Electrical connectors – With circuit conductors and safety grounding provision – Grounding to conductive sheath of cable
Patent
1991-06-18
1992-09-22
Desmond, Eugene F.
Electrical connectors
With circuit conductors and safety grounding provision
Grounding to conductive sheath of cable
439497, H01R 466
Patent
active
051492750
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention concerns a cable connector. It is used in professional electronics, particularly to interconnect a layer of wire of any shape whatsoever. In one embodiment, it permits easy connection of bundles of cable to the equipment to which the cable is connected.
In the prior art, the making of cables of encased layers or even manufacturing coaxial cables in which the socket of a first type is used to connect into a socket of a second complementary type which is mounted on, and at the exterior of the device to be connected, is generally known.
When a connection is desired for signals that vary rapidly (data processing lines, connections from the central unit to peripherals, etc.), it is necessary to protect the signals that pass through the conductors from parasitic signals. For this purpose, the wires that transmit signals are grouped into cables and encased in a conductive covering connected to the ground potential.
But, the connection of the ground conductor sometimes poses a problem especially if it is desired to assure good continuity of ground between the connected equipment and assuring good protection of the connector itself.
Another notable disadvantage of cables of the prior art is their great fragility, principally owing to the connector that connects them to the device from the purely mechanical point of view.
In particular, in the case of data processing equipment, where the number and the space occupied by the connectors has increased significantly in the past few years, it becomes more and more difficult to make the socket on the equipment accessible. Then it is not unusual that the user would have to hunt through the bundle of cables taking up space on the face of the equipment on which the sockets exit to attempt to connect the cable that he wishes in the free connector.
SUMMARY OF THE INVENTION
The invention concerns a multi wire cable connector of the type containing a socket of a first type connected to the wires of one end of the cable, the connection being of the type that is connected to a socket of a second type.
It is a goal of the present invention in a data processing assembly connection to permit the electrical connection of the ground in an improved manner without causing significant extra costs.
It is another goal of the present invention to furnish a global solution that assures a better adaptation of an electrical connector to mechanical problems that are encountered by making connections and disconnections without going into the interior of the machine.
The invention is characterized notably by the fact that a socket of the first type contains a transfer piece which assures the screening at least upstream of such socket and having a mechanical rigidity in such a way as to mechanically reinforce the cable connection of such socket specifically at the time of its insertion into the second socket and a linking means of the socket of the first type with the transfer piece so constructed as to assure the transmission of mechanical stresses by the transfer piece at the time of extraction of such socket.
Another feature of the invention is that the transfer piece contains a part forming a catch designed to fit together in an opening in the equipment to be connected and thus insuring the electrical connection of the cable screening with the electrical ground of the machine.
In still another feature of the invention, the aforementioned catch is made in the form of a comb having teeth bent in a U-shape to improve the elastic qualities, and also contains two lateral shutters designed to guide the assembly at the time of insertion into the second socket.
According to another feature of the invention, a clamp is provided which presses on both sides of a cable and assures, by pressure, the electrical contact of a transfer piece with screening conductive fabric.
According to still another feature of the invention, the means of connection includes a U-shaped part of the socket of the first type, which is removable or not, forming a loop through w
REFERENCES:
patent: 4337989 (1982-07-01), Asick et al.
patent: 4422700 (1983-12-01), Krenz
patent: 4619487 (1986-10-01), Brush
patent: 4758179 (1988-07-01), Klein et al.
Bull S.A.
Desmond Eugene F.
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