US2082279A - Clip insulator - Google Patents

Clip insulator Download PDF

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Publication number
US2082279A
US2082279A US7997136A US2082279A US 2082279 A US2082279 A US 2082279A US 7997136 A US7997136 A US 7997136A US 2082279 A US2082279 A US 2082279A
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Prior art keywords
clip
end
insulator
conductor
jaws
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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.)
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Jesse B Fore
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Jesse B Fore
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RLINE CONNECTORS; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact and means for effecting or maintaining such contact
    • H01R4/70Insulation of connections
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RLINE CONNECTORS; CURRENT COLLECTORS
    • H01R11/00Connectors providing two or more spaced connecting locations for conductive members which are thereby interconnected; End pieces for wires or cables, supported by the wire or cable and for facilitating electrical connection to some other wire, terminal, or conductive member
    • H01R11/11End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/22End pieces terminating in a spring clip
    • H01R11/24End pieces terminating in a spring clip with gripping jaws, e.g. crocodile clip

Description

June 1, 1937. J FORE 2,082,279

CLIP INSULATOR Filed May 15, 1936 mm l5 INVENTOR.

JEEEE E. FIFE BY gg I ATTORNEYS.

Patented June 1, 1937 UNITED STATES PATENT OFFICE 3 Claims.

This invention relates to electrical devices and more particularly to clips for insulating the terminals of electrical conductors.

The principal object of the invention is to provide a clip insulator which is adapted to be; placed over the uninsulated portion of a conductor terminal, whether the latter be of a conventional shape or otherwise, and will. firmly grip the terminal and surround it in an electrical insulating relationship.

Another object is to provide a clip insulator for conductor terminals which insulator may be held in an insulating position, not only by the clip which forms a part thereof, but by portions of the conductor itself.

Still another important object is to provide clip insulators of the class described, which may be employed in groups, so as to insulate selectively various known terminals, when the latter are temporarily detached from their posts or other connections, so that the terminals will be properly designated and may be reattached to their correct posts.

Another object is to provide a clip insulator of the class described, in which the clip itself is recessed within the insulator but may be easily manipulated by pressure upon the wall of the insulator.

Yet another object is to provide a clip insulator which is adapted to grip and insulate fine stranded wires as readily as it grips and insulates single wire conductors.

Other objects and advantages of the invention will be apparent during the course of the fol lowing detailed description, taken in connection with the accompanying drawing, forming a part of this specification and in which drawing:-

Figure l is a longitudinal section of the novel clip insulator attached to a terminal.

Figure 2 is a longitudinal section and a partial longitudinal section of two of the clips, each attached to a conductor wire.

Figure 3 is a view, partly in longitudinal section, of one of the novel clips attached to a stranded wire conductor.

Figure 4 is a View showing how three of the novel clips may be employed.

Figures 5 and 6 are end views of two of the novel clip insulators.

In the drawing, wherein for the purpose of illustration is shown a preferred embodiment of the invention and wherein similar reference characters designate corresponding parts throughout the several views, the letter A may designate the novel clip insulator which is shown, by way of illustration, attached to a conductor terminal B, two terminals of the conductor C protruding from a conduit D, a stranded terminal E, and to a three-wire conductor F associated with electrical apparatus G.

The novel clip insulator A includes a thimble or sheath it of a flexible dielectric material such as soft rubber, having a substantially cylindrical side wall I I, an end wall [2 and a mouth i3 at its end opposite the end wall I2. With this construction, a chamber is provided extending longitudinally of the thimble from. its mouth l3 to the end wall Hi. It will be noted in Figures 3. and 2 that this end wall I2 is preferably thicker than the wall II and "that it is closed at its outer face l4 but may be provided on this face M with various indicia, such as those indicated at [5, l6, and ll, for a purpose later brought out in detail.

