Patent ID: 9535092
Date: 2017-01-03
CPC Classifications: G01R

Claim:
1. A spring probe comprising: a needle having a top end portion and a bottom end portion; a spring sleeve sleeved onto the needle and provided with an upper non-spring section having an inner surface facing the needle, a lower non-spring section fixed to the needle, and at least one spring section located between the upper non-spring section and the lower non-spring section, the bottom end portion of the needle protruding out of the spring sleeve from the lower non-spring section, the top end portion of the needle being located in the upper non-spring section; and a protrusion located at one of the top end portion of the needle and the upper non-spring section of the spring sleeve; wherein the needle has an outer circumferential surface facing the spring sleeve; when the needle receives an external force, the needle is movable relative to the upper non-spring section of the spring sleeve from an initial position to a connected position where the inner surface of the upper non-spring section is electrically connected with the outer circumferential surface of the top end portion of the needle through the protrusion.