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Publication numberUS3101984 A
Publication typeGrant
Publication dateAug 27, 1963
Filing dateApr 7, 1959
Priority dateApr 7, 1959
Publication numberUS 3101984 A, US 3101984A, US-A-3101984, US3101984 A, US3101984A
InventorsWieckmann Gerhard
Original AssigneeGilbert Mfg Company Inc
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Push together, screw apart connector
US 3101984 A
Images(1)
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Description  (OCR text may contain errors)

Aug. 27, 1963 s. WIECKMANN PUSH TOGETHER, SCREW APART CONNECTOR Filed April '7, 1959 V44 7 AV VI/ whm m 3 INVENTOR.

fizz/Mk0 Mic/(MANN BY 2 g United States 3,1013% (fUEH TQGETI ER, SCREW APART CGNNECTUR e {1rd Wreckmann, {long island City, N .Y., assignor to V r bert Manufacturing Company, Ind, Long Island City, N.Y a corporation of New York Filed Apr. 7 .1959, Ser. No. 804,630 11 (llamas. (Cl. 339-69) This invention relates to improvements in connectors and more particularly to connectors having threaded mating portions so that the connector may be easily 1 socket.

The present invention is also useful for providing a simple to operate coupling for assembling tubular pipe sectionscarrymg a fluid at low or medium pressures or for sealing the open end of a. container.

Heretofore, to assemble or disassemble rigid threaded connectors one member of the connector had t relative to its mating member. The threadin g p e i li i i was not only time consuming, but oftentimes it was awkward such as when one member was an elongated tubular pipe section. Another example is in threading a conventional screw type base electric light bulb into a martin electric l ght bulb socket, especially a socketin a'ceilin g fixture, s1nce oftentimes the threads do not mate on the first twist or rotation, thus requiringa fresh grip to be taken on the bulb for repositioning the thread of the bulb relative to the threadsof the socket, and then'rotatin the bulb until the respective threads of the bulb and socket first begin to mate.- To take a fresh grip on the electric light bulb so as to change the relative position of theleading threads of thescrew type base to those of the socket creates the possibility that the bulb might fall V 1:- flfir a Q up EQ Patented Aug. Z7, 1963 2 substantially greater than the necessary insertion force. I he construction of the connector is such that a substantially fluid tight seal is created in the fitting of the members. v

It is therefore an object of this invention to provide a connector which may be easily assembled by pushing the members together so that a relativelystrong connection is obtained without screwing or rotating either member.

A further object of this invention is to provide a connector which receives and firmly holds "a threaded member, without requiring any threading operation for assembling and requires a force many times the; assembling force to separate the members of the conneotor and -A still further object of the present invention is to member, one of which members isthrea-ded, with the male member being readily inserted into the female member by a straightforward motion but requiring a force many times the assemblingfor-ce to pull apart,

A still further object f the present inventionis to providea connector into which a threaded mating memher is straightforwardly inserted and held in such a manner as to provide a substantially fluid tight seal at low and medium pressures. Still another object is to provide an electric light bulb socket into which a threaded light 'bulb'is easily and quickly inserted and which bulb is held'firrnly in operating position until unscrewed. V I

Still another object is to provide arconnector. that accomplishes all of the above and yet is simple in conto the floor and thereby be destroyed or at least damaged.

did not prove to be satisfactory since the electric light I bulb was not securely held in the lamp socket and any slight force or pull separated the bulb fro-mthe socket, not only making a poor electricahconnection but creating the danger of the bulb falling. Also, heat adversely 5ihefcted the flexible material, giving a very short useable 1 e. 1 Heretofore if an electric light bulb was to be used out in the open exposed to the dampness of the atmosphere or even rain, a separate sealing arrangement was necessary to prevent moisture from seeping into the socket and shorting the terminals. Similarly a threaded connector joining the abutting sections of a fluid carrying pipe, generally required a separate sealing gasket or arrangement to provide a fluid tight joint to prevent the. escape and loss of any of the fluid being carried. In the past, when using threaded connectors, especially pipe couplings, care was required to'prevent damaging or nicking of the threads. If any threads were damaged,

difficulty would arise 1n threading the mating sections as well as securing a leak proof joint.

her. The threaded member will be retained in the receiva ing member notwithstanding a withdrawing force that is" struotion, inexpensive to manufacture, easy toinstall and manipulate, compact,.and durable in use.

