US3601738A - Protection units and mounting tool - Google Patents

Protection units and mounting tool Download PDF

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Publication number
US3601738A
US3601738A US777716A US3601738DA US3601738A US 3601738 A US3601738 A US 3601738A US 777716 A US777716 A US 777716A US 3601738D A US3601738D A US 3601738DA US 3601738 A US3601738 A US 3601738A
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US
United States
Prior art keywords
pair
terminals
unit
terminal block
fuse
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
US777716A
Inventor
Oscar Wuyts
Herman Johan Kruse
Sylvere Jules Staelens
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.)
Alcatel Lucent NV
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of US3601738A publication Critical patent/US3601738A/en
Assigned to ALCATEL N.V., DE LAIRESSESTRAAT 153, 1075 HK AMSTERDAM, THE NETHERLANDS, A CORP OF THE NETHERLANDS reassignment ALCATEL N.V., DE LAIRESSESTRAAT 153, 1075 HK AMSTERDAM, THE NETHERLANDS, A CORP OF THE NETHERLANDS ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: INTERNATIONAL STANDARD ELECTRIC 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
    • H01H69/02—Manufacture of fuses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/044—General constructions or structure of low voltage fuses, i.e. below 1000 V, or of fuses where the applicable voltage is not specified
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/44—Structural association with a spark-gap arrester
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection

Abstract

A housing to support fuse wires is provided for a miniature main distribution frame. The housing is made compatible with printed circuit card techniques. A tool is supplied to enable the mounting of fuse wires into the fuse housing.

