Lay-in connectors

Details Lay-in connectors Lay-in connectors

1976-04-27

1977-10-11

McGlynn, Joseph H.

Geometrical instruments

H01R 708

Patent

active

040532020

ABSTRACT:
So-called lay-in connectors include a body or first member having a base portion and side walls, and a screw-bearing second member. There are in-turned overhangs along the upper margins of the walls of the first member cooperating with formations at the top of the screw-bearing member, arranged to forestall spreading of the walls when the screw is tightened on an inserted conductor.
Ribs on the respective walls of the base member between the base portion and the overhangs cooperate with ribs along the lower side of the screw-bearing member to augment the resistance of the walls to outward pressure that may develop when the screw is tightened on an inserted conductor.
As a separate but related feature, the overhangs and the screw-bearing member have interengaging detent means resisting sliding removal of the screw-bearing member; and the cooperating ribs are shaped to provide upward thrust that releasably holds the detent means in interengagement to prevent accidental disassembly of the connector.

REFERENCES:
patent: 1562053 (1925-11-01), Ratigan
patent: 3742431 (1973-06-01), Kobyner
patent: 3876279 (1975-04-01), Underwood

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