise in securement with said first cable and in overlying disposition to said casing of said first cable and having an extent in unsecured overlying disposition to such cable mutually overlapped portions;
- (c) a second electrically conductive member extending lengthwise in securement with said second cable and in overlying disposition to said casing of said second cable and having an end extent in unsecured overlying disposition to said second cable;
- (d) first electrical connector means for providing electrical connection between flat conductors of said cables in said cable mutually overlapped portions thereof;
- (e) second electrical connector means for providing electrical connection between said first electrically conductive member and a flat conductor of said first cable;
- and
- (f) third electrical connector means for providing electrical connection between said second electrically conductive member and a flat conductor of said second cable.
4 more elements
An electrical cable assembly comprising:
- an electrical cable having a plurality of flat conductors in an electrically insulative casing;
- a self-sustaining flexible electrically conductive member extending lengthwise with said cable, overlying said casing, and having successive lengthwise extents respectively secured and unsecured to said cable;
- and an electrically conductive means in registry with each such secured conductive member extent for providing electrical connection of said conductive member and said cable, one such unsecured conductive member extent constituting an end portion of said conductive member, such end portion being separable from said casing, while the secured portion adjacent said end portion remains secured to said casing and to said end portion, whereby electrical connections may be made to said conductors through said casing.
Dependencies are inferred from the claim text.