Inner plug core of a molded power plug

Details Inner plug core of a molded power plug Inner plug core of a molded power plug

1994-06-14

1995-12-12

Paumen, Gary F.

Electrical connectors

With circuit conductors and safety grounding provision

Direct grounding of coupling part member passing into aperture

439695, H01R 13504

Patent

active

054744598

ABSTRACT:
An inner plug core of a power plug is provided. The inner plug core includes a main body which is formed with an upper insert hole, a lower left insert hole and a lower right insert hole located substantially at three corners of a triangle defined thereby. A C-shaped tongue member is disposed under the upper insert hole and extends toward a front side of the inner plug core. The tongue member has a bottom transverse plate connected to the main body of the inner plug core by a reinforcing triangular support plate. The tongue member further has a top transverse plate on which an elliptic boss is disposed for receipt within a corresponding elliptic hole formed in a grounding terminal. The top transverse plate of the tongue member is cantilevered to serve as a force arm. Thus, only a light force is needed to press down the transverse plate of the tongue member, permitting the grounding terminal to be easily inserted into the upper insert hole. The lower left and lower right insert holes of the inner plug core are separated by a reverse E-shaped member having a central support rod and two lateral plates. Each lateral plate has an outwardly extending inclined guide plate which facilitates the insertion of a positive and a negative terminal into the inner plug core.

REFERENCES:
patent: 3611257 (1971-10-01), Carkhuff
patent: 5282753 (1994-02-01), Su

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