Multiple contact assembly

Claim 1

IN A PLUGBOARD DEVICE OF THE TYPE HAVING A FIRST PANEL INCLUDING A MATRIX OF SYMMETRICALLY SPACED APERTURES HAVING ARRAYS OF CONTACT SPRINGS EXTENDING FROM ONE SURFACE OF THE FIRST PANEL AND A SECOND PANEL INCLUDING A COMPLEMENTARY MATRIX OF SYMMETRICALLY SPACED APERTURES HAVING ARRAYS OF CONTACT PINS EXTENDING FROM ONE SURFACE OF THE SECOND PANEL ADAPTED TO ENGAGE THE SAID SPRINGS, THE SECOND PANEL HAVING A CONSTRUCTION INCLUDING BOARD MEMBERS OF THERMOSETTING PLASTIC MATERIAL CARRIED AND SECURED BY A FIRST FRAME SUBSTANTIALLY SURROUNDING AND CONTACTING SAID BOARD MEMBERS AND A SECOND FRAME SURROUNDING AND CONTACTING SAID FIRST FRAME AND SPACED FROM SAID BOARD MEMBERS, THE SAID FIRST FRAME INCLUDING TOP, BOTTOM AND SIDE PORTIONS CHANNELED ON ONE SIDE TO RECEIVE EDGES OF SAID BOARD MEMBERS AND ON THE OPPOSITE SIDE TO RECEIVE SAID SECOND FRAME, THE SAID FIRST FRAME BEING COMPRISED OF THERMOSETTING PLASTIC MATERIAL WHICH IS RELATIVELY HARD AND COMPRESSION RESISTANT, THE SAID SECOND FRAME BEING COMPRISED OF METAL MEMBERS SECURED AT THE ENDS THEREOF TO FORM A STRUCTURALLY INTEGRAL ASSEMBLY WHEREBY SAID BOARDS AND CONTACT PINS ARE HELD IN SAID SECOND PANEL TO ENGAGE SAID CONTACT SPRINGS UNDER SUBSTANTIAL PRESSURE WITHOUT RELATIVE MOVEMENT BETWEEN THE BOARD MEMBERS OR FRAMES OF SAID SECOND PANEL.