Patent ID: 10114038

Abstract:
A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity. A spring member is positioned in the internal cavity between the plunger member and the second end of the internal cavity. At least one rectangular cavity formed in the plunger member with a movable cylindrical bearing in the cavity that applies a slight transverse force to the plunger member ensuring good electrical contact between the plunger and the wall of the barrel member. A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity and a second plunger member reciprocally mounted in the internal cavity proximate the upper end of the internal cavity. A spring member is positioned in the internal cavity between the first plunger member and the second plunger member. At least one rectangular cavity formed in the first plunger member with a first movable cylindrical bearing in the cavity that applies a slight transverse force to the first plunger member ensuring good electrical contact between the first plunger member and the wall of the barrel member and at least one rectangular cavity formed in the second plunger member with a second movable cylindrical bearing in the cavity that applies a slight transverse force to the second plunger member ensuring good electrical contact between the second plunger member and the wall of the barrel member.