Electrical connectors – With stress relieving means for conductor to terminal joint – Conductor gripped by or entirely within connector housing
Reexamination Certificate
2000-02-22
2001-11-13
Bradley, Paula (Department: 2833)
Electrical connectors
With stress relieving means for conductor to terminal joint
Conductor gripped by or entirely within connector housing
C439S368000, C439S472000
Reexamination Certificate
active
06315600
ABSTRACT:
The invention relates to a cable connector for a cable with a plurality of insulated wires, comprising a housing of insulating material accommodating a plurality of contacts to be connected to the wires, a mainly hollow hood connected to the housing and having a strain relief element to maintain the cable stationary with respect to the hood, and to a method for connecting a cable to a cable connector.
In the known cable connector of this type, the strain relief element is generally mounted in the hood by means of screws which need to be tightened in order to activate the strain relief element to fix the cable with respect to the hood. Therefore, providing a strain relief in the known cable connector on the one hand requires a plurality of separate components and on the other hand requires assembling steps when the cable is connected to the cable connector.
It is an object of the invention to improve the cable connector of the above-mentioned type.
To this end the cable connector of the invention is characterized in that the hood comprises first and second hood parts which can be interconnected, wherein the strain relief element is adapted to surround at least partially the cable, wherein the strain relief element is adapted to clamp the cable by co-operation with one of the hood parts during interconnecting the first and second hood parts, and wherein the strain relief element is adapted to be fixed within the first and second hood parts by interconnecting these hood parts.
In this manner a cable connector is obtained, wherein activating the strain relief element is obtained by interconnecting the hood parts, so that no separate components and no separate assembling steps are necessary.
According to a preferred embodiment, the first and second hood parts can be interconnected in intermediate and final positions, wherein the hood parts can be slid from the intermediate into the final position, wherein in the intermediate position the strain relief element provides a passage for the cable and in the final position the strain relief element is forced to clamp the cable.
In this manner a cable connector is obtained, wherein the hood parts and strain relief element are available as a preassembled component so that activating the strain relief element is a very simple manufacturing step.
The invention further provides an improved method of the above-mentioned type, characterized in that a cable connector is used, having a hood comprising first and second hood parts, wherein the cable is pushed through the hood parts and the strain relief element, wherein after connecting the wires to the contacts, the hood parts are fully interconnected and the strain relief element is thereby forced to clamp the cable by co-operation with one of the hood parts during interconnecting the first and second hood parts, wherein the strain relief element is fixed within the first and second hood parts by interconnecting these hood parts.
In the preferred embodiment of the method of the invention the first and second hood parts and strain relief element are preassembled, the hood parts being in an intermediate position enclosing the strain relief element, wherein the cable is pushed through the preassembled hood parts and strain relief element, wherein after connecting the wires to the contacts, the hood parts are slid from the intermediate position into a final position in which the strain relief element clamps the cable.
REFERENCES:
patent: 3497923 (1970-03-01), Seckerson et al.
patent: 5021610 (1991-06-01), Roberts
patent: 5315062 (1994-05-01), Hoshino
patent: 5439388 (1995-08-01), Weiss et al.
patent: 5503568 (1996-04-01), Pryce
patent: 5511993 (1996-04-01), Yamada et al.
patent: 5529522 (1996-06-01), Huang
patent: 5653609 (1997-08-01), Orstad et al.
patent: 0653810A1 (1995-05-01), None
Bradley Paula
Framatome Connectors International
Harvey James
LandOfFree
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