US3745514A - Coaxial connector - Google Patents

Coaxial connector Download PDF

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Publication number
US3745514A
US3745514A US3745514DA US3745514A US 3745514 A US3745514 A US 3745514A US 3745514D A US3745514D A US 3745514DA US 3745514 A US3745514 A US 3745514A
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United States
Prior art keywords
jaws
sleeve
bushing
male
female
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
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A Brishka
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Sealectro Corp
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Sealectro Corp
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Application filed by Sealectro Corp filed Critical Sealectro Corp
Priority to US16593971A priority Critical
Application granted granted Critical
Publication of US3745514A publication Critical patent/US3745514A/en
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Application status is Expired - Lifetime legal-status Critical

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00Two poles

Abstract

A coaxial connector with male and female members, the female member having a slotted tubular structure forming jaws and having an internal abutment providing an interference fit with the male member which has an annular recess to receive the abutment and remove the interference. A sleeve having a larger diameter than the slotted tubular member is carried by this female member and provides an annular space between the jaws and the sleeve. A sleeve carried on the male member has a captive bushing which is spring urged forwardly to enter said annular space and prevent expansion of the jaws by completely overriding and overextending not only the end of said jaws but also the adjacent jaw area to provide a direct, non-slanting contact locking area and thereby achieve a positive, unbreakable connection.

Description

[ 11 3,745,514 [451 July 10,1973

1 1 COAXIAL CONNECTOR [75] Inventor: Alexander R. Brishka, Mamaroneck,

[73] Assignee: Sealectro Corporation,

Mamaroneck, NY.

22 Filed: July 26,1971

21 App1.N0.: 165,939

Related U.S. Application Data [63] Continuation of Ser. No. 856,980, Sept. 11, 1969,

593,252 10/1947 Great Britain 339/259 R Primary ExamineF-Joseph H. McGlynn Attorney-James M. l-leilman 5 7 ABSTRACT A coaxial connector with male and female members, the female member having a slotted tubular structure forming jaws and having an internal abutment providing an interference fit with the male member which has an annular recess to receive the abutment and remove abandoned" the interference. A sleeve having a larger diameter than the slotted tubular member is carried by this female [52] U.S. Cl. 339/91 R, 339/259 R member and provides an annulalr space between the [51] 111i. C1 H011 13/54 jaws and the Sleeve A sleeve carried on the male [58] Fleld 0186811311 339/91, 177, 259 ber has a captive bushing which is Spring urged f y wardly to enter said annular space and prevent expan- [56] References C'ted sion of the jaws by completely overriding and overex- UNITED S ES PATENTS tending not only the end of said jaws but also the adja- 3,3l4,041 4/1967 Potterin 339/91 R cent jaw area to provide a direct, non-slanting contact FOREIGN PATENTS 0R APPLICATIONS locking area and thereby achieve a positive, unbreakable connection. 1,268,628 6/1961 France 339/91 R 286,966 3/1928 Great Britain 339/259 R 1 Claim, Drawing Figures PATENTED JUL 1 0 I973 I N VEN'I'OR. ALEXANDER R. BRISHKA JOHN P. CHANDLER HIS ATTORNEY.

COAXIAL CONNECTOR 'This application is a continuation of Ser. No. 856,980, filed Sept. 1 l, 1969,. and now abandoned.

A coaxial connector with male and female members, the female member having a slotted tubular structure forming jaws and having an internal abutment providing an interference fit with the male member which has an annular recess to receive the abutment and remove the interference. A sleeve having a larger diameter than the slotted tubular member is carried by this female member and provides an annular space between the jaws and the sleeve. A sleeve carried on the male member has a captive bushing which is spring urged forwardly to enter said annular space and prevent expansion of the jaws by completely overriding and overextending not only the end of said jaws but also the adjacent jaw area to provide a direct, non-slanting contact locking area and thereby achieve a positive, unbreakable connection.

The female connector consists primarily of a tubular body which is slotted to provide jaws which can expand when the entering male connector or jack encounters an internal annular abutment. An external recess in the jack receives the abutment after the jack has moved to its innermost'position in the female portion. In this condition, the jack could be withdrawn axially, causing the jaws to spread, were it not for a retractable bushing carried on the male assembly which enters the annular space between the tubular member and a sleeve carried thereon so as to fill up the area therebetween. As long as the bushing remains in its full forward position, under spring pressure, the underlying jaws cannot retract, but when the bushing is moved rearwardly on the male assembly and the jack is accordingly drawn outwardly of the female portion, the jaws retract with ease.

In the drawing:

FIG. 1 is an exploded view, partly in section, showing the male and female portions and showing the relative diameters of the parts,

FIG. 2 shows parts in partially assembled condition;

FIG. 3 shows the parts in fully assembled and fully locked condition with the forward end of the bushing overlapping for a substantial distance the forward end of the jaws.

The connector of the present invention includes a female connector of tubular shape with a longitudinal bore extending inwardly from its outer end. A jack 11 has a diameter F which is slightly less than the bore diameter so that the jack can readily enter the bore. The female connector has a tubular body 12 with means at its rear end 14 for connection with a cable or to a panel and at its forward end it has slots 16 extending rearwardly to form jaws 17 on a flange 21. The body has an enclosing sleeve 18 to provide protection for the jaws and to limit spreading of the jaws to an extent greater than is desired or necessary.

A spring in the shape of a split ring 19 carried on the tubular body section causes the jaws to exert an approved measure ofcompression ontheslotted member. The tubular section has a rear annular flange 20 and a forward flange 21. These flanges confine the ring in about the position shown. At its forward end, the tubular section has an outwardly flared chamfer 22 and rearwardly. of this chamfer there is a section 24 of reduced diameter which is convexly curved in cross section and is proportioned to be received in an annular recess 26 of complementary shape in the jack 11. The

jack 11 is otherwise of constant diameter F until it reaches an enlarged body portion 28 which terminates in a further enlarged section 29.

An outer sleeve 30 is carried on the body portion and is formed inwardly at its rear end 31 to engage an annular chamfer 32 at the rear of the body portion. Portion 33 may have means for connection with a cable. When the jaws are at their maximum inward position, there is an annular clearance 27 between them and the bore in sleeve 18.

At its forward end, the sleeve has an annular flange 34 which confines a bushing 36 captive, the bushing having an enlarged rear flange 38. A spring 39 carried on the body section 28 urges the bushing outwardly. The bushing has an inner diameter G slightly larger than the outer diameter of flange 21 at the forward end of the tubular sleeve.

When the jack 11 moves into the tubular section 12, it encounters the reduced diameter section 24 and moves the jaws outwardly. The inner and outer ends of the tubular member has a diameter to freely admit jack 11 and the reduced diameter section 24 enters the annular recess 26 andholds the parts against easy axial displacement. If the tubular member 12 is made from such material as beryllium copper, which has spring properties, the split ring 19 may be omitted.

When the jack enters the bore in the tubular sleeve, it encounters the reduced diameter section 24 which provides an interference but continued movement causes the jaws to move radially outwardly. By the time the reduced diameter section 24 enters the annular recess 26, the jaws are free to move inwardly and continued inward movement causes the forward end of bushing 36 to enter the annular space 27 between flange 21 of the jaws and the bore in sleeve 18, all as shown in FIG. 3.

,In the bushing entering the intervening annular space, the end of the bushing will completely fill this v area and completely overextend the jaws 17 and entire flange area 21 of the tubular body whereby a positive, direct action locking will result.

A vector force diagram of the various forces shows more positive holding action because of the direct application of the entire end of the extending bushing over the entire end of the jaws. This results in better and more efficient locking action than a slanted or biased contacting area.

