Mechanical locking on plug connection between electrical switch

Details Mechanical locking on plug connection between electrical switch Mechanical locking on plug connection between electrical switch

1992-07-27

1993-06-08

Schwartz, Larry I.

Electrical connectors

With coupling movement-actuating means or retaining means in...

Including lock for retaining means

439353, 439557, 200295, 200296, H01R 1362

Patent

active

052173844

ABSTRACT:
A mechanical locking on a plug connection between an electrical switch forming one part and a connecting plug forming another part, comprises a pin-shaped extension provided on one of the parts, a matching depression on another of the parts in which the extension engages, the depression having a side wall extending parallel to a longitudinal axis of the plug connection and provided with an inwardly extending blocking lug, a blocking spring having a pin-shaped extension engageable with the blocking lug and having a blocking extension extending outwardly toward the blocking lug and an inwardly directed blocking extension engageable in a recess which can be brought in alignment with a depression of the pin-shaped extension. A housing of one the connecting plug and the switch and has an engagement slot located adjacent to a free end of the blocking spring and provided for a pin-shaped tool with which the blocking projection can be released from a locking connection with the blocking lug only in such a position of the switch in which the blocking extension of the blocking spring is located opposite to the recess of the pin-shaped extension for a blocking engagement and releaseable from locking with the blocking lug, so that the switch and the connecting plug can be pulled out and withdrawn from one another.

REFERENCES:
patent: 3121854 (1964-02-01), Loesch
patent: 3790914 (1974-02-01), Hough
patent: 4327264 (1982-04-01), Botz et al.
patent: 5047604 (1991-09-01), Grass et al.
SU 9 07 649 Feb. 23, 1982.

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