Other objects and advantages of the'invention will be more apparent when the following description is considered in connection with the annexed drawings, in which FIGURE 1 is an exploded elevation sectional view showing electric light bulb socket according to the present invention into which an electric light'bulb having a conventional screw type base is to be inserted;

FIGURE 2 is a similar view as FIG. 1 showing the light bulb inserted in operating pos1tion in the light bulb socket;

light bulb socket taken along" line 3 -3013 FIGURE 1; FIGURE 4 is aside elevation sectional view showing a closure according to the present invention, and

FIGURE 3 is a top plan sectional view of the electric FIGURE 5 is a side elevation sectional view of a pipe couplingconstruoted according to the present invention joiningtwo' sections oci tubing.

In accordance with the objects of this invention a novel type of connecting means is provided which is-adapted to firmly hold in assembled position a mating male and female member, one of which is threaded, up on a straightforwardly inward force being applied to the members to join them in operating position. Once assembled the connection can be separated easily only by screwing apart the members, since the straight outward force required to separate the members would be many times the assembling force, such as on the order of ten times the as-v sembling force. A resilient seal. or washer fitted in a groove provides the holding force allowing easy eiitryof the mating member but resisting withdraw-ah It should be noted that while the drawings show a male and female member being assembled withthe male member being the threaded member, the invention is not so limited since the female member could equally as welli'be the. threaded member, with the annular ring encircling the male mem-.

ber. Referring now to FIGURES 1- 3, an electric light socket 10 is shown constructed according to the present inven- 15 yet allowing the connector to be readily screwed apart.

. surface of ring 31 projects .side wall 28 of goove 26 tion. Electric light bulb socket has an outer husk or ousing 11 and has an internal cylindrical, hollow cavity portion 13 having side walls 14 which extend down into the husk 11 and terminate at a bottom wall 16. Husk 11 can be made of any suitable insulating material, such as porcelain, rubber or plastic. A pair of insulated current carrying conductor wires 19 and 21 extend into cavity 13 of husk 11 and supply current to contacts 17 and 18 respectively of light bulb 22 in a well known manner, which is discussed below. Light bulb 22 has a conventional screw type base 23. While a Christmas tree type light bulb is shown, it is obvious that any type electric light bulb having a screw type base could be used and that this bulb could have any suitable desired shape, the particular light bulb used being no part of the present invention.

' Side wall 14 of cavity 13 has on its interior surface a recessed groove 26 extending circumferentially about wall 14. Groove 26 has a side wall 27, closer to bottom wall 16 of cavity 13 and a side wall 28 closer to the entrance of the cavity 13. The peripheral or bottom surface of groove 26 has indentations or nibs '29 positioned therein as shown best in FIG. 3. As shown in FIGURES l and 2, the diameter of the cavity of husk '11 is greater above groove 26 than below it. 1 The diameter of cavity 13 below groove 26 is slightly larger than the diameter of the screw base 23 of bulb 22, which is to be received therein.

An annular ring 31 made of a resilient type material such as rubber, plastic or composition is seated in circumferential groove 26. The cross section of ring 31 should preferably be substantially circular, rectangular or oval so as to make a good fit with the threads of base 23. The dimension of one section of annular ring 31, indicated at 38 in FIG. 1 is chosen so that its inner surface will extend into cavity 13 beyond the larger side wall of recess 26, here side wall '27, so that the inner peripheral beyond the surface of wall 14 and thus will engage the threads of base 23 of bulb 22.

