US2845108A - Electrical terminal applicator - Google Patents

Electrical terminal applicator Download PDF

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Publication number
US2845108A
US2845108A US521966A US52196655A US2845108A US 2845108 A US2845108 A US 2845108A US 521966 A US521966 A US 521966A US 52196655 A US52196655 A US 52196655A US 2845108 A US2845108 A US 2845108A
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Prior art keywords
ram
terminal
crimping
strip
ferrule
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Expired - Lifetime
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US521966A
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English (en)
Inventor
Kemper M Hammell
Duks Mrs Karlis
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TE Connectivity Corp
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AMP Inc
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Priority to CA623909A priority Critical patent/CA623909A/en
Priority to NL266916D priority patent/NL266916A/xx
Priority to NL122122D priority patent/NL122122C/xx
Priority to BE548578D priority patent/BE548578A/xx
Priority to US521966A priority patent/US2845108A/en
Application filed by AMP Inc filed Critical AMP Inc
Priority to FR1154694D priority patent/FR1154694A/fr
Priority to GB17803/56A priority patent/GB797779A/en
Priority to DEA25077D priority patent/DE1130025B/de
Priority to CH352720D priority patent/CH352720A/de
Application granted granted Critical
Publication of US2845108A publication Critical patent/US2845108A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/42Oxazoles
    • A61K31/424Oxazoles condensed with heterocyclic ring systems, e.g. clavulanic acid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/425Thiazoles
    • A61K31/429Thiazoles condensed with heterocyclic ring systems
    • A61K31/43Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula, e.g. penicillins, penems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/425Thiazoles
    • A61K31/429Thiazoles condensed with heterocyclic ring systems
    • A61K31/43Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula, e.g. penicillins, penems
    • A61K31/431Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula, e.g. penicillins, penems containing further heterocyclic rings, e.g. ticarcillin, azlocillin, oxacillin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/439Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom the ring forming part of a bridged ring system, e.g. quinuclidine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445Non condensed piperidines, e.g. piperocaine
    • A61K31/4523Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
    • A61K31/4545Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/468-Azabicyclo [3.2.1] octane; Derivatives thereof, e.g. atropine, cocaine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/496Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/535Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
    • A61K31/53751,4-Oxazines, e.g. morpholine
    • A61K31/53771,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/535Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
    • A61K31/53751,4-Oxazines, e.g. morpholine
    • A61K31/53831,4-Oxazines, e.g. morpholine ortho- or peri-condensed with heterocyclic ring systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/54Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame
    • A61K31/542Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/545Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins, cefaclor, or cephalexine
    • A61K31/546Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins, cefaclor, or cephalexine containing further heterocyclic rings, e.g. cephalothin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/08Bridged systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D498/00Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D498/02Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D498/04Ortho-condensed systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D519/00Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048Crimping apparatus or processes
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/51Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5102Binding or covering and cutting
    • Y10T29/5103Cutting covering material only
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/51Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5136Separate tool stations for selective or successive operation on work
    • Y10T29/5137Separate tool stations for selective or successive operation on work including assembling or disassembling station
    • Y10T29/5142Separate tool stations for selective or successive operation on work including assembling or disassembling station and means to sever work from supply
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/5313Means to assemble electrical device
    • Y10T29/532Conductor
    • Y10T29/53209Terminal or connector
    • Y10T29/53213Assembled to wire-type conductor
    • Y10T29/53235Means to fasten by deformation

