Patent attributes
An electrical connecting apparatus comprising: a circuit board on which a reinforcing plate is mounted and a plurality of first electric connections are provided; a probe board on which second electric connections corresponding to the first electric connections are provided, with a plurality of probes electrically connected to the corresponding second electric connections; an elastic connector having plural pairs of both contacts capable of contacting the first and second electric connections corresponding to each other of both boards therebetween and receiving a biasing force in directions for both contacts to separate from each other; screw members for integrally combining them; and a spacer member for holding the probe tips substantially on the same plane by tightening of the screw members. Between the reinforcing plate and the probe board, a spacer plate is inserted for adjusting a distance from the other surface of the probe board to the probe tips.