US2648883A - Wedge type wire connector - Google Patents
Wedge type wire connector Download PDFInfo
- Publication number
- US2648883A US2648883A US115880A US11588049A US2648883A US 2648883 A US2648883 A US 2648883A US 115880 A US115880 A US 115880A US 11588049 A US11588049 A US 11588049A US 2648883 A US2648883 A US 2648883A
- Authority
- US
- United States
- Prior art keywords
- gripping
- connector
- conductor
- initial
- wedge type
- 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
Links
- 239000004020 conductor Substances 0.000 description 18
- 210000002105 tongue Anatomy 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
-
- 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
- Y10T403/00—Joints and connections
- Y10T403/57—Distinct end coupler
- Y10T403/5793—Distinct end coupler including member wedging or camming means
-
- 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
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7047—Radially interposed shim or bushing
- Y10T403/7051—Wedging or camming
- Y10T403/7052—Engaged by axial movement
- Y10T403/7058—Split or slotted bushing
Definitions
- My invention relates to connectors and more particularly to connectors for splicing wires and is an improvement on the connector set forth in Patents Nos. 2,209,933 and 2,215,072 granted to Julian Rogoif on July 30, 1940, and September 17, 1940, respectively.
- My present invention consists in an improved form of springy sheet metal gripping fingers, which eliminates the necessity of a coiled backing spring, thus shortening the overall length of the connector, and which insures a more positive initial gripping of the inserted conductors.
- a splice type of connector a better gripping means for insuring positive grip of the conductors when inserted; to provide such a gripping means that can be axially maintained and aligned in position in the connector envelope so that jamming and loosening will be avoided; and to provide a splice type of connector of a simplified construction by eliminating a tensioning spring and attachment means between the gripping means and the jaws resulting in a connector having a minimum number of parts which can be inexpensively manufactured and more easily assembled.
- Fig. 2 is a longitudinal cross sectional enlarged view of the self aligning gripping means
- Fig. 3 is a front elevational view of the gripping means taken along line 33 in Fig. 2.
- reference numeral designates a splice type of connector comprising a tubular body or sleeve 1 I having a central cylindrical portion A and tapered end portions B, and swaged ends C.
- the end portions are open to receive the bared end of conductors l2.
- Each end portion and component parts may be identical with each other providing lateral symmetry and interchangeability of the internal parts.
- Gripping jaws I3 are mounted 2 1 I within each end portion, and have a tapered outer surface It to conform to the cone-shaped internal surface 15 of the end portions.
- Each gripping jaw is longitudinally bored at l6 to receive the bared end of the conductor and may be provided with serrations I! to grip the conductor more positively.
- the gripping jaws are provided with a plurality of longitudinal slots [8 extending from the outer end short of the inner end to form a plurality of circumferential, springy tongues. IS.
- the springiness of the tongues may be increased by providing peripheral grooves 20 at the inner end of each jaw member.
- is mounted within the cylindrical portion A of the sleeve adjacent the inner ends of the gripping jaws to receive and initially clamp the ashamed ends of the conductors.
- the invention is for the most part incorporated in my novel self aligning body or initial gripping body 2 1, shown in detail in Figures 2 and 3, which may be constructed of brass and which comprises a cylindrical wall portion 22 closed at the inner side by end wall 23 forming a cup-like receptacle of a depth sufficient to receive the bared end of the conductor and presenting a long cylindrical outer surface.
- the outer dimensions of the cylindrical outer wall 22 are slightly less than the inner diameter of the central portion A to permit the initial gripping body to slide within the central portion.
- the initial gripping body will always remain axially aligned within the sleeve to prevent canting and jamming, without the need of a tensioning spring previously found necessary.
- Gripping ring 24 which may be constructed of phosphor bronze metal, is mounted within the outer end or mouth of the initial gripping body and secured in position between a peripherally formed bead 25 and swaged rim 26.
- the ring 24 is provided with a central aperture 21, of a diameter less than that of the conductor to be accommodated, with a plurality or radially positioned slots 28 extending from the periphery of aperture 21 short of the outer periphery of the ring to form a plurality of radially extending resilient fingers 29 which may be canted inwardly to facilitate insertion of the conductors.