Definitions

  • This invention relates to a terminal applicator construction for automatically applying an electrical terminal or connector to a conductor wire. More particularly this invention relates to an applicator for applying terminals wherein a plurality of operations or functions must be sequentially performed in effecting the cold-forging or crimping of the terminal to the wire such as is required, for example, in applying the terminals disclosed in the copending application, Serial No. 431,870, filed May 24, 1954, by Kemper M. Hammell or in the copending application, Serial No. 431,871, filed May 24, l954, by Karlis Duks.
  • each terminal includes a ferrule-forming portion having a base section and an ear projecting upwardly from one side of the base section, which ear is adapted to be curled around a conductor disposed along the base and threaded through a slot in and directed across the underside of the base, subsequently to be indented into and with the base thereby to produce a voidless and locked crimped connection.
  • a contact portion which typically may comprise a tab receiving receptacle.
  • Such terminals per so are not a part of this invention and other modifications of preformed terminals susceptible of automatic application may be applied in accordance with the principles of this invention as will readily occur to those skilled in the art.
  • Another object is to provide an automatic terminal applying machine for effecting in one downward stroke of the applicator ram a multiple-action crimping operation.
  • a further object is to provide an automatic applicator machine for applying open-barrel flag-type terminals intermediate or at the end of a conductor.
  • Still another object is to provide a terminal applicator machine for applying terminals from a reel wherein the strip of terminals forming the reel is positively registered and secured in the crimping region.
  • Figure 1 is a partially exploded perspective view of an illustrative machine embodying the invention
  • Figure 2 is a fragmentary sectional view taken at lines 2-2 of Figure 1;
  • Figure 3 is a view for the purpose of illustrating the action of certain parts of the machine, and is taken generally at section lines 3--3 of Figure 2;
  • Figure 4 is a view similar to Figure 3, but with the machine being illustrated in a different phase in the operating cycle;
  • Figure 5 is a fragmentary perspective view taken from the rear of the machine as viewed in Figure 1;
  • Figure 6 is an enlarged fragmentary sectional view taken generally at lines 66 of Figure 5, additionally showing in a different phase in the operating cycle a portion of the terminal strip and ram structure of the machine for purposes of explanation;
  • Figure 7 is a view similar to Figure 6, but with the machine being shown at another point in the operating cycle;
  • Figures 8a and 8b are diagrammatic views for the purpose of explaining the operation of certain parts of the machine applicator assembly
  • Figure 9 is a fragmentary sectional view taken at lines 99 of Figure 2;
  • Figure 10 is a view similar to Figure 9 with the machine being in a dilferent phase of the operating cycle;
  • FIG 11 is a fragmentary sectional view taken at lines 11-11 of Figure 2;
  • Figure 12 is a fragmentary sectional view taken at lines 12-42 of Figure 2;
  • Figures 13a, 13b and are views sectionally taken through the die parts which support the terminal to be crimped and on an enlarged scale for diagrammatically illustrating various stages in the formation of a closed wire barrel from the ferrule-forming portions of the terminal during the crimping operation;
  • Figure 14 is a plan view of several of the terminals in strip form adapted to be crimped by the applicator assembly.
  • Figure 15 is a fragmentary sectional view taken at lines 15-15 of Figure 2.
  • the illustrative embodiment of the terminal applicator includes, in general, a terminal guide and feeding assembly, generally designated at 10, and a terminal strip severing and crimping assembly, generally designated at 12. It is contemplated that assemblies 10 and 12 will be mounted in and driven by a conventional power press (not shown) which commonly includes a press bed, a ram movable along a confined path toward and away from the press bed, and a power unit for driving the ram.
  • a conventional power press not shown
  • Such elements are conventional in the art, but for specific exemplary details of a press adaptable for use with the present invention, reference may be had to Patent No. 2,705,797, issued April 12, 1955, to George J. Handel Jr.
  • the terminal applicator is coupled to the power press by means of a base plate 14 mounted in fixed position on the press bed. Power is supplied to the applicator by means of the press ram 16, fragmentarily shown in Figure 1, which cyclically reciprocates toward and away from base plate 14 in response to a triggering mechanism, not shown, such as a micro-switch or foot pedal controlled by an operator.
  • a triggering mechanism not shown, such as a micro-switch or foot pedal controlled by an operator.
  • the illustrative machine is so constituted that upon each downward stroke of ram 16 a terminal is separated from a strip of terminals and crimped onto a conductor within the region of terminal application.
  • Figure 14 exemplifies the type of terminals in strip form adapted to be crimped by the applicator mechanism of the present invention.
  • the terminal strip comprises a series of preformed open-barreled terminals 18 joined in strip fashion by connecting links 20.
  • Each individual terminal 18 comprises a ferrule-forming portion including a base 22 along which a conductor is to be disposed and a pair of upstanding ears 24 and 26 which are adapted to be wrapped around a stripped portion and an insulated portion of the conductor respectively.
