Geometrical instruments
Patent
1984-11-28
1986-09-30
McGlynn, Joseph H.
Geometrical instruments
H01R 424
Patent
active
046143947
ABSTRACT:
Connection is effected by piercing the insulation of the cable by a pair of needles (36) connected to the circuit and disposed parallel to one another at a distance slightly less than the diameter of the central conductor (19) of the cable, so as to come into contact with the conductor at two diametrically opposed regions. The parts of the needles which pass through the screening braid (21) of the cable are covered with insulation (44).
Two other pairs of parallel needles (52) are disposed symmetrically either side of the first pair and are arranged in pairs at a distance corresponding to the diameter of the screening braid. All the needles are disposed on a jaw (15) adapted to receive the cable, against which a second jaw is closed when actuated by a two-position lever. This is connected to the second jaw by connecting rods which in the closed position are moved beyond a dead point.
According to a modification, the spacing of the needles (36) is kept constant by a guide cylinder, which slides axially on the needles and is urged by a spring to a position such that it guides the needles in the vicinity of the cable. The connection device is incorporated in a transceiver which is to be connected to the cable of a data transmission local area network.
REFERENCES:
patent: 2970184 (1961-01-01), Blonder
patent: 4261632 (1981-04-01), Narozny
Ing. C. Olivetti & C. S.p.A.
McGlynn Joseph H.
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