Geometrical instruments
Patent
1985-07-01
1987-03-10
McGlynn, Joseph H.
Geometrical instruments
H01R 424
Patent
active
046486780
ABSTRACT:
A wall plug jack has a housing which defines a plug receiving cavity and contains a circuit board assembly which includes a row of cantilever spring contacts electrically connected to separate circuits imprinted on the circuit board. Each spring contact has a pair of legs connected together by an integral reversely bent arcuate connecting portion which subtends an arc of at least 180 degrees between distinct integral junctions formed with the legs. One of the legs has a free end and is at least partially disposed within the cavity. A row of insulation displacement terminals equal in number to the spring contacts are supported on the housing and electrically connected to the spring contacts by circuits imprinted on the circuit board. Each terminal has a generally L-shaped configuration defined by a mounting portion and a pair of spaced apart fingers which extend from said mounting portion and define a slot therebetween. The walls of the slot converge toward an opening at the free end of the terminal. The L-shaped fingers function as torsion bars and twist in opposite directions when a conductor is forceably inserted into the slot therebetween.
REFERENCES:
patent: 3895852 (1975-07-01), Wasserlein, Jr.
patent: 4040705 (1977-08-01), Huber
patent: 4333700 (1982-06-01), Pugh, III
patent: 4425019 (1984-01-01), Pohl
patent: 4508410 (1985-04-01), Canham
patent: 4545635 (1985-10-01), Bunnell
Brand-Rex Company
McGlynn Joseph H.
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