US3400360A - Electrical plug with flexible contact member - Google Patents

Electrical plug with flexible contact member Download PDF

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Publication number
US3400360A
US3400360A US609413A US60941367A US3400360A US 3400360 A US3400360 A US 3400360A US 609413 A US609413 A US 609413A US 60941367 A US60941367 A US 60941367A US 3400360 A US3400360 A US 3400360A
Authority
US
United States
Prior art keywords
contact member
flexible contact
contact
housing
flexible
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
US609413A
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English (en)
Inventor
Schmitt Karl-Friedrich
Boch Walter
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.)
Honeywell International Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US3400360A publication Critical patent/US3400360A/en
Assigned to ALLIED CORPORATION A CORP. OF NY reassignment ALLIED CORPORATION A CORP. OF NY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BUNKER RAMO CORPORATION A CORP. OF DE
Anticipated expiration legal-status Critical
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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs
    • 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
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits

Definitions

  • This invention relates to electrical plugs which contain a flexible contact member made of a flat, resilient material mounted within a receptacle of insulating material, with one or more tongues formed on one end of the flexible contact member to make electrical contact with a flat contact, and means on the other end of the flexible contact member for connection to a conductor.
  • Plugs of the above noted type are known in which several pairs of tongues facing each other are floatingly mounted within the plug housing. This floating mounting serves the purpose of providing a good contact even if the opposing contact is misaligned between the pairs of tongues.
  • This prior art plug has the disadvantage that when the conductor exerts a transverse pull on the lower end of the flexible contact member, one pair of tongues is thereby pushed into the area between the pairs of tongues which receive the other contact, due to the floating mounting, thereby causing interruptions of contact and making it difficult to insert the flat contact between the pairs of tongues.
  • FIGURE 1 is a vertical cross-sectional view of one embodiment of the invention.
  • FIGURE 2 is a vertical cross-sectional view of another embodiment of the invention.
  • a flexible contact member 1 is mounted within a hollow housing 5 made of insulating Patented Sept. 3, 1968 "ice material. Although only one flexible contact member 1 is visible in the drawing, several are disposed within the housing 5 in side-by-side relation. Flexible contact member 1 is provided at one end with two pairs of tongues 2, which provide contact with a flat contact which is not shown in the drawings. Flexible contact member 1 contains two symmetrical arm portions, stamped from one piece, which are joined to a common end 3 which is adapted at 4 to be connected to a conductor. In the individual contact members, the tongues 2 are slightly displaced in position with respect to each other so that the flat contact (not shown) traverses several independently flexible contacting points when inserted.
  • the other end of the flexible contact member extends through the opening 6 of housing 5.
  • the contact member of the present invention is provided with two additional extensions 7, which project from the middle portion of the contact member and abut against the recess 9 in housing 5 at the inner surfaces indicated by the reference numeral 8.
  • FIGURE 2 shows two flexible contact members 1' and 1" which are both inserted into receptacle 5' having recesses 9 and 9".
  • This flexible contact member differs from the other flexible contact member in being provided with a pair of outwardly extending tongues 2 and 2 which are adapted to make contact with a pair of parallel contact plates (not shown) which are inserted over the plug.
  • Extensions 7 and 7" abut against corresponding surfaces 8' and 8" in the recesses 9 and 9".
  • the projections 11' and 11" abut against the opposing inner surfaces of recesses 9' and 9".
  • the housing 5 is preferably divided into a lower portion 12 and an upper portion 13. It will be apparent that the two electrical contact points, namely the tongue 2 and the lower end 4 of the contact member, mechanically decouple from each other in the plug according to the present invention, whereby a transverse force applied to the conductor end of the plug will not displace the tongues 2 and prevent proper electrical contact with the opposing flat contact.
  • an electrical plug including a housing made of insulating material and a flexible contact member mounted within said housing, one end of said flexible contact member being shaped to make sliding contact with another electrical contact element, and the other end of said fiexible contact member being shaped to make fixed contact with an electrical conductor, the improvement comprising at least one extension projecting from the middle portion of said flexible contact member and abutting against an interior surface of said housing to prevent said flexible contact member from being displaced by movement of said electrical conductor; said flexible contact member being stamped from 'a single piece of resilient, electrically conductive material and comprising a pair of approximately identical flexible contact members disposed sideby-side within said housing; said one end of said flexible contact members containing projecting tongues for mak- 3 I 4 ing sliding contact with another electrical contact, and FOREIGN PATENTS the projecting tongues on one of said approximately identical members being slightly displaced with respect to the E i; projecting tongues on the other of said approximately 1001221 8/1965 i i identical members. 5 rea H References Cited

