Geometrical instruments
Patent
1977-12-12
1979-07-03
Abrams, Neil
Geometrical instruments
H01R 1364
Patent
active
041598628
ABSTRACT:
A female guidance and polarizing means for either the male or female parts of a separable electrical connector which carry mating eletrical contacts. The polarizing and guide means is mounted in predetermined positions on either the male or female connector parts. The removable bushing has a portion which is keyed to the male polarizing pin to permit the connector parts to be mated only when the correct parts are presented to each other. The removable female polarizing guide bushing is made of resilient plastic material having a keyway, a flange, a polygonal body section, and a plurality of fingers with shoulders for engagement with the connector parts. The bushing is inserted into a bore in the connector body. The bore comprises a series of three axially aligned apertures. The fingers snap into one of these apertures and the bushing is thereby retained from moving longitudinally in one direction. The flange fits into an aperture which has a diameter greater than that of the flange. The aperture in which the body is located has a transverse dimension less than the diameter of the flange thereby arresting longitudinal movement direction of the bushing. The polygonal shape of the body of the female polarizing guide gushing and the corresponding polygonal shape of the apertures in the connector body arrests rotational movement of the female polarizing guide bushing.
REFERENCES:
patent: 2979689 (1961-04-01), Jackson et al.
patent: 3004238 (1961-10-01), Damon
patent: 3085221 (1963-04-01), Kelly
patent: 3714617 (1973-01-01), Bright et al.
patent: 3853381 (1974-12-01), Morningstar
Funck Gordon W.
Melcher Robert J.
Abrams Neil
Fabri-Tek Incorporated
Reid Malcom D.
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