US2829549A - Work locating and holding means for a plier type crimping tool - Google Patents

Work locating and holding means for a plier type crimping tool Download PDF

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Publication number
US2829549A
US2829549A US596493A US59649356A US2829549A US 2829549 A US2829549 A US 2829549A US 596493 A US596493 A US 596493A US 59649356 A US59649356 A US 59649356A US 2829549 A US2829549 A US 2829549A
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United States
Prior art keywords
holding means
connector
crimping
terminal
tool
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Expired - Lifetime
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US596493A
Inventor
Henry W Demler
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TE Connectivity Corp
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AMP Inc
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Publication date
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Priority to US596493A priority Critical patent/US2829549A/en
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Publication of US2829549A publication Critical patent/US2829549A/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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus 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
    • H01R43/042—Hand tools for crimping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53222—Means comprising hand-manipulatable implement
    • Y10T29/53226—Fastening by deformation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/53261—Means to align and advance work part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53709—Overedge assembling means
    • Y10T29/53787—Binding or covering

Definitions

  • Figure 1 shows a hand operated crimping tool employing the present invention
  • Figure 2 is a broken away view of the tool shown in Figure 1, illustrating on an enlarged scale the relative position of the connector-holding means;
  • Figure 3 is a sectional view taken through IH-IlI of Figure 2, showing a terminal held in crimping position by the locating means;
  • Figure 4 is a view similar to Figure 3, showing a connector held in crimping position by the locating means;
  • Figure 5 is a perspective view of a locator per se.
  • the crimping tool employed is of the type shown in patent application, Serial No. 457,085, filed September 20, 1954 in the name of Henry W. Demler, the present application constituting a continuation-in-part thereof.
  • this tool is merely illustrative and the partic ular holding means described in this patent application may be used in various types of crimping tools.
  • the crimping tool per se is generally indicated by the numeral 10.
  • the holding means, designated M is longitudinally slidable in the crimping tool.
  • the crimping tool has a die member 12 projecting from one surface thereof.
  • the holding means M is aligned with this die member and adjacent thereto.
  • the holding means has a generally U-shaped head member 14. Extending laterally from one arm of this U-shaped head member is a longitudinal body member 17.
  • the U portion of member 14 accommodates an electrical terminal-type connector (hereinafter referred to as a terminal) as shown in Figure 3.
  • This U-shaped inner surface has an edge 16 against which may be positioned an end face of the terminal.
  • the edge 16 is so positioned that it will prevent longitudinal movement of the connector and maintain it in crimping relationship during the crimping operation.
  • a portion of the edge 16 is somewhat recessed as at 18. As shown in Figure 3 this recess permits the wire to extend through a terminal and the recess acts as a wire stop.
  • the U-shaped member 14 holds the terminal (indicated by the letter T) in crimping position, while the recess member 18 abuts the wire of the conductor 20 to act as a Wire stop.
  • crimping position it is possible to observe the wire 20 extending through the terminal T.
  • Wire eX- tending through the terminal and abutting the U-shaped member 14, it can readily be discerned that the wire, terminal and dies are aligned in proper crimping relationship.
  • the wire stop 18 it would be possible to insert the conductor too far into the terminal so that the crimp would be performed upon the insulation rather than upon the uninsulated end of the wire. Unless it is possible to see the end of the wire projecting from the ferrule, an imperfect crimp may be caused by failure to insert the conductor a sufficient distance into the terminal.
  • the member M is longitudinally slidable in the crimping tool and spring biased in a downward position by spring 24 which is accommodated by slot 26 in the body member 17.
  • a lateral pin 28 extends transversely of the slot 26 and acts as a stop means for one end of the spring 24.
  • the other end of the spring 24 bears against the lower end of the longitudinal slot, thus resiliently urging it downwardly.
  • One edge of the body member 17 is recessed as at 30. This recess accommodates one end of a pin 32 afiixed to the tool body to confine longitudinal movement of the holding means thus preventing over-travel of the locating means M.
  • the holding means is located in a slot adjacent the die means 12 whereby it cooperates with the die.
  • the butt connector may be inserted between the holding means and the die platform 14 so that the edge of the holding means is depressed into an indent 82 in the butt connector (generally indicated C).
  • This lower edge 16 bears against the upper portion of the connector and confines it between the spring-urged member M and the lower platform 15 so that the connector is held in place by the affirmative action of the holding means.
  • the butt connector may easily be inserted into the holding means prior to the crimping operation. This is because the holding means M is spring biased and may easily be displaced by the action of the connector when inserted into the U-shaped member.
  • the spring 24 urges the holding means downwardly to retain the butt connector in place.
  • this invention provides a novel and unique type of locating means, suitable equally for holding a connector or terminal in place prior and during a crimping operation.
  • a holding means for aligning the connector in the tool, a longitudinal slot in the hold ing means accommodating a spring means and a pin means in position in the slot transversely of the axis thereof to secure one end of the spring means in place wherein the other end of the spring means bears against one end of the slot, said holding means including a stop member positioned adjacent a die, and said holding means being resiliently biased between a position which holds the connector in place and a position which permits removal of he connector.
  • a second pin is fixed relative to the tool and a recess is provided in the outer surface of the holding means parallel to said slot, one end of the second pin projecting into the recess to limit the extent of iongitudinal travel of the holding means.
  • a holding means comprising: a U-shaped member, a body member extending transversely from one arm of the U-shaped member, a slot in body member, a recess parallel to said slot on one edge of said body member, a shoulder on the second arm of the U-shaped member and a second shoulder on the curved portion of the U-shaped member, said second shoulder facing the body member and means in said slot resiliently resisting longitudinal movement of said holding means, whereby said holding means may locate an electrical connector prior to and during the crimping operation.

