US1875241A - Electrical cord terminal - Google Patents

Electrical cord terminal Download PDF

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Publication number
US1875241A
US1875241A US420349A US42034930A US1875241A US 1875241 A US1875241 A US 1875241A US 420349 A US420349 A US 420349A US 42034930 A US42034930 A US 42034930A US 1875241 A US1875241 A US 1875241A
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United States
Prior art keywords
terminal
cord
conductor
electrical cord
cord terminal
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Expired - Lifetime
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US420349A
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Joseph A Idank
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General Electric Co
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General Electric Co
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Priority to US420349A priority Critical patent/US1875241A/en
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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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/023—Soldered or welded connections between cables or wires and terminals
    • H01R4/024—Soldered or welded connections between cables or wires and terminals comprising preapplied solder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/027—Soldered or welded connections comprising means for positioning or holding the parts to be soldered or welded

Definitions

  • the present invention relates to electrical wire connectors and more especially to cord terminals.
  • the object of the invention is the provision of an improved cord terminal which may be effectively and permanently joined with facility to the bared end of a wire or other electrical conductor.
  • FIG. 1 is a plan view of my cord terminal with the end of a wire connected thereto by a single turn;
  • Fig. 2 is an end elevation thereof;
  • Fig. 3 is similar to Fig. 1 with the end of the wire connected thereto by a double turn, and
  • Fig. 4 is an end view thereof.
  • the cord terminal consists of a thin strip or punching 1 of sheet metal, such as copper or bronze, with parallel sides and round upper end in which is a hole 2 for engagement with a binding post or other connecting means (not shown).
  • a shallow notch 3 is provided, and extending in from opposite edges to the center are diagonal substantially parallel slots 4 and 5.
  • the left-hand slot 4 is somewhat nearer the-lower end than the right-hand slot 5, so that their innermost ends are separated by an integral section 6 of the punching. Adjacent the left side of the punching and between the slot 4 and the upper end, there is a small hole 7 of a size to permit the end of the bared end of the core 8 to be readily threaded therethrough.
  • the punched metal terminal is also provided with a coating of tin or solder 9.
  • the cord 8 is usually composed of a plurality of fine wires encased in insulation 10 which is removed from the end of the cord by stripping.
  • the method of attaching the bared end of I the stripped conductor 8 t0 the terminal 1 is as follows: The end of the conductor after having been stripped and fiuxed is passed a short distance through the small hole 7 and by a right-hand turn or twist is passed into the diagonal right-hand slot 5, then beneath the integral section 6, into the left-hand diagonal slot 4 and brought down into the notch 3 at the lower end of the terminal and drawn taut.
  • the conductor is, by reason of its interlacing with the slotted terminal, held fast in the desired relation thereto and is thereafter permanently connected by mere application of heat by means of an ordinary soldering iron or other suitable heating appliance.
  • the heat is readily conducted to the solder at the back as well as at the front and a perfectly soldered joint is effected between the conductor 8 and both sides of the punching 1.
  • the cord after its end has been engaged in the small hole 7 is, as shown in Figs. 3 and 4, brought down to the left-hand slot 4 carried under the integral section 6, through the right-hand slot 5, passed over the section 6 again through the left-hand slot 4 and out by the end notch 3.
  • the diagonal disposition of the side slots 4 and 5 serves both to facilitate the entrance of the cord therein after the tip end has been entered in the aperture 7 and to retain it in place until the soldered unions with the punched terminal have been completed.
  • a cord terminal comprising a fiat strip of sheet metal having means at one end for engagement with a binding post, an intermediate aperture therein, and disaligned slots extending inwardly from opposite longitudinal edges thereof whereby the bared end of a flexible electrical conductor may be attached thereto by entering its extreme end in said intermediate aperture and wrapping the body of the conductor into said slots.
  • a cord conductor comprising a metal strip coated with soft metal and having means at one end for engagement with a binding post, a. cord holding notch at the opposite end, an intermediate aperture. and two disaligned diagonal slots extending therein from opposite longitudinal edges substantial- 1y to the center thereof.