With one end carried by, embedded or molded into the end wall l2, there is provided a suitable clip element, designated generally as 26. This clip element 2f: may include a pair of oppositejaws 2! having teeth 22, the jaws being held normally in a closed or biting position, as by an expansion coil spring 23. The jaws are, preferably, of springy metal and include a pair of relatively broad finger pieces 24 upon the under surface of which the coil spring bears. At the ends of the jaws opposite the teeth 22, the former are joined together in any approved manner and the clip element terminates, beyond this point of juncture, in a tongue or anchor 25 which projects into the end wall l2 but terminates well short of its face [4 being, as stated above, embedded or molded therein. As will be seen in Figure 2, the finger pieces 24 are, preferably, close adjacent the cylindrical wall ll, sothat pressure upon the outer face of the cylindrical wall H, at certain points opposite each other, will cause the flexible dielectric material to give and the jaws will, thereupon, open.

A very important feature of this invention is the provision of the clip well recessed within the thimble Hi. That is, the teeth 22 and jaws 2| which, of course, face towards the mouth l3. are spaced well inwardly of this mouth, since it would defeat some of the objects of this invention to place the teeth 22 near or flush with the mouth l3 or with the jaws 2i projecting outwardly from the mouth iii. For example, the teeth 22 should be spaced at least one inch inwardly of the mouth l3 and, in many cases, this spacing may be greater for the purposes of the invention.

Now as for the indicia designated at l5, l6, and I1. Preferably, the indicia are molded as a part of the thimble Ill so that the material extends outwardly beyond the face M. The indicia may be the well known electrical positive and negative symbols indicated at l5 and 16 respectively, or/and they may be numerals, as designated at IT. For example, the novel clips may be provided in sets of six, numbered from 1 to 6, and, in addition, two of these also may be provided with the positive symbol l5 and two with the negative symbol Hi, the remaining two being left w out indicia other than numerals, as designer at H. By placing these indicia in this position and raised designated, the general thickness of the end wall 12 is increased so that the anchor 25 may extend farther into the wall :2 and yet not work its way outwardly of the face M.

There are two important objects in extending the sheath or thimble H3 well beyond the gripping end of the jaws 2i. In the first place, the exposed (up. -.eathed) end of the conductor is wholly cove or electrically insulated and, in the second place, the cylindrical wall H of the thimble aids in holding the thimble in place since it normally grips the sheath portion of the conductor near the exposed end, as shown in Figures 1, and and thus steadies or braces the device.

In Figure 1, which shows a top plan View of the gripping means, the thimble is distorted so that it will insulate the exposed angular portion 30 of the conductor B and will extend about and grip the insulated or sheathed portion 3| of this conductor.

Figure 2, which illustrates a side elevation of the gripping means of the novel clip insulator, discloses two of the same, clipped to the two wire terminals 32 and oi the insulated conductor C which latter extends through the conduit D, the free ends of the flexible thimbles Ill being stuffed into the pipe and about the inner insulation layer 34 of the conductor C.

In Figure 3, the wire strands 35 of the conductor E are gripped by the gripping means while the thimble, in turn, grips and extends about the insulated sheath 36 of the conductor E.

Figure 4 shows application of three of the novel clip insulators A for temporarily insulating and indicating the terminals 3i, 38 and 39 of the conductor F, leading to binding posts 40, 4!. and 42 respectively of a piece of electrical apparatus G, such as a motor. In detaching such terminals from their respective binding posts, it is necessary to indicate by some means which is the particular terminal to be reattached to binding post Ml, which to be reattached to binding post 4!, and which to be reattached to binding post 42 so that, when repairs or the like are made and the electrician is ready to reattach the terminals, he will know, by observing the numerals or symbols at the end of the clip insulator, just where the respective terminals should be reattached. Thus, not only do the clip insulators A insulate the exposed terminals so that damage from fire, short circuit and the like, as well as injury from shock are, obviated but the clip terminals also provide the additional function of indicating to the elec trician the particular function of each terminal.

