US4789354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voice/data communication termination connector
Assignee: 3M Co
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Filing: 1987-09-14
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Granted: 1988-12-06
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Expires: 2007-09-14
Abstract
Abstract A connector for communication wire pairs has an insulating body formed with sinuous channels for capturing the insulated wire, U-slot contact elements for making contact with the wires and said contacts having spring elements formed by U-shaped cuts in the periphery of the element for contact with an external circuit to connect the same in series or parallel with said spliced wires.
Inventors
- 👤 Philip M. Smith
- 👤 Elmont E. Hollingsworth
- 👤 Robert A. Wandmacher
- 👤 Thomas W. Rosckes
- 👤 Russell A. Roiko
- 👤 Dennis M. Cheesebrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:54
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/10; H01R13/11; H01R13/115; H01R4/00; H01R4/24; H01R4/2416; H01R4/242; H01R4/2425; H01R4/2429; H01R9/00; H01R9/22; H01R9/24; H01R9/26; H01R9/2625; Y; Y10; Y10S; Y10S439/00; Y10S439/922; Y10S439/942
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
81 words
A conductive metal contact element comprising an elongate strip having generally parallel sides and ends, a leg formed adjacent one end and said one end having a slot extending longitudinally of the strip to define a U-contact element to receive a wire therein, and said strip having an inverted U-shaped cut between said sides, said U-shaped cut forming a spring contact bendable from said strip and diverging from the plane of said strip and in the direction of said one end.
Claim 2
Dependent Claim
81 words
A conductive metal contact element comprising an elongate strip having generally parallel sides and ends, a leg formed adjacent one end and said one end having a slot extending longitudinally of the strip to define a U-contact element to receive a wire therein, and said strip having an inverted U-shaped cut between said sides, said U-shaped cut forming a spring contact bendable from said strip and diverging from the plane of said strip and in the direction of said one end.
Claim 3
Dependent Claim
81 words
A conductive metal contact element comprising an elongate leg having generally parallel sides, said leg having a slot extending from one end thereof toward a base end, said slot extending about one-third of the length of said leg and being adapted to receive a wire therein, said leg having an inverted U-shaped cut between said sides and between said slot and said base end, said U-shaped cut forming a spring contact extending from said base end and diverging from said leg.
Claim 4
Dependent Claim
81 words
A conductive metal contact element comprising an elongate leg having generally parallel sides, said leg having a slot extending from one end thereof toward a base end, said slot extending about one-third of the length of said leg and being adapted to receive a wire therein, said leg having an inverted U-shaped cut between said sides and between said slot and said base end, said U-shaped cut forming a spring contact extending from said base end and diverging from said leg.
Claim 5
Dependent Claim
49 words
A contact element according to claim 2 wherein said base end is joined to the base end of a second similar elongate leg extending generally parallel to the first mentioned leg defining therewith a U-shaped contact element with said spring contact formed in each leg converging toward each other.
Claim 6
Dependent Claim
24 words
A contact element according to claim 3 wherein the bight portion joining the base end of said legs is generally perpendicular to said legs.
Claim 7
Dependent Claim
33 words
A contact element according to claim 4 wherein said U-shaped cut extends into said bight portion and said spring contact extends from said bight portion in a direction diverging from the adjacent leg.
Claim 8
Dependent Claim
43 words
A contact element according to claim 2 wherein said spring contact has a portion diverging from said leg, a second portion converging toward said leg to define a bow between said portions and second diverging and converging portions to the distal end thereof.
Claim 9
Dependent Claim
42 words
A contact element according to claim 2 wherein, a second similar contact element is positioned as a mirror image to said first mentioned contact element with said legs in contacting position affording a wire splice with a separable contact between said legs.
Claim 10
Dependent Claim
118 words
A connector for splicing pairs of communication wires comprising an insulating body having transversely spaced sides and ends, said sides having a flange formed at the top thereof and projecting spaced wall members on said flanges forming channels therebetween, the channels on one side being generally aligned with channels on the opposite side, fin means extending into said channels from the opposite wall members for forming a sinuous path in said channels and rib means for defining opposed slots extending perpendicular to said channels, and conductive metal contact elements each having an elongate U-shaped leg with generally parallel sides disposed in said opposed slots for positioning the slots of said U-shaped legs in the path of said channels.
Claim 11
Dependent Claim
118 words
A connector for splicing pairs of communication wires comprising an insulating body having transversely spaced sides and ends, said sides having a flange formed at the top thereof and projecting spaced wall members on said flanges forming channels therebetween, the channels on one side being generally aligned with channels on the opposite side, fin means extending into said channels from the opposite wall members for forming a sinuous path in said channels and rib means for defining opposed slots extending perpendicular to said channels, and conductive metal contact elements each having an elongate U-shaped leg with generally parallel sides disposed in said opposed slots for positioning the slots of said U-shaped legs in the path of said channels.
Claim 12
Dependent Claim
98 words
A connector according to claim 8 wherein said U-shaped contact elements comprise an elongate leg having generally parallel sides, said leg having a slot extending from one end thereof toward a base end to define said U-shape, said slot extending about one-third of the length of said leg and being adapted to receive a wire therein, said leg having an inverted U-shaped cut between said sides and between said slot and said base end, said U-shaped cut forming a spring contact extending from said base end and diverging from said leg toward a central area between said sides.
