US3218695A - Positioning tool for electrical components - Google Patents

Positioning tool for electrical components Download PDF

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Publication number
US3218695A
US3218695A US250512A US25051263A US3218695A US 3218695 A US3218695 A US 3218695A US 250512 A US250512 A US 250512A US 25051263 A US25051263 A US 25051263A US 3218695 A US3218695 A US 3218695A
Authority
US
United States
Prior art keywords
core
bore
tool
tube
hook
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
US250512A
Other languages
English (en)
Inventor
Julian V Fisher
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Priority to US250512A priority Critical patent/US3218695A/en
Priority to NL63301842A priority patent/NL144762B/nl
Priority to GB1251/64A priority patent/GB996869A/en
Application granted granted Critical
Publication of US3218695A publication Critical patent/US3218695A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • 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
    • Y10T29/53257—Means comprising hand-manipulatable implement
    • 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
    • Y10T29/53687—Means to assemble or disassemble by rotation of 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
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator
    • Y10T29/53848—Puller or pusher means, contained force multiplying operator having screw operator
    • Y10T29/53857—Central screw, work-engagers around screw
    • Y10T29/53878—Tubular or tube segment forms work-engager
    • Y10T29/53883—Screw threaded work-engager
    • 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
    • Y10T29/53909—Means comprising hand manipulatable tool
    • Y10T29/53913—Aligner or center
    • Y10T29/53917—Tube with tube