By moving sleeve 30 rearwardly against the compression of spring 39, the jaws are free to move outwardly to release the parts when tension is exerted on the male and female portions.

For the information of the Examiner, there is attached hereto and incorporated herein by reference an actual connector which is marked Exhibit A". Note that no amount of pull on connector 16 and connector 33 can disconnect these elements, yet a slight, gradual continuouspull on sleeve 30 (see FIG. 3, FIG. 2, and attached Exhibit A) will withdraw the locking bushing 36 and permit the protuberance 24 to ride out the channel 26 against the spring action of spring 19 and disconnect the elements.

While various prior art patents, such as US. Pat. Nos. 2,877,437 and 2,992,403, British patent 845,697, and

French patent 1,268,628, show certain of applicants features, none show applicants combination of rugged elements for maximum effective positive direct superimposed locking action. All of the above patents and ter of the tubular structure thereby providing an annular space between the jaws and the sleeve for expansion by the jaws; a male member including a solid cylindrical jack portion formed with an annular recess to receive the internal enlarged sections on the jaws when the two members are joined, a bushing with an out wardly extending flange which is resiliently urged to enter the annular space in the female member to lock the jaws over the jack, the end of said bushing completely filling the space between the jaws and the sleeve so as to positively prevent accidental expansion of the jaws until the bushing is withdrawn bythe sleeve.

Claims (1)

1. A coaxial connector having male and female members with means at their outer ends for attachment to cables and the like; the female member including a slotted hollow tubular structure forming jaws with enlarged ends and having an enlarged annular section but of reduced internal diameter, a sleeve also secured to the female member enclosing the tubular structure but having a larger internal diameter than the outer diameter of the tubular structure thereby providing an annular space between the jaws and the sleeve for expansion by the jaws; a male member including a solid cylindrical jack portion formed with an annular recess to receive the internal enlarged sections on the jaws when the two members are joined, a bushing with an outwardly extending flange which is resiliently urged to enter the annular space in the female member to lock the jaws over the jack, the end of said bushing completely filling the space between the jaws and the sleeve so as to positively prevent accidental expansion of the jaws until the bushing is withdrawn by the sleeve.
US3745514D 1971-07-26 1971-07-26 Coaxial connector Expired - Lifetime US3745514A (en)

Priority Applications (1)

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US16593971A true 1971-07-26 1971-07-26

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US3745514A true US3745514A (en) 1973-07-10

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US3745514D Expired - Lifetime US3745514A (en) 1971-07-26 1971-07-26 Coaxial connector

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Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017139A (en) * 1976-06-04 1977-04-12 Sealectro Corporation Positive locking electrical connector
US4209742A (en) * 1976-10-13 1980-06-24 Tektronix, Inc. Modular probe system
US4269472A (en) * 1979-10-26 1981-05-26 Amp Incorporated Electrical terminal
EP0041023A1 (en) * 1980-05-23 1981-12-02 RADIALL INDUSTRIE, Société Anonyme dite: Coaxial connector member
EP0052980A2 (en) * 1980-11-26 1982-06-02 AMP INCORPORATED (a New Jersey corporation) Kit of parts for a coaxial connector assembly
US4377320A (en) * 1980-11-26 1983-03-22 Amp Incorporated Coaxial connector
US4412717A (en) * 1982-06-21 1983-11-01 Amp Incorporated Coaxial connector plug
US4485580A (en) * 1981-05-22 1984-12-04 Fuji Kogyo Co., Ltd. Reel mount assembly of cylindrical structure
US4516821A (en) * 1982-06-28 1985-05-14 International Telephone & Telegraph Corporation Electrical connector locking mechanism
US4597620A (en) * 1984-02-13 1986-07-01 J. B. Nottingham & Co., Inc. Electrical connector and method of using it
US4619496A (en) * 1983-04-29 1986-10-28 Amp Incorporated Coaxial plug and jack connectors
US4655534A (en) * 1985-03-15 1987-04-07 E. F. Johnson Company Right angle coaxial connector
USRE32864E (en) * 1983-10-24 1989-02-14 Hosiden Electronics Co. Ltd. Connector with lock mechanism
DE3834171A1 (en) * 1988-10-07 1990-04-12 Neutrik Ag Single-pole plug with a screen connection, of coaxial type
US5041027A (en) * 1989-07-21 1991-08-20 Cooper Power Systems, Inc. Cable splice
US5176533A (en) * 1991-05-31 1993-01-05 Daiichi Denshi Kogyo Kabushiki Kaisha Electrical connector
US5316494A (en) * 1992-08-05 1994-05-31 The Whitaker Corporation Snap on plug connector for a UHF connector
US5588858A (en) * 1995-03-15 1996-12-31 Itt Corporation Connector system with wedge and grommet retainer
US5752839A (en) * 1995-06-30 1998-05-19 Labinal Components And Systems, Inc. Coaxial connector for press fit mounting
US5971770A (en) * 1997-11-05 1999-10-26 Labinal Components And Systems, Inc. Coaxial connector with bellows spring portion or raised bump
US6099350A (en) * 1999-09-10 2000-08-08 Osram Sylvania Inc. Connector and connector assembly
US6142812A (en) * 1998-06-02 2000-11-07 Kmw Co., Ltd. Connector
EP1253682A1 (en) * 2001-04-25 2002-10-30 Tyco Electronics AMP GmbH Electrical connector
US6589084B1 (en) * 1999-09-09 2003-07-08 Pfisterer Kontaktsysteme Gmbh & Co. Kg Device for plug-connecting electric lines
EP1434317A1 (en) * 2002-12-24 2004-06-30 Japan Aviation Electronics Industry, Limited Connector and mating connector and combination thereof
US20040136779A1 (en) * 2003-01-13 2004-07-15 Vishal Bhaskar Connector
EP1686662A2 (en) * 2005-01-26 2006-08-02 Samsung Electronics Co.,Ltd. Detachable antenna device for portable terminal
WO2007050938A2 (en) 2005-10-27 2007-05-03 Qualcomm Incorporated A method and apparatus for processing open state in wireless communication system
US20070105417A1 (en) * 2005-11-04 2007-05-10 Winchester Electronics Corporation Quick connect connector
US20090318023A1 (en) * 2008-06-18 2009-12-24 Tyco Electronics Corporation Electrical connector with slotted shield
WO2010141373A1 (en) * 2009-06-01 2010-12-09 Thomas Kari Coaxial connector with coupling spring
US8062063B2 (en) 2008-09-30 2011-11-22 Belden Inc. Cable connector having a biasing element
US20110312207A1 (en) * 2008-03-14 2011-12-22 Zonit Structured Solutions, Llc Locking electrical receptacle
US20120021645A1 (en) * 2009-03-30 2012-01-26 Tyco Electronics Uk Ltd. Coaxial connector with inner shielding arrangement and method of assembling one
US20120228025A1 (en) * 2011-03-12 2012-09-13 Ricardo Nieto Lopez Safety Device for Live Electrical Wire
US8469739B2 (en) 2011-02-08 2013-06-25 Belden Inc. Cable connector with biasing element
US20170110829A1 (en) * 2015-10-16 2017-04-20 T-Conn Precision Corporation Circular rapid-joint connector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB286966A (en) * 1927-07-28 1928-03-15 Lawrence Herbert Wadsworth Improvements in and relating to electric couplings and the like
GB593252A (en) * 1945-05-26 1947-10-13 Crabtree & Co Ltd J A Improvements in electric sockets
FR1268628A (en) * 1960-06-24 1961-08-04 Extincteurs J Martin Sa Des outlet for the partitions crossing
US3314041A (en) * 1964-03-04 1967-04-11 Extincteurs J Martin Sa Des Device for connecting conductors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB286966A (en) * 1927-07-28 1928-03-15 Lawrence Herbert Wadsworth Improvements in and relating to electric couplings and the like
GB593252A (en) * 1945-05-26 1947-10-13 Crabtree & Co Ltd J A Improvements in electric sockets
FR1268628A (en) * 1960-06-24 1961-08-04 Extincteurs J Martin Sa Des outlet for the partitions crossing
US3314041A (en) * 1964-03-04 1967-04-11 Extincteurs J Martin Sa Des Device for connecting conductors

Cited By (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017139A (en) * 1976-06-04 1977-04-12 Sealectro Corporation Positive locking electrical connector
US4209742A (en) * 1976-10-13 1980-06-24 Tektronix, Inc. Modular probe system
US4269472A (en) * 1979-10-26 1981-05-26 Amp Incorporated Electrical terminal
EP0041023A1 (en) * 1980-05-23 1981-12-02 RADIALL INDUSTRIE, Société Anonyme dite: Coaxial connector member
US4466685A (en) * 1980-05-23 1984-08-21 S.A. Radiall Coaxial connector element
US4377320A (en) * 1980-11-26 1983-03-22 Amp Incorporated Coaxial connector
EP0052980A2 (en) * 1980-11-26 1982-06-02 AMP INCORPORATED (a New Jersey corporation) Kit of parts for a coaxial connector assembly
EP0052980A3 (en) * 1980-11-26 1983-01-05 AMP INCORPORATED (a New Jersey corporation) Kit of parts for a coaxial connector assembly
US4485580A (en) * 1981-05-22 1984-12-04 Fuji Kogyo Co., Ltd. Reel mount assembly of cylindrical structure
US4412717A (en) * 1982-06-21 1983-11-01 Amp Incorporated Coaxial connector plug
US4516821A (en) * 1982-06-28 1985-05-14 International Telephone & Telegraph Corporation Electrical connector locking mechanism
US4619496A (en) * 1983-04-29 1986-10-28 Amp Incorporated Coaxial plug and jack connectors
USRE32864E (en) * 1983-10-24 1989-02-14 Hosiden Electronics Co. Ltd. Connector with lock mechanism
US4597620A (en) * 1984-02-13 1986-07-01 J. B. Nottingham & Co., Inc. Electrical connector and method of using it
US4655534A (en) * 1985-03-15 1987-04-07 E. F. Johnson Company Right angle coaxial connector
DE3834171A1 (en) * 1988-10-07 1990-04-12 Neutrik Ag Single-pole plug with a screen connection, of coaxial type
US5041027A (en) * 1989-07-21 1991-08-20 Cooper Power Systems, Inc. Cable splice
US5176533A (en) * 1991-05-31 1993-01-05 Daiichi Denshi Kogyo Kabushiki Kaisha Electrical connector
US5316494A (en) * 1992-08-05 1994-05-31 The Whitaker Corporation Snap on plug connector for a UHF connector
US5588858A (en) * 1995-03-15 1996-12-31 Itt Corporation Connector system with wedge and grommet retainer
US5752839A (en) * 1995-06-30 1998-05-19 Labinal Components And Systems, Inc. Coaxial connector for press fit mounting
US5971770A (en) * 1997-11-05 1999-10-26 Labinal Components And Systems, Inc. Coaxial connector with bellows spring portion or raised bump
US6142812A (en) * 1998-06-02 2000-11-07 Kmw Co., Ltd. Connector
US6589084B1 (en) * 1999-09-09 2003-07-08 Pfisterer Kontaktsysteme Gmbh & Co. Kg Device for plug-connecting electric lines
US6099350A (en) * 1999-09-10 2000-08-08 Osram Sylvania Inc. Connector and connector assembly
EP1253682A1 (en) * 2001-04-25 2002-10-30 Tyco Electronics AMP GmbH Electrical connector
US6659786B2 (en) 2001-04-25 2003-12-09 Tyco Electronics Amp Gmbh Electrical connector
EP1434317A1 (en) * 2002-12-24 2004-06-30 Japan Aviation Electronics Industry, Limited Connector and mating connector and combination thereof
US6942516B2 (en) * 2002-12-24 2005-09-13 Japan Aviation Electronics Industry Limited Connector and mating connector and combination thereof