In use, resilient annular ring 31 is seated in groove 26 of lamp socket 10. Base 23 of electric light bulb 22 is pushed straightforwardly into cavity 13 of husk 11 past ring 31 until terminal 33 of electric bulb 22 contacts electric contact 17 positioned at the bottom of cavity Y13 and contact 18 of husk 11 lmakes contact with the outer terminal 35 of electric light bulb 22 as shown in FIG- URE 2. The nature of the contacts positioned in electric light socket 10 may be of any form and shape and form no part of the present invention. Electric light bulb 22 is firmly held in operating position in electric light socket 10. The threads on screw type base 23 of bulb 22 compress and distort annular ring operating position. As discussed above, the diameter of cavity 13 of husk 11 below groove 26 is smaller than the diameter of cavity 13 above groove 26 thereby making lower groove wall 27 larger than upper groove wall 28.

groove side wall 27 extends over a substantial portion of the abutting lateral face of annular ring 31 thus and limit the degree the inward direction. Upper being narrower than groove side wall 27 does not support as'large a surface of the abutting lateral face of ring 31. Upon a straightforward of deformation of ring 31 in 'being only slightly supported by groove side wall 28, is deformed and thus rolls up on wall 14 abutting groove side wall 28. This deformation of annular ring 31 causes it to more firmly grip the lamp threads t The deformation of annular ring 31 by the threads of 31 when bulb 22 is in.

4 the screw base 23 of electric light bulb 22 forms a tight seal against the lamp base 23 and (thus tends to the electric light bulb '22 from becoming loose in the ment. It should also be noted that the resilient annular ring 26 provides a substantially watertight seal around the base of electric light bulb 22 thereby preventing water or moisture from entering and possibly short circuiting contacts 17 and 18 in the bottom of cavity 13 of husk 11. As shown in FIG. 3, the indentations or nibs 29 located in the bottom of circumferential groove 26 engage resilient annular ring 31 and prevent ring 31 from rotating in the groove. Normally such indentations are not necessary to the successful operation of this invention since there is no tendency of rotation of the annular ring in normal operation as described above. However, there is a tendency for annular ring 31 to be rotated when light bulb 22 is screwed in for assembling instead of straight line movement of bulb 22 into socket 10. If desired, nibs 29 may be positioned in the side walls of groove 26 instead of the bottom of groove 26 as shown. Also, ring 31 may be prevented from rotating by other means such as making a force fit between groove 26 and ring 31.

FIGURE 4 shows another embodiment of the invention in which a rigid closure or cap 42 has a groove and described above, in connection with smaller diameter bore above groove 43 closest to the closed end. Similarly as described above with respect to FIGURES 1 and 2, the groove side wall 44 being adjacent the smaller bore of the cavity is larger than the more support to an annular, resilient ring 49 which is seated in groove 43. Cap 42 may lbfi used to close any type of an open container havinng a threaded opening, such as a bottle 51 shown in FIG. 4. Cap 42 is pushed onto the threaded male member 51, thereby firmly holding cap 42 in position. Cap 42 can be removed easily only by screwing it off in the ordinary manner.

Sealing means is thus provided for containers having a threaded opening such as jars or cans used with foods, drinks, etc. The closure shown in FIGURE 4 allows a tight seal about the edges of a container preventing dirt, moisture or water from entering the container and similarly preventing any leakage occurring from the container. This type of closure provides an economical method of assembling and capping containers in a large mass production line, since a tight seal is obtained merely by applying a small inward force to the cap forcing the re silient ring over the threads of the container.

A-further embodiment of the present invention is shown end 66. Shell end 66 has about its inner cylindrical Shell end 66 has a bore 68 a diameter which is subdiameter of pipe end 62,

a circumferential groove 67 surface and between its ends. inwardly of groove 67 having stantially equal to the outer and a bore 69 outwardly from groove 67 and adjacent the outer edge which is slightly larger than bore 68. A resilient annular ring 71 is seated in groove 67. In the manner indicated above with respect to FIGURES 1, 2 and 4 threaded section 62 can be firmly connected to abutting member 61 by a relatively small inwardly directed force. Upon being so assembled, the connection Coupling two sections of pipe in a manner described in connection with FIGURE is especially adapted for use with thin wall tubing so that the assembling force used is limited and where relatively small or medium pressures are involved or where only temporary assembl is desired. This coupling allows easy assembling of pipe sections and prevents any leak or loss of fluid carried by the pipes or prevents any impurities from entering the pipes. A proper choice of material for resilient 71 will insure the safe carrying of a wide variety of fiuids, such as corrosive materials or water. The pipe may be of any material normally used with respect to the liquid and conditions to be met in use. While FIGURE 5 shows the connector integrally attached to one section of pipe, the connector may be separate, having two annular rings on each side so as to receive and hold in abutting relationship two mating threaded pipes.