Description

Aug. 39, 1932. A: NK 1,875,241
ELECTRICAL CORD TERII NAL Filed Jan. 13, 1930 Inventor; Joseph A. lclanK,
b MW' His Attofnc p Patented Aug. 30, 1932 UNITED STATES PATENT OFFICE JOSEPH A. IDi ANK, OF LON G ISLAND CITY, N EW YORK, ASSIGNOR TO GENERAL ELECTRIC COMPANY, A CORPORATION OF NEW YORK ELECTRICAL CORD TERMINAL Application filed January 13, 1930. Serial No. 420,349.
The present invention relates to electrical wire connectors and more especially to cord terminals.
The object of the invention is the provision of an improved cord terminal which may be effectively and permanently joined with facility to the bared end of a wire or other electrical conductor.
One embodiment of the invention is shown in the accompanying drawing, in which Fig. 1 is a plan view of my cord terminal with the end of a wire connected thereto by a single turn; Fig. 2 is an end elevation thereof; Fig. 3 is similar to Fig. 1 with the end of the wire connected thereto by a double turn, and Fig. 4 is an end view thereof.
As shown in the drawing, the cord terminal consists of a thin strip or punching 1 of sheet metal, such as copper or bronze, with parallel sides and round upper end in which is a hole 2 for engagement with a binding post or other connecting means (not shown). In the lower end of the tip a shallow notch 3 is provided, and extending in from opposite edges to the center are diagonal substantially parallel slots 4 and 5. The left-hand slot 4: is somewhat nearer the-lower end than the right-hand slot 5, so that their innermost ends are separated by an integral section 6 of the punching. Adjacent the left side of the punching and between the slot 4 and the upper end, there is a small hole 7 of a size to permit the end of the bared end of the core 8 to be readily threaded therethrough. The punched metal terminal is also provided with a coating of tin or solder 9.
The cord 8 is usually composed of a plurality of fine wires encased in insulation 10 which is removed from the end of the cord by stripping.
The method of attaching the bared end of I the stripped conductor 8 t0 the terminal 1 is as follows: The end of the conductor after having been stripped and fiuxed is passed a short distance through the small hole 7 and by a right-hand turn or twist is passed into the diagonal right-hand slot 5, then beneath the integral section 6, into the left-hand diagonal slot 4 and brought down into the notch 3 at the lower end of the terminal and drawn taut. The conductor is, by reason of its interlacing with the slotted terminal, held fast in the desired relation thereto and is thereafter permanently connected by mere application of heat by means of an ordinary soldering iron or other suitable heating appliance. On account of the relative thinness of the metal of the terminal, the heat is readily conducted to the solder at the back as well as at the front and a perfectly soldered joint is effected between the conductor 8 and both sides of the punching 1.
Where it is desired to make a more extensive soldered joint between the conductor and punching, the cord after its end has been engaged in the small hole 7 is, as shown in Figs. 3 and 4, brought down to the left-hand slot 4 carried under the integral section 6, through the right-hand slot 5, passed over the section 6 again through the left-hand slot 4 and out by the end notch 3.
The diagonal disposition of the side slots 4 and 5 serves both to facilitate the entrance of the cord therein after the tip end has been entered in the aperture 7 and to retain it in place until the soldered unions with the punched terminal have been completed.
What I claim as new and desire to secure by Letters Patent of the United States is:
1. A cord terminal comprising a fiat strip of sheet metal having means at one end for engagement with a binding post, an intermediate aperture therein, and disaligned slots extending inwardly from opposite longitudinal edges thereof whereby the bared end of a flexible electrical conductor may be attached thereto by entering its extreme end in said intermediate aperture and wrapping the body of the conductor into said slots.
2. A cord conductor comprising a metal strip coated with soft metal and having means at one end for engagement with a binding post, a. cord holding notch at the opposite end, an intermediate aperture. and two disaligned diagonal slots extending therein from opposite longitudinal edges substantial- 1y to the center thereof.
In witness whereof, I have hereunto set my hand this 9th day of January, 1930.
JOSEPH A. IDANK.
US420349A 1930-01-13 1930-01-13 Electrical cord terminal Expired - Lifetime US1875241A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513365A (en) * 1945-05-18 1950-07-04 Burndy Engineering Co Inc Soldered aluminum-to-copper connection
US2585869A (en) * 1947-12-15 1952-02-12 Speckman John Peter Light reflector attachment for use on dry cells
US2759161A (en) * 1953-01-13 1956-08-14 Aircraft Marine Prod Inc Electrical connector and method
US2795770A (en) * 1953-09-21 1957-06-11 Jasper Blackburn Products Corp Wire clamp with low-resistance liner
US2882515A (en) * 1955-05-23 1959-04-14 James P Watson Spiral terminal
US3005170A (en) * 1959-09-08 1961-10-17 Budd Co Printed-circuit type lead wire connectors
US3041387A (en) * 1959-10-05 1962-06-26 Calvin E Moeller Thermocouple wire connection
US3478303A (en) * 1966-12-09 1969-11-11 William C Dauser Electrical connector
FR2458135A1 (en) * 1979-05-31 1980-12-26 Landis & Gyr Ag COIL POT WITH CONNECTING TERMINALS FOR ELECTRICAL DEVICES
US4792309A (en) * 1985-07-05 1988-12-20 Chu Alan C Electrical plug with molded on prongs and detachable wire loops
US5121056A (en) * 1989-04-26 1992-06-09 Mitsubishi Denki K.K. Pulse generator for use in a speed sensor
DE4212883A1 (en) * 1991-04-19 1992-10-22 Mitsubishi Electric Corp TEMPERATURE PROBE
US6537113B1 (en) * 2002-01-23 2003-03-25 Delta Electronics, Inc. Structure of pin for ac connector and process for fastening wire onto same
US20050026514A1 (en) * 2003-07-30 2005-02-03 Zhou Hong Bin Cable connector assembly and method of making the same