Description

United States Patent Inventors Oscar Wnyts Bevern-Wass; Herman Johan Kruse, Atwerp; Sylvere Jules Staelens, Atwerp, allot, Belgium Appl. No. 777,716 Filed Nov. 21, I968 Patented Aug. 24, 1971 Assignee International Standard Electric Corporation New York, N.Y. Priority Nov. 27, 1967 Netherlands 6,716,075
PROTECTION UNITS AND MOUNTING TOOL 1 Claim, 2 Drawing Figs.
I-IOlh 85/20, l-IOlh 85/48 Field orsmdi 337/186,
[56] References Cited UNITED STATES PATENTS 2,119,921 6/1938 Levy 46/25 3,479,763 11/1969 Fischer.... 46/25 1,238,690 8/1917 Knott 337/197 1,714,866 5/1929 Green 337/197 2,849,573 8/1958 Keeler 337/269 3,121,598 2/1964 Marasco.. 339/91 X 3,192,499 6/1965 West 339/91 FOREIGN PATENTS 340,729 5/1936 Italy 337/197 Primary Examiner--Bemard A. Gilheany Assistant Examiner-Dewitt M. Morgan Attorneys-C. Cornell Remsen, Jr., Walter J. Baum, Rayson P. Morris, Percy P. Lantzy, Delbert P. Warner and J. Warren Whitesel ABSTRACT: A housing to support fuse wires is provided for a miniature main distribution frame. The housing is made compatible with printed circuit card techniques. A tool is supplied to enable the mounting of fuse wires into the fuse housing.
PATENTED Auazmsn 3,601,738
SHEET 2 [1F 2 PROTECTION UNITS AND MOUNTING TOOL The present invention relates to a fuse-carrying unit for equipping the distribution frame of a telecommunication exchange. The unit is assigned to a respective line and includes a housing, a first and a second pair of connection terminals and a pair of fuses through-connecting said first and said second pair of terminals.
Such a fuse carrying unit is disclosed in British Pat. No. 889,810. This known fuse-carrying unit has the drawback that it can only be used with special jacks having successive rows on the line side of the main distribution frame which must be spaced from one another to enable plugging in or removal of the above units from a lateral side of the jacks.
An object of the present invention is to provide a fuse carrying unit of the above type, which does not present the mentioned drawback.
The present fuse-carryingunit is notable for the fact that it has first and said second pairs of terminals which are constituted by a pair of female and a pair of male terminals. The pairs of terminals are located at opposite ends of said unit for receiving a pair of male terminals of a terminal block of the frame and a pair of jumper conductors, respectively.
The present invention also relates to a tool for mounting components on a support. Such tools are well known in the art.
Another object of the present invention is to provide an improved too] for mounting components on a support.
The present tool is characterized by the fact, that it includes cutting blades. A component having to be mounted on said support is placed across said free ends by having its terminals bent and secured on the external part of the sidewalls of said blades. After said component has been fixed, e.g. soldered, on said support the superfluous ends thereof are cut out by pressing said U-shaped piece towards the. support.
The above-mentioned and other objects and features of the invention will become more apparent and the invention itself will be best understood by referring to the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 schematically shows in a perspective view a fuse-carrying unit in accordance with the invention;
FIG. 2 schematically shows a tool, in accordance with the invention, which is being used for mounting the fuses on the fuse-carrying unit of FIG. 1.
Referring to FIG. 1, there is shown a fuse-carrying unit 1. The unit 1 is positioned so that it is partially plugged into a terminal block part 2 of the main distribution frame (not shown) of a telecommunication exchange. The fuse-carrying unit 1 is formed by an insulating housing 6 the upper side of which has been cut away partially in this schematic representation to show its inner constituent parts. The unit 1 is thus shown to include a pair of female and a pair of male terminals 4,4 and 3,3 (terminal 4 is not shown) located at the two opposite ends of the unit 1 and to include a pair of fuses 5,5 (fuse 5 is not shown) through-connecting the terminals 4,4 and 3,3 respectively. The pair of male terminals 3,3 receives the pair of jumper conductors 9,9 of a respective line (not shown) whereas the pair of female terminals 4,4 receive the pair of male terminals 10,10 of the block 2 which correspond to the considered line. The housing 6 is provided with a removable cover 8 at the location of the fuses 5 and 5 for enabling their mounting or eventually their replacement. The housing 6 further has a. stud 7 which, when the unit 1 is pushed towards the terminal block 2, is engaged into the elastic slot 11 thereof to lock unit 1 on block 2. In this manner, close packing of the units is permitted and when it is desired to withdraw a unit 1 by pulling on its terminals 3,3 (an adequately narrow tool to squeeze and pull the latter should be used), the friction on the ad'acent units 1 will be insufficient to dislod e them.
he fuses 5,5 are mounted on the unit by means of the tool shown in FIG. 2. This tool comprises a substantially U- shaped piece 12 whose free ends are constituted by cutting blades 15. A fuse wire, e.g. fuse wire 5, is placed across the above cutting blades 15 by having its ends bent and engaged between the external part of the blades 15 and the springs 14.
After the fuse wire 5 is put in its position on the fuse-carrying unit 1, it is soldered thereon by means of a twin soldering head 13. Subsequent pressure of the U-shaped piece 12 towards the unit 1 causes the cutting out of the superfluous ends of fuse 5.
When lightning protection must also be provided for all or part of the telephone lines of the exchange, for instance the aerial lines, a similar protection unit (not shown) may be provided. This unit, in addition to the pair of fuses, carries a pair of lightning arrestors of the carbon type, as well as a third female terminal parallel with the other two for receiving a respective third male terminal of the terminal block 2, which is connected to ground. The above two lightning arrestors through-connect the aforementioned two female terminals to the third one of the protection unit. In order to enable the mounting of protection units of the two types on the same main distributing frame, the spacing between the two outer terminals of the lightning protection unit should be twice the spacing between adjacent terminals of either protection unit.
While the principles of the invention have been described above in connection with specific apparatus, it is to be clearly understood that this description is made only by way of example and not as a limitation on the scope of the invention.
What is claimed is:
1. A fuse-carrying unit and terminal block assembly for equipping the distribution frame of a telecommunication exchange, said unit, which is assigned to a particular line, including a housing, a first and a second pair of connection terminals, and a pair of fuses through-connecting said first and said second pair of terminals, wherein the improvement comprises a housing unit, a first pair and a second pair of terminals, a pair of fuses in the form of two fuse wires soldered respectively to the first and second pairs of terminals for through-connecting said first and said second pairs of terminals, said pairs of terminals including a pair of female and a pair of male terminals located at opposite ends of said unit, said female terminals receiving a pair of make terminals of said terminal block, said male terminals adapted to receive a pair of jumper conductors, locking means provided with said unit to be locked at said terminal block, said locking means including a stud provided at the end of the housing unit carrying said pair of female terminals and the terminal block incor porating a slot for receiving and securing the stud, said stud being engaged by pressure in a corresponding elastic counter recess in the form of a slot in the end of said terminal block, and jumper conductors wound on said male terminals to establish a connection to a distribution frame.