Description

DEMLER 2,829,549
H. W. WORK LOCATING AND HOLDING MEANS FOR A PLIER TYPE CRIMPING TOOL Filed July 9, 1956 April 8, 1958 INVENTOR: HenrLs W. Dm'nlev United States Patent Henry W. Demler, Lebanon, Pa., assignor to AMP Incorporated, a corporation of New .icrsey I Application July 9, 1956, Serial No. 596,493 4 Claims. (Cl. 81-
In the art of crimping an electrical connector to a conductor, it is fairly common practice to position a ferrule-type connector having a ring or other connecting means' thereon in a crimping tool between a pair of dies. The crimping dies are then brought to bear upon the ferrule which crimps it to a conductor. In such an operation it is highly desirable to have a means for holding the connector in place during the crimping operation. This means for holding the connector in place should provide a positive engagement between the connector and the crimping dies. The connector should be firmly aligned relative to the dies at all'times during the crimping operation so that a perfect crimped connection is achieved. Afurther necessary function of the connector holding means is to permit the conductor to be easily inserted into the holding means.
Thus it is an object of this invention to provide a holding means for positioning a connector in a tool during a crimping operation. It is also an object of this invention to provide such a meansinto which a conductor may easily be inserted.
Other objects and attainments of the present invention will become apparent to those skilled in the art upon a reading of the following detailed description when taken in conjunction with the drawings in which there is shown and described an illustrative embodiment of the invention; it is to be understood, however, that this embodiment is not intended to be exhaustive nor limiting of the invention but is given for purposes of illustration in order that others skilled in the art may fully understand the invention and the principles thereof and the manner of applying it in practical use so that they'may modify it in various forms, each as may be best suited to the conditions of a particular use.
In the drawings:
Figure 1 shows a hand operated crimping tool employing the present invention; 1
Figure 2 is a broken away view of the tool shown in Figure 1, illustrating on an enlarged scale the relative position of the connector-holding means;
Figure 3 is a sectional view taken through IH-IlI of Figure 2, showing a terminal held in crimping position by the locating means;
Figure 4 is a view similar to Figure 3, showing a connector held in crimping position by the locating means; and
Figure 5 is a perspective view of a locator per se.
The crimping tool employed is of the type shown in patent application, Serial No. 457,085, filed September 20, 1954 in the name of Henry W. Demler, the present application constituting a continuation-in-part thereof. However, this tool is merely illustrative and the partic ular holding means described in this patent application may be used in various types of crimping tools. As shown in Figure 1 the crimping tool per se is generally indicated by the numeral 10. The holding means, designated M, is longitudinally slidable in the crimping tool.
The crimping tool has a die member 12 projecting from one surface thereof. The holding means M is aligned with this die member and adjacent thereto.
As shown in Figures 2 and 5 the holding means has a generally U-shaped head member 14. Extending laterally from one arm of this U-shaped head member is a longitudinal body member 17. The U portion of member 14 accommodates an electrical terminal-type connector (hereinafter referred to as a terminal) as shown in Figure 3. This U-shaped inner surface has an edge 16 against which may be positioned an end face of the terminal. The edge 16 is so positioned that it will prevent longitudinal movement of the connector and maintain it in crimping relationship during the crimping operation. A portion of the edge 16 is somewhat recessed as at 18. As shown in Figure 3 this recess permits the wire to extend through a terminal and the recess acts as a wire stop. Thus as shown in Figure 3 the U-shaped member 14 holds the terminal (indicated by the letter T) in crimping position, while the recess member 18 abuts the wire of the conductor 20 to act as a Wire stop. In crimping position it is possible to observe the wire 20 extending through the terminal T. With the Wire eX- tending through the terminal and abutting the U-shaped member 14, it can readily be discerned that the wire, terminal and dies are aligned in proper crimping relationship. Without the wire stop 18, it would be possible to insert the conductor too far into the terminal so that the crimp would be performed upon the insulation rather than upon the uninsulated end of the wire. Unless it is possible to see the end of the wire projecting from the ferrule, an imperfect crimp may be caused by failure to insert the conductor a sufficient distance into the terminal.
