Geometrical instruments
Patent
1980-11-07
1983-01-25
McGlynn, Joseph H.
Geometrical instruments
H01R 1120
Patent
active
043700144
ABSTRACT:
An electrical contact includes means for piercing the insulation of an insulated conductor wire, the piercing means including inner and outer coaxially interfitted sleeves slidably disposed for movement between first and second axial positions which define an electrically unconnected and an electrically terminated position with respect to the wire. One embodiment includes the outer sleeve having diametrically disposed openings, the inner sleeve having a pair of axial slots disposed in register with the openings, a deflectable arm extending radially outwardly from an axial end of each slot and through a respective opening with each arm including a pointed end for piercing the insulation of the wire. Means for locking the sleeves in the terminated position include a resilient lance being adapted to spring outwardly from the inner sleeve to abut an end of the outer sleeve. In operation, a wire is inserted into the wire receiving end of the inner sleeve in the first position. The two sleeves are axially displaced to the second position whereby an edge of the opening cams against the arms and forces them to deflect downwardly and the pointed ends into the insulation of the wire to achieve an electrical connection with the conductive portion of the wire.
REFERENCES:
patent: 2419683 (1947-04-01), Henschke
patent: 2534881 (1950-12-01), Schroeder
patent: 2702895 (1955-02-01), Pavlinetz
patent: 3553631 (1971-01-01), Shlesinger, Jr.
patent: 4261632 (1981-04-01), Narozny
Eifler Raymond J.
Lacina Charles D.
McGlynn Joseph H.
The Bendix Corporation
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