It should be noted that the invention is not in any manner limited to a specific diameter or screw thread or to a specific size husk or female or male member. It should also be noted that the invention is not in any manner limited to the female member having the groove and resilient annular ring incorporated therein, but that the groove annd resilient annular ring may be placed on themale member and the female member may be threaded instead. I

Also, while the drawings show the inner diameter of each portion of the connectors to be uniform, this is not necessary as long as the side wall of the groove facing the inlet opening is smaller than the rearward side wall of the groove.

While preferred embodiments of the invention have been described above, it will be understood that many variations thereof will be readily apparent to those skilled in the art without departing from the spirit thereof. Therefore, it is intended that the foregoing description shall be deemed illustrative only and not construed in a limiting sense the present invention being defined solely by the appended claims.

What is claimed is:

l. A connector for detachably joining a mating threaded member comprising a body portion having a cylindrical surface adapted for slidably receiving said threaded memer, said cylindrical surface having a circumferential groove intermediate of its ends, the diameter of the said cylindrical surface on one side of said circumferential groove being slightly larger than the diameter of the cylindrical surface on the other side of said groove so that one side wall of said groove is slightly larger than the other side Wall of said groove, the smaller side wall of said groove being closer to the leading edge of cylindrical surface, an annular ring of resilient cornpressible material disposed within said groove, said ring having a peripheral surface extending beyond the outer edge of the larger side wall of said groove for engaging the threads of said threaded member in its mating position and to be distorted and compressed thereby, said threaded member nular ring having a peripheral surface extending beyond the outer edge of the larger side wall of said groove, and a second member having a threaded cylindrical surface adapted for slidable movement with respect to the cylindrical surface of said first member, said ring being distorted and compressed in response to engaging said threaded surface of said second member, said first and second members being readily assembled by said male member being straightforwardly inserted into said female member and into engagement with said annular ring thereby distorting said annular ring and causing said annular ring to grip the threads of said threaded member and hold said male member within said female member and only allowing said members to be readily disassembled upon screwing apart the members in a conventional manner.

3. A female connector for detachably assembling a mating threaded male member comprising a body portion having an interiorly directed cavity, a portion of which is substantially cylindrical, said connector having a circumferential groove in the cylindrical portion of said cavity, the inner diameter of said cavity on one side of said groove being slightly larger than the inner diameter of the cavity on the other side of said groove, so that one side wall of said groove is larger than the other sidewall of said groove, the larger diameter cavity being adjacent the entrance of said cavity, an annular ring of resilient material disposed within said groove and having its inner peripheral surface extending beyond the upper edge of the larger side wall of said groove into said cavity so as to be subjected to a deforming force in response to said threaded male member being telescopically urged into the female connector and into engagement therewith, said annular ring gripping the threads of said threaded member and thereby securely and sealingly holding it within said female member in assembled position and preventing said threaded male member from being readily straightforwardly removed, said groove having a plurality of projections for preventing said annular ring from rotating.

4. A female connector for detachably assembling a mating threaded male member comprising a body portion having an interiorly directed cavity, with a portion havinga substantially cylindical sidewall, said sidewall having .a circumferential groove therein, the inner diameter of said cavity on one side of said groove being slightly larger than the inner diameter of the cavity on r the other side of said groove so that one side wall of being removably held in assembled position. by being straightforwardly urged into engagement with said annular ring thereby distorting said resilient annular ring and causing said annular ring to grip the threads of said threaded member thus holding firmly said threaded member and only allowing said threaded member to be readily disassembled by screwing apart the members in a conventional manner.