Definitions

  • Another object of the invention is to provide a one piece plastic control member having means for rapid assembly with a ferrite or carbon core and having means for cooperating with said core to induce or provide movement of said core within the flux inducing means.
  • Still another object is to provide a one piece insulated control member which can be economically fabricated and readily assembled With a core and is also capable of ready removal therefrom by a skilled technician but which normally will be destroyed it removed by the consumer.
  • FIG. 1 is a perspective view of a primary embodiment of the present invention
  • FIG. 2 is an exploded view in elevation of a control rod of the type shown in FIG. 1 with a core and coil wound tubular means prior to assembly;
  • FIG. 3 is an elevation in partial section showing a control rod during its insertion within the core bore
  • FIG. 4 is an elevation in partial section of the same embodiment in final assembled relationship
  • FIG. 5 is an enlarged view of the elevation in partial section of the hook end of the control rod showing the cooperation with the core and prevent-ing removal of the rod from the core;
  • PEG. 6 is a secondary embodiment of the invention shown in elevation
  • FIG. 7 is an elevation in partial section showing the deformation of the retaining member of the embodiment of FIG. 6 during insertion in a core bore;
  • FIG. 8 is an elevation in partial section showing the embodiment of HG. 6 in final assembled relation with the variable inductor.
  • a positioning tool or adjustment means Til includes handle means 12, a first rod like portion 14 extending integrally from the handle means 12, a second portion 16 adapted to engage the interior bore of a core and retaining or locking means 18 positioned at the extremity of the rod opposite the handle T2.
  • the positioning tool lit is specifically adapted to engage a core 22 made of magnetiieree material, such as carbon containing ferrite, with the core 22 being acceptable within an inductive means 26.
  • the inductive means 26 is basically a tube 28 having coil means 27 wound in insulated fashion along its axial extent. Suitable connecting means 30 tap into the various junction points of the coils 27. While the illustrative embodiments disclose a plurality of coils it is to be understood that the device contemplated can be used equally effectively with a single inductive coil wound around an insulated tube.
  • the electronic circuitry does not bear on the inventive concept set forth.
  • the handle 12 can be knurled as at 20 to provide suitable means for grasping the handle during manual manipulation thereof.
  • the first portion T4- is preferably reduced in section to provide adequate clearance between the components within which the control rod 10 is associated.
  • a reduction of the external diameter of first portion 14 results in a saving of material and hence, an increase in economy of manufacture.
  • the second portion To is adapted to be accepted within the bore 24 of the core 22.
  • Second portion 16 and the bore 24 are complementary in cross sectional configuration and in the present instance, are non-circular or hexagonal. Other suitable geometric configurations are equally acceptable.
  • the core 22 is threaded on its exterior and adapted to be accepted within tube 28 having internal thread means positioned coaxially of the inductive means 26. Rotation of the positioning tool It will transmit said rotation through the non-circular second portion 16 to core 22.
  • the retaining means 13, positioned at the end of the rod remote from the handle 12, is basically a hook shaped device.
  • the means 18 includes a reduced portion or extension 32 which is an axial continuation of the second portion 16 and a reversely bent resilient hook means
  • the extension 32 on its outer or bottom surface, as seen in the drawings, has a cross sectional configuration identical to the related segment of second portion to, in the present instance, semi-hexagonal.
  • the hook 34- on its upper or outer surface, as seen in the drawing, is provided with a ridge or semi-hexagonal surface which when the hook 34 is depressed in the recess provided by the reduced cross sectional area of 32, in relation to the second portion 16, will generally form a substantially complementary continuation of said second portion 16.
  • the hook portion 34 when the core 22 is axially telescoped over the retaining means 18 the hook portion 34 will be resiliently epressed, as best seen in FIG. 3, and will be complementally accepted within bore 24.
  • the first portion 14 has a diameter substantially greater than the second portion 16 and is preferably reduced in diameter adjacent to the second portion 16, as indicated by the numeral 36, so as to provide a shoulder 38.
  • first portion 14 of the rod has a greater diameter than the non-circular portion 16 which is complementary to the bore 24-, movement of the rod in this direction is limited.
  • the dimension of the combined lengths of reduced portion 3a and the noncircular portion 116 is greater than the axial length of the core 22 providing axial play in the rod whereby the hook 34 is enabled to function smoothly during insertion and expansion.
  • the rod It can be removed from the core by either feeding the core entirely out of the tube 28 in the direction of the arrow A or alternatively, by feeding in the opposite direction until such time as the hook 34 is exposed so that it can be manually depressed into the recess formed by the reduced cross section of extension 32 and thence axially Withdrawn from the bore 24 in a reverse direction fashioned from the insertion shown in FIG. 3. This procedure assumes, of course, that tube 28 has been made accessible by removal from the circuitry.
  • a control rod of the type contemplated by this invention is preferably fabricated of a resilient thermoplastic dielectric material, such as nylon, in a simple two plate injection mold.
  • FIGS. 68 A second embodiment of the present invention is shown In FIGS. 68 wherein similar numerals will be utilized to designate similar parts.
  • the rod 10a includes at one end a coin like handle 12a, a first portion 14a, a second portion 16a and retaining means 180.
  • first and second portions 14:: and 1611 In this embodiment there is provided, intermediate first and second portions 14:: and 1611, a third portion 49.
