Circuit board guide and support apparatus having improved fastenings for rigid assembly

Claim 1

Circuit board support apparