US3790922A - Coupling for an electrical connector - Google Patents

Coupling for an electrical connector Download PDF

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Publication number
US3790922A
US3790922A US00251158A US3790922DA US3790922A US 3790922 A US3790922 A US 3790922A US 00251158 A US00251158 A US 00251158A US 3790922D A US3790922D A US 3790922DA US 3790922 A US3790922 A US 3790922A
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US
United States
Prior art keywords
sleeve
annular groove
end portion
coupling
sleeves
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
US00251158A
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English (en)
Inventor
R Normann
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bendix Corp filed Critical Bendix Corp
Application granted granted Critical
Publication of US3790922A publication Critical patent/US3790922A/en
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 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 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/901—Connector hood or shell
    • Y10S439/904—Multipart shell
    • Y10S439/905—Axially joined sections

Definitions

  • Eifler ABSTRACT An easily disconnectable sleeve that houses one half of a quick release or emergency release type connector assembly, The rear portion of the sleeve may be removed for access to the junction between the electrical contacts of the connector and the incoming wires, thereby permitting the electrical circuitry to be checked without disconnecting the connector assembly.
  • the rear portion of the sleeve is fixedly secured to the front portion of the sleeve by two snap rings and a coupling ring. Unlike a threaded coupling, this coupling is capable of transmitting torque and resisting vibrations that would normally uncouple a threaded coupling.
  • This invention relates to an electrical connector of the quick disconnect or emergency release type.
  • the invention is more particularly related to a housing for the plug portion of a connector assembly which provides access to the terminals of the connector contacts and the incoming wires without disassembly of the connector assembly.
  • the connector plug to be housed in a long metal sleeve which does not permit access to the connection between the incoming wires and the terminal portion of the electrical contacts within the connector assembly. Therefore, if replacement of a contact is necessary or if it is necessary to check the operational integrity of the electrical system, it is also necessary to disassemble and/or disconnect the entire sleeve from the connector assembly.
  • This invention provides an emergency release electrical connector assembly with the capability of providing access to the connection between incoming wires and terminal ends of the electrical contacts of a connector assembly once the connector and wires are assembled.
  • the invention further provides a coupling device for containing a connector that is simple to connect and disconnect, has an extremely high resistance to vibration with respect to uncoupling, and is capable of transmitting torque in both directions, which a threaded coupling without modification is not capable of doing.
  • the invention is an emergency release electrical connector assembly (1) characterized by a housing for the assembly which includes two sleeves (100, 200) demountably connected to each other by a lock ring (400) and snap rings (301, 302), thereby providing access to the terminals between the incoming wires (25) and electrical contacts (1 l) of the connector assembly.
  • the electrical connector comprises: a first sleeve (100) having a cutaway rear end portion that includes on the remaining rear end portion a first and second annular groove (101, 102) arranged in spaced relationship, the second annular groove closer the rear end of the first sleeve than the first annular groove; a plurality of electrical contacts (ll) each having a mating end and a terminal end; means for mounting the electrical contacts within the sleeve (disclosed in the U.S. Pat. No.
  • a second sleeve (200) that includes a cutaway front end portion in mated relationship with the remaining rear portion of the first sleeve, the remaining front rear end portion of the second sleeve including third and fourth annular grooves (203, 204) aligned with the first and second grooves of the first sleeve, the third annular groove closer to the front end of the second sleeve than the fourth annular groove; a snap ring (3011) disposed in the first annular groove .of the first sleeve and the third annular groove of the second sleeve; a coupling ring (400) encircling the rear end portion of the first sleeve and the front end portion of the second sleeve and abutting against one side of the first mounting ring; and a second snap ring (302) disposed in the second annular groove of the first slee
  • Another object of this invention is to provide a novel coupling device to be used in combination with an electrical connector assembly of the type which permits rapid disengagement of the connector assembly on the application of opposing axial forces occurring in the process of pulling the connector assembly apart.
  • Still another object of this invention is to improve the versatility of the connector assembly shown in US. Pat. No. 3,538,485 and similar connector assemblies.
  • FIG. 1 illustrates the assembled] coupling device in combination with an emergency release type connector assembly.
  • FIG. 2 illustrates thecoupling assembly before it is securely connected together.
  • FIG. 3 illustrates a coupling ring
  • FIG. 4 illustrates a snap ring which is used to secure the sleeves together.
  • FIG; 5 illustrates an alternate embodiment of the coupling assembly which embodies the principles of this invention.
  • FIG. 1 illustrates a releasable electrical connector assembly in combination with a disconnectable housing assembly that embodies the principles of this invention.
  • FIG. 1 illustrates a releasable electrical connector assembly used in combination with this invention.
  • a more detailed description and drawings of a releasable electrical connector assembly used in combination with this invention may be found in the aforementioned US. Pat. No. 3,538,485.
  • the coupling device which is used in combination with an emergency release type electrical connector 1, includes a first sleeve 100, a second sleeve 200, coupling ring 400 and snap rings 301, 302 which connect the first sleeve 100 and the second sleeve 200 together and which captively retain the coupling ring 400 around the first sleeve 100 and the second sleeve 200.
  • the first sleeve 100 is mechanically linked to a connector assembly which is shown, by way of example, in the form of a plug and socket type electrical connector assembly comprising two matable parts of assemblies 2 and 3.
  • the connector assembly is adapted to be releasably coupled in mated relationship for quick and easy disengagement.
  • One half of the connector assembly 2 is shown as comprising a tubular shell 4, an insulating contact supporting insert 5 mounted in the shell, and a plurality of socket contacts 6 supported by the insert.
  • Shell 4 has three equally spaced coupling pins or lugs 7 projecting radially therefrom, only one of the pins being shown.
  • the other half of the connector assembly 3 shown mated with assembly 2 comprises a tubular shell 8 which telescopes with shell 4 and has a plurality of axially extending keys 9 on the periphery thereof. These keys mate with keyways in shell 4 to angularly orient the assemblies and prevent relative rotation thereof.
  • An insulating insert 13 supports a plurality of pin contacts 11 in shell 8 for mating with socket contacts 6 in shell 4.
  • Means are also provided for mechanically and releasably coupling each half of the connector assembly 2 and 3 together in mated relation in a manner which permits quick, simultaneous release of the coupling means and disengagement of the connector assembly.
  • the coupling means is associated with shell 8 and forms an assembly therewith.
  • the coupling comprises an inner sleeve 12, the forward end of which surrounds a rear portion of shell 8 and has an internal groove 14 in which is mounted an annular wavy compression spring 15. Alternate lobes of the spring engage the rear wall 16 of the groove and the other lobes thereof engage concentric telescoping flanges 17, 18 on shell 8 and sleeve 12 respectively.
  • Sleeve 12 is free to rotate about shell 8, and axial movement of sleeve 12 to the right or rearwardly relative to shell 8 is limited by a split washer 19 seated in an annular groove on the shell 8 and engageable with an external shoulder on the sleeve.
  • Shell 8 is permitted limited axial movement to the right or rearwardly relative to sleeve 12 against the compression of spring 15.
  • the outer sleeve 100 of the novel coupling assembly surrounds inner sleeve 12 and is connected thereto for rotation therewith and limited axial movement relative thereto by any suitable means, such as an inwardly projecting tab or key on sleeve 100 and a mating groove or keyway' in the periphery of inner sleeve 12.
  • any suitable means such as an inwardly projecting tab or key on sleeve 100 and a mating groove or keyway' in the periphery of inner sleeve 12.
  • the second sleeve 200 may or may not be directly connected to a cable (not shown) having a plurality of wires therein that pass through the second sleeve 200 and are connected to the terminal end of the electrical contacts 11.
  • the coupling ring 400 may be mounted to a rack or panel (not shown) by suitable mounting means (not shown).
  • the purpose of the rack or panel 500 is to stop the movement of the sleeves and 200 in the direction of the arrow A when the assembly is being pulled in that direction so that the release mechanism of the connector assembly will allow the mated contacts 6, l 1 to disengage.
  • FIG. 2 shows a partial diagrammatic view of the coupling sleeves 100, 200, each of which is cut away to remove degrees of one end.
  • the first sleeve 100 includes a cutaway rear end portion that includes on the remaining rear end portion a first annular groove 101 and a second annular groove 102 arranged in spaced relationship, the second annular groove 102 being closer to the rear end of the sleeve 100 than the first groove 101.
  • the second sleeve 200 also includes a similar cutaway front end portion that includes on the remaining front end portion of the second sleeve 200 a third annular groove 203 and a fourth annular groove 204 arranged in the same spaced relationship as the annular grooves on the first sleeve 100, the third annular groove 203 being closer to the front end of the second 200 than the fourth annular groove 204.
  • each of the sleeves has 180 degrees removed from one end so that when the first sleeve 100 is mated with the second sleeve 200, the grooves 101 and 203 align themselves to form a continuous groove 360 degrees around the mated sleeves. Similarly, groove 102 of the first sleeve 100 and groove 204 of the second sleeve 200 align themselves to form a continuous groove 360 degrees around the mated sleeves. In this figure sleeves 100 and 200 will not remain in mated relationship unless a retention mechanism, such as a snap ring shown in FIG. 4, is placed in one of the continuous grooves (i.e., 101 and 203).
  • a retention mechanism such as a snap ring shown in FIG. 4
  • FIG. 3 is a view of the coupling 400 shown in FIG. 1.
  • the coupling includes an opening therein slightly larger than the configuration of the first sleeve 100 and second sleeve 200 when they are in mated relationship.
  • the remaining portion of the coupling may take any configuration and may include means for mounting the coupling ring onto a rack or panel.
  • the coupling 400 is ring shaped.
  • the coupling ring 400 may include mounting means such as screws or bolts to fasten the coupling ring to a rack or panel so that when a continuous axial force is applied in the direction A (FIG. 1), the mechanism retaining the connector'assembly will allow the contacts of the connector assembly to disengage.
  • Disengagement of the connector assembly occurs when tension is applied in direction A to the wires or cables (not shown) attached to contacts 6 and when the first sleeve 100 remains in a fixed position, such as when the coupling ring 400 is mounted on a rack or strikes an object preventing further movement of the sleeves in direction A, thereby allowing the electrical contacts 6, 11 which are in mated relationship to be separated from each other by the force that is pulling on the cable (not shown) in the direction indicated by arrow A.
  • FIG. 4 is a diagrammatic view of a snap ring shown in FIG. 1 (301, 302).
  • the snap rings are made of a metal and are shaped to be resiliently deformable in the radial direction.
  • the rings are also preferably split, with each end portion having a hole therein for receiving a tool to facilitate the opening of the ring and disconnecting of the sleeves.
  • a split ring could have tabs on each end that may be grasped by hand or a tool to enable a force to be applied that will increase the inner diameter of the ring so that it may be removed from or located in the grooves in the sleeves 100, 102.
  • FIG. 5 shows an alternate embodiment of the invention wherein one of the continuous grooves formed by grooves 101 and 203 is replaced by a continuous rearwardly facing shoulder formed by shoulders 105 and 205.
  • the sleeve 100 and the sleeve 200 are secured together when in mated relationship by snap ring 302.
  • the coupling 4.00 is retained in position by the rearwardly facing shoulders I05, 205 and the snap ring 301 located in the continuous annular groove formed by grooves 102 and 204i.
  • snap ring 302 is expanded by a tool or some other means so that it is removed from the annular groove (102, 204) and placed in a position where it encircles either the cable (not shown) or the narrow portion of the rear sleeve 200.
  • the coupling nut 400 is moved back to a position alongside the snap ring 302 on the narrow poriton of the rear sleeve 200.
  • the second sleeve 200 may be moved in the direction B, away from the first sleeve 100, thereby exposing the terminals of the wires 25 and the electrical contacts 11.
  • the object of this invention may be attained by utilizing only one snap ring and one continuous annular groove formed by a portion of that groove in the sleeves 100, 200.
  • the cutaway portion of the sleeves may take any configuration so long as the sleeves 100, 200 are matable and so long as each piece contributes a groove that forms a continuous groove around both sleeves.
  • An electrical connector comprising:
  • first sleeve having a cutaway rear end portion that includes on the remaining rear end portion a first and second annular groove arranged in spaced relationship, said second groove closer to the rear end of said sleeve than said first groove;
  • a second sleeve that includes a cutaway front end portion, in mated relationship with said remaining rear portion of said first sleeve, said remaining front end portion of said second sleeve including a first and second annular groove aligned with the first and second grooves of said first sleeve, said first annular groove of said second sleeve closer to the front end of said second sleeve than said second groove;
  • An electrical connector as recited in claim 4 wherein said means for mounting said electrical contacts within said sleeve includes a first assembly adapted to'be releasably connected to a second assembly having a second plurality of contacts adapted to mate with said first plurality of contacts, said first assembly releasing said second assembly when, predeteb' mined axial forces are applied to said first and second assemblies.
US00251158A 1972-05-08 1972-05-08 Coupling for an electrical connector Expired - Lifetime US3790922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25115872A 1972-05-08 1972-05-08

Publications (1)

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US3790922A true US3790922A (en) 1974-02-05

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US00251158A Expired - Lifetime US3790922A (en) 1972-05-08 1972-05-08 Coupling for an electrical connector

Country Status (6)

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US (1) US3790922A (de)
JP (1) JPS5348302Y2 (de)
CA (1) CA973624A (de)
DE (1) DE2323180A1 (de)
FR (1) FR2191300B1 (de)
GB (1) GB1420981A (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999830A (en) * 1975-07-18 1976-12-28 Amp Incorporated High voltage connector with bifurcated metal shell
US4707046A (en) * 1986-07-10 1987-11-17 Liquidometer Corporation Safety breakaway electrical connector construction
US5066247A (en) * 1990-02-23 1991-11-19 Watson James F Electrical fitting for panel construction
US20010017947A1 (en) * 1999-05-11 2001-08-30 Sargento Foods Inc. Resealable bag for filling with food product (s) and method
USD744799S1 (en) * 2013-09-06 2015-12-08 Rodenhouse, Inc. Fastener gun self centering on washer mating contoured ring device
USD763658S1 (en) * 2012-09-26 2016-08-16 Whirlpool Corporation Colored medallion
US20180151274A1 (en) * 2015-05-21 2018-05-31 Robert Bosch Gmbh Electric contact arrangement
US10541493B1 (en) * 2018-07-24 2020-01-21 Te Connectivity Corporation Flexing mounting clip for an electrical assembly
USD884185S1 (en) * 2019-01-29 2020-05-12 Ankon Medical Technologies (Shanghai) Co., Ltd. Radiopaque marker
USD913383S1 (en) * 2018-03-24 2021-03-16 Coulter Ventures, Llc. Bumper weight for a loadable dumbbell
USD919422S1 (en) 2019-09-04 2021-05-18 Coulter Ventures, Llc. Clamping device
US11060592B2 (en) * 2017-06-28 2021-07-13 Linak A/S Linear actuator
US11097147B2 (en) 2018-12-04 2021-08-24 Coulter Ventures, Llc. Weight plate with lifting flanges
US11260257B2 (en) 2018-01-31 2022-03-01 Sound Shore Innovations L.L.C. Modified weight training equipment
US11497955B2 (en) 2019-09-26 2022-11-15 Coulter Ventures, Llc. Barbell
US11565142B2 (en) 2019-11-04 2023-01-31 Coulter Ventures, Llc. Weight plate
US11666793B2 (en) 2018-01-31 2023-06-06 Sound Shore Innovations L.L.C. Modified weight training equipment
USD1027075S1 (en) 2022-07-07 2024-05-14 Coulter Ventures, Llc. Weight plate

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362825U (de) * 1976-10-30 1978-05-27
JPH0635816Y2 (ja) * 1988-03-25 1994-09-21 矢崎総業株式会社 インストルメントパネル用ワイヤーハーネス装置
DE102017125915A1 (de) * 2017-11-07 2019-05-09 Phoenix Contact Gmbh & Co. Kg Verriegelung für Steckverbinder

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2286952A (en) * 1940-07-29 1942-06-16 James H Cannon Split connector for electrical conduits
US2417195A (en) * 1943-06-30 1947-03-11 Bendix Aviat Corp Snap-ring secured, divided motor casing
GB615082A (en) * 1945-09-18 1948-12-31 Cinch Mfg Corp Improvements in and relating to mountings for electrical tube sockets and the like
DE1035989B (de) * 1954-05-17 1958-08-07 Helmut Ritter Dr Ing Rohrkupplung
US3538485A (en) * 1967-08-29 1970-11-03 Bendix Corp Coupling device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2286952A (en) * 1940-07-29 1942-06-16 James H Cannon Split connector for electrical conduits
US2417195A (en) * 1943-06-30 1947-03-11 Bendix Aviat Corp Snap-ring secured, divided motor casing
GB615082A (en) * 1945-09-18 1948-12-31 Cinch Mfg Corp Improvements in and relating to mountings for electrical tube sockets and the like
DE1035989B (de) * 1954-05-17 1958-08-07 Helmut Ritter Dr Ing Rohrkupplung
US3538485A (en) * 1967-08-29 1970-11-03 Bendix Corp Coupling device

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999830A (en) * 1975-07-18 1976-12-28 Amp Incorporated High voltage connector with bifurcated metal shell
US4707046A (en) * 1986-07-10 1987-11-17 Liquidometer Corporation Safety breakaway electrical connector construction
US5066247A (en) * 1990-02-23 1991-11-19 Watson James F Electrical fitting for panel construction
US20010017947A1 (en) * 1999-05-11 2001-08-30 Sargento Foods Inc. Resealable bag for filling with food product (s) and method
USD763658S1 (en) * 2012-09-26 2016-08-16 Whirlpool Corporation Colored medallion
USD821175S1 (en) 2012-09-26 2018-06-26 Whirlpool Corporation Colored medallion
USD744799S1 (en) * 2013-09-06 2015-12-08 Rodenhouse, Inc. Fastener gun self centering on washer mating contoured ring device
US20180151274A1 (en) * 2015-05-21 2018-05-31 Robert Bosch Gmbh Electric contact arrangement
US10026528B2 (en) * 2015-05-21 2018-07-17 Robert Bosch Gmbh Electric contact arrangement
US11060592B2 (en) * 2017-06-28 2021-07-13 Linak A/S Linear actuator
US11260257B2 (en) 2018-01-31 2022-03-01 Sound Shore Innovations L.L.C. Modified weight training equipment
US11666793B2 (en) 2018-01-31 2023-06-06 Sound Shore Innovations L.L.C. Modified weight training equipment
US11911647B2 (en) 2018-01-31 2024-02-27 Sound Shore Innovations L.L.C. Modified weight training equipment
US11969618B2 (en) 2018-01-31 2024-04-30 Sound Shore Innovations L.L.C. Modified weight training equipment
USD913383S1 (en) * 2018-03-24 2021-03-16 Coulter Ventures, Llc. Bumper weight for a loadable dumbbell
US10541493B1 (en) * 2018-07-24 2020-01-21 Te Connectivity Corporation Flexing mounting clip for an electrical assembly
US11097147B2 (en) 2018-12-04 2021-08-24 Coulter Ventures, Llc. Weight plate with lifting flanges
USD884185S1 (en) * 2019-01-29 2020-05-12 Ankon Medical Technologies (Shanghai) Co., Ltd. Radiopaque marker
USD919422S1 (en) 2019-09-04 2021-05-18 Coulter Ventures, Llc. Clamping device
USD1005837S1 (en) 2019-09-04 2023-11-28 Coulter Ventures, Llc. Clamping device
US11497955B2 (en) 2019-09-26 2022-11-15 Coulter Ventures, Llc. Barbell
US11565142B2 (en) 2019-11-04 2023-01-31 Coulter Ventures, Llc. Weight plate
USD1027075S1 (en) 2022-07-07 2024-05-14 Coulter Ventures, Llc. Weight plate

Also Published As

Publication number Publication date
FR2191300B1 (de) 1976-03-19
JPS4933387U (de) 1974-03-23
JPS5348302Y2 (de) 1978-11-18
CA973624A (en) 1975-08-26
DE2323180A1 (de) 1973-11-22
GB1420981A (en) 1976-01-14
FR2191300A1 (de) 1974-02-01

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AS Assignment

Owner name: CANADIAN IMPERIAL BANK OF COMMERCE, NEW YORK AGENC

Free format text: SECURITY INTEREST;ASSIGNOR:AMPHENOL CORPORATION;REEL/FRAME:004879/0030

Effective date: 19870515

Owner name: ALLIED CORPORATION, A CORP. OF NY

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Effective date: 19850401

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ALLIED CORPORATION, A CORP. OF NY;REEL/FRAME:004844/0850

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Effective date: 19911114