  • Extending from one side of base section 22 is a contact portion 28 of a shape designed to meet the requirements of a particular use, typically a tab-receiving receptacle as shown.
  • Ear 26 is adapted to be simply wrapped around the insulation of the conductor for insulation support.
  • Bar 24, as best shown in Figure 13, is also adapted to be wrapped around the conductor, but has an extension 30 for threading through a slot 32 in base 22 so as to be disposed across the underside of and subsequently indented into base 22 thereby locking ear 24 in ferrule-forming position.
  • a pair of auxiliary tabs 34 one of which is shown in Figure 13, may be struck down from base 22 so as to receive ear extension 30 therebetween for further securing and locking the ferrule upon being coined into the side edges of extension 30, all of the which is more particularly described in the aforesaid copending application, Serial No. 431,870.
  • Feeding and guide assembly 10 which serves to position terminals 18 sequentially in the assembly 12 for crimping will now be described.
  • the strip as it is fed from a reel of terminals, not shown, is advanced to the region of the application across the upper surface of platform 42, to be more completely described.
  • the leading end of the strip is supported from below by platform 42 and is prevented from moving sidewise on the surface of the platform to the left or right as viewed in Figures 11 and 12 by a guide channel 40 which substantially encloses and confines the strip as it moves into the channel at the end of platform 42 to the region of application.
  • the guide channel extends from the forward end of platform 42, on the right as viewed in Figure 1, through a floating drag block assembly 48, to be later described, guide plate 44 and the strip feeding mechanism which is disposed adjacent the region of application on platform 42.
  • the guide channel is shaped to meet the requirements of a particular use and, for the form of terminals chosen to illustrate the present invention, should be generally L-shaped so as to accommodate in an accurate fit the upstanding cars 24 and 26 and the laterally extending contact portion 28.
  • a groove 46 in platform 42 re ceives tabs 34 and has a depth such that the strip rides in channel 40 with the tabs free of contact with plat form 42.
  • ears 24 and 26 are confined by wall 50 in one direction and end face 52 of the base of L-shaped channel 40 confines the contact portion 28, Figure 12.
  • guide plate 44 shaped to provide the base part of the L-shaped channel, confines contact portions 28 of the strip against movement in one direction to approximately the region of application.
  • the feeding assembly serves to confine cars 24 and 26 to prevent movement of the strip laterally in the direction away from guide plate 44.
  • the feeding assembly includes a slide 54 mounted for reciprocatory motion above and along the strip by means of a pair of brackets 56 having grooves 58 in which the sides of the slide are received.
  • Slide 54 carries a bifurcated bracket 60 between the leaves of which is pivotally mounted by pivot pin 64 a feed lever 62.
  • Feed lever 62 is driven in coordination with ram 1.6 to effect a feeding operation in proper timed relationship by any suitable means such as a linkage connection with ram 16 or a separate air-driven unit as desired.
  • a plate 68 provided with a reces 70 defined by leaves 71 between which a strip feed finger 72 is pivotally mounted by pin 74.
  • Finger 72 is disposed horizontally relative to platform 42 and biased counterclockwise (Figure 2) out of recess 70 and into channel 40 by a spring 76 as best shown in Figures 2 and 11.
  • floating drag block assembly 48 To assure that the terminal strip be firmly held against platform 42 so as to prevent the strip from moving backwardly upon being engaged by cam surface 78 on the rearward stroke of slide 54, floating drag block assembly 48'supplies sufiicient downward pressure on the terminal strip to hold it in place by friction.
  • drag block assembly 48 includes a floating drag block 80 which overlies and forms a part of the terminal guide channel. Block 80 is retained in place by a pair of pins 82 which pass vertically through enlarged holes in the block and are rigidly carried by platform 42.
  • pins 82 are screw-threaded in platform 42, as shown, whereby the tension in springs 84 may be varied to provide an adjustment in the downward pressure on the strip.
  • a lever 88 integrally attached to block 80 serves as a convenient means for lifting the block against the spring pressure when a new strip of terminals is to be threaded into the applicator.
  • the downward pressure on the strip may be exerted generally on the body of the individual terminals forming the strip.
  • prebending of the more or less delicate upstanding ears 24 and 26 should be avoided, hence it is preferable that block 80 act on the more rugged .contact portion 28.
  • the portion of guide channel 40 contoured to receive the terminal ears has sufiicient height such that only face 89, overlying the contact portion 28 in the base portion of the L-shaped channel of block 80, engages the terminals.
  • feed finger 72 will ride to and fro within the guiding channel and will deliver the measured feeding stroke on its forward motion to advance the series of terminals in each cycle in the machine by an ,amount precisely equal to the distance between points of engagement on successive terminals.
  • drag block 80 supplies the holding power for the strip to assure camming of feed finger out of the guide channel until it has passed beyond the rear side edge of the terminal next to be engaged.
