Grounded metal coupling
First Claim
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1. An electrical connector assembly comprising:
- a cylindrical body carrying at least one power lead and a ground lead, said body having a mounting area provided on a portion of the outer periphery of said cylindrical body, the mounting area exposing a portion of the ground lead and having at least one resilient tip extending radially therefrom;
an electrically conducting spring contact connected to the exposed portion of the ground lead within the mounting area of said body, said spring contact having at least one free end adjacent the resilient body tip extending radially outside the outer periphery of said body;
a generally cylindrical collar positioned about said body and covering said spring contact having a relatively smooth cylindrical inner surface, said spring contact having its free end radially depressed to allow said collar to fit about said body, the free end of said spring contact depressing the resilient tip of said body such that the resilient tip is continually biasing the free end of said spring contact in a radially outward direction to maintain contact between the free end of said spring contact and the inner cylindrical surface of said collar; and
roller bearing means positioned between said body and collar providing for relative rotational movement between said collar and body.
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Abstract
A grounding mechanism for an electrical connector having a metal generally U-shaped spring contact mounted on a cylindrical rubber or neoprene connector body which is connected directly to the internal ground contact within the connector body. Resilient tips on the body act to bias the free ends of the spring contact outwardly. The free ends of the spring contact stay in contact with a rotatable collar mounted over the body due to the compressed nature of the pre-formed metal spring contact, as well as the radially outward force of the resilient connector body tips acting on the free ends of the spring contact.
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Citations
6 Claims
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1. An electrical connector assembly comprising:
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a cylindrical body carrying at least one power lead and a ground lead, said body having a mounting area provided on a portion of the outer periphery of said cylindrical body, the mounting area exposing a portion of the ground lead and having at least one resilient tip extending radially therefrom; an electrically conducting spring contact connected to the exposed portion of the ground lead within the mounting area of said body, said spring contact having at least one free end adjacent the resilient body tip extending radially outside the outer periphery of said body; a generally cylindrical collar positioned about said body and covering said spring contact having a relatively smooth cylindrical inner surface, said spring contact having its free end radially depressed to allow said collar to fit about said body, the free end of said spring contact depressing the resilient tip of said body such that the resilient tip is continually biasing the free end of said spring contact in a radially outward direction to maintain contact between the free end of said spring contact and the inner cylindrical surface of said collar; and roller bearing means positioned between said body and collar providing for relative rotational movement between said collar and body. - View Dependent Claims (2, 3)
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4. An electrical connector assembly having at least one power lead and one ground lead connected to external electrical power and grounding sources, comprises:
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an insulating cylindrical body carrying at least one socket contact and one plug contact adapted for engagement with a plug contact and socket contact, respectively, of a second body between which two bodies relative longitudinal movement may establish and interrupt a connection between said contacts, said body having a mounting area provided on a portion of the outer periphery of said body, the mounting area exposing a portion of the ground lead and having at least one resilient tip extending radially therefrom; an electrically conducting spring contact mounted within the mounting area of said body and electrically connected to the exposed ground lead of said connector, said spring contact having at least one free end positionable radially above the resilient tip of said body, the free end of said spring contact normally extending radially outside the outer periphery of said body; and a generally cylindrical collar positionable about said body covering said spring contact and having a relatively smooth inner cylindrical surface, said collar adapted for rotational movement about said body to provide for connection between said two bodies, said spring contact having its free end radially depressed to allow said collar to fit about said body, the free end of said spring contact depressing the resilient tip of said body such that the free end is continually biased in a radially outward direction to maintain contact with the inner cylindrical surface of said collar so that an electrical circuit is maintained at all times between said collar and the ground lead within the electrical connector. - View Dependent Claims (5)
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6. An improved connector assembly of the type having a cylindrical body carrying at least one power lead and a ground lead connected to external electrical power and grounding sources, a generally cylindrical collar positioned about said body having a relatively smooth inner cylindrical surface, the collar adapted for rotational movement about said body to provide for mechanical and electrical connection of the body to another body, wherein the improvement comprises:
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the body having a mounting area provided on a portion of the outer periphery of said body, the mounting area exposing a portion of the ground lead and having at least one resilient tip extending radially outward therefrom; an electrically conducting spring contact mounted within the mounting area of said body and being electrically connected to the exposed ground lead of the body, said spring contact having at least one free end positionable radially outside the resilient tip of said body, the free end of said spring contact normally extending radially outside the outer periphery of said body when the collar is not positioned about said body; and the free end of said spring contact is adapted to be radially depressed towards said body to allow the collar to fit about said body, the free end of said spring contact depressing the resilient tip of said body such that the free end is continually biased in an outwardly radial direction by the resilient tip towards the inner cylindrical surface of the collar to maintain contact between said spring contact and the collar such that an electrical grounding circuit is maintained at all times between the collar and the ground lead of the electrical connector.
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Specification