Duplex clip for clipping two optical fiber simplex connectors together to form a duplex connector

• US 6,409,392 B1
• Filed: 10/19/1999
• Issued: 06/25/2002
• Est. Priority Date: 10/19/1999
• Status: Expired due to Term

• Current Assignee: Furukawa Electric North America Incorporated (Furukawa Electric Company Limited)
• Original Assignee: Fitel USA Corporation
• Inventors: Mock, Troy Barry, Lampert, Norman Roger, Driscoll, Elizabeth J.
• Primary Examiner(s): NGUYEN, THONG Q
• Application Number:
  US09/421,190
• Time in Patent Office: 980 Days
• Field of Search: 385/53-63, 385/84-86, 385/76-78, 385/136-137
• US Class Current: 385/56
• CPC Class Codes: G02B 6/3831 comprising a keying element on the plug or adapter, e.g. to forbid wrong connection keying element on the ferrule G02B6/3851; keying element for electrical coupling H01R13/64
• CPC Class Codes: G02B 6/3851 Ferrules having keying or coding means
• CPC Class Codes: G02B 6/3879 Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs
• CPC Class Codes: G02B 6/38875 Protection from bending or twisting
• CPC Class Codes: G02B 6/3893 Push-pull type, e.g. snap-in, push-on

Abstract

A duplex clip for clipping a pair of simplex connectors together to form a duplex connector. Simplex connectors typically comprise a generally rectangular housing having a plug end for insertion into a mating receptacle or adapter, a cable entrance end for receiving a cable containing a transmission medium, and a boot attached at one end of the boot about the cable entrance end of the housing and at a second end of the boot to the cable. The cable passes through the opening formed in the boot and into the cable entrance end of the housing. The duplex clip of the present invention comprises a clip body that is adapted to receive and grip outer surfaces of the boots of the pair of simplex connectors to hold the simplex connectors in close spatial proximity to one another to thereby form a duplex connector. Two generally cylindrical bores are formed in the clip body and the inner surfaces of each of the bores are adapted to grip the outer surfaces of the boots. Slots are formed in the clip body to provide the bores with generally C-shaped cross-sections. Cables can be passed through the slots to enable the clip to be clipped onto a pair of simplex connectors when the simplex connectors are coupled to or decoupled from a receptacle or adapter. The clip has markings thereon that enable the polarity of the connectors held in the clip to be easily ascertained.

Claims

1. A detachable duplex clip for clipping a pair of simplex connectors together to form a duplex connector, each simplex connector comprising a generally rectangular housing having a plug end for insertion into a mating receptacle or adapter, a cable entrance end for receiving a cable containing a transmission medium, and an individual independent boot attached at a first end of the boot about the cable entrance end and at a second end of the boot to the cable, the boot having an opening formed therein, the cable passing through the opening formed in the boot and into the cable entrance end of the housing, the clip comprising:

a clip body, the clip body being adapted to receive and frictionally grip outer surfaces of each of the boots of a pair of simplex connectors to hold the simplex connectors in close spatial proximity to one another to thereby form a duplex connector, said clip body being detachable from each of the individual boots.

2. The duplex clip of claim 1, wherein the clip body has two openings formed therein, each of the openings having an inner surface adapted to receive and grip the boot of a simplex connector, each opening receiving the boot of one of the simplex connectors and gripping the boot received therein such that the pair of simplex connectors is held together.

3. A duplex connector for connecting two cables to an adapter or receptacle, the duplex connector comprising:

a pair of independent simplex connectors, each simplex connector terminating a cable containing a transmission medium, each simplex connector comprising a generally rectangular housing having a plug end for insertion into a mating receptacle or adapter, a cable entrance end for receiving a cable containing a transmission medium, and an individual independent boot attached at a first end of the boot about the cable entrance end and at a second end of the boot to the cable, wherein the boot has an opening formed therein, the cable passing through the opening formed in the boot and into the cable entrance end of the housing; and

a detachable clip body, the clip body being adapted to receive and frictionally grip outer surfaces of each of the boots of a pair of simplex connectors to hold the simplex connectors in close spatial proximity to one another to thereby form the duplex connector, said clip body being detachable from each of the individual boots.

4. The duplex connector of claim 3, wherein the clip body has two openings formed therein, each of the openings having an inner surface adapted to receive and grip the boot of a simplex connector, each opening receiving the boot of one of the simplex connectors and gripping the boot received therein such that the pair of simplex connectors is held together.

5. The duplex connector of claim 4, wherein the top surface of the duplex clip has markings thereon that enable a person to ascertain a polarity associated with each of the cables disposed in each of the bores and wherein the adapter or receptacle has markings thereon that enable the user to match the polarity associated with each of the cables with a polarity of the adapter or receptacle.

6. A duplex clip for clipping a pair of simplex connectors together to form a duplex connector, each simplex connector comprising a generally rectangular housing having a plug end for insertion into a mating receptacle or adapter, a cable entrance end for receiving a cable containing a transmission medium, and a boot attached at a first end of the boot about the cable entrance end and at a second end of the boot to the cable, the boot having an opening formed therein, the cable passing through the opening formed in the boot and into the cable entrance end of the housing, the clip comprising:

a clip body, the clip body being adapted to receive and frictionally grip outer surfaces of the boots of a pair of simplex connectors to hold the simplex connectors in close spatial proximity to one another to thereby form a duplex connector;

said clip body having two openings formed therein, each of the openings having an inner surface adapted to receive and grip the boot of a simplex connector, each opening receiving the boot of one of the simplex connectors and gripping the boot received therein such that the pair of simplex connectors is held together;

said openings being generally cylindrical bores formed in the clip body, the inner surface of each of the bores having a circumferential ridge formed thereon, the circumferential ridge being located between a first portion of the inner surface of the bore and a second portion of the inner surface of the bore, the clip body having a forward end and a rear end, wherein when the boots are disposed within the bores, the forward end of the clip body is closer to the plug ends of the simplex connectors than the rear end of the clip body is to the plug ends, and wherein the first portion of the inner surface generally extends from the forward end of the clip body to the circumferential ridge, the second portion of the inner surface generally extending from the circumferential ridge to the rear end of the clip body, the first and second portions of the inner surfaces of the bores having diameters that are substantially equal, the circumferential ridges having a diameter that is less than the diameters of the first and second portions.