  • the applicator mechanism is designed to deliver the compound motion required to crimp the terminals such as have been selected to illustrate the present invention, that is, ear 24 must first be closed to ferrule-forming position with ear end 30 disposed across the underside of the ferrule base in a first phase of applicator operation while in a sequential phase of operation the terminal is more fully crirnped in voidless connection with the conductor and ear end 35) is locked to maintain ear 24 in ferrule-forming position.
  • the crimping assembly 12 is provided with a die.
  • the first pair of crimping dies includes curling dies 90 and 92 which act in cooperation with supporting die block 94 and are mounted on an open wall of upper die block 96 rigidly affixed to and driven by ram 16.
  • Curling dies 90 and 92 are channelled to provide a pair of rounded faces, such as die face 98 in Figure 1, which serve to 'curl ears 24 and 26 to have a generally cylindrical cross section and form the insulation and wire barrels respectively on downward movement of ram 16.
  • curling dies 90 and 92 are separate plates which are separably secured together and to block 96 by any suitable means whereby substitution of different dimensioned dies is permitted to provide for the crimping of terminals of differing sizes.
  • Supporting die block 94 mainly serves to support the body of a terminal during ferrule formation and is received in well 160 of platform 42 which, more specifically, is the upper surface of an elongated bar 101 pivotally mounted at one end on a pin 1692 carried by supporting blocks 104 rigidly mounted on base plate 14, and resiliently supported at the other end by spring 106, platform 42 thus being initially maintained horizontally and spatially disposed relative to base plate 14 for reasons to become more apparent hereinafter.
  • the upper level surface 168, Figure l, of die block 94 is provided with an elongated concave recess 1111 which is contoured to fit the concave and offset insulation ferruleforming portion of terminal 18, Figure 13.
  • the wire ferrule-forming portion of terminal 13 is received on anvil surface 112 of upper surface 108 and through which there is provided a slot or channel 114 that serves as a guide for bringing indentor 116, to be later described, into engagement with the bottom of the wire ferruleforming portion at tabs 34.
  • anvil surface 112 is provided with a downwardly inclined camming surface 113 which directs ear end 313 into channel 114 and across terminal base portion 22 during the curling action of ear 24.
  • Curling dies 9d and 92 on the initial portion of the downward stroke of ram 16 thus respectively form ear 26 into a ferrule tightly wrapped around the insulated portion of the wire and ear 24 loosely wrapped around the stripped portion of the wire as indicated in Figure 1312.
  • ear 26 has been left in its original upstanding position as the forming thereof will be apparent to those skilled in the art.
  • indentor 116 is relatively moved upwardly in channel 114 to coact with curling die face 98 which now serves mainly to support the terminal body during completion of the crimping action, Figure 130.
  • indentor 116 has generally an elongated and rounded indenting surface 120, and rigidly is affixed by standard 122 to base plate 14, well being continued thnough platform 42 at 123 in reduced cross-section to provide access to die block 94 from the underside of elongated bar 101, Figure 9.
  • the end face 124 of curling die 92 engages the lower level surface 126 of supporting die 94, Figure 10, and depresses or pivots rm 4?. about pivot pin 102 against the tension of Except for the pressure exerted by spring 1% through anvil 112 on the ferrule as thus far formed thereby counteracting any springback tendency of wrapped ear 24, die block 94 is effectively inactive during the second phase of operation.
  • spring 106 is sufficiently strong to maintain platform 42 of elongated bar 101 relatively immobile during the initial phase of the crimping operation and curling of ears 24 and 26, but should not require an undue amount of pressure from ram 16 to deflect in the second phase of the indenting operation. Moreover, spring 106 must be sufficiently elastic so as to return platform 42 to precisely the horizontal starting position at the end of each cycle of crimping operation even after a considerable number of application cycles. To assure that platform 42 and die block 94 are precisely positioned relative to curling dies 90 and 2 at the start of each cycle, spring 106 is prestressed whereby to bias the end of platform 42 against a pair of stops 123 on posts 130 rigidly mounted on base plate 14.
  • the point at which force is exerted by ram 16 on die block 94 in lowering platform 42 is intermediate the pivot point 1&2 and resilient support of elongated bar 191, and hence, spring 106 acts with a mechanical advantage thereby permitting the use of a lighter spring of less stringent qualities.
  • the pressure point on bar 161 is advantageously placed approximately one-third the distance along platform 42 to spring 1% from pivot point 102 providing a three-toone mechanical advantage for the spring.
  • Positioning plate 132 which restrains the contact portion 23 of the terminal against upward or lateral movement relative to platform 42 during crimping.
  • Positioning plate 132 includes an inte- 1 mat gral overhanging plate 134 which, with the upper surface of platform 42, provides a confining channel in which the end of contact portion 23 rides during the movement of the strip through the crimping region.
  • the leading connecting link 20 of the terminal strip is severed or slugged out to detach the leading terminal 18 from the strip.
  • a shear block 138 which, at the start of the crimping cycle, rests in contact with connecting link 20, as shown in Figure 6, is depressed, Figure 7, by shear block depressor 140 mounted on upper die block 96 with the result that the cutting edges 142 and 144 thereof, cooperating with the cutting edges of shear plates 146 and 148 respectively, sever the ends of the connecting link adjacent the two leading terminals as shown.
  • Shear plates 146 and 148 are received in slots 150 and 152 respectively in platform 42 and secured therein by positioning plate 132 which forcefully bears against the surface of platform 42 and the top surface of the shear plates on urging by threaded bolts 154 set in slots 156 of positioning plate 132 and screwed into platform 42.
  • slots 150 and 152 lead into well 100 so that shear plates 146 and 148 traverse the well extension 123 whereby the links 20 on being severed from the strip may drop through elongated bar 101, Figure 7, and be collected for disposal on base plate 14.
  • the cutting edge of shear plate 148 is the heel of a relatively thin blade abutted against die block 94 adjacent anvil surface 112 so that the connecting link will be severed as close to the terminal base as is practical thereby avoiding excessive stub lengths on the finished part.
  • shear block 138 To raise shear block 138 up from between shear plates 146 and 148 to permit the next terminal to be fed to crimping position on die block 94, the shear block is mounted on the end of supporting slide 158 which is received for sliding movement in channel 160 of platform 42. Extending laterally from supporting slide 158 is a pin 162 which is engaged by hooked lever 164 which is pivotally mounted on pin 166 rigidly attached to upper block 96, and raised on the upward stroke of ram 16 thus to elevate shear block 138 during the period in which the terminal strip is advanced by feeding mechanism 10.
  • shear block 138 is returned to position in contact with link 20 prior to the start of the crimping cycle whereby to secure the lead connector in crimping position in readiness for the operator to initiate the next crimping cycle.
  • hooked lever 164 is provided with a laterally extending cam block 168 which cooperates with a stationary cam roller 170 to swing lever 164 out of engagement with pin 162 just before ram 16 reaches the upward limit of its stroke, roller 17 being journaled on a pin 172 carried by a plate 174 fixed to base plate 14.
  • hooked lever 164 is formed in two parts, one slidably received in the other and biased to act as a unit only during normal operation.
  • the lower part of lever 164 is slidable in the upper part, tension spring 179 biasing the parts together by connection at one end to the upper part and at the other end to a pin 180 on the lower part extending through a slot 181 of the upper part.
  • ram 16 may complete its upward stroke, without a corresponding upward movement of the lower part of hooked lever 164, by extending spring 179 as pin 180 moves relatively in slot 181 thus effectively to decouple the shear block from the ram.
  • the front face 182 thereof With shear block 138 in contact with the strip and disposed adjacent the end of the terminal wire barrel prior to the initiation of the crimping cycle, the front face 182 thereof conveniently provides a wire stop limiting the ex nt to which the operator may insert the conductor within the crimping region.
  • the length of conductor to the right of the leading terminal must be laid in part 5 the upper surface of shear block 138.
  • the wire, 11' er should lie flat along terminal base portion 22, at least in the final stages of the crimping action, to obtain an optimum crimp.
  • a recess 184 in the top of the shear block in alignment with the longitudinal axis of the ferrule assures that the upper shear block surface is moved to a level below the terminal base on depression of the shear block by depressor 140.
  • FIG. 4 illustrates the relationship of the ram parts relative to the shear block, supporting die parts and the indentor at the limit of the downward stroke of the ram.
  • cam roller acts to release shear block 138 which then moves into engagement with the leading connector link 20 in severing position, shown in broken lines in Figure 3, the machine now awaiting the next triggering action initiated by the operator.
  • depressor 140 conveniently is screw-threaded into block 96 whereby to vary the time relationship in the applicator cycle when shear block is depressed.
  • the tension in platform spring 1% may also be adjustable, by any suitable means, so as to assure after prolonged use that the spring tension is sufficient to force the end of platform 42 against stops 128 in the rest position of the machine.
  • the form of the crimping dies is exemplary and that die parts of different configurations will be utilized in accordance with the design of the terminals and the crimping operations necessary to eifect the formation of the finished connection.
  • An applicator mechanism for applying to a conductor a connector having a ferrule-forming ear comprising an anvil resiliently mounted on the press bed of said mechanism and having a die face for supporting the connector in crimping position, guiding means in said die face, a ram movable toward and away from said bar, a crimping die on said ram for cooperation with said die face on movement of said ram toward said bar to curl the ear to form a ferrule, said guiding means being positioned to deflect the ear end across the bottom of the ferrule, the resilient mounting for said anvil being sufliciently stiff to maintain said die face in fixed position during ferrule formation, an indentor fixed relative to the press bed and relatively slidable in a channel in said anvil for indenting the ferrule bottom, and means coupled to said ram for depressing said anvil after ferrule formation to cause said indentor relatively to slide in said channel.