  • the outer surface of portion 40 is screw threaded while second portion 16a is circular in cross sectional configuration, for purposes best set forth hereinafter.
  • the retaining means 18a in this embodiment has a hooklike portion 34a integrally attached at the extremity of the reduced segmental extension 32a.
  • the retaining means 18a is provided with a continuation on hook 34a on the opposite side of its junction with its reduced portion 32a. This continuation 42 when taken in combination with hook 34a forms a toggle-like retaining means 18:1.
  • variable inductor 26a in the present instance, is provided with a tubular liner 28a having a smooth cylindrical through bore.
  • the core 22a is unthreaded and cylindrical on its exterior surface and is provided with a cylindrical bore 24a passing through its entire length.
  • a sheet metal nut 44- of known configuration is mounted at one end of the tube 28a . It is adapted to complementally engage the threaded portion 40 of the control rod.
  • control rod ltla is telescoped through the threaded nut 44 until the retaining means 18a extends beyond the opposite end of the tube 28a.
  • the core 22 is then telescopically associated with the rod by the resilient depression of the hook 34a and the elevation of the toggle portion 42, as best seen in FIG. 7, and axially moved along the rod ltla until the retaining means 18a has traversed the bore 24a.
  • the toggle-like retaining means 18a then springs back to substantially its initial condition.
  • a rotation of the control rod 1011 results in axial movement due to the interaction of threads 40 and the nut 44.
  • the core 22a is free to rotate or to remain stationary during its axial movement within the tube 280.
  • the threaded portion 44) is of substantially greater diameter than the first and second portions 14a and 16a respectively to provide clearance of the first and second portions through nut 44, and hence, provides a shoulder means 38a at its juncture with the core supporting second portion 16a. Movement of the control rod 10a in the direction opposite to the arrow B results in an engagement of shoulder means 38:: with one end face of the core and slides same axially Within the tube 28a relative to the coil means 27a.
  • Movement of the control rod in the direction of the arrow B results in an engagement of the hook means 34a with the opposite end face of the core.
  • This force against hook 34a results in a depression of its opposite end or toggle 42 downwardly against the inner surface of the tube 23a. This creates a drag on the tube surface and acts dually as feel to the manipulator of handle 12a and as an impositive locking means for the accurate axial positioning of the core 22a.
  • This embodiment can be fabricated from any suitable resilient dielectric material in the same fashion as the first embodiment.
  • the invention discloses an improved dielectric control rod of a simplified one piece construction which can be economically fabricated and is highly amenable to mass production assembly methods which are prevalent in the electronics trade. While easily assembled, its removal is restricted except under controlled conditions. It can be readily removed by a skilled technician who has disassembled a portion of the set, by the manual depression of the locking means. A straight axial pull on the device by the uninstructed will result in the destruction of the locking means.
  • the two embodiments set forth are illustrative of these principles but are not deemed to be limiting. Other embodiments will be apparent to those skilled in the art but it is my intent that be limited only by the appended claims.
  • a one piece positioning tool for use with variable inductance means having adjustable core means positioned within a tube supporting insulated coil wound means on the outer circumference of said tube comprising an elongated dielectric rod-like positioning tool having handle means at one extremity, retaining means at the opposite extremity, said core having a complementary bore throughout its length adapted to accept said tool within said bore, said retaining means adapted to be resiliently compressed during insertion of the tool within the bore and adapted to engage the opposite end of the core when the tool has traversed the bore of the core and threads on the outer circumference of said core cooperating with the inside of said tube and adapted to axially adjust said core within said tube supporting the surrounding coil means upon rotation of said handle means, said tool having a portion intermediate the extremity of said tool which is noncircular in section, said bore of the core being complementary to said noncircular portion.
  • a device of the type claimed in claim 1 wherein said retaining means at the extremity opposite the handle means includes a hook-like portion attached to an extension integral with and lesser in cross sectional area than the noncircular portion of the tool, said extension providing a recess where the hook-like portion when collapsed during insertion within the core bore can be accepted and will ostensibly conform to the complementary con figuration of the bore.
  • a device of the type claimed in claim 1 wherein said rod-like positioning tool includes stop means positioned intermediate and spaced from the extremities of said tool for engaging one end of said core while said retaining means engages the opposite end of said core.
  • said retaining means includes a reduced integral extension of lesser cross sectional area than the remainder of the tool and radially offset at the extremity opposite the handle means forming a recess, a reversely extending hook-like element integral with the extremity of the reduced extension and normally extending beyond an imaginary surface coextensive with the surface of the tool, said hook-like element being acceptable within the recess so as to be complementally accepted Within the core bore during telescopic assembly of the tool therewith, said hook-like element adapted to return to its normal position after it has traversed the core bore and engages the end face of the core on one side of the core axis, the reduced extension adjacent its extremity being adapted to be bent downwardly below an imaginary surface coextensive with the surface of the core bore whereby said extension engages the same end face of the core but on the opposite side of the core axis when said hook-like portion is stressed by an axial force exerted on said tool in a direction opposite to the insertion direction

