Retention system for connector key member

Details Retention system for connector key member Retention system for connector key member

1987-04-24

1988-10-18

Pirlot, David

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

439358, H01R 1364

Patent

active

047784113

ABSTRACT:
A key member (50) for an electrical connector (10,100) is removably securable in the housing (12,110) thereof without fasteners and has a rearward retention section (56) comprised of preferably four radially inwardly deflectable quadrants (70) which ride over retention projections (42,130) within connector passageways (28,114). The retention projections (42,130) seat in a recess (82,86) of the key member retention section (56) to secure the key member (50) in the passageway (28,114) against axial movement or misalignment while another polygonal shaped passageway section (36,122) secures a polygonal shaped section (52) of the key member (50) against rotation. The retention projections (42,130) are preferably annular or semiannular to seat in an annular recess (82,86). In one embodiment the key member (50) can be retained in the passageway (114) by a transverse plate-like member (142) inserted into a transverse slot (128) in the connector housing (110) which has fingers (146) passing by the key member ( 50) on opposing sides in an annular recess (82) and secure therearound to prevent axial movement, and the key member (50) in return can secure to the housing (10) the plate-like member (142) which may be a section of a spring latch (140) to latch the connector (100) to a mating connector (10).

REFERENCES:
patent: 3491330 (1970-01-01), Barnhart et al.
patent: 3611272 (1971-10-01), Fairbairn et al.
patent: 3714617 (1973-01-01), Bright et al.
patent: 3944316 (1976-03-01), Newman et al.
patent: 4159862 (1979-07-01), Funck et al.
patent: 4277126 (1981-07-01), Lincoln
patent: 4415214 (1983-11-01), Obst
patent: 4448467 (1984-05-01), Weidler
patent: 4519667 (1985-05-01), Canning et al.
patent: 4568134 (1986-02-01), DiMondi
Weber et al., U.S. patent application Ser. No. 06/907,703 filed Sep. 15, 1986.

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