As shown in Figure 2 the member M is longitudinally slidable in the crimping tool and spring biased in a downward position by spring 24 which is accommodated by slot 26 in the body member 17. A lateral pin 28 extends transversely of the slot 26 and acts as a stop means for one end of the spring 24. The other end of the spring 24 bears against the lower end of the longitudinal slot, thus resiliently urging it downwardly. One edge of the body member 17 is recessed as at 30. This recess accommodates one end of a pin 32 afiixed to the tool body to confine longitudinal movement of the holding means thus preventing over-travel of the locating means M.
The holding means is located in a slot adjacent the die means 12 whereby it cooperates with the die. As
shown in Figure 3, when crimping a terminal the spring biased means 24 urges the U-s haped member downwardly, so that the holding edge 16 bears against one portion of the terminal and grips it between the U-shaped edge 16 and the die platform 14. It will thus be seen that this arrangement functions to hold the terminal in place prior to and during the crimping operation. It is positively located and aflirmatively held by the spring actuated holding means. Because this holding means is spring actuated, however, it may be urged in an upward direction so that the terminal T may be easily inserted into the holding means. This provides a convenient means for inserting the terminal in proper place prior to. the crimping operation.
A similar function occurs when using a butt connector. The butt connector may be inserted between the holding means and the die platform 14 so that the edge of the holding means is depressed into an indent 82 in the butt connector (generally indicated C). This lower edge 16 bears against the upper portion of the connector and confines it between the spring-urged member M and the lower platform 15 so that the connector is held in place by the affirmative action of the holding means. This positions the butt connector in place prior to and during the crimping operation so that it is positively locked between the holding means and the platform. As in the case f the terminal the butt connector may easily be inserted into the holding means prior to the crimping operation. This is because the holding means M is spring biased and may easily be displaced by the action of the connector when inserted into the U-shaped member.
However, once the connector is inserted in place the spring 24 urges the holding means downwardly to retain the butt connector in place.
Thus it is seen that this invention provides a novel and unique type of locating means, suitable equally for holding a connector or terminal in place prior and during a crimping operation.
Other changes in construction will occur to those skilled in the art and various apparently difierent modifications and embodiments may be made without departing from the scope of the invention. The matter set forth in the foregoing description and accompanying drawings is offered by way of illustration only. The actual scope of the invention is intended to be defined in the following claims when viewed in their perspective against the prior art.
I claim:
1. In a die operated tool for crimping an electrical connector to a conductor, a holding means for aligning the connector in the tool, a longitudinal slot in the hold ing means accommodating a spring means and a pin means in position in the slot transversely of the axis thereof to secure one end of the spring means in place wherein the other end of the spring means bears against one end of the slot, said holding means including a stop member positioned adjacent a die, and said holding means being resiliently biased between a position which holds the connector in place and a position which permits removal of he connector.
The device of claim 1 wherein a second pin is fixed relative to the tool and a recess is provided in the outer surface of the holding means parallel to said slot, one end of the second pin projecting into the recess to limit the extent of iongitudinal travel of the holding means.
5. in a die operated tool for crimping an electrical connector onto a conductor, a holding means comprising: a U-shaped member, a body member extending transversely from one arm of the U-shaped member, a slot in body member, a recess parallel to said slot on one edge of said body member, a shoulder on the second arm of the U-shaped member and a second shoulder on the curved portion of the U-shaped member, said second shoulder facing the body member and means in said slot resiliently resisting longitudinal movement of said holding means, whereby said holding means may locate an electrical connector prior to and during the crimping operation.
4. The device of claim 3 wherein a projection on the tool extends into the recess to limit travel of the holding means.
References Cited in the file of this patent UNITED STATES PATENTS Evans Oct. 9, 1956
US596493A 1956-07-09 1956-07-09 Work locating and holding means for a plier type crimping tool Expired - Lifetime US2829549A (en)

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094702A (en) * 1961-03-27 1963-06-25 Buchanan Electrical Prod Corp Crimping tool
US3267565A (en) * 1964-11-06 1966-08-23 Gen Dynamics Corp Multiple connector tool
US3315337A (en) * 1965-06-28 1967-04-25 Amp Inc Crimping tool with retainer-ejector
US3325885A (en) * 1965-05-24 1967-06-20 Amp Inc Tool for applying connection means to coaxial cable means
US3523351A (en) * 1967-10-20 1970-08-11 Sargent & Co Locator and holder in a crimping tool for an electrical connector
US3530562A (en) * 1967-04-07 1970-09-29 William H Baumgardner Connecting tools
US3571888A (en) * 1968-05-08 1971-03-23 Etc Inc In-line hand crimping tool
US4006502A (en) * 1976-01-12 1977-02-08 Strickland Robert V Packaging and applicator tool for electrical terminals
US4630462A (en) * 1985-01-03 1986-12-23 C. A. Weidmuller Gmbh & Co. Tool for crimping cable shoe terminals
US4809571A (en) * 1987-08-19 1989-03-07 Amp Incorporated Automatic fast take up for use with ratchet hand tool
US4932237A (en) * 1988-07-21 1990-06-12 Amp Incorporated Portable crimping apparatus
US5236331A (en) * 1992-03-25 1993-08-17 Liu Lien Huang Terminal positioning means of terminal coupling tool
US5924322A (en) * 1997-10-16 1999-07-20 Panduit Corp. Multiple position locator for crimping tools
US6196045B1 (en) * 1999-12-20 2001-03-06 Chromatography Research Supplies, Inc. Powered crimping tool
EP1458055A1 (en) * 2003-03-11 2004-09-15 Huskie Tools, Inc. Wedge connector tool head
US20090313820A1 (en) * 2008-06-02 2009-12-24 Fci Americas Technology, Inc. Crimping Tool Connector Locator
US9543727B2 (en) * 2014-08-29 2017-01-10 Hubbell Incorporated Nest dies, indent crimp die sets, and crimp tools having such die sets
US11394165B2 (en) 2017-06-29 2022-07-19 Hubbell Incorporated Repositionable tool die