Claims (1)

1. A fuse-carrying unit and terminal block assembly for equipping the distribution frame of a telecommunication exchange, said unit, which is assigned to a particular line, including a housing, a first and a second pair of connection terminals, and a pair of fuses through-connecting said first and said second pair of terminals, wherein the improvement comprises a housing unit, a first pair and a second pair of terminals, a pair of fuses in the form of two fuse wires soldered respectively to the first and second pairs of terminals for through-connecting said first and said second pairs of terminals, said pairs of terminals including a pair of female and a pair of male terminals located at opposite ends of said unit, said female terminals receiving a pair of make terminals of said terminal block, said male terminals adapted to receive a pair of jumper conductors, locking means provided with said unit to be locked at said terminal block, said locking means including a stud provided at the end of the housing unit carrying said pair of female terminals and the terminal block incOrporating a slot for receiving and securing the stud, said stud being engaged by pressure in a corresponding elastic counter recess in the form of a slot in the end of said terminal block, and jumper conductors wound on said male terminals to establish a connection to a distribution frame.
US777716A 1967-11-27 1968-11-21 Protection units and mounting tool Expired - Lifetime US3601738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6716075A NL6716075A (en) 1967-11-27 1967-11-27

Publications (1)

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US3601738A true US3601738A (en) 1971-08-24

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US777716A Expired - Lifetime US3601738A (en) 1967-11-27 1968-11-21 Protection units and mounting tool

Country Status (10)

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US (1) US3601738A (en)
BE (1) BE724474A (en)
BR (1) BR6804351D0 (en)
CH (1) CH485378A (en)
DE (1) DE1809834A1 (en)
FR (1) FR1601462A (en)
GB (1) GB1202638A (en)
IE (1) IE32499B1 (en)
NL (1) NL6716075A (en)
NO (1) NO127218B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3962246A1 (en) 2020-08-28 2022-03-02 Unitechnologies SA Soldering method and device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1238690A (en) * 1916-12-09 1917-08-28 Edward Downman Knott Fuse-plug.
US1714866A (en) * 1928-01-27 1929-05-28 George H Calvert Jr Fuse box
US2119921A (en) * 1936-03-12 1938-06-07 Premo Rubber Company Ltd Toy building blocks, tiles, bricks, and the like
US2849573A (en) * 1956-10-25 1958-08-26 Gilbert Mfg Co Inc Electrical fuse and plug-in receptacle combination
US3121598A (en) * 1960-10-04 1964-02-18 Nottingham & Co Inc J B Electrical connector assembly
US3192499A (en) * 1961-01-05 1965-06-29 Gen Motors Corp Safety fastening means
US3479763A (en) * 1964-11-13 1969-11-25 Artur Fischer Assembly kit having dovetail connection with reduced contact area

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1238690A (en) * 1916-12-09 1917-08-28 Edward Downman Knott Fuse-plug.
US1714866A (en) * 1928-01-27 1929-05-28 George H Calvert Jr Fuse box
US2119921A (en) * 1936-03-12 1938-06-07 Premo Rubber Company Ltd Toy building blocks, tiles, bricks, and the like
US2849573A (en) * 1956-10-25 1958-08-26 Gilbert Mfg Co Inc Electrical fuse and plug-in receptacle combination
US3121598A (en) * 1960-10-04 1964-02-18 Nottingham & Co Inc J B Electrical connector assembly
US3192499A (en) * 1961-01-05 1965-06-29 Gen Motors Corp Safety fastening means
US3479763A (en) * 1964-11-13 1969-11-25 Artur Fischer Assembly kit having dovetail connection with reduced contact area

Also Published As

Publication number Publication date
IE32499B1 (en) 1973-08-22
NO127218B (en) 1973-05-21
FR1601462A (en) 1970-08-24
NL6716075A (en) 1969-05-29
BR6804351D0 (en) 1973-01-16
GB1202638A (en) 1970-08-19
IE32499L (en) 1969-05-22
DE1809834A1 (en) 1969-08-28
CH485378A (en) 1970-01-31
BE724474A (en) 1969-05-27

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Date Code Title Description
AS Assignment

Owner name: ALCATEL N.V., DE LAIRESSESTRAAT 153, 1075 HK AMSTE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:INTERNATIONAL STANDARD ELECTRIC CORPORATION, A CORP OF DE;REEL/FRAME:004718/0023

Effective date: 19870311