Geometrical instruments
Patent
1979-01-26
1980-05-27
McGlynn, Joseph H.
Geometrical instruments
H01R 1344
Patent
active
042047234
ABSTRACT:
A safety plug clip adapted to be inserted through bores in the ends of line cord plug blades includes a pair of normally diverging legs resiliently connected to each other and two oppositely faced lock surfaces such that the legs may be pushed together sufficiently to permit insertion through the bores. Upon release of the legs, the lock surfaces are in close engagement with oppositely facing surfaces on the blades to lock the clip in place and prevent further movement in either the insertion or withdrawal direction. One leg extends through both bores to stabilize the clip on the blades.
REFERENCES:
patent: 3345600 (1967-10-01), Scherer
patent: 3416123 (1968-12-01), Husebo
patent: 3422389 (1969-01-01), Husebo
patent: 3539968 (1970-11-01), Tunstall et al.
Hooker Thomas
McGlynn Joseph H.
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