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US838008A (en) * 1905-12-23 1906-12-11 William Newton Richardson Pliers for cutting, forming, and clenching staples.
US2325322A (en) * 1940-07-01 1943-07-27 Reynolds Spring Co Clip applying mechanism
US2765688A (en) * 1953-03-13 1956-10-09 Aircraft Marine Prod Inc Work locating mechanism for connector crimping tools

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US838008A (en) * 1905-12-23 1906-12-11 William Newton Richardson Pliers for cutting, forming, and clenching staples.
US2325322A (en) * 1940-07-01 1943-07-27 Reynolds Spring Co Clip applying mechanism
US2765688A (en) * 1953-03-13 1956-10-09 Aircraft Marine Prod Inc Work locating mechanism for connector crimping tools

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094702A (en) * 1961-03-27 1963-06-25 Buchanan Electrical Prod Corp Crimping tool
US3267565A (en) * 1964-11-06 1966-08-23 Gen Dynamics Corp Multiple connector tool
US3325885A (en) * 1965-05-24 1967-06-20 Amp Inc Tool for applying connection means to coaxial cable means
US3315337A (en) * 1965-06-28 1967-04-25 Amp Inc Crimping tool with retainer-ejector
US3530562A (en) * 1967-04-07 1970-09-29 William H Baumgardner Connecting tools
US3523351A (en) * 1967-10-20 1970-08-11 Sargent & Co Locator and holder in a crimping tool for an electrical connector
US3571888A (en) * 1968-05-08 1971-03-23 Etc Inc In-line hand crimping tool
US4006502A (en) * 1976-01-12 1977-02-08 Strickland Robert V Packaging and applicator tool for electrical terminals
US4630462A (en) * 1985-01-03 1986-12-23 C. A. Weidmuller Gmbh & Co. Tool for crimping cable shoe terminals
US4809571A (en) * 1987-08-19 1989-03-07 Amp Incorporated Automatic fast take up for use with ratchet hand tool
US4932237A (en) * 1988-07-21 1990-06-12 Amp Incorporated Portable crimping apparatus
US5236331A (en) * 1992-03-25 1993-08-17 Liu Lien Huang Terminal positioning means of terminal coupling tool
US5924322A (en) * 1997-10-16 1999-07-20 Panduit Corp. Multiple position locator for crimping tools
US6196045B1 (en) * 1999-12-20 2001-03-06 Chromatography Research Supplies, Inc. Powered crimping tool
EP1458055A1 (en) * 2003-03-11 2004-09-15 Huskie Tools, Inc. Wedge connector tool head
US20090313820A1 (en) * 2008-06-02 2009-12-24 Fci Americas Technology, Inc. Crimping Tool Connector Locator
US8839653B2 (en) 2008-06-02 2014-09-23 Hubbell Incorporated Crimping tool connector locator
US9543727B2 (en) * 2014-08-29 2017-01-10 Hubbell Incorporated Nest dies, indent crimp die sets, and crimp tools having such die sets
CN107112705A (en) * 2014-08-29 2017-08-29 哈勃股份有限公司 Composite membrane, impression crimping die combination and the crimping tool with such die combination
CN107112705B (en) * 2014-08-29 2018-12-21 哈勃股份有限公司 Compound die, impression crimping die combination and the crimping tool with such die combination
US11394165B2 (en) 2017-06-29 2022-07-19 Hubbell Incorporated Repositionable tool die

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