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Coils Or Transformers For Communication (AREA)
US250512A 1963-01-10 1963-01-10 Positioning tool for electrical components Expired - Lifetime US3218695A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US250512A US3218695A (en) 1963-01-10 1963-01-10 Positioning tool for electrical components
NL63301842A NL144762B (nl) 1963-01-10 1963-12-13 Bedieningsstang.
GB1251/64A GB996869A (en) 1963-01-10 1964-01-10 Control device for core of variable inductance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US250512A US3218695A (en) 1963-01-10 1963-01-10 Positioning tool for electrical components

Publications (1)

Publication Number Publication Date
US3218695A true US3218695A (en) 1965-11-23

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ID=22948052

Family Applications (1)

Application Number Title Priority Date Filing Date
US250512A Expired - Lifetime US3218695A (en) 1963-01-10 1963-01-10 Positioning tool for electrical components

Country Status (3)

Country Link
US (1) US3218695A (nl)
GB (1) GB996869A (nl)
NL (1) NL144762B (nl)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509618A (en) * 1968-04-17 1970-05-05 Joseph T Siler Fastener and assembly means
US4744709A (en) * 1987-03-30 1988-05-17 Varian Associates, Inc. Low deflection force sensitive pick
US5075960A (en) * 1991-07-01 1991-12-31 Smith Christopher A Electrical pin pulling tool
US5256999A (en) * 1991-08-09 1993-10-26 Tokyo Kabushiki Kaisha Thread type magnetic core structure

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US450154A (en) * 1891-04-14 John j
US1369172A (en) * 1920-07-13 1921-02-22 Hall Roy Albert Cam-shaft-bushing inserter and extractor
US2375081A (en) * 1943-11-30 1945-05-01 Wade R Beddingfield Cable terminal lifter for batteries
US2390545A (en) * 1944-09-23 1945-12-11 Aircraft Screw Prod Co Inserting tool for tangless inserts
US2471557A (en) * 1944-12-20 1949-05-31 Willard H Bishop Oil seal removing tool
US2766515A (en) * 1952-10-09 1956-10-16 Steve Hortsch Piston pin tool
US2917954A (en) * 1957-06-11 1959-12-22 Arthur C Capelle Alignment tool
US2995812A (en) * 1957-12-04 1961-08-15 Western Electric Co Method of selectively positioning relay contacts
US3100931A (en) * 1961-06-27 1963-08-20 La Mar P Barnes Removal tool-pin and socket electrical connectors

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US450154A (en) * 1891-04-14 John j
US1369172A (en) * 1920-07-13 1921-02-22 Hall Roy Albert Cam-shaft-bushing inserter and extractor
US2375081A (en) * 1943-11-30 1945-05-01 Wade R Beddingfield Cable terminal lifter for batteries
US2390545A (en) * 1944-09-23 1945-12-11 Aircraft Screw Prod Co Inserting tool for tangless inserts
US2471557A (en) * 1944-12-20 1949-05-31 Willard H Bishop Oil seal removing tool
US2766515A (en) * 1952-10-09 1956-10-16 Steve Hortsch Piston pin tool
US2917954A (en) * 1957-06-11 1959-12-22 Arthur C Capelle Alignment tool
US2995812A (en) * 1957-12-04 1961-08-15 Western Electric Co Method of selectively positioning relay contacts
US3100931A (en) * 1961-06-27 1963-08-20 La Mar P Barnes Removal tool-pin and socket electrical connectors

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509618A (en) * 1968-04-17 1970-05-05 Joseph T Siler Fastener and assembly means
US4744709A (en) * 1987-03-30 1988-05-17 Varian Associates, Inc. Low deflection force sensitive pick
US5075960A (en) * 1991-07-01 1991-12-31 Smith Christopher A Electrical pin pulling tool
US5256999A (en) * 1991-08-09 1993-10-26 Tokyo Kabushiki Kaisha Thread type magnetic core structure

Also Published As

Publication number Publication date
NL144762B (nl) 1975-01-15
GB996869A (en) 1965-06-30

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