Not only is the novel clip insulator A adapted for gripping a single terminal of considerable gauge, but it will also readily grip stranded wires of small gauge, and permit such wires to be spread in a fan-like formation within the chamber of the clip insulator.

Various changes may be made to the form of invention herein shown and described, without departing from the spirit of the invention or the scope of the claims.

What is claimed is:

1. In a terminal insulator, adapted to insulate terminals of fine stranded wires, a sheath of flexible dielectric material having an imperi'orate end and an open end, and terminal gripping means within said sheath, including a pair of jaws each having teeth at one end of said jaws and an anchor at the opposite end of said jaws, said anchor comprising a substantially fiat tongue and being firmly embedded in said material at the imperforate end of said sheath, whereby said clip is rendered substantially immovable longitudinally of said sheath, said teeth and said jaws being spaced well inwardly of said open end, with said teeth nearest said open end.

2. In a terminal insulator, adapted to insulate terminals comprising fine stranded wires, a. sheath of flexible dielectric material having a substantially cylindrical side wall, an end Wall and a mouth opposite said end wall, said end wall being closed and of greater thickness than said side wall, indicia extending outwardly beyond said end wall, whereby the thickness of portions of said end wall is increased, and terminal gripping means within said sheath including a pair of jaws movable transversely of said sheath each having terminal grippers at one end and an anchor at the opposite end of said jaws, said anchor being firmly embedded in said material at the closed end of said sheath, whereby said clip is rendered substantially immovable longitudinally of said sheath, said grippers and said jaws being spaced well inwardly of said open end with grippers nearest said open end and said jaws being provided with flattened portions normally in contact with the inner face of said cylindrical side wall.

3. In a spring clip electric insulator for electrical conductors, a thiinble having a side wall of stretchable and flexible dielectric material terminating at one end in a mouth and ter minating at the other end Wall, said end wall being provided with indicia thereon, facing outwardly, said side wall being stretchable so that it will extend about a conductor greater in circumference than the circumference of said mouth, and electrical conductor terminal gripping means anchored within said thimble against longitudinal movement therein, with said terminal gripping means spaced well inwardly of said mouth, and includ ing jaws provided with teeth facing said mouth and a tongue extending away from said jaws and toward said indicia, said tongue being imbedded within said imperforate end wall.

JESSE B. FORE.

end in an imperforate

US2082279A 1936-05-15 1936-05-15 Clip insulator Expired - Lifetime US2082279A (en)

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627904A (en) * 1970-04-09 1971-12-14 John D Milne Bushing for incorporation in electrical connector assembly
US20020170134A1 (en) * 2001-05-21 2002-11-21 Martin John H. Scraper with swiveling T-handle
US20040032745A1 (en) * 1999-08-04 2004-02-19 Pederson John C. LED alley/take-down light
US20040066306A1 (en) * 1999-04-06 2004-04-08 Pederson John C. Replacement LED lamp assembly and modulated power intensity for light source
US20040085219A1 (en) * 1997-10-21 2004-05-06 911Ep, Inc., Jacksonville Beach, Fl LED warning signal light and movable support
US20040145490A1 (en) * 1999-04-06 2004-07-29 Pederson John C. Replaceable LED modules
US20040160334A1 (en) * 1999-06-08 2004-08-19 Pederson John C. Strip LED light assembly for motor vehicle
US20050047167A1 (en) * 1999-08-04 2005-03-03 Pederson John C. Warning signal light bar
US20050093715A1 (en) * 1997-10-21 2005-05-05 Pederson John C. LED warning signal light and light bar
US20050099317A1 (en) * 1999-08-04 2005-05-12 Pederson John C. Led light bar
US20050231381A1 (en) * 2000-11-15 2005-10-20 Pederson John C Led warning light and communication system
US20060110962A1 (en) * 2004-11-22 2006-05-25 Francis Powell Electrical connector apparatus and methods
US7080930B2 (en) 1999-06-08 2006-07-25 911Ep, Inc. LED warning signal light and row of LED's
US20070097700A1 (en) * 1999-06-08 2007-05-03 911Ep, Inc. LED light stick assembly
US20070275799A1 (en) * 2006-05-29 2007-11-29 Davis Stephen J Hockey stick having a single, hollow primary tube
US20080292320A1 (en) * 2007-05-24 2008-11-27 Federal Law Enforcement Development Service, Inc. Led light global positioning and routing communication system
US20080310850A1 (en) * 2000-11-15 2008-12-18 Federal Law Enforcement Development Services, Inc. Led light communication system
US20090072972A1 (en) * 2002-08-23 2009-03-19 Pederson John C Intelligent observation and identification database system
US8543505B2 (en) 2011-01-14 2013-09-24 Federal Law Enforcement Development Services, Inc. Method of providing lumens and tracking of lumen consumption
US8890773B1 (en) 2009-04-01 2014-11-18 Federal Law Enforcement Development Services, Inc. Visible light transceiver glasses
US9100124B2 (en) 2007-05-24 2015-08-04 Federal Law Enforcement Development Services, Inc. LED Light Fixture
US9258864B2 (en) 2007-05-24 2016-02-09 Federal Law Enforcement Development Services, Inc. LED light control and management system
US9265112B2 (en) 2013-03-13 2016-02-16 Federal Law Enforcement Development Services, Inc. LED light control and management system
US9294198B2 (en) 2007-05-24 2016-03-22 Federal Law Enforcement Development Services, Inc. Pulsed light communication key
US9414458B2 (en) 2007-05-24 2016-08-09 Federal Law Enforcement Development Services, Inc. LED light control assembly and system
US9455783B2 (en) 2013-05-06 2016-09-27 Federal Law Enforcement Development Services, Inc. Network security and variable pulse wave form with continuous communication

