Connector having multiple keying features
First Claim
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1. A connector keying arrangement, comprising:
- a first connector part having a central longitudinal axis and first and second axes perpendicular to the longitudinal axis and to each other;
a second connector part arranged to mate with the first connector part in a direction parallel to said first axis and perpendicular to said longitudinal axis and also having a central longitudinal axis and perpendicular first and second axes, said longitudinal axes of the first and second connector parts coinciding upon mating of the connector parts;
a plurality of first keying features on said first connector, said features having axes parallel to said first axis which intersect said second axis at selected first ones of a plurality of equally spaced positions on said first axis;
a plurality of complementary keying features on said second connector part, said complementary keying features having axes parallel to said first axis which intersect said second axis at selected second ones of a plurality of equally spaced positions on said first axis, wherein said first and complementary keying features are arranged to prevent mating of said connector parts unless said first and second selected ones of said positions are identical.
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Abstract
A male and female connector contains a plurality of possible positions for key type projections and an equal number of receiving type features for accepting the key type projections. The features are arranged in nonsymmetrical but regularly spaced fashion, and the number of different combinations possible is given by the relationship C=n!/r!(n-r)! where n is the total number of feature positions and r is the number of actual features provided.
29 Citations
15 Claims
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1. A connector keying arrangement, comprising:
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a first connector part having a central longitudinal axis and first and second axes perpendicular to the longitudinal axis and to each other; a second connector part arranged to mate with the first connector part in a direction parallel to said first axis and perpendicular to said longitudinal axis and also having a central longitudinal axis and perpendicular first and second axes, said longitudinal axes of the first and second connector parts coinciding upon mating of the connector parts; a plurality of first keying features on said first connector, said features having axes parallel to said first axis which intersect said second axis at selected first ones of a plurality of equally spaced positions on said first axis; a plurality of complementary keying features on said second connector part, said complementary keying features having axes parallel to said first axis which intersect said second axis at selected second ones of a plurality of equally spaced positions on said first axis, wherein said first and complementary keying features are arranged to prevent mating of said connector parts unless said first and second selected ones of said positions are identical. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A connector keying arrangement, comprising:
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a first connector part having perpendicular first and second axes; a second connector part arranged to mate with the first connector part and also having perpendicular first and second axes; a plurality of first keying features on said first connector, said features having axes parallel to said first axis which intersects at second axis at selected first ones of a plurality of equally spaced positions on said first axis; a plurality of complementary keying features on said second connector part, said complementary keying features having axes parallel to said first axis which intersect at said second axis at selected second ones of a plurality of equally spaced positions on said first axis, wherein said first and complementary keying features are arranged to prevent mating of said connector parts unless said first and second selected ones of said positions are identical, wherein said first and second connector parts are substantially cylindrical, and wherein said first and complementary keying features are arranged around a circumference of said first and second connector parts.
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8. A connector keying arrangement, comprising:
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a first connector part having a longitudinal axis and first and second axes transverse to each other and to the longitudinal axis; a second connector part having a longitudinal axis and first and second axes transverse to each other and to the longitudinal axis such that when said first and second parts are mated, said longitudinal axes coincide; a plurality of projections on said first connector part; a plurality of complementary projection-receiving features on said second connector part, wherein said projections are arranged to be received in said receiving features in a direction parallel to said first transverse axes, and to prevent mating of said first and second connector parts unless positions of said projections and key receiving features along said second transverse axis are identical. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification