US3648222A - Electrical connector having laminated contact element - Google Patents

Electrical connector having laminated contact element Download PDF

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Publication number
US3648222A
US3648222A US19822A US3648222DA US3648222A US 3648222 A US3648222 A US 3648222A US 19822 A US19822 A US 19822A US 3648222D A US3648222D A US 3648222DA US 3648222 A US3648222 A US 3648222A
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US
United States
Prior art keywords
tines
electrical connector
holes
plates
aligned
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
US19822A
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English (en)
Inventor
Richard R Cowmeadow
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.)
Amphenol Corp
Bunker Ramo Corp
Original Assignee
Bunker Ramo Corp
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Filing date
Publication date
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Application granted granted Critical
Publication of US3648222A publication Critical patent/US3648222A/en
Assigned to ALLIED CORPORATION A CORP. OF NY reassignment ALLIED CORPORATION A CORP. OF NY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BUNKER RAMO CORPORATION A CORP. OF DE
Assigned to CANADIAN IMPERIAL BANK OF COMMERCE, NEW YORK AGENCY, AS AGENT reassignment CANADIAN IMPERIAL BANK OF COMMERCE, NEW YORK AGENCY, AS AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AMPHENOL CORPORATION
Assigned to AMPHENOL CORPORATION, A CORP. OF DE reassignment AMPHENOL CORPORATION, A CORP. OF DE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ALLIED CORPORATION, A CORP. OF NY
Anticipated expiration legal-status Critical
Assigned to AMPHENOL CORPORATION A CORP. OF DELAWARE reassignment AMPHENOL CORPORATION A CORP. OF DELAWARE RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: CANADIAN IMPERIAL BANK OF COMMERCE
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • H01R13/7197—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters with filters integral with or fitted onto contacts, e.g. tubular filters
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector

Definitions

  • Arbuckle l 5 7 ABSTRACT Electrical connector including a plurality of thin metal plates forming a laminated contact element and formed with integral resilient tines projecting in equiangularly spaced relation from peripheral portions of aligned holes in the plates to engage contact elements which are preferably filter pin units, the tines and plates functioning to provide a repeatably low-impedance electrical contact and path from the outer electrodes of the filter pin units to ground.
  • a ground plate has heretofore been provided having holes through which the filter pin units extend, with a plurality of tines extending from edge portions of each hole to engage angularly spaced portions of each electrode.
  • Such tines have of necessity been quite 'short, thick and stiff, and a high degree of accuracy has been required in the formation thereof. It has not been possible to accommodate any substantial range of variation in the diameter of the filter pin units and also the connectors have not been entirely satisfactory and reliable either from an electrical or a mechanical standpoint.
  • This invention was evolved with the general object of overcoming the disadvantages of prior art connectors and of providing a connector having improved performance both electrically and mechanically while being highly reliable and also economically manufacturable.
  • a laminated contactelement which comprises a plurality of thin plates each having at least one and preferably a plurality of holes therein with an integral resilient tine projecting from an edge portion of each hole, the holes in the plates being aligned.
  • the holes in the plates are aligned by providing locating holes adapted to receive spigots of thermoplastic inserts in a manner such as to insure the proper relative location of the tines.
  • the laminated contact element may preferably be sandwiched between a pair of support members having passages aligned with the holes and contacts extended through the passages and holes are engaged by the tines, each contact being engaged with a number of tines equal to the number of plates.
  • the tines can be relatively thin and long with a length dimension of the same order of magnitude as the diameter of the holes.
  • the tines are quite resilient and can firmly engage any contact having a diameter lying within a quite wide range of dimensional values.
  • the area of the interengaging surfaces can be quite large to obtain a low-resistance connection.
  • the large area of engagement is also desirable in conducting away any heat generated by current flow or otherwise.
  • the tines can thus be of any designed shape necessary to shield the control and to make a good low-impedance ground, while allowing variance of tine pressure (normal force) to suit the contact design.
  • the arrangement is particularly advantageous when used with filter pin contact units designed to filter out high-frequency noise or extraneous signals. Because of the large area of contact, a very low inductance is obtained and since highfrequency currents are concentrated at the surface of a conductor, the use of a plurality of plates reduces the effective resistance to ground.
  • FIG. 1 is a side elevational view of an electrical connector incorporating a laminated contact element in accordance with this invention
  • FIG. 2 is a sectional view taken substantially along line ll II of FIG. 1 and showing a cross section one of a plurality of filter pin contact units engaged by tines of the laminated contact element;
  • FIG. 3 is a cross-sectional view taken substantially along line III-Ill of FIG. 2;
  • FIG. 4 is a plan view, on an enlarged scale, illustrating a portion of the laminated contact element and the positioning of tines thereof before assembly in the connector;
  • FIG. 5 is a cross-sectional view taken substantially along V-V of FIG. 4;
  • FIG. 6 is a plan view of a portion of one plate of the laminated contact element, illustrating the form thereof before bending of the tines thereof;
  • FIG. 7 is a view similar to FIG. 6, but showing a portion of another of the plates of the laminated contact element.
  • Reference numeral 10 generally designates an electrical connector structure incorporating a laminated contact element in accordance with the principles of this invention.
  • the illustrated structure 10 is a receptacle portion of an electrical connector to which a plug portion may be connected to interconnect contacts within the plug and receptacle portion.
  • a multiplicity of filter pin contact units Disposed within the structure 10 are a multiplicity of filter pin contact units a portion of one of which is illustrated in FIGS. 2 and 3 and designated by a reference numeral 11.
  • the contact unit 11 is disposed in aligned passages l2, l3 and 14 of members l5, l6 and 17.
  • Members 15 and 16 are preferably of a relatively rigid insulating material while member 17 is preferably of a relatively soft elastomeric material.
  • Member 15 is disposed within a connector shell member 20 while members 16 and 17 are disposed within a cylindrical insert member 21 telescoped within the right-hand portion of shell member 20.
  • a rotatable coupling ring 22 is threaded on the right-hand portion of the shell 20 and is arranged to move the insert member 21 in a locking direction, to the left as viewed in FIGS. 1 and 3, to position the parts as shown.
  • the insert member 21 When rotated in the opposite direction, the insert member 21 may be moved to the right, and the filter pin contact units may be more readily removed, for inspection, repair and replacement.
  • the filter pin contact units are quite small in size and very thin and a large number thereof may be incorporated in a connector structure of relatively small size. By way of example, approximately 50 of such units may be incorporated in a connector as shown in which the outside diameter of the members 15, 16 and 17 is approximately 1% inches.
  • the contact unit 1 which is like all others of the connector, includes an intermediate filter section which includes ferrule elements 26 of a ferrite material on a central conductive portion 27, operative to increase the inductance.
  • a pair of sleeves 28 of thin metal or foil are disposed around the ferrule means 26 and within a sleeve 29 of a dielectric material.
  • An outer sleeve or electrode 30 is disposed around the dielectric sleeve 29.
  • the pair of sleeves 28 are connected through rings 31 and 32 of conductive rubber or the like to enlarged portions 33 and 34 connected electrically to opposite ends of the narrow central portion 27.
  • the purpose of the illustrated construction of the unit 11 is to provide a low-pass filter which filters out noise or extraneous electrical signals having a frequency above a certain frequency. It is essential for proper operation of the filter that the low-resistance and low-inductance ground connection be provided to the outer electrode 30.
  • a ground plate having a hole for each of the contact units and having a plurality of tines extending inwardly from angularly spaced edge portions of each hole to engage the outer electrode of the contact unit. As mentioned previously, difficulties have been experienced with such ground plates.