Cited By (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627904A (en) * 1970-04-09 1971-12-14 John D Milne Bushing for incorporation in electrical connector assembly
US7394398B2 (en) 1997-10-21 2008-07-01 911Ep, Inc. LED warning signal light and light support having at least one sector
US7561036B2 (en) 1997-10-21 2009-07-14 911 Emergency Products, Inc. LED warning signal light and light bar
US20040085219A1 (en) * 1997-10-21 2004-05-06 911Ep, Inc., Jacksonville Beach, Fl LED warning signal light and movable support
US6995681B2 (en) 1997-10-21 2006-02-07 911Ep, Inc. LED warning signal light and movable support
US20050093715A1 (en) * 1997-10-21 2005-05-05 Pederson John C. LED warning signal light and light bar
US7064674B2 (en) 1999-04-06 2006-06-20 911Ep, Inc. Replaceable LED modules
US20040145490A1 (en) * 1999-04-06 2004-07-29 Pederson John C. Replaceable LED modules
US6989743B2 (en) 1999-04-06 2006-01-24 911Ep, Inc. Replacement LED lamp assembly and modulated power intensity for light source
US20040066306A1 (en) * 1999-04-06 2004-04-08 Pederson John C. Replacement LED lamp assembly and modulated power intensity for light source
US7498933B2 (en) 1999-04-06 2009-03-03 911Ep, Inc. Replaceable LED modules
US7080930B2 (en) 1999-06-08 2006-07-25 911Ep, Inc. LED warning signal light and row of LED's
US20040160334A1 (en) * 1999-06-08 2004-08-19 Pederson John C. Strip LED light assembly for motor vehicle
US20060181879A1 (en) * 1999-06-08 2006-08-17 911Ep, Inc. Rotational LED reflector
US7038593B2 (en) 1999-06-08 2006-05-02 911Ep, Inc. Strip LED light assembly for motor vehicle
US7484870B2 (en) 1999-06-08 2009-02-03 911Ep, Inc. LED light stick assembly
US7095334B2 (en) 1999-06-08 2006-08-22 911Ep, Inc. Strip LED light assembly for motor vehicle
US20070097700A1 (en) * 1999-06-08 2007-05-03 911Ep, Inc. LED light stick assembly
US20040032745A1 (en) * 1999-08-04 2004-02-19 Pederson John C. LED alley/take-down light
US20050047167A1 (en) * 1999-08-04 2005-03-03 Pederson John C. Warning signal light bar
US20050099317A1 (en) * 1999-08-04 2005-05-12 Pederson John C. Led light bar
US7033036B2 (en) 1999-08-04 2006-04-25 911Ep, Inc. LED light bar
US8902076B2 (en) 2000-11-15 2014-12-02 Federal Law Enforcement Development Services, Inc. LED light communication system
US7046160B2 (en) 2000-11-15 2006-05-16 Pederson John C LED warning light and communication system
US20080136661A1 (en) * 2000-11-15 2008-06-12 Federal Law Enforcement Development Service, Inc. Led warning light and communication system
US20050231381A1 (en) * 2000-11-15 2005-10-20 Pederson John C Led warning light and communication system
US9413457B2 (en) 2000-11-15 2016-08-09 Federal Law Enforcement Development Services, Inc. LED light communication system
US20080310850A1 (en) * 2000-11-15 2008-12-18 Federal Law Enforcement Development Services, Inc. Led light communication system
US8188878B2 (en) 2000-11-15 2012-05-29 Federal Law Enforcement Development Services, Inc. LED light communication system
US20020170134A1 (en) * 2001-05-21 2002-11-21 Martin John H. Scraper with swiveling T-handle
US9318009B2 (en) 2002-08-23 2016-04-19 Federal Law Enforcement Development Services, Inc. Intelligent observation and identification database system
US20110157369A1 (en) * 2002-08-23 2011-06-30 Pederson John C Intelligent Observation And Identification Database System
US20090072972A1 (en) * 2002-08-23 2009-03-19 Pederson John C Intelligent observation and identification database system
US8890655B2 (en) 2002-08-23 2014-11-18 Federal Law Enforcement Development Services, Inc. Intelligent observation and identification database system
US7902978B2 (en) 2002-08-23 2011-03-08 John C. Pederson Intelligent observation and identification database system
US8188861B2 (en) 2002-08-23 2012-05-29 John C. Pederson Intelligent observation and identification database system
US8330599B2 (en) 2002-08-23 2012-12-11 John C. Pederson Intelligent observation and identification database system
US20060110962A1 (en) * 2004-11-22 2006-05-25 Francis Powell Electrical connector apparatus and methods
US7214107B2 (en) 2004-11-22 2007-05-08 Cardiodynamics International Corporation Electrical connector apparatus and methods
US20070275799A1 (en) * 2006-05-29 2007-11-29 Davis Stephen J Hockey stick having a single, hollow primary tube
US8188879B2 (en) 2007-05-24 2012-05-29 Federal Law Enforcement Development Services, Inc. LED light global positioning and routing communication system
US8331790B2 (en) 2007-05-24 2012-12-11 Federal Law Enforcement Development Services, Inc. LED light interior room and building communication system
US10050705B2 (en) 2007-05-24 2018-08-14 Federal Law Enforcement Development Services, Inc. LED light interior room and building communication system
