Connector with a terminal locking block

Details Connector with a terminal locking block Connector with a terminal locking block

1991-04-04

1992-03-31

Bradley, Paula A.

Electrical connectors

Coupling part including flexing insulation

Hinged or flexed detent on insulation engaging to secure...

439592, 439598, 439752, H01R 1340

Patent

active

051003457

ABSTRACT:
The terminal locking block is mounted to the connector housing in two steps, first in a provisional engagement condition and then in a full engagement condition. In the provisional engagement condition, a stopper formed at the rear inside of the terminal locking block stays out of terminal insertion passages, allowing terminal lugs to be inserted into the terminal accommodating chambers, in which the terminal lugs are held by resilient engagement pieces of the connector housing. When the terminal locking block is pushed down and advanced forwardly into the full engagement condition, the stopper is situated immediately behind protrusions of the terminal lugs, thus securely locking them. When it is desired to remove the terminal lugs from the connector housing, the terminal locking block is retracted to the provisional engagement condition and the resilient engagement piece is pried open by a jig to disengage the terminal lug. At this time, a restraining projection formed at the front inside of the terminal locking block prevents the resilient engagement piece from being deflected too much, thus protecting it from being broken.

REFERENCES:
patent: 4758182 (1988-07-01), Tsugioanbo et al.
patent: 4767361 (1988-08-01), Hoshino et al.
patent: 4867705 (1989-09-01), Yuasa
patent: 4902247 (1990-02-01), Suzuki et al.
patent: 4921448 (1990-05-01), Endo et al.
patent: 4973268 (1990-11-01), Smith et al.

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