Ground structure for shield wire and method for grounding wire

A ground structure for a shield wire in which the shield wire, including an inner wire covered with an insulating member, a braided wire covering said inner wire, and an insulating member covering an outer periphery of said shield wire, is passed through a through hole in a metal casing, said braided wire being electrically connected to said metal casing, thereby grounding said shield wire, said ground structure comprising:

• a tubular member of a conductive material connected to said metal casing;
• spring pieces of metal formed inside said tubular member, said spring pieces being directed toward an inner peripheral surface of said tubular member;
• and
• a U-shaped shield ring of a conductive material having a double-wall tubular construction for firmly grasping said braided wire;
• wherein said shield wire passes through said tubular member, so that said spring pieces are held in contact with said conductive shield ring.

A structure for grounding a wire to a plate member, said structure comprising:

• a first electrically conductive tubular member electrically connected to said plate member, said first tubular member surrounding said wire with a space therebetween;
• at least one electrically conductive piece disposed within said space for electrically connecting the wire to the first tubular member;
• and
• means for maintaining electrical contact between the wire and the plate upon application of an axial pulling force on the wire.

A method for electrically connecting a wire having a braided section to a grounding plate, said method comprising:

• sliding a U-shaped shield ring of a double-wall construction over the wire;
• inserting and clamping the braided section between walls of the double-wall construction;
• surrounding said wire with a first tubular member in which a space is formed between the first tubular member and the wire;
• electrically connecting the first tubular member to the plate;
• and
• providing the space between the first tubular member and the wire with at least one flexible, electrically conductive piece to electrically connect the shield ring to the first tubular member, thereby grounding the wire.

A structure for grounding a wire to a plate member, said structure comprising;

• a first electrically conductive tubular member electrically connected to said plate member, said first tubular member surrounding said wire with a space therebetween;
• at least one electrically conductive piece disposed within said space for electrically connecting the wire to the first tubular member;
• and
• means for absorbing axial pulling forces applied to the wire and for maintaining electrical grounding contact during application of an axial pulling force.