2. A connection for detachably joining a mating male member and a female member comprising a first member having a generally cylindrical surface with a circumferential groove therein intermediate of its ends and with the cylindrical surface on one side of said groove having a slightly larger diameter than the cylindrical surface on the other side so that one side wall of said groove is slightly larger than the other side wall of said groove, the smaller side wall of said groove being closer to the leading edge of said cylindrical surface, an annular ring of resilient material disposed within said groove, said ansaid groove is larger than the other side wall of said groove, the larger diameter cavity being adjacent the entrance of said cavity, an annular ring of fiuid impervious resilient material disposed within said groove and abutting the bottom wall of said groove, said ring having its inner peripheral surface extending beyond the upper edge of the larger side wall of said groove into said cavity, so as to be subjected to a deforming force in response to said threaded male member being telescopically urged into the female connector into engagement therewith, said annular ring gripping the threads of said threaded member and therebysecurely and sealingly holding it within said female member in assemble-d position and preventing said threaded male member from being. readily, straightforwardly removed.

' 5. An electric light bulb socket for receiving an electric light bulb havin ga conventional screw type base comprising a body portion, said body portion having an internal cavity with substantiallycylindrical side walls and a bottom wall, and a plurality of contact members adjacent said bottom wall, a plurality of current carrying wires passing through said bottom wall into said cavity, each of said conductors making electrical contact with a respective said contact, a circumferential groove in said cylindrical side wall, said groove having one side wall larger than the other side wall with the smaller side wall closer to the entrance of said cavity, a toroidal member of resilient material disposed within said groove having its inner peripheral surface extending beyond the upper edge of said larger side wall of said groove and being subjected to a deforming force in response to said screw base of said electric light bulb being pushed into said socket into engagement with said toroidal member for causing said toroidal member to grip the threads of the screw base thereby holding it within said socket and allowing said light bulb to be readily removed only by unscrewing in the conventional manner.

6. A connection for detachably assembling a mating male member and female member each having a corresponding mating surface, comprising one member having a groove in its said mating surface, said groove having one side wall larger than the other side wall, a second member having its said mating surface threaded, and a fluid impervious flexible compressible member seated within said groove and abutting all of its walls and having a peripheral surface extending beyond the other edge of said larger side wall of said groove, said flexible member being held in compression within said groove to act as a holding and sealing element when said mating members are in mating position, said flexible member also being deformable to a greater degree in response to a straight forward separating force than a straight forward assembling force, said mating members being readily assembled by said male member being straight forwardly and telescopically inserted into said female member in a direction of movement towards the larger side wall of said groove, thereby compressing said flexible member and causing it to firmly grip the threads of said threaded member and only allowing the assembled members to be readily disassembled by unthreading the members.

7. A push together screw apart connection comprising telescopic parts including a tubular member having a circumferential groove therein, said circumferential groove having one side wall slightly larger than the other side wall, a second member having a threaded surface mating with a surface of said tubular member and a toroidal sealing element of compressible resilient material seated within said groove and having a peripheral surface compressed and distorted by engagement with said threaded surface sembled by respective axial movement i'ira direction towards the larger side wall of said groove for engaging and compressing the toroidal element and causing said element to firmly grip the threads of said threaded member and only allowing the assembled member to be readily disassembled by unthreading.

8. A connector for detachably joining a coacting mating threaded member comprising a body portion having a generally cylindrical surface for telescopic assembly with said threaded member, said surface having a circumferential groove therein intermediate of its ends, said groove having one side wall slightly larger than the other side wall, and means disposed within said groove having a flexible portion projecting beyond the outer edge of the larger slde wall of said groove for sealingly engaging the tor only by an ordinary unscrewing operation.

9. A connector for detachably joining a coacting mating threaded member comprising a body portion having a generally cylindrical surface for telescopic assembly with said threaded member, said surface having a circumferential groove therein intermediate of its ends, with the cylindrical surface adjacent one side of said groove being slightly larger in diameter than the cylindrical surface on the other side so that one side wall of said groove is slightly larger than the other side wall of said groove, a toroidal sealing member of flexible material disposed within said groove, said member having a peripheral yieldable surface extending beyond the outer edge of the larger side wall of said groove for sealingly clamping the threads of said threaded member when said threaded member is in assembled position, said sealing member being urged towards the larger side wall ed member may be disengaged from said connector by ordinary unscrewing operation.