  • a laminated grounding contact element is provided, generally designated by reference numeral 36 which comprises a plurality of thin metal plates, four plates 37, 38, 39 and 40 being provided in the illustrated construction.
  • Plates 37-40 have aligned holes 41-43 through which the contact unit 11 extends and are additionally formed with integral tines 45-48 extending from edge portions of the holes 4143, respectively.
  • the tines 45-48 all project in the same direction, it being noted that the tine 46 of plate 38 projects through the hole 41 of the plate 37, the tine 47 of the plate 39 projects through holes 43 and 42 of the plates 37 and 38 and the tine 48 of the plate 40 projects through holes 41-43 of the plates 37-39.
  • the contact unit can be readily inserted from the right, as viewed in FIG. 3.
  • the tines 45-48 are preferably formed with outwardly bent end portions 45A-48a.
  • each of the tines can have a length dimension of the same order of magnitude as the hole diameter, each tine having a length approximately equal to the hole diameter in the illustrated construction.
  • a variety of tine shapes are possible depending on the frequency composition of signals to be handled.
  • the tines can be quite long as compared to the permissible length in the prior construction.
  • the tines can be quite wide the width being roughly equal to one-half of the hole radius as illustrated but with or without a slight taper from the base of each tine to the terminal end thereof.
  • the permissible deflection of the tine is quite large and a wide range of filter pin unit diameters can be accommodated, while still insuring firm engagement with the outer electrode of the unit.
  • the contact units can be removed and replaced a number of times without damage to the tines or the effectiveness thereof. It is also possible to obtain a greater area of electrical contact and both a lower electrical resistance and a lower effective inductance.
  • the inductance as well as the resistance be as low as possible, to effectively remove higher frequency components. It is also noted that since high-frequency currents are concentrated in the surface portions of conductors, the use of a plurality of plates reduces the electrical resistance and enhances the grounding action.
  • the tines 45-48 are preferably arranged in equiangularly spaced relation to provide a centering action, a 90 spacing being provided with four tines as illustrated, Preferably, at least three tines are used to obtain a centering action which would be much better than would be obtained with only two tines. With four tines, the centering action is somewhat better, and a greater total area of contact is obtained. A greater number of tines can be provided but the cost of manufacture would be increased. Generally, at least three are preferably provided, most preferably four, as illustrated.
  • FIGS. 6 and 7 illustrate the form of two of the plates, plates 37 and 40, prior to bending of tines.
  • a first row of holes 51 are provided with tines 52 projecting outwardly to the left at a 45 angle in the illustrated orientation of the plate 37.
  • a second row of holes 53 is provided with tines 54 projecting downwardly and to the right at a 45 angle, the orientation thus being opposite to the tines 52.
  • a third row of holes 55 have tines 56 oriented the same as the tines 52 and the tines of the next row of holes, not shown, are oriented the same as the tines 54, the tines of adjacent holes being thus oriented oppositely.
  • the hole 41 and tine 45, shown in FIGS. 2-5 are not shown in the portion of the plate 37 illustrated in FIG. 6, but it will be understood that the hole 41 may be in one of the rows adjacent the periphery of the plate 37.
  • a first row of holes 57 have tines 58 extending downwardly and to the left at a 45 angle
  • a second row of holes 59 have tines 60 extending upwardly and to the right at a 45 angle
  • a third row of holes 61 have tines 62 oriented the same as the tines 58
  • a fourth row of holes 63 have tines 64 oriented the same as the tines 60.
  • the plates 37 and 40 are so placed as to align holes 51, 53 and 55 with holes 57, 59 and 61, respectively, and to insure the proper orientation of the plates, the plate 37 has a pair of notches 65 and 66 which are aligned with a pair of notches 67 and 68 of the plate 40 and which are engaged by suitable projections, not shown, in the shell 20.
  • the plates 38 and 39 are formed in a similar fashion.
  • the tines may extend downwardly and to the left at a 45 angle and in the plate 39, the tines may extend upwardly and to the right at a 45 angle.
  • the opposite orientation of tines of adjacent rows is advantageous in equalizing any transverse forces exerted when the filter pin contact elements are installed, and also reduces cost.
  • the plates can be readily rotated and flipped before forming so that one die, artwork master or the like can be used in circular connectors.
  • One artwork is all that is required in circular connectors where holes are symmetrical about the centerline or in rectangular connectors where the holes are symmetrical.
  • each of the plates 37-40 can be readily formed by a stamping operation or by an etching process. After forming the plates, the tines may be bent by appropriate forming operations.
  • the plates 37-40 are sandwiched between facing surfaces 69 and 70 of the members 15 and 16 which serve to dissipate heat, a peripheral edge portion of the plate 37 being firmly engaged with a shoulder 71 of the shell member 20.
  • a relatively thicker metal backing plate 72 may be interposed between the plate 40 and the surface 70, an outer peripheral edge portion of the plate 72 being engaged by an end surface 73 of the insert 21.
  • a laminated contact element comprising a plurality of thin metal plates each having a hole therein and each having a single integral resilient tine projecting from an edge portion of said hold, said holes being aligned for engagement of said tines with a contact extended therethrough, said tines being in angularly spaced relation, and each of said tines having a length dimension substantially greater than the radius of said aligned holes.
  • said tines projecting axially in the same direction with the tine of at least one plate extending through the hole of at least one other plate.
  • each of said plates having a plurality of additional holes therein and a single integral tine projecting from an edge portion of each of said additional holes and having a length dimension substantially greater than the radius thereof, said additional holes being aligned for engagement of said tines with additional contacts extended therethrough.
  • said alignment means being arranged to position said tines in equiangularly spaced relation.
  • a filter pin contact unit extended through said aligned holes and having an outer generally cylindrical electrode engaged by said tines.
  • each of said tines having an outwardly bent terminal end portion.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
US19822A 1970-03-16 1970-03-16 Electrical connector having laminated contact element Expired - Lifetime US3648222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1982270A 1970-03-16 1970-03-16

Publications (1)

Publication Number Publication Date
US3648222A true US3648222A (en) 1972-03-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
US19822A Expired - Lifetime US3648222A (en) 1970-03-16 1970-03-16 Electrical connector having laminated contact element

Country Status (10)

Country Link
US (1) US3648222A (de)
CA (1) CA929621A (de)
CH (1) CH521029A (de)
DE (1) DE2111777C3 (de)
FR (1) FR2084621A5 (de)
GB (1) GB1341628A (de)
IL (1) IL36260A (de)
NL (1) NL7102559A (de)
SE (1) SE378485B (de)
ZA (1) ZA711161B (de)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744001A (en) * 1971-05-27 1973-07-03 Amp Inc Filter adaptor for printed circuit board connector
US3825874A (en) * 1973-07-05 1974-07-23 Itt Electrical connector
US3939444A (en) * 1974-01-11 1976-02-17 Amp Incorporated Printed circuit mountable, self grounding, multiple filter module
DE2617273A1 (de) * 1975-04-28 1976-11-11 Amp Inc Elektrischer verbinder
EP0118168A1 (de) * 1983-01-31 1984-09-12 AMP INCORPORATED (a New Jersey corporation) Elektrischer Steckverbinder und Steckdose dafür
US4557537A (en) * 1984-05-21 1985-12-10 General Electric Company Electrical grounding arrangement and method
US4582385A (en) * 1983-10-31 1986-04-15 International Telephone & Telegraph Corp. Electrical connector embodying electrical circuit components
US4634208A (en) * 1983-01-31 1987-01-06 Amp Incorporated Electrical plug connector and method of terminating a cable therewith
US4707040A (en) * 1981-08-24 1987-11-17 W. L. Gore & Associates, Inc. Connector for coaxially shielded cable
EP0295154A2 (de) * 1987-06-11 1988-12-14 Raychem Pontoise S.A. Elektrische Abschirmung
USRE33153E (en) * 1983-12-19 1990-01-23 Amp Incorporated Solderless mounted filtered connector
US5011434A (en) * 1988-11-23 1991-04-30 Amphenol Corporation Filtered electrical connector
US5018990A (en) * 1988-12-28 1991-05-28 Murata Manufacturing Co., Ltd. Filter connector
US5246376A (en) * 1992-04-28 1993-09-21 Raychem Sa Electrical adaptor
US5288248A (en) * 1991-10-28 1994-02-22 Foxconn International Totally shielded DIN connector
EP0658955A2 (de) * 1993-12-11 1995-06-21 FILTEC FILTERTECHNOLOGIE FUR DIE ELEKTRONIKINDUSTRIE GmbH Planarfilter für einen vielpoligen Steckverbinder
CN108352663A (zh) * 2015-10-22 2018-07-31 泰连德国有限公司 连接器的屏蔽元件和包括屏蔽元件的壳体组件