  • A11 applicator mechanism forapplying to a conductor a connector having a ferrule-forming ear and a slot for receiving the ear comprising an anvil resiliently mounted on the press bed of said mechanism and having a die face for supporting the connector in crimping position,
  • guiding means in said die face, a ram movable toward i and away from said anvil, a crimping die on said ram for cooperation with said die face on movement of said ram toward said anvil to curl the ear to form a ferrule and to thread the end of the ear through the slot, said guiding means being positioned to deflect the ear end across the bottom of the ferrule, the resilient mounting for said anvil being sufliciently stiff to maintain said anvil in fixed position during ferrule formation, an indentor fixed relative to the press bed and relatively slidable in a channel in said anvil for indenting the ear end into the ferrule bottom, and means coupled to said ram for depressing said anvil after ferrule formation to cause said indentor relatively to slide in said channel.
  • An applicator mechanism for applying to a conductor a connector having a ferrule-forming ear and a slot for receiving the ear comprising an elongated bar pivotally mounted at one end on the press bed of said mechanism, the other end of said bar being resiliently supported in a predetermined position relative to the press bed, an anvil mounted on said bar and having a die face for supporting the connector in crimping position, guiding means in said die face, a ram movable toward and away from said bar, a crimping die on said ram for cooperation With said die face on movement of said ram toward said bar to curl the ear to form a ferrule and to thread the end of the ear through the slot, said guiding means being positioned to deflect the ear end across the bottom of the ferrule, the resilient support for said bar being sufiiciently stiff to maintain said anvil in fixed position during ferrule formation, an indentor fixed relative to the press bed and relatively slidable in a channel in said anvil for inden
  • An applicator mechanism substantially as set forth in claim 3 wherein said anvil is mounted on said bar intermediate the pivotal and resiliently supported ends thereof to impart a mechanical advantage to the resilient support relative to the pressure exerted thereon by the ram.
  • An applicator mechanism for applying to a conductor a connector having a ferrule-forming ear and a slot for receiving the ear comprising an elongated bar pivotally mounted at one end on the press bed of said mechanism, the other end of said bar being resiliently supported in a predetermined position relative to the press bed, an anvil mounted on said bar and having a die face for supporting the connector in crimping position and a guide face, a ram movable toward and away from said bar, a crimping die on said ram for cooperation with said die face on movement of said ram toward said bar to curl the ear to form a ferrule and to thread the end of the ear through the slot, said guide face being positioned to deflect the ear end across the bottom of the ferrule, the resilient support being sufliciently stiif to maintain said anvil in fixed position during ferrule formation, an indentor fixed relative to the press bed and relatively slidable in a channel in said anvil for indenting the ear end into
  • An applicator mechanism for applying to a conductor a connector having a ferrule-forming ear and a slot for receiving the ear comprising an elongated bar pivotally mounted at one end on the press bed of said mechanism, the other end of said bar being resiliently supported in a predetermined position relative to the press bed, an anvil mounted on said bar and having a die face for supporting the connector in crimping position and a guide face, a ram movable toward and away from said bar, a crimping die on said ram for cooperation with said die face on movement of said ram toward said bar to curl the ear to form a ferrule and to thread the end of the ear through the slot, said guide face being positioned to deflect the ear end across the bottom of the ferrule, the resilient support being sufliciently stiff to maintain said anvil in fixed position during ferrule formation, an indentor fixed relative to the press bed and relatively slidable in a channel in said anvil for indenting the ear end into the ferr
  • a connector having a ferrule portion and, joined to like connectors in a strip
  • a frame an anvil mounted in said frame and having a shaped surface for supporting the lead connector during crimping of the ferrule
  • a ram movable toward and away from said surface and carrying crimping means to cooperate with said surface to crimp the ferrule portion in the toward movement of said ram
  • feeding means operative in timed relation with said ram to engage and move the connector strip subsequent to the crimping movement of said ram to position the lead connector on said anvil
  • a severing blade mounted in said frame adjacent said anvil and across which the strip is fed
  • a severing bar movably mounted in said frame in alignment with said severing blade and movable toward and away from said severing blade to cooperate therewith to detach the lead connector from the strip, said severing bar having a rest position wherein the portion of the strip joining the two leading
  • An applicator mechanism according to claim 9 wherein said severing bar has a surface disposed adjacent and extending substantially transversely to the anvil shaped surface when said severing bar is in said rest position to provide a wire stop to limit insertion of the conductor into the applicator.