US8571411B2 (en) 2007-05-24 2013-10-29 Federal Law Enforcement Development Services, Inc. LED light broad band over power line communication system
US8593299B2 (en) 2007-05-24 2013-11-26 Federal Law Enforcement Development Services, Inc. LED light global positioning and routing communication system
US8687965B2 (en) 2007-05-24 2014-04-01 Federal Law Enforcement Development Services, Inc. LED light dongle communication system
US8744267B2 (en) 2007-05-24 2014-06-03 Federal Law Enforcement Development Services, Inc. Building illumination apparatus with integrated communications, security and energy management
US9967030B2 (en) 2007-05-24 2018-05-08 Federal Law Enforcement Development Services, Inc. Building illumination apparatus with integrated communications, security and energy management
US8886045B2 (en) 2007-05-24 2014-11-11 Federal Law Enforcement Development Services, Inc. LED light broad band over power line communication system
US9768868B2 (en) 2007-05-24 2017-09-19 Federal Law Enforcement Development Services, Inc. LED light dongle communication system
US20090129782A1 (en) * 2007-05-24 2009-05-21 Federal Law Enforcement Development Service, Inc. Building illumination apparatus with integrated communications, security and energy management
US20090003832A1 (en) * 2007-05-24 2009-01-01 Federal Law Enforcement Development Services, Inc. Led light broad band over power line communication system
US9100124B2 (en) 2007-05-24 2015-08-04 Federal Law Enforcement Development Services, Inc. LED Light Fixture
US9246594B2 (en) 2007-05-24 2016-01-26 Federal Law Enforcement Development Services, Inc. LED light dongle communication system
US9252883B2 (en) 2007-05-24 2016-02-02 Federal Law Enforcement Development Services, Inc. LED light global positioning and routing communication system
US9258864B2 (en) 2007-05-24 2016-02-09 Federal Law Enforcement Development Services, Inc. LED light control and management system
US9755743B2 (en) 2007-05-24 2017-09-05 Federal Law Enforcement Development Services, Inc. LED light global positioning and routing communication system
US9294198B2 (en) 2007-05-24 2016-03-22 Federal Law Enforcement Development Services, Inc. Pulsed light communication key
US20080317475A1 (en) * 2007-05-24 2008-12-25 Federal Law Enforcement Development Services, Inc. Led light interior room and building communication system
US9363018B2 (en) 2007-05-24 2016-06-07 Federal Law Enforcement Development Services, Inc. LED light interior room and building communication system
US9413459B2 (en) 2007-05-24 2016-08-09 Federal Law Enforcement Development Services, Inc. LED light dongle communication system
US9414458B2 (en) 2007-05-24 2016-08-09 Federal Law Enforcement Development Services, Inc. LED light control assembly and system
US20080292320A1 (en) * 2007-05-24 2008-11-27 Federal Law Enforcement Development Service, Inc. Led light global positioning and routing communication system
US9660726B2 (en) 2007-05-24 2017-05-23 Federal Law Enforcement Development Services, Inc. LED light broad band over power line communication system
US9461740B2 (en) 2007-05-24 2016-10-04 Federal Law Enforcement Development Services, Inc. Building illumination apparatus with integrated communications, security and energy management
US9461748B2 (en) 2007-05-24 2016-10-04 Federal Law Enforcement Development Services, Inc. LED light fixture
US9577760B2 (en) 2007-05-24 2017-02-21 Federal Law Enforcement Development Services, Inc. Pulsed light communication key
US10051714B2 (en) 2007-05-24 2018-08-14 Federal Law Enforcement Development Services, Inc. LED light control assembly and system
US9654163B2 (en) 2009-04-01 2017-05-16 Federal Law Enforcement Development Services, Inc. Visible light transceiver glasses
US8890773B1 (en) 2009-04-01 2014-11-18 Federal Law Enforcement Development Services, Inc. Visible light transceiver glasses
US8751390B2 (en) 2011-01-14 2014-06-10 Federal Law Enforcement Development Services, Inc. Method of providing lumens and tracking of lumen consumption
US8543505B2 (en) 2011-01-14 2013-09-24 Federal Law Enforcement Development Services, Inc. Method of providing lumens and tracking of lumen consumption
US9265112B2 (en) 2013-03-13 2016-02-16 Federal Law Enforcement Development Services, Inc. LED light control and management system
US9655189B2 (en) 2013-03-13 2017-05-16 Federal Law Enforcement Development Services, Inc. LED light control and management system
US9455783B2 (en) 2013-05-06 2016-09-27 Federal Law Enforcement Development Services, Inc. Network security and variable pulse wave form with continuous communication

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