Jack

Details Jack Jack

1990-06-27

1991-06-11

McGlynn, Joseph H.

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

H01R 1300

Patent

active

050228722

ABSTRACT:
In a jack which has in its body a tip contact piece for engagement with a tip electrode of a plug when the plug is inserted into the jack body through its plug insertion hole, the tip contact piece is a U-shaped metal piece whose two legs form first and second contact pieces for gripping therebetween the tip electrode of the plug. The first contact piece is longer than the second one and its forward end is inwardly convexed to form an engaging protrusion for engagement with the neck of the tip electrode. The engaging protrusion extends into the plug insertion hole to a depth of about 20% of its inner diameter. When the plug is inserted into the jack body, a forward contact portion of the second contact piece resiliently contacts the crest of the tip electrode after the latter has moved past the engaging protrusion of the first contact piece.

REFERENCES:
patent: 1696865 (1928-12-01), Schellenger
patent: 3192498 (1965-06-01), Ruehlemann
patent: 3418438 (1968-12-01), Barrett

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