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US521966A 1955-06-13 1955-06-13 Electrical terminal applicator Expired - Lifetime US2845108A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL122122D NL122122C (US07582779-20090901-C00044.png) 1955-06-13
BE548578D BE548578A (US07582779-20090901-C00044.png) 1955-06-13
CA623909A CA623909A (en) 1955-06-13 Electrical terminal applicator
NL266916D NL266916A (US07582779-20090901-C00044.png) 1955-06-13
US521966A US2845108A (en) 1955-06-13 1955-06-13 Electrical terminal applicator
FR1154694D FR1154694A (fr) 1955-06-13 1956-06-06 Applicateur de raccords électriques
GB17803/56A GB797779A (en) 1955-06-13 1956-06-08 Improvements in or relating to electrical terminal applicator
DEA25077D DE1130025B (de) 1955-06-13 1956-06-11 Maschine zum Befestigen der vorderen Klemme auf einem elektrischen Leiter
CH352720D CH352720A (de) 1955-06-13 1956-06-13 Vorrichtung zur Herstellung eines elektrischen Kabels mit einem Kupplungselement

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US521966A US2845108A (en) 1955-06-13 1955-06-13 Electrical terminal applicator

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US2845108A true US2845108A (en) 1958-07-29

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US521966A Expired - Lifetime US2845108A (en) 1955-06-13 1955-06-13 Electrical terminal applicator

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BE (1) BE548578A (US07582779-20090901-C00044.png)
CA (1) CA623909A (US07582779-20090901-C00044.png)
CH (1) CH352720A (US07582779-20090901-C00044.png)
DE (1) DE1130025B (US07582779-20090901-C00044.png)
FR (1) FR1154694A (US07582779-20090901-C00044.png)
GB (1) GB797779A (US07582779-20090901-C00044.png)
NL (2) NL122122C (US07582779-20090901-C00044.png)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947968A (en) * 1957-04-01 1960-08-02 Gen Electric Electrical termination
US2982329A (en) * 1957-10-31 1961-05-02 Kent Mfg Corp Apparatus for crimping an electric terminal member on a wire
US3070144A (en) * 1960-02-11 1962-12-25 Amp Inc Ladder strip applicator
US3076255A (en) * 1952-04-09 1963-02-05 Amp Inc Electrical connector and method of making the same
US3096136A (en) * 1957-10-31 1963-07-02 Kent Mfg Corp Wire-gripping part of electric terminal member
DE1156138B (de) * 1959-04-10 1963-10-24 Amp Inc Zufuehrungsstreifen zum Zufuehren elektrischer Verbindungsklemmen an ein Presswerkzeug
US3226812A (en) * 1964-07-02 1966-01-04 Young Otis Cecil Buckle bander
US3248784A (en) * 1963-09-18 1966-05-03 Philips Corp Apparatus for assembling parts
US3386153A (en) * 1965-09-23 1968-06-04 Amp Inc Method and apparatus for forming an insulated electrical connection
DE1515348B1 (de) * 1959-08-18 1970-07-16 Amp Inc Maschine zum Abisolieren von Schaltdrahtenden und zum Andrücken elektrischer Verbindungsklemmen
US3639966A (en) * 1970-06-18 1972-02-08 Herbert D Scharf Variable crimping eccentric press
US3641641A (en) * 1964-02-27 1972-02-15 Amp Inc Covering for a connecting member
US3810495A (en) * 1973-02-12 1974-05-14 Continental Drilling Co Automatic stapling system
US4261087A (en) * 1979-03-27 1981-04-14 Amp Incorporated Apparatus for connecting pairs of wires
US5277050A (en) * 1992-09-11 1994-01-11 Molex Incorporated Electrical connector crimping tool

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
SE8901128D0 (sv) * 1989-03-31 1989-03-31 Aweidmueller Gmbh & Co C Verktyg foer anbringande av kontakter
US4964200A (en) * 1989-08-22 1990-10-23 Amp Incorporated Lead making machine having improved crimping presses and actuating mechanism
JP3003546B2 (ja) * 1994-11-07 2000-01-31 住友電装株式会社 端子金具供給ユニットおよびそれを用いたマルチ圧着機