- the fingers 29 have sufiicient springiness whereby when the conductor is inserted the fingers are pushed inwardly as shown in the left side of Fig. 1. When a tension is applied to the com 3 ductor to withdraw it from the initial grippin body the springy fingers lock the conductor within by a wedge action, which prevents the conductor from being withdrawn, as shown in the right of Fig. 1.
- any withdrawal movement of the conductor out of the connector body carries the body outwardly and abuts the inner end or base of the gripping jaws, forcing it outwardly.
- the outward movement of the jaws causes the jaw tongues to be cammed against the cone shaped internal surface 15.- forqing-the tongues radially to clamp the conductors. secuiel within the connector sleeve.
- I claim 1. A wir co nector comprising a tubular s eev having a yl d ical po t on and a QPen c. 151 Portion, said open end having a o e-shap d :int rnal sur a e.
- a r pping Jaw lidab y mo nte within said open end portion vand having a ta- Dered outer su face to en age aid ane-shap interna surface and a se d $11 is t a wi e inserted t er in, an n tial Wi e body slidab v m unte ithin the av m nal pcnticn haying m maliv inwa d r iliently biased projecting fingers extending therefrom to initially grip a wire inserted into the connector, said gripping body having a smooth cylindrical wall closely aligned with the inner surface of the cylindrical portion of the sleeve, whereby the gripping body may be axially displaced within the cylindrical portion and be maintained in alignment therein.
- a wire connector comprising 'a; tubular sleeve having a cylindrical portion and an open end portion, said open end having a cone-shaped internal surface, a gripping jaw slidably mounted within said open end portion and having a tapered anter snrtace to engage said cone-shaped internal surface and a serrated surface to grip a wire inserted therein, an initial wire gripping body unconnected to.
- said gripping jaw slidably mounted within the cylindrical portion having radially projecting resilient fingers extending therefrom to initially grip a wire inserted into he o c des d gripping; od ha ing a fl inn r end w ad p d.
- t be n a b the ,1 sert d o du or.
- a d mwth ind ica wa l closely aligned with the inner surface of the cylindrical portion of the sleeve whereby the cylindrical body may be maintained in alignm it when an l y di p ac d.
- said rad all 'prm jecting fingers being formed in a plate mounted h n the op n e d 9f he itia W r r ppin bGQY.
- a Wire conn c r comp isin a u l r sleeve having a cylindrical portion and an open end portion, said open end having a cone-shaped internal surface, a gripping jaw slidably mounted thin aid o en end p rtin a d av a t pered outer surface to engage said cone-shaped internal surface and a serrated surface to. grip a wi e nse ed there an nit i e g inni body unconnected to said gripping jawslidably mounted within the cylindrical portion having radially projecting resilient fingers extending therefr m o i it all g wir t d n?
- th conn cto id riPP Q body having e projecting fingers formed in a plate, and 'an open end of the body terminating in a radial flange adaptd to contact the inner end of the rippin jaw.
Description
Aug. 18, 1953 H. P. DUPRE WEDGE TYPE WIRE CONNECTOR Filed Sept. 15. 1949 INVENTOR flenripeirfla ore E AW Q Q Q Q Q m w m QNMW Q\ 1 b AEI Patented Aug. 18, 1953 UNITED STATES PATENT OFFICE WEDGE TYPE WIRE CONNECTOR Henry P. Dupre, Croton-on-Hudson, N. Y., as-
signor to. Burndy Engineering- Company, Inc., a corporation of New York Application September 15, 1949, Serial No. 115,880
7 3 Claims. 1
My invention relates to connectors and more particularly to connectors for splicing wires and is an improvement on the connector set forth in Patents Nos. 2,209,933 and 2,215,072 granted to Julian Rogoif on July 30, 1940, and September 17, 1940, respectively.
In the prior patents there was first disclosed a wire splice type of connector employing springy sheet metal fingers to maintain the jaw members in radially spaced relation and to initially grip a conductor when inserted therein to insure the proper movement of the jaws for the final gripping action.
My present invention consists in an improved form of springy sheet metal gripping fingers, which eliminates the necessity of a coiled backing spring, thus shortening the overall length of the connector, and which insures a more positive initial gripping of the inserted conductors.
