US3721940A - Connector for multi-conductor tape cable - Google Patents

Connector for multi-conductor tape cable Download PDF

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Publication number
US3721940A
US3721940A US00180801A US3721940DA US3721940A US 3721940 A US3721940 A US 3721940A US 00180801 A US00180801 A US 00180801A US 3721940D A US3721940D A US 3721940DA US 3721940 A US3721940 A US 3721940A
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US
United States
Prior art keywords
conductors
electrical
cable
housing
contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00180801A
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English (en)
Inventor
D Michel
Le Roy Fairbairn
J Cook
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amphenol Corp
Original Assignee
Bendix Corp
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Publication date
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Publication of US3721940A publication Critical patent/US3721940A/en
Assigned to CANADIAN IMPERIAL BANK OF COMMERCE, NEW YORK AGENCY, AS AGENT reassignment CANADIAN IMPERIAL BANK OF COMMERCE, NEW YORK AGENCY, AS AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AMPHENOL CORPORATION
Assigned to ALLIED CORPORATION, A CORP. OF NY reassignment ALLIED CORPORATION, A CORP. OF NY MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE APRIL 1, 1985 Assignors: BENDIX CORPORATION, THE,
Assigned to AMPHENOL CORPORATION, A CORP. OF DE reassignment AMPHENOL CORPORATION, A CORP. OF DE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ALLIED CORPORATION, A CORP. OF NY
Anticipated expiration legal-status Critical
Assigned to AMPHENOL CORPORATION A CORP. OF DELAWARE reassignment AMPHENOL CORPORATION A CORP. OF DELAWARE RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: CANADIAN IMPERIAL BANK OF COMMERCE
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/78—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to other flexible printed circuits, flat or ribbon cables or like structures

Definitions

  • the connector includes a plurality of ring shaped electrical conductors mounted on a shaft within the connector housing.
  • the ring shaped electrical conductors are arranged in the same spaced relationship as the conductors in the tape cable and when the tape cables are inserted into the housing they connect each of the conductors of the first cable in electrical circuit relationship to the electrical conductors of the second cable.
  • the shaft is rotatable'so that should an oxide build up between the ring contacts and the electrical conductors of the tape cable, the electrical contactsmay be rotated in contact with the tape conductors to clean the surface of oxide and reduce the resistivity between the contacting surfaces.
  • FIGURE 2 BY A TORNEY CONNECTOR FOR MULTI-CONDUCTOR TAPE CABLE BACKGROUND OF INVENTION
  • This invention relates to an electrical connector for connecting two or more tape cables in electrical circuit relationship.
  • the invention is also related to an improved tape cable connector that provides means for surfaces of the connector that occurs with time.
  • solderless connection to multi-conductor flat cables is well known in the art and descriptions of solderless connections between flat tape cables can be found in U. S. Pat. Nos. 3,089,114 and 3,088, 090 to J. C. Cole et al. entitled Electrical Connector and US. Pat. No. 3,004,237 to J. C. Cole et al. entitled Electrical Connector for Multi-Conductor Cables.
  • These prior art patents include complicated assemblies that have complex electrical contacts for completing electrical circuits between two cables, and in one instance, require a male and female portion, each of which is attached to a different tape cable and a connecting portion to connect the male and female portion together.
  • the invention is an electrical connector for tape ca bles that is characterized by a plurality of ring shaped electrical conductors mounted in the electrical connector to provide the interconnecting link between the conductors of the tape cable.
  • the electrical connector for connecting a first tape cable to a second tape cable comprises; a
  • the shaft may be rotatable so that by periodically rotatingthe shaft, the rings in contact with the electrical conductors of the tape cable are friction cleaned thereby eliminating any build-up of oxide that may have occurred over a period of time. This reduces the increased resistivity between the contacts and conductors that accompanies oxidation.
  • FIG. 1 is an exploded view of one preferred embodiment of an electrical connector incorporating the principles of this invention.
  • FIG. 2 is a second preferred'embodiment of an electrical connector that incorporates the principles of this invention and illustrates the additional feature of a rotatable contact assembly.
  • FIG. 1 illustrates portions of flattened or ribboned type cables 41, 42 which are joined together by the illustrative embodiment of the connector.
  • Each of the tape cables 41, 42 have a plurality of thin ribbon-like conductor strips 43 which are sealed in spaced parallel relationship between upper and lower electrical insulating layers of material bonded to each other to form an insulating body 44.
  • the illustrative cable shown may, for example, be one manufactured by the Tape Cable Company, Rochester, NY.
  • the conductors 43 are generally made of thin copper strips and the body 44 is generally made of clear, transparent, thermal plastic material such as a polyester resin. Electrical circuit boards can also be connected together in this manner. The electrical con- A poses.
  • FIG. 1 illustrates an electrical connector which includes a housing 10, a shaft 20, contacts 30, and identical base plates 1.
  • spacing plates 50 may be required. The purpose of these spacing plates 50 is to gauge the amount of the ring contact 30 which extends above a certain plane. Also, the spacing plates 50 may serve to space the ring conductors 30 on the shaft 20 in the instance where they are not fixedly mounted on the shaft 20.
  • the center housing 10 includes a cavity 11 which is adapted to receive the shaft 20 with the conducting rings 30 mounted on theshaft 20 and the spacing plate 50. Holes 3 in the housinglt) are to provide a passage for afastening means such as the nut 5 and bolt 6 shown in the drawings.
  • Each of the spacing plates 50 are identical and contain a plurality of slots 51 that are arranged in the same spaced relationship as the conductors 43 in the tape cable 41.
  • the spacing plates 50 serve to properly arrange the conducting rings 30 on the shaft 20 and provide thecorrect distance that the conducting rings 30 should extend above the central housing 10. 1
  • Each base 1 includes a groove 2 and pegs 4 for locating and properly orienting the tape cable 41 so that when the base 1 is mounted on the housing 10 by nut 5 and bolt 6, the electrical conductors 43 are in contact with the electrical contacts 30.
  • the central portions of the electrical connector come in an assembled for, i.e., the conducting rings 30 are mounted on the shaft 20, and the shaft and the spacing plates 50 mounted in the central housing cavity] 1.
  • the electrical connector therefore, comes in three main pieces, the two bases 1 and the central assembly.
  • each of the tape cables have their conductors 43 bared and placed in the groove 2 of the base plate 1.
  • the connector can be used to connect together two tape cables along any portion of the cable merely by scraping away the insulating material and locating the tape cable in the groove 2'of the base 1.
  • the pegs 4 in the base I serve as additional alignment guides and in some instances may be arranged to be a key to accept only certain tape cables and reject other tape cables.
  • the central assembly which includes the central housing 10 and the ring conductors 30 is positioned between the two bases 1.
  • the bolt 6 is then inserted through the holes 3 in each portion of the assembly to properly align the ring contacts 30 with the cable conductors 43.
  • the nut 5 is then tightened down on the bolt 6 locking the assembly together and pressing the conducting rings 30 in contact with the conductors 43 of the tape cables 41 and 42.
  • Essential to the proper operation of this connector is the fact that the conducting rings 30 be arranged in the same spaced relationship as the conductors 43 in the tape cable and that when the tape cables are placed in the connector, the electrical conducting rings 30 properly mate with each of their corresponding conductors 43. In this embodiment, this is accomplished by the spacers 50, the
  • the spacers 50 could be eliminated by mounting the rings 30 on the shaft 20 in their proper spaced relationship and then utilizing the holes 3 in the assembly or any other type arrangement that keys the bases 1 to the central housing 10.
  • FIG. 2 illustrates a preferred embodiment of the electrical connector that includes the added feature of a rotatable ring assembly that is mounted in a central housing 10 comprised of two identical-parts.
  • the conducting rings 30 are mounted on the shaft 20 in the same spaced relationship as the conductors 43 in the tape cable 41 and 42.
  • the shaft 20 includes a cylindrical portion 21 at both ends thereof.
  • each cylindrical portion 21 there is a slot 23 for receiving a tool, such as a screwdriver, so that the shaft 20 and the rings 30 mounted thereon may be rotated by placing a screwdriver in 'the slot 23 and rotating the screwdriver.
  • a tool such as a screwdriver
  • the housing 10 is comprised of each of which include a plurality of grooves 11 arranged in the same spaced relationship as the rings30 on the shaft 20 and the conductors 43 in the tape 41.
  • tape cables 41 and 42 of this embodiment are located in the bases 1 in the same manner as the tape cables are located in the base plates 1 of FIG. 1.
  • the connector assembled together and the nut 5 and bolt 6 are placed through the holes 3 and locked together, the two tape cables 41 and 42 are then connected in electrical circuit relationship.
  • another nut and bolt is placed through the holes on the opposite end of the connector.
  • the connector can be mounted on a panel or rack and left to perform its function for many years. As time passes, oxidation of the surface of the conductors 43 and conducting ring 30 may occur which increases the resistance across the contacting surfaces. This certainly is disadvantageous in electrical systems where any loss of signal is a problem. However, the deterioration of the signal strength may be reduced and/or eliminated by periodic maintenance to the connection between the cables. In prior art tape cable connectors this was accomplished by dissassembling the connector and cleaning the conducting surfaces of both the connector contacts and/or replacing the connector and/or trimming down and baring new portions of the conductors in the tape cables.
  • preventative maintenance may be performed merely by placing a screwdriver in the slot 23 and rotating the screwdriver one or more times. This rotating action will cause the rings 30 which are in pressure contact with the conductors 43 to rub against the conductor surface thereby cleaning the contacts 30 and, the conductor surface 43.
  • the outer surface of the conducting rings 30 may be made slightly abrasive so that in addition to being good conductors, they also will have a greater ability to scrape foreign matter from the copper conductors 43 of the tape cables 41 and 42.
  • the conductors mounted on the shaft within the connector housing could be shaped. This type of contact would have four contact surfaces that would be capable of connecting together tape cables located in adjacent and/or parallel planes.
  • the conducting rings could be molded directly into the housing eliminating the need for a shaft or mounting means other than the housing.
  • the invention may be used to connect together, in any combination, tape cables, printed circuit boards, and other parallel spaced conductors. Accordingly, it is intended that the illustrative and descriptive materials herein be used to illustrate the principles of the invention and not to limit the scope thereof.
  • An electrical connector for connecting a first tape cable having a plurality of spaced electrical conductors to a similar second tape cable comprising:
  • a housing having a cavity and an axis
  • a first base having an axis and means for mounting said first tape cable transverse said first base axis;
  • a second base having an axis and means for mounting said second tap'e cable transverse said second base axis;
  • each of said bases is generally parallel to the axis of said housing and so that each of said conductors of said first cable is in contact with one of said ring conductors mounted on said shaft and each of said conductors of said second cable is in contact with one of said ring conductors whereby each of said conductors of said first cable is in electrical circuit relationship with one of the conductors of said second cable.
  • each of said cables to be connected is in the form of a flat insulating tape having a plurality of generally parallel spaced conductors therein, the respective conductors of each of the cables being bared at one end thereof.
  • An electrical connector for connecting a plurality of multi-conductor cables in predetermined circuit relationship, said connector comprising:
  • a housing having a cavity therein and a plurality of openings each adapted to receive one of said multi-conductor cables;
  • said rings mounted to be in communication with each of said openings in said housing so that when one of said cables is inserted into one of said housing openings, said cable has each of its conductors in contact with one of said conducting rings whereby when a plurality of cables are inserted into said housing openings each of said cables are connected in predetermined electrical circuit relationship.
  • each of said cables to be connected is in the form of a flat insulating tape having a plurality of generally parallel spaced conductors therein, the respective conductors of each of the cables being bared at one end thereof.
  • An electrical connector for connecting a first tape cable to a second tape cable each of said cables to be connected is in the form of a flat insulating tape having a plurality of generally parallel spaced conductors therein, the respective conductors of each of the cables being bared at one portion ofthe cable, th'eelectrical connector comprising:
  • An electrical connector for connecting a first tape cable having a plurality of spaced electrical conductors to a similar second tape cable comprising:
  • a housing having a cavity and an axis
  • a first base having an axis and means for mounting said first tape cable transverse said first base axis;
  • a second base having an axis and means for mounting said second tape cable transverse said second base axis;
  • each of said bases is generally parallel to the axis of said housing and so that each of said conductors of said first cable is in contact with one portion of said contacts mounted on said shaft and each of said conductors of said second cable is in contact with another portion of said contacts mounted on said shaft whereby each of the conductors of said first cable is in electrical circuit relationship with one of the conductors of said second cable.
  • An electrical connector for connecting a plurality of multi-conductor cables in predetermined circuit relationship, said connector comprising:
  • a housing having a cavity therein and a plurality of 6 openings each adapted to receive one of said multi-conductor cables;
  • said multi-conductor cables are tape cables and wherein said means for moving said contacts comprises a shaft rotatably mounted within the connector and having mounted thereon said plurality of electrical contacts, said shaft havingat least one end which communicates with the outside of said connector for receiving a means for rotating said shaft.
  • An electrical connector for connecting a first plurality of spaced electrical conductors to a second plurality of similarly spaced electrical conductors, the electrical connector comprising:
  • a housing having a cavity and an axis
  • a first base having an axis and means for mounting said first plurality of electrical conductors transverse said first base axis;
  • a second base having an axis and means for mounting said second plurality of electrical conductors transverse said second base axis;
  • each of said bases is generally parallel to the axis of said housing and so that each of said first plurality of conductors is in contact with one portion of said contacts mounted on said shaft and each of said second plurality of conductors is in contact with another portion of said contacts mounted on said shaft whereby each of the first plurality of conductors of said first cable is in electrical circuit relationship with one of the conductors of said second cable.
  • An electrical connector for connecting in predetermined circuit relationship at least two electrical circuits, each having a plurality of terminal conductors arranged in the same spaced relationship, said connector comprising:
  • a housing having a cavity therein and a plurality of openings each adapted to receive the terminal conductors of one of said circuits;
  • said rings mounted to be in communication with each of said openings in said housing so that when the terminal conductors of one of said circuits are inserted into one of said housing openings, said circuit has each of its conductors in contact with one of said conducting rings whereby when the terminal conductors of said other circuit are inserted into said housing openings each of said circuits are connected in predetermined electrical circuit relationship.
  • At least one of said circuits to be connected includes a substrate comprised of a flat insulating material having a plurality of generally parallel spaced electrical conductors arranged along one end of said substrate.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Processing Of Terminals (AREA)
US00180801A 1971-09-15 1971-09-15 Connector for multi-conductor tape cable Expired - Lifetime US3721940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18080171A 1971-09-15 1971-09-15

Publications (1)

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US3721940A true US3721940A (en) 1973-03-20

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Application Number Title Priority Date Filing Date
US00180801A Expired - Lifetime US3721940A (en) 1971-09-15 1971-09-15 Connector for multi-conductor tape cable

Country Status (7)

Country Link
US (1) US3721940A (enrdf_load_stackoverflow)
JP (1) JPS5434916B2 (enrdf_load_stackoverflow)
CA (1) CA968433A (enrdf_load_stackoverflow)
DE (1) DE2241986A1 (enrdf_load_stackoverflow)
FR (1) FR2153954A5 (enrdf_load_stackoverflow)
GB (1) GB1396528A (enrdf_load_stackoverflow)
IT (1) IT967498B (enrdf_load_stackoverflow)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858958A (en) * 1972-10-31 1975-01-07 Int Computers Ltd Methods and apparatus for forming electrical connections
US4139749A (en) * 1976-03-10 1979-02-13 Preh, Elektrofeinmechanische Werke, Jakob Preh Nachf Control lever actuated switch
US4221444A (en) * 1977-10-21 1980-09-09 The University Of Melbourne Connectors and articles having connectors thereon
US4420203A (en) * 1981-06-04 1983-12-13 International Business Machines Corporation Semiconductor module circuit interconnection system
US4476357A (en) * 1982-09-28 1984-10-09 T-Bar Incorporated Switching apparatus employing conductor contracts on a movable elastomeric member
EP1113527A3 (en) * 1999-12-17 2003-01-29 Berg Electronics Manufacturing B.V. Electrical connector for a flat cable
US7033208B1 (en) * 2005-03-07 2006-04-25 Cheng Uei Precision Industry Co., Ltd. Flexible printed circuit connector
US20090298327A1 (en) * 2008-05-30 2009-12-03 Wang Chien-Chun Connecting module
US20120315774A1 (en) * 2011-02-18 2012-12-13 Willis Williams Flex to flex connection device
US20140302692A1 (en) * 2013-02-08 2014-10-09 Apple Inc. Board-to-board connectors
US9225115B2 (en) 2012-10-22 2015-12-29 Apple Inc. Retention key lock for board-to-board connectors
US9755337B2 (en) 2014-09-02 2017-09-05 Apple Inc. Waterproof board-to-board connectors
US10833438B1 (en) * 2019-05-01 2020-11-10 Hewlett Packard Enterprise Development Lp Apparatus for surface mount connectors

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726543Y2 (enrdf_load_stackoverflow) * 1976-11-01 1982-06-09
JPS5726544Y2 (enrdf_load_stackoverflow) * 1976-11-05 1982-06-09
US4488766A (en) * 1982-09-30 1984-12-18 Amp Incorporated High density zero insertion force connector
JPS6062072A (ja) * 1983-09-06 1985-04-10 バーンデイ・コーポレーシヨン 端子台
DE3916485A1 (de) * 1989-05-20 1990-11-22 Aei Ges Fuer Automatik Elektro Kontaktleiste mit federnden kontaktelementen
US5213534A (en) * 1992-07-31 1993-05-25 Molex Incorporated Electrical connector assembly for flat flexible cable
JP3869539B2 (ja) * 1997-11-27 2007-01-17 矢崎総業株式会社 コネクタ
DE10034613A1 (de) * 2000-07-17 2002-01-31 Kostal Leopold Gmbh & Co Kg Anordnung zum lötfreien elektrischen Verbinden von zwei elektrischen Flachleitungen sowie Verbindungssystem zum Erstellen einer solchen Anordnung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229585A (en) * 1937-02-04 1941-01-21 Kerb Konus G M B H Electrical contact
US3208029A (en) * 1961-09-01 1965-09-21 Robert J Leslie Electrical connector
US3613049A (en) * 1969-12-01 1971-10-12 Bell Telephone Labor Inc Connector for flat multiconductor cables
US3636499A (en) * 1970-08-28 1972-01-18 Sylvania Electric Prod Zero force connector
US3638163A (en) * 1970-07-20 1972-01-25 Bell Telephone Labor Inc Connector for electrically interconnecting two parallel surfaces
US3651287A (en) * 1969-02-26 1972-03-21 Leonard Rubenstein Electrical switch assembly with improved printed circuit contact structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229585A (en) * 1937-02-04 1941-01-21 Kerb Konus G M B H Electrical contact
US3208029A (en) * 1961-09-01 1965-09-21 Robert J Leslie Electrical connector
US3651287A (en) * 1969-02-26 1972-03-21 Leonard Rubenstein Electrical switch assembly with improved printed circuit contact structure
US3613049A (en) * 1969-12-01 1971-10-12 Bell Telephone Labor Inc Connector for flat multiconductor cables
US3638163A (en) * 1970-07-20 1972-01-25 Bell Telephone Labor Inc Connector for electrically interconnecting two parallel surfaces
US3636499A (en) * 1970-08-28 1972-01-18 Sylvania Electric Prod Zero force connector

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858958A (en) * 1972-10-31 1975-01-07 Int Computers Ltd Methods and apparatus for forming electrical connections
US4139749A (en) * 1976-03-10 1979-02-13 Preh, Elektrofeinmechanische Werke, Jakob Preh Nachf Control lever actuated switch
US4221444A (en) * 1977-10-21 1980-09-09 The University Of Melbourne Connectors and articles having connectors thereon
US4420203A (en) * 1981-06-04 1983-12-13 International Business Machines Corporation Semiconductor module circuit interconnection system
US4476357A (en) * 1982-09-28 1984-10-09 T-Bar Incorporated Switching apparatus employing conductor contracts on a movable elastomeric member
EP1113527A3 (en) * 1999-12-17 2003-01-29 Berg Electronics Manufacturing B.V. Electrical connector for a flat cable
US7033208B1 (en) * 2005-03-07 2006-04-25 Cheng Uei Precision Industry Co., Ltd. Flexible printed circuit connector
US20090298327A1 (en) * 2008-05-30 2009-12-03 Wang Chien-Chun Connecting module
US20130323945A1 (en) * 2011-02-18 2013-12-05 Hi Rel Connectors, Inc Flex to flex connection device
US8529277B2 (en) * 2011-02-18 2013-09-10 Hi Rel Connectors, Inc Flex to flex connection device
US20120315774A1 (en) * 2011-02-18 2012-12-13 Willis Williams Flex to flex connection device
US8668503B2 (en) * 2011-02-18 2014-03-11 Hi Rel Connectors, Inc Flex to flex connection device
US20140256193A1 (en) * 2011-02-18 2014-09-11 Hi Rel Connectors, Inc. Flex to flex connection device
US9093801B2 (en) * 2011-02-18 2015-07-28 Hi Rel Connectors, Inc. Flex to flex connection device
US9225115B2 (en) 2012-10-22 2015-12-29 Apple Inc. Retention key lock for board-to-board connectors
US20140302692A1 (en) * 2013-02-08 2014-10-09 Apple Inc. Board-to-board connectors
US9209540B2 (en) * 2013-02-08 2015-12-08 Apple Inc. Board-to-board connectors
US9755337B2 (en) 2014-09-02 2017-09-05 Apple Inc. Waterproof board-to-board connectors
US10833438B1 (en) * 2019-05-01 2020-11-10 Hewlett Packard Enterprise Development Lp Apparatus for surface mount connectors
US20210044039A1 (en) * 2019-05-01 2021-02-11 Hewlett Packard Enterprise Development Lp Apparatus for surface mount connectors
US11705652B2 (en) * 2019-05-01 2023-07-18 Hewlett Packard Enterprise Development Lp Apparatus for surface mount connectors

Also Published As

Publication number Publication date
GB1396528A (en) 1975-06-04
CA968433A (en) 1975-05-27
JPS4837683A (enrdf_load_stackoverflow) 1973-06-02
IT967498B (it) 1974-02-28
FR2153954A5 (enrdf_load_stackoverflow) 1973-05-04
DE2241986A1 (de) 1973-03-22
JPS5434916B2 (enrdf_load_stackoverflow) 1979-10-30

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