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  • Connector Housings Or Holding Contact Members (AREA)
US609413A 1966-02-23 1967-01-16 Electrical plug with flexible contact member Expired - Lifetime US3400360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET0030554 1966-02-23

Publications (1)

Publication Number Publication Date
US3400360A true US3400360A (en) 1968-09-03

Family

ID=7555659

Family Applications (1)

Application Number Title Priority Date Filing Date
US609413A Expired - Lifetime US3400360A (en) 1966-02-23 1967-01-16 Electrical plug with flexible contact member

Country Status (3)

Country Link
US (1) US3400360A (en))
BE (1) BE693629A (en))
NL (1) NL6701976A (en))

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2130729A1 (de) * 1970-06-22 1971-12-23 Bunker Ramo Elektrischer Verbinder
US3673545A (en) * 1969-11-10 1972-06-27 Bunker Ramo Miniature connector construction{13 adjustable or floating
US4275944A (en) * 1979-07-09 1981-06-30 Sochor Jerzy R Miniature connector receptacles employing contacts with bowed tines and parallel mounting arms
US4685886A (en) * 1986-06-27 1987-08-11 Amp Incorporated Electrical plug header
US7040915B1 (en) 2000-06-06 2006-05-09 Pollack George P Insulation displacement electrical plug assembly and method of making plug assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB869497A (en) * 1959-12-04 1961-05-31 Belling & Lee Ltd Improvements in or relating to electrical contacts
US2994056A (en) * 1955-12-13 1961-07-25 Fox Benjamin Printed circuit board connector
FR1399216A (fr) * 1963-06-21 1965-05-14 Hirschmann Radiotechnik Douille de prise de courant multipolaire pour plaques de circuits imprimés
GB1001221A (en) * 1963-01-02 1965-08-11 Pressac Ltd Connector for printed circuit boards

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994056A (en) * 1955-12-13 1961-07-25 Fox Benjamin Printed circuit board connector
GB869497A (en) * 1959-12-04 1961-05-31 Belling & Lee Ltd Improvements in or relating to electrical contacts
GB1001221A (en) * 1963-01-02 1965-08-11 Pressac Ltd Connector for printed circuit boards
FR1399216A (fr) * 1963-06-21 1965-05-14 Hirschmann Radiotechnik Douille de prise de courant multipolaire pour plaques de circuits imprimés

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673545A (en) * 1969-11-10 1972-06-27 Bunker Ramo Miniature connector construction{13 adjustable or floating
DE2130729A1 (de) * 1970-06-22 1971-12-23 Bunker Ramo Elektrischer Verbinder
US4275944A (en) * 1979-07-09 1981-06-30 Sochor Jerzy R Miniature connector receptacles employing contacts with bowed tines and parallel mounting arms
US4685886A (en) * 1986-06-27 1987-08-11 Amp Incorporated Electrical plug header
US7040915B1 (en) 2000-06-06 2006-05-09 Pollack George P Insulation displacement electrical plug assembly and method of making plug assembly

Also Published As

Publication number Publication date
NL6701976A (en)) 1967-08-24
BE693629A (en)) 1967-07-17

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Legal Events

Date Code Title Description
AS Assignment

Owner name: ALLIED CORPORATION COLUMBIA ROAD AND PARK AVENUE,

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BUNKER RAMO CORPORATION A CORP. OF DE;REEL/FRAME:004149/0365

Effective date: 19820922