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US1642458A (en) * 1923-06-11 1927-09-13 American Can Co Apparatus for attaching handles to cleat plates
US2438023A (en) * 1943-09-15 1948-03-16 Western Electric Co Apparatus for cutting wires and forming and attaching a sleeve thereto
US2494137A (en) * 1945-08-21 1950-01-10 Electric Terminal Corp Method of attaching wire terminals
US2495009A (en) * 1944-03-13 1950-01-17 American Fastener Company Tool for attaching tangs to belts
US2567155A (en) * 1946-06-27 1951-09-04 Aircraft Marine Prod Inc Crimping die
US2585807A (en) * 1950-04-12 1952-02-12 Jr James G Mackechnie Wire stitching apparatus
US2592276A (en) * 1945-01-11 1952-04-08 Western Electric Co Article assembling apparatus
US2684421A (en) * 1950-07-21 1954-07-20 Gen Motors Corp Apparatus for forming terminals and attaching same to wires

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US1836497A (en) * 1929-10-21 1931-12-15 Delco Remy Corp Conductor splicing machine
US1873125A (en) * 1930-01-06 1932-08-23 Delco Remy Corp Apparatus for forming and attaching a terminal clip
US2705797A (en) * 1948-12-16 1955-04-12 Aircraft Marine Prod Inc Terminal applicator construction
US2690562A (en) * 1948-12-16 1954-10-05 Aircraft Marine Prod Inc Automatic terminal applying machine
US2684004A (en) * 1950-08-11 1954-07-20 Aircraft Marine Prod Inc Tool for crimping electrical connectors

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642458A (en) * 1923-06-11 1927-09-13 American Can Co Apparatus for attaching handles to cleat plates
US2438023A (en) * 1943-09-15 1948-03-16 Western Electric Co Apparatus for cutting wires and forming and attaching a sleeve thereto
US2495009A (en) * 1944-03-13 1950-01-17 American Fastener Company Tool for attaching tangs to belts
US2592276A (en) * 1945-01-11 1952-04-08 Western Electric Co Article assembling apparatus
US2494137A (en) * 1945-08-21 1950-01-10 Electric Terminal Corp Method of attaching wire terminals
US2567155A (en) * 1946-06-27 1951-09-04 Aircraft Marine Prod Inc Crimping die
US2585807A (en) * 1950-04-12 1952-02-12 Jr James G Mackechnie Wire stitching apparatus
US2684421A (en) * 1950-07-21 1954-07-20 Gen Motors Corp Apparatus for forming terminals and attaching same to wires

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076255A (en) * 1952-04-09 1963-02-05 Amp Inc Electrical connector and method of making the same
US2947968A (en) * 1957-04-01 1960-08-02 Gen Electric Electrical termination
US2982329A (en) * 1957-10-31 1961-05-02 Kent Mfg Corp Apparatus for crimping an electric terminal member on a wire
US3096136A (en) * 1957-10-31 1963-07-02 Kent Mfg Corp Wire-gripping part of electric terminal member
DE1156138B (de) * 1959-04-10 1963-10-24 Amp Inc Zufuehrungsstreifen zum Zufuehren elektrischer Verbindungsklemmen an ein Presswerkzeug
DE1515348B1 (de) * 1959-08-18 1970-07-16 Amp Inc Maschine zum Abisolieren von Schaltdrahtenden und zum Andrücken elektrischer Verbindungsklemmen
US3070144A (en) * 1960-02-11 1962-12-25 Amp Inc Ladder strip applicator
US3248784A (en) * 1963-09-18 1966-05-03 Philips Corp Apparatus for assembling parts
US3641641A (en) * 1964-02-27 1972-02-15 Amp Inc Covering for a connecting member
US3226812A (en) * 1964-07-02 1966-01-04 Young Otis Cecil Buckle bander
US3386153A (en) * 1965-09-23 1968-06-04 Amp Inc Method and apparatus for forming an insulated electrical connection
US3639966A (en) * 1970-06-18 1972-02-08 Herbert D Scharf Variable crimping eccentric press
US3810495A (en) * 1973-02-12 1974-05-14 Continental Drilling Co Automatic stapling system
US4261087A (en) * 1979-03-27 1981-04-14 Amp Incorporated Apparatus for connecting pairs of wires
US5277050A (en) * 1992-09-11 1994-01-11 Molex Incorporated Electrical connector crimping tool

Also Published As

Publication number Publication date
CH352720A (de) 1961-03-15
GB797779A (en) 1958-07-09
NL266916A (US07582779-20090901-C00044.png)
FR1154694A (fr) 1958-04-15
CA623909A (en) 1961-07-18
BE548578A (US07582779-20090901-C00044.png)
DE1130025B (de) 1962-05-24
NL122122C (US07582779-20090901-C00044.png)

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