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215326A (en) * 1978-01-16 1980-07-29 Amp Incorporated Filtered adapter
DE2925847C2 (de) * 1979-06-27 1982-05-27 Rohde & Schwarz GmbH & Co KG, 8000 München Elektrischer Verbindungskontakt für koaxial ineinandersteckbare Leiterteile
GB2125236A (en) * 1982-08-11 1984-02-29 Tektronix Inc Stress-isolating electrical connections
GB8915060D0 (en) * 1989-06-30 1989-08-23 Smiths Industries Plc Electrical assemblies
DE102021124378B4 (de) 2021-09-21 2024-03-28 Amphenol Tuchel Industrial GmbH Lamellenkontaktbuchse mit einer daran angeordneten Überfeder

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1477527A (en) * 1923-04-03 1923-12-11 Raettig Bruno Contact spring
US2423548A (en) * 1945-04-20 1947-07-08 Hazeltine Research Inc Electrical connector
GB601294A (en) * 1944-11-03 1948-05-03 Fernand Georges Bac Improvements in or relating to electric plug and socket couplings
DE1026823B (de) * 1953-02-02 1958-03-27 Dr Paul Mozar Elektrischer Aufnahmekontakt
NL6810231A (de) * 1968-07-19 1970-01-21
US3519975A (en) * 1968-03-25 1970-07-07 Itt Electrical connector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1477527A (en) * 1923-04-03 1923-12-11 Raettig Bruno Contact spring
GB601294A (en) * 1944-11-03 1948-05-03 Fernand Georges Bac Improvements in or relating to electric plug and socket couplings
US2423548A (en) * 1945-04-20 1947-07-08 Hazeltine Research Inc Electrical connector
DE1026823B (de) * 1953-02-02 1958-03-27 Dr Paul Mozar Elektrischer Aufnahmekontakt
US3519975A (en) * 1968-03-25 1970-07-07 Itt Electrical connector
NL6810231A (de) * 1968-07-19 1970-01-21

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744001A (en) * 1971-05-27 1973-07-03 Amp Inc Filter adaptor for printed circuit board connector
US3825874A (en) * 1973-07-05 1974-07-23 Itt Electrical connector
US3939444A (en) * 1974-01-11 1976-02-17 Amp Incorporated Printed circuit mountable, self grounding, multiple filter module
DE2617273A1 (de) * 1975-04-28 1976-11-11 Amp Inc Elektrischer verbinder
FR2309996A1 (fr) * 1975-04-28 1976-11-26 Amp Inc Connecteur electrique comprenant au moins un filtre tubulaire
US4707040A (en) * 1981-08-24 1987-11-17 W. L. Gore & Associates, Inc. Connector for coaxially shielded cable
EP0118168A1 (de) * 1983-01-31 1984-09-12 AMP INCORPORATED (a New Jersey corporation) Elektrischer Steckverbinder und Steckdose dafür
US4634208A (en) * 1983-01-31 1987-01-06 Amp Incorporated Electrical plug connector and method of terminating a cable therewith
US4582385A (en) * 1983-10-31 1986-04-15 International Telephone & Telegraph Corp. Electrical connector embodying electrical circuit components
USRE33153E (en) * 1983-12-19 1990-01-23 Amp Incorporated Solderless mounted filtered connector
US4557537A (en) * 1984-05-21 1985-12-10 General Electric Company Electrical grounding arrangement and method
EP0295154A2 (de) * 1987-06-11 1988-12-14 Raychem Pontoise S.A. Elektrische Abschirmung
EP0295154A3 (en) * 1987-06-11 1989-10-18 Raychem Pontoise S.A. Electrical shielding
US5011434A (en) * 1988-11-23 1991-04-30 Amphenol Corporation Filtered electrical connector
US5018990A (en) * 1988-12-28 1991-05-28 Murata Manufacturing Co., Ltd. Filter connector
US5288248A (en) * 1991-10-28 1994-02-22 Foxconn International Totally shielded DIN connector
US5246376A (en) * 1992-04-28 1993-09-21 Raychem Sa Electrical adaptor
EP0658955A2 (de) * 1993-12-11 1995-06-21 FILTEC FILTERTECHNOLOGIE FUR DIE ELEKTRONIKINDUSTRIE GmbH Planarfilter für einen vielpoligen Steckverbinder
EP0658955A3 (de) * 1993-12-11 1997-03-05 Filtec Filtertechnologie Fur D Planarfilter für einen vielpoligen Steckverbinder.
CN108352663A (zh) * 2015-10-22 2018-07-31 泰连德国有限公司 连接器的屏蔽元件和包括屏蔽元件的壳体组件
US20180241158A1 (en) * 2015-10-22 2018-08-23 Te Connectivity Germany Gmbh Shielding Element For A Connector And Housing Assembly Having Protruding Cutting Portions
US10680390B2 (en) * 2015-10-22 2020-06-09 Te Connectivity Germany Gmbh Shielding element for a connector and housing assembly having protruding cutting portions

Also Published As

Publication number Publication date
GB1341628A (en) 1973-12-25
DE2111777C3 (de) 1980-08-21
FR2084621A5 (de) 1971-12-17
IL36260A0 (en) 1971-04-28
IL36260A (en) 1974-01-14
CA929621A (en) 1973-07-03
SE378485B (de) 1975-09-01
CH521029A (de) 1972-03-31
NL7102559A (de) 1971-09-20
DE2111777B2 (de) 1979-10-18
ZA711161B (en) 1971-11-24
DE2111777A1 (de) 1971-10-07

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Legal Events

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AS Assignment

Owner name: ALLIED CORPORATION COLUMBIA ROAD AND PARK AVENUE,

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

Effective date: 19820922

AS Assignment

Owner name: CANADIAN IMPERIAL BANK OF COMMERCE, NEW YORK AGENC

Free format text: SECURITY INTEREST;ASSIGNOR:AMPHENOL CORPORATION;REEL/FRAME:004879/0030

Effective date: 19870515

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Owner name: AMPHENOL CORPORATION, A CORP. OF DE, ILLINOIS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ALLIED CORPORATION, A CORP. OF NY;REEL/FRAME:004844/0850

Effective date: 19870602

Owner name: AMPHENOL CORPORATION, LISLE, ILLINOIS A CORP. OF D

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ALLIED CORPORATION, A CORP. OF NY;REEL/FRAME:004844/0850

Effective date: 19870602

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Owner name: AMPHENOL CORPORATION A CORP. OF DELAWARE

Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:CANADIAN IMPERIAL BANK OF COMMERCE;REEL/FRAME:006147/0887

Effective date: 19911114