Electrical connectors – Contact comprising cutter – Insulation cutter
Patent
1998-06-15
2000-02-22
Gellner, Michael L.
Electrical connectors
Contact comprising cutter
Insulation cutter
439417, H01R 424
Patent
active
060273623
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a device for connecting at least two conductive wires each surrounded by an insulating sheath, comprising, mounted on a support base, a catch provided with a window for receiving the said sheathed wires and, mounted on a slide arranged to be moved transversely to the sheathes, a clip comprising means for gripping the sheathes of the wires and drawing them towards the bottom of the support base and arranged to cooperate with the catch to strip the wires longitudinally.
The device of the invention serves to connect, mechanically and electrically, wires of a plurality of strands or preferably a single strand. It is frequently used in telephone installations.
BACKGROUND OF THE INVENTION
Connection devices of this type are already known, in particular from the French patent 86 15553, published under the number 2 606 558, in which devices the catch is provided with an internal reception window defined by a continuous edge which is closed on itself, to receive the wires after they have been introduced substantially parallel to themselves.
There are circumstance in which the cables have to be introduced substantially transversely to themselves and, moveover, parallel to the relative movement of the clip and of the catch, such as that for which the device of the U.S. Pat. No. 3,945,705 was designed, i.e. for automatic introduction of the cables by placing by machine.
SUMMARY OF THE INVENTION
The present invention aims to propose a device of the type mentioned at the beginning and which is adapted to the automatic placing of wires to be connected.
To this end the device is characterised in that the reception window of the catch is open to the outside to permit the placing of the wires transversely to themselves and parallel to the relative displacement of the slide and of the support base.
The window of the catch is preferably formed between two arms with inwardly turned hooks.
In the preferred embodiment of the device of the invention the catch is a double catch with two opposite reception windows and two clips are provided for gripping and drawing the sheathes and are respectively mounted on two opposite slides arranged to be displaced transversely to the sheathes and towards each other.
In this case, each window can receive only one wire and each clip can comprise only one slot for gripping and drawing a single sheathed wire. However, a pair of clips each opposite to two or more gripping and drawing slots should not for this reason be excluded from the scope of the present application.
In the most interesting embodiment of the device of the invention the support base comprises a plurality of catches and at least one slide carrying a plurality of clips to form a high density wire connecting strip.
The strip is advantageously a strip with double catches and two slides each carrying a plurality of clips for the connection of wires of two wire bundles face to face.
It will be noted that the patent GB-A-2 026 256, which concerns a wire bundle, describes only a connector, or terminal block, connected to this single wire bundle and not a device for connection of two wire bundles.
Each gripping and drawing clip of the device of the invention is advantageously associated with a wire-cutting plate.
It is also advantageous that spacing pieces are provided between a reception catch and a gripping and drawing clip to keep the spacing thereof greater than a cutting threshold.
Also advantageously each clip comprises a diverting projection arranged to cooperate with a double diverting catch mounted on another support base with two opposite reception windows, one to receive the diverting foot and the other to receive at least one other sheathed conductive wire.
A diverting projection of this type can act as a test terminal or contact terminal permitting a so-called full cable diversion.
The two reception windows of the diverting catch preferably extend in two orthogonal places.
The invention will be better understood with the aid of the following description of a doub
REFERENCES:
patent: 3243757 (1966-03-01), Cobaugh
patent: 3257635 (1966-06-01), Cobaugh
patent: 3350679 (1967-10-01), Marley et al.
patent: 3945705 (1976-03-01), Seim et al.
patent: 4723918 (1988-02-01), LaCroix
patent: 4820191 (1989-04-01), LaCroix
Gellner Michael L.
Ngandjui Antoine
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