Among the principal objects of my invention are to provide in a splice type of connector a better gripping means for insuring positive grip of the conductors when inserted; to provide such a gripping means that can be axially maintained and aligned in position in the connector envelope so that jamming and loosening will be avoided; and to provide a splice type of connector of a simplified construction by eliminating a tensioning spring and attachment means between the gripping means and the jaws resulting in a connector having a minimum number of parts which can be inexpensively manufactured and more easily assembled.
I accomplish these and other objects and ob tain my new results as will be apparentfrom the device described in the following specification, particularly pointed out in the claims, and illustrated in the accompanying drawing, in which-- Fig. l is the longitudinal cross sectional view of my splice type of connector.
Fig. 2 is a longitudinal cross sectional enlarged view of the self aligning gripping means, and
Fig. 3 is a front elevational view of the gripping means taken along line 33 in Fig. 2.
Referring more particularly to the drawing, reference numeral designates a splice type of connector comprising a tubular body or sleeve 1 I having a central cylindrical portion A and tapered end portions B, and swaged ends C. The end portions are open to receive the bared end of conductors l2. Each end portion and component parts may be identical with each other providing lateral symmetry and interchangeability of the internal parts. Gripping jaws I3 are mounted 2 1 I within each end portion, and have a tapered outer surface It to conform to the cone-shaped internal surface 15 of the end portions. Each gripping jaw is longitudinally bored at l6 to receive the bared end of the conductor and may be provided with serrations I! to grip the conductor more positively.
The gripping jaws are provided with a plurality of longitudinal slots [8 extending from the outer end short of the inner end to form a plurality of circumferential, springy tongues. IS. The springiness of the tongues may be increased by providing peripheral grooves 20 at the inner end of each jaw member. .An unattached cylindrical conductor initial gripping body 2| is mounted within the cylindrical portion A of the sleeve adjacent the inner ends of the gripping jaws to receive and initially clamp the hatred ends of the conductors.
The invention is for the most part incorporated in my novel self aligning body or initial gripping body 2 1, shown in detail in Figures 2 and 3, which may be constructed of brass and which comprises a cylindrical wall portion 22 closed at the inner side by end wall 23 forming a cup-like receptacle of a depth sufficient to receive the bared end of the conductor and presenting a long cylindrical outer surface. The outer dimensions of the cylindrical outer wall 22 are slightly less than the inner diameter of the central portion A to permit the initial gripping body to slide within the central portion. But because of the long contact surface of the initial gripping body with the inner surface of the central portion of the sleeve, the initial gripping body will always remain axially aligned within the sleeve to prevent canting and jamming, without the need of a tensioning spring previously found necessary.
With the bared ends of the inserted conductor initially gripped by the fingers. of the initial ipping body, any withdrawal movement of the conductor: out of the connector body carries the body outwardly and abuts the inner end or base of the gripping jaws, forcing it outwardly. The outward movement of the jaws, causes the jaw tongues to be cammed against the cone shaped internal surface 15.- forqing-the tongues radially to clamp the conductors. secuiel within the connector sleeve.
In the foregoing device I have illustrated a, novel initial gripping body in the form of a cylindrical cup having resilient fingers toinitial: ly grip a conductor inserted into a wedge type splice connector. By providing such a grippin body with a long cylindrical contact surface closely fitting within the cylindrical portion of the sleeve, I am able to obtain axial alignment and thus prevent canting and jamming of the initial gripping body within the connector sleeve eliminating the need for an aligning spring formerly used, By providing a split jaw member, I can avoid the necessity of attaching the initial gripping body to the jaw members to maintain them apart and can construct the initial gripping body as a separate piece, facilitating the construction and assembly of the connector. Through the use of my novel gripping body, I can reduce the number of parts and assembly costs achievin an improved connector with a corresponding reduction in manufacturing costs.
I have thus described my invention, but I desire it understood that it is not confined to the particular forms or uses shown and described,
the same being merely illustrative, and that the invention may be carried out in other ways without departing from the spirit of my invention, and, therefore, I claim broadly the right to employ all equivalent instrumentalities coming within the scope of the appended claims, and by mean of which, objects o my venti n a e attain d. and new r l s m li h d as t s obvious that the particular embodiments shown herein and described are only some of the many that can be emp o t at a n these ob cts and accomplish these results.
I claim 1. .A wir co nector comprising a tubular s eev having a yl d ical po t on and a QPen c. 151 Portion, said open end having a o e-shap d :int rnal sur a e. a r pping Jaw lidab y mo nte within said open end portion vand having a ta- Dered outer su face to en age aid ane-shap interna surface and a se d $11 is t a wi e inserted t er in, an n tial Wi e body slidab v m unte ithin the av m nal pcnticn haying m maliv inwa d r iliently biased projecting fingers extending therefrom to initially grip a wire inserted into the connector, said gripping body having a smooth cylindrical wall closely aligned with the inner surface of the cylindrical portion of the sleeve, whereby the gripping body may be axially displaced within the cylindrical portion and be maintained in alignment therein. 1
2'. A wire connector comprising 'a; tubular sleeve having a cylindrical portion and an open end portion, said open end having a cone-shaped internal surface, a gripping jaw slidably mounted within said open end portion and having a tapered anter snrtace to engage said cone-shaped internal surface and a serrated surface to grip a wire inserted therein, an initial wire gripping body unconnected to. said gripping jaw slidably mounted within the cylindrical portion having radially projecting resilient fingers extending therefrom to initially grip a wire inserted into he o c des d gripping; od ha ing a fl inn r end w ad p d. t be n a b the ,1 sert d o du or. a d mwth ind ica wa l closely aligned with the inner surface of the cylindrical portion of the sleeve whereby the cylindrical body may be maintained in alignm it when an l y di p ac d. said rad all 'prm jecting fingers being formed in a plate mounted h n the op n e d 9f he itia W r r ppin bGQY.
A Wire conn c r comp isin a u l r sleeve having a cylindrical portion and an open end portion, said open end having a cone-shaped internal surface, a gripping jaw slidably mounted thin aid o en end p rtin a d av a t pered outer surface to engage said cone-shaped internal surface and a serrated surface to. grip a wi e nse ed there an nit i e g inni body unconnected to said gripping jawslidably mounted within the cylindrical portion having radially projecting resilient fingers extending therefr m o i it all g wir t d n? th conn cto id riPP Q body having e projecting fingers formed in a plate, and 'an open end of the body terminating in a radial flange adaptd to contact the inner end of the rippin jaw. a p o on i med adj c n he flange and Sp fifid therefrom, said plate being securely m un ed bet een the flange nd w jection, and said body having a smooth cylindrical wall clos y al gn d Will. 9 inner wi f. th ylindrical 9; 9K 0 he 5 wh eby the gripping body may be maintained in align.- ment when axially displaced.
HENRY DUPRE.
efer nces C ted in h .fi e (i h Pat UNITED STATES PATENTS Number Name Date 575,641 Gerard June 19, 1897 2,209,620 Berndt July 30, 1940
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US115880A US2648883A (en) | 1949-09-15 | 1949-09-15 | Wedge type wire connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US115880A US2648883A (en) | 1949-09-15 | 1949-09-15 | Wedge type wire connector |
Publications (1)
Publication Number | Publication Date |
---|---|
US2648883A true US2648883A (en) | 1953-08-18 |
Family
ID=22363942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US115880A Expired - Lifetime US2648883A (en) | 1949-09-15 | 1949-09-15 | Wedge type wire connector |
Country Status (1)
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US (1) | US2648883A (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1052493B (en) * | 1955-02-14 | 1959-03-12 | Buchanan Electrical Prod Corp | Cup-shaped insulating hood for non-releasable connection to a cap-shaped end connection sleeve for electrical conductors |
US3036147A (en) * | 1959-08-21 | 1962-05-22 | Fargo Mfg Co Inc | Connector |
US3145069A (en) * | 1961-09-18 | 1964-08-18 | Augat Inc | Electrical connector |