US20040132329A1 (en) * 2002-12-24 2004-07-08 Toshio Shimoyama Connector and mating connector and combination thereof
US20040136779A1 (en) * 2003-01-13 2004-07-15 Vishal Bhaskar Connector
EP1686662A2 (en) * 2005-01-26 2006-08-02 Samsung Electronics Co.,Ltd. Detachable antenna device for portable terminal
EP1686662A3 (en) * 2005-01-26 2009-10-28 Samsung Electronics Co.,Ltd. Detachable antenna device for portable terminal
WO2007050938A2 (en) 2005-10-27 2007-05-03 Qualcomm Incorporated A method and apparatus for processing open state in wireless communication system
WO2007050821A2 (en) 2005-10-27 2007-05-03 Qualcomm Incorporated A method and apparatus for reducing power consumption in wireless communication systems
US20070105417A1 (en) * 2005-11-04 2007-05-10 Winchester Electronics Corporation Quick connect connector
US7322846B2 (en) * 2005-11-04 2008-01-29 Winchester Electronics Corporation Quick connect connector
US7513788B2 (en) * 2005-11-04 2009-04-07 Winchester Electronics Corporation Connector and method of mating same with a corresponding connector
US9065207B2 (en) * 2008-03-14 2015-06-23 Zonit Structured Solutions, Llc Locking electrical receptacle
US20110312207A1 (en) * 2008-03-14 2011-12-22 Zonit Structured Solutions, Llc Locking electrical receptacle
US20090318023A1 (en) * 2008-06-18 2009-12-24 Tyco Electronics Corporation Electrical connector with slotted shield
US7708563B2 (en) 2008-06-18 2010-05-04 Tyco Electronics Corporation Electrical connector with slotted shield
US8062063B2 (en) 2008-09-30 2011-11-22 Belden Inc. Cable connector having a biasing element
US8075337B2 (en) 2008-09-30 2011-12-13 Belden Inc. Cable connector
US8113875B2 (en) 2008-09-30 2012-02-14 Belden Inc. Cable connector
US8506325B2 (en) 2008-09-30 2013-08-13 Belden Inc. Cable connector having a biasing element
US20120021645A1 (en) * 2009-03-30 2012-01-26 Tyco Electronics Uk Ltd. Coaxial connector with inner shielding arrangement and method of assembling one
US9048587B2 (en) * 2009-03-30 2015-06-02 Tyco Electronics Uk Ltd Coaxial connector with inner shielding arrangement and method of assembling one
WO2010141373A1 (en) * 2009-06-01 2010-12-09 Thomas Kari Coaxial connector with coupling spring
CN102484336A (en) * 2009-06-01 2012-05-30 艾默生网络能源连接解决方案股份有限公司 Coaxial connector with coupling spring
EP2438659A1 (en) * 2009-06-01 2012-04-11 Inc Emerson Network Power Connectivity Solutions Coaxial connector with coupling spring
EP2438659A4 (en) * 2009-06-01 2014-01-29 Emerson Network Power Connectivity Solutions Inc Coaxial connector with coupling spring
US8469739B2 (en) 2011-02-08 2013-06-25 Belden Inc. Cable connector with biasing element
US9040822B2 (en) * 2011-03-12 2015-05-26 Ricardo Nieto Lopez Safety device for live electrical wire
US20120228025A1 (en) * 2011-03-12 2012-09-13 Ricardo Nieto Lopez Safety Device for Live Electrical Wire
US20170110829A1 (en) * 2015-10-16 2017-04-20 T-Conn Precision Corporation Circular rapid-joint connector

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