7. The duplex clip of claim 6, wherein the clip body is generally rectangular in shape and includes a first side, a second side, a third side, a fourth side, a fifth side and a sixth side, the first and second sides corresponding to the forward and rear ends, respectively, of the clip body, the third and fourth sides corresponding to top and bottom surfaces, respectively, of the clip body, the fifth and sixth sides being generally perpendicular to the first, second, third and fourth sides, wherein the fifth and sixth sides are generally parallel to each other and located at opposite side ends of the clip body, each of the bores having an axis that extends from the first side to the second side of the clip body, the axes of the bores being parallel to one another, the fifth and sixth sides each having a slot formed therein that is parallel to the axes of the bores and that extends from the first side to the second side of the clip body, each of the slots forming an opening in one of the bores, thereby providing the bores with generally “

C”

-shaped cross-sections, the slots allowing the clip body to be deformed when a force is exerted on the top and bottom surfaces such that the diameters of the first and second portions of the inner surfaces of the bores and the diameter of the circumferential ridges of the bores are slightly decreased, thereby causing the bores to more tightly grip the boots disposed therein, the slots having a width that is greater than the diameter of the cable to allow the cables to be passed through the slots and into the bores.

8. The duplex clip of claim 7, wherein the first and second portions of the inner surfaces of the bores meet the circumferential ridges formed on the inner surfaces of the bores approximately mid-span of the bores with respect to the axial directions of the bores.

9. The duplex clip of claim 8, wherein the top surface has markings thereon that enable a person to ascertain a polarity of the connectors associated with the boots disposed in the bores.

10. The duplex clip of claim 7, wherein each of the simplex connector housings comprises an extender cap, the extender cap having an extension thereon that extends a certain distance within the boot, the extension having an opening formed therein that defines the cable entrance end of the connector housing, each boot having an inner surface that is attached about the extension to form the attachment of the boot to the cable entrance end of the housing, the first portions of the inner surfaces of the bores being in contact with the outer surfaces of the boot at locations on the outer surfaces of the boots above the extensions.

11. A duplex connector for connecting two cables to an adapter or receptacle, the duplex connector comprising:

a pair of simplex connectors, each simplex connector terminating a cable containing a transmission medium, each simplex connector comprising a generally rectangular housing having a plug and for insertion into a mating receptacle or adapter, a cable entrance end for receiving a cable containing a transmission medium, and a boot attached at a first end of the boot about the cable entrance end and at a second end of the boot to the cable, wherein the boot has an opening formed therein, the cable passing through the opening formed in the boot and into the cable entrance end of the housing; and

a clip body, the clip body being adapted to receive and fictionally grip outer surfaces of the boots of a pair of simplex connectors to hold the simplex connectors in close spatial proximity to one another to thereby form the duplex connector;

said clip body having two openings formed therein, each of the openings having an inner surface adapted to receive and grip the boot of a simplex connector, each opening receiving the boot of one of the simplex connectors and gripping the boot received therein such that the pair of simplex connectors is held together;

said openings in the clip body being generally cylindrical bores in said clip body, the inner surface of each of the bores having a circumferential ridge formed thereon, the circumferential ridge being located between a first portion of the inner surface of the bore and a second portion of the inner surface of the bore, the clip body having a forward end and a rear end, wherein when the boots are disposed within the bores, the forward end of the clip body is closer to the plug ends of the simplex connectors than the rear end of the clip body is to the plug ends, and wherein the first portion of the inner surface generally extends from the forward end of the clip body to the circumferential ridge, the second portion of the inner surface generally extending from the circumferential ridge to the rear end of the clip body, the first and second portions of the inner surfaces of the bores having diameters that are substantially equal and the circumferential ridge having a diameter that is less than the diameter of the first and second portions.

12. The duplex connector of claim 11, wherein the clip body is generally rectangular in shape and includes a first side, a second side, a third side, a fourth side, a fifth side and a sixth side, the first and second sides corresponding to the forward and rear ends, respectively, of the clip body, the third and fourth sides corresponding to top and bottom surfaces, respectively, of the clip body, the fifth and sixth sides being generally perpendicular to the first, second, third and fourth sides, wherein the fifth and sixth sides are generally parallel to each other and located at opposite side ends of the clip body, each of the bores having an axis that extends from the first side to the second side of the clip body, the axes of the bores being parallel to one another, the fifth and sixth sides each having a slot formed therein that is parallel to the axes of the bores and that extends from the first side to the second side of the clip body, each of the slots forming an opening in one of the bores, thereby providing the bores with generally “

C”

-shaped cross-sections, the slots allowing the clip body to be deformed when a force is exerted on the top and bottom surfaces such that the diameters of the first and second portions of the inner surfaces of the bores and the diameter of the circumferential ridges of the bores are slightly decreased, thereby causing the bores to more tightly grip the boots disposed therein, the slots having a width that is greater than the diameter of the cable to allow the cables to be passed through the slots and into the bores.