US3161451A (en) * | 1961-08-16 | 1964-12-15 | Multi Contact Neidecker & Co | Self-locking electric plug-and-jack connector |
US3254322A (en) * | 1963-09-18 | 1966-05-31 | Amp Inc | Electrical connector |
US3383648A (en) * | 1965-08-20 | 1968-05-14 | Milton Ross Controls Co Inc | Miniature sockets |
US3629488A (en) * | 1970-02-27 | 1971-12-21 | Amp Inc | Corona-impeding connector device for high voltage utilities |
US3945704A (en) * | 1974-03-28 | 1976-03-23 | Kraus Robert A | Device for detecting an applied compressive load |
US4179583A (en) * | 1978-03-06 | 1979-12-18 | The United States Of America As Represented By The Secretary Of The Navy | Electro-mechanical low backlash cable connector |
US4795380A (en) * | 1987-12-22 | 1989-01-03 | Amp Incorporated | Self-locking ring terminal |
US5682796A (en) * | 1996-05-02 | 1997-11-04 | Teleflex Incorporated | Push pull control with opposing collet adjustment |
US20020114664A1 (en) * | 2001-02-21 | 2002-08-22 | Gregel John J. | Reinforcing bar connection and method |
US11462849B2 (en) * | 2020-03-31 | 2022-10-04 | Baker Hughes Oilfield Operations, Llc | Power connector for electrical submersible pump |
US20220384986A1 (en) * | 2021-05-28 | 2022-12-01 | Carl Freudenberg Kg | Arrangement for producing an electrically conductive connection between a first machine element and a second machine element |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US575641A (en) * | 1897-01-19 | Wire-coupling | ||
US2209620A (en) * | 1937-11-11 | 1940-07-30 | Electroline Company | Composite strand connector |
-
1949
- 1949-09-15 US US115880A patent/US2648883A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US575641A (en) * | 1897-01-19 | Wire-coupling | ||
US2209620A (en) * | 1937-11-11 | 1940-07-30 | Electroline Company | Composite strand connector |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1052493B (en) * | 1955-02-14 | 1959-03-12 | Buchanan Electrical Prod Corp | Cup-shaped insulating hood for non-releasable connection to a cap-shaped end connection sleeve for electrical conductors |
US3036147A (en) * | 1959-08-21 | 1962-05-22 | Fargo Mfg Co Inc | Connector |
US3161451A (en) * | 1961-08-16 | 1964-12-15 | Multi Contact Neidecker & Co | Self-locking electric plug-and-jack connector |
US3145069A (en) * | 1961-09-18 | 1964-08-18 | Augat Inc | Electrical connector |
US3254322A (en) * | 1963-09-18 | 1966-05-31 | Amp Inc | Electrical connector |
US3383648A (en) * | 1965-08-20 | 1968-05-14 | Milton Ross Controls Co Inc | Miniature sockets |
US3629488A (en) * | 1970-02-27 | 1971-12-21 | Amp Inc | Corona-impeding connector device for high voltage utilities |
US3945704A (en) * | 1974-03-28 | 1976-03-23 | Kraus Robert A | Device for detecting an applied compressive load |
US4179583A (en) * | 1978-03-06 | 1979-12-18 | The United States Of America As Represented By The Secretary Of The Navy | Electro-mechanical low backlash cable connector |
US4795380A (en) * | 1987-12-22 | 1989-01-03 | Amp Incorporated | Self-locking ring terminal |
US5682796A (en) * | 1996-05-02 | 1997-11-04 | Teleflex Incorporated | Push pull control with opposing collet adjustment |
US20020114664A1 (en) * | 2001-02-21 | 2002-08-22 | Gregel John J. | Reinforcing bar connection and method |
US6925773B2 (en) * | 2001-02-21 | 2005-08-09 | Erico International Corporation | Reinforcing bar connection and method |
US11462849B2 (en) * | 2020-03-31 | 2022-10-04 | Baker Hughes Oilfield Operations, Llc | Power connector for electrical submersible pump |
EP4127381A4 (en) * | 2020-03-31 | 2024-04-10 | Baker Hughes Oilfield Operations Llc | Power connector for electrical submersible pump |
US20220384986A1 (en) * | 2021-05-28 | 2022-12-01 | Carl Freudenberg Kg | Arrangement for producing an electrically conductive connection between a first machine element and a second machine element |
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