Claim 13
Dependent Claim
46 words
A connector according to claim 9 wherein said base end of said contact element adjacent one side is joined to the base end of the U-shaped contact element adjacent with said spring contact of said contact elements in opposed relationship for receipt of an additional connector.
Claim 14
Dependent Claim
40 words
A connector according to claim 10 wherein said U-shaped cut in each contact extends into portion of said contact elements joining said elements and said spring contact extends from said bight portion in a direction diverging from the adjacent leg.
Claim 15
Dependent Claim
70 words
A connector according to claim 9 wherein said spring contact on one connector element has a portion diverging from said leg, a second portion converging toward said leg to define a bow between said portions and second diverging and converging portions to the distal end thereof, and said bow on the contact element adjacent one side contacts the bow adjacent the contact element adjacent the other side of said body.
Claim 16
Dependent Claim
204 words
A connector for splicing pairs of communication wires comprising an insulating body having transversely spaced sides and ends, each of said sides having a top surface and projecting spaced wall members on said surface forming channels therebetween perpendicular to the sides, the channels on one wall surface being generally aligned with channels on the opposite wall surface, fin means extending into said channels from the opposite wall members for forming a sinuous path in said channels said wall members comprising first wall members having bluntly pointed projections on the upper edges thereof extending transversely outwardly from said sides and second wall members positioned alternately of said first wall members along said sides, said second wall members having upwardly projecting members above said sides and said projecting members having ends extending transversely over a portion of said channels toward said first wall members for capturing a wire conductor between said wall members, rib means projecting from said wall members for defining opposed slots extending perpendicular to said channels opposite said projections, and conductive metal contact elements each having an elongate U-shaped leg with generally parallel sides disposed in said opposed slots for positioning the slots of said U-shaped legs in the path of said channels.
Claim 17
Dependent Claim
204 words
A connector for splicing pairs of communication wires comprising an insulating body having transversely spaced sides and ends, each of said sides having a top surface and projecting spaced wall members on said surface forming channels therebetween perpendicular to the sides, the channels on one wall surface being generally aligned with channels on the opposite wall surface, fin means extending into said channels from the opposite wall members for forming a sinuous path in said channels said wall members comprising first wall members having bluntly pointed projections on the upper edges thereof extending transversely outwardly from said sides and second wall members positioned alternately of said first wall members along said sides, said second wall members having upwardly projecting members above said sides and said projecting members having ends extending transversely over a portion of said channels toward said first wall members for capturing a wire conductor between said wall members, rib means projecting from said wall members for defining opposed slots extending perpendicular to said channels opposite said projections, and conductive metal contact elements each having an elongate U-shaped leg with generally parallel sides disposed in said opposed slots for positioning the slots of said U-shaped legs in the path of said channels.
Claim 18
Dependent Claim
71 words
A connector according to claim 13 wherein said body has a recess extending longitudinally between said wall members and parallel to said sides, said recess having a base surface and said base surface having slots extending therethrough and aligned with the channels, said contact elements having spring contact means extending from said legs into said slots formed in said base surface for making connection with a device inserted in said slots.
Claim 19
Dependent Claim
71 words
A connector dependent on claim 8 wherein said body has a recess extending longitudinally between said wall members and parallel to said sides, said recess having a base surface and said base surface having slots extending therethrough and aligned with the channels, said contact elements having spring contact means extending from said legs into said slots formed in said base surface for making connection with a device inserted in said slots.
Claim 20
Dependent Claim
98 words
A connector according to claim 13 wherein said U-shaped contact elements comprise an elongate leg having generally parallel sides, said leg having a slot extending from one end thereof toward a base end to define said U-shape, said slot extending about one-third of the length of said leg and being adapted to receive a wire therein, said leg having an inverted U-shaped cut between said sides and between said slot and said base end, said U-shaped cut forming a spring contact extending from said base end and diverging from said leg toward a central area between said sides.
Claim 21
Dependent Claim
49 words
A connector according to claim 16 wherein said base end of said contact element adjacent one side is joined to the base end of the U-shaped contact element adjacent the other side with said spring contacts of said contact elements in opposed relationship for receipt of an additional connector.
Claim 22
Dependent Claim
43 words
A connector according to claim 17 wherein said U-shaped cut,,in each, contact extends into a bright portion of said contact elements formed by joining said elements and said spring contact extends from said bight portion in a direction diverging from the adjacent leg.
Claim 23
Dependent Claim
70 words
A connector according to claim 13 wherein said spring contact on one connector element has a portion diverging from said leg, a second portion converging toward said leg to define a bow between said portions and second diverging and converging portions to the distal end thereof, and said bow on the contact element adjacent one side contacts the bow adjacent the contact element adjacent the other side of said body.
Claim 24
Dependent Claim
67 words
A connector according to claim 13 wherein said body has an open bottom into which said contract elements are inserted to position the same in said opposed slots and wherein said wall members extend sufficiently above said top surface of said sides to project above said U-shaped legs of said contact elements to restrict contact between said contact elements and an object placed on said wall members.
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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) | 1991-12-06 | 1992-06-06 | 1992-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-12-06 | 1996-06-06 | 1996-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-12-06 | 2000-06-06 | 2000-12-06 | $7700.00 | Window Closed / Lapsed |