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513365A (en) * 1945-05-18 1950-07-04 Burndy Engineering Co Inc Soldered aluminum-to-copper connection
US2585869A (en) * 1947-12-15 1952-02-12 Speckman John Peter Light reflector attachment for use on dry cells
US2759161A (en) * 1953-01-13 1956-08-14 Aircraft Marine Prod Inc Electrical connector and method
US2795770A (en) * 1953-09-21 1957-06-11 Jasper Blackburn Products Corp Wire clamp with low-resistance liner
US2882515A (en) * 1955-05-23 1959-04-14 James P Watson Spiral terminal
US3005170A (en) * 1959-09-08 1961-10-17 Budd Co Printed-circuit type lead wire connectors
US3041387A (en) * 1959-10-05 1962-06-26 Calvin E Moeller Thermocouple wire connection
US3478303A (en) * 1966-12-09 1969-11-11 William C Dauser Electrical connector
FR2458135A1 (en) * 1979-05-31 1980-12-26 Landis & Gyr Ag COIL POT WITH CONNECTING TERMINALS FOR ELECTRICAL DEVICES
US4792309A (en) * 1985-07-05 1988-12-20 Chu Alan C Electrical plug with molded on prongs and detachable wire loops
US5121056A (en) * 1989-04-26 1992-06-09 Mitsubishi Denki K.K. Pulse generator for use in a speed sensor
DE4212883A1 (en) * 1991-04-19 1992-10-22 Mitsubishi Electric Corp TEMPERATURE PROBE
US5222811A (en) * 1991-04-19 1993-06-29 Mitsubishi Denki Kabushiki Kaisha Lead wire connection for a temperature sensor
DE4212883C2 (en) * 1991-04-19 1999-04-01 Mitsubishi Electric Corp Temperature sensor
US6537113B1 (en) * 2002-01-23 2003-03-25 Delta Electronics, Inc. Structure of pin for ac connector and process for fastening wire onto same
US20050026514A1 (en) * 2003-07-30 2005-02-03 Zhou Hong Bin Cable connector assembly and method of making the same
US7008273B2 (en) * 2003-07-30 2006-03-07 Hon Hai Precision Ind. Co., Ltd Cable connector assembly and method of making the same

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