10. A connector for detachably joining a co-acting mating threaded member comprising a body portion having an unthreaded cylindrical surface for telescopic assembly with said threaded member, spaced apart supporting surfaces circumferentially carried on said cylindrical surface and substantially at right angles thereto, one of said supporting surfaces being of a greater height than the other, and flexible sealing means carried on said cylindrical surface between said supporting surfaces and protruding therefrom for sealingly clamping the threaded surface of said threaded member when said threaded member is operatively telescopically assembled relative to said connector, said supporting surfaces limiting longitudinal deformation of said flexible means in the longitudinal direction toward said larger surface more than in the opposite direction so that in response to longitudinal movement in the opposite direction said flexible means deforms and securely clamps the thread of said threaded member whereby said threaded member can be readily removed in the opposite direction only by a conventional unthreading operation.

11. In telescoping male and female members a rib extending from a telescoping surface on one member, a cylindrical surface on said other member in telescopic from for sealingly clamping the rib when said one member is in telescopic relation to said other member, said supporting surfaces limiting longitudinal deformation of said flexible means in the longitudinal direction towards References Cited in the file of this patent UNITED STATES PATENTS

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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3278890 *Apr 13, 1964Oct 11, 1966Pylon Company IncFemale socket connector
US3504329 *Jun 19, 1967Mar 31, 1970Gilbert Mfg Co IncPush-in type of light socket
US3897874 *Jun 10, 1974Aug 5, 1975Coons Gex BPressurized storage container
US4180301 *Mar 15, 1978Dec 25, 1979Bunker Ramo CorporationCoaxial cable connector
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US5660560 *Dec 22, 1995Aug 26, 1997Cheng; You-JenWater-tight lamp socket
US5759062 *Dec 19, 1996Jun 2, 1998Chen; Ming-HsiungLamp socket with water seal means for X'mas tree light set
US5791927 *Dec 10, 1996Aug 11, 1998Iannone; SamMeans for sealing a light bulb in a socket
US6647845 *Apr 10, 2000Nov 18, 2003Matsushita Electric Industrial Co., Ltd.Sheet retainer for punching ceramic green sheet and punching apparatus
US8008586Dec 21, 2009Aug 30, 2011Whirpool CorporationMechanically energized mechanical power communication coupling system
US8151016Dec 21, 2009Apr 3, 2012Whirlpool CorporationMechanically energized electromagnetic service connector system
US8212430Dec 21, 2009Jul 3, 2012Whirlpool CorporationApparatus and system for communicating electromagnetic service
US8342480Dec 21, 2009Jan 1, 2013Whirlpool CorporationSubstance communicating device with mechanically energized connector
US8382065Dec 21, 2009Feb 26, 2013Whirlpool CorporationSubstance communicating device with mechanically energized connector system
US8387948Dec 21, 2009Mar 5, 2013Whirlpool CorporationMechanically energized substance communication coupling system
US8405253Dec 21, 2009Mar 26, 2013Whirlpool CorporationMechanically energized eService connector system
US8430221Dec 21, 2009Apr 30, 2013Whirlpool CorporationMechanically energized mechanical power coupling system
US8439178Dec 21, 2009May 14, 2013Whirlpool CorporationProximity sensor enabled mechanical power coupling system
US8517337Dec 21, 2009Aug 27, 2013Whirlpool CorporationProximity sensor enabled substance communication coupling system
US8528610Dec 21, 2009Sep 10, 2013Whirlpool CorporationMechanically energized substance communication coupling system
US8700809Dec 21, 2009Apr 15, 2014Whirlpool CorporationSubstance communicating device with activatable connector and cycle structure
US8745203Dec 21, 2009Jun 3, 2014Whirlpool CorporationMechanical proximity sensor enabled eService connector system
Classifications
U.S. Classification439/253, 439/271, 285/918, 285/911, 411/512, 277/625, 277/910, 220/304, 285/906, 29/451
International ClassificationH01R33/22, F16L37/04, H01R13/20, B65D39/00
Cooperative ClassificationH01R13/20, H01R33/22, B65D2539/006, B65D39/0023, Y10S285/918, Y10S285/911, F16L37/04, Y10S285/906, Y10S277/91
European ClassificationH01R33/22, B65D39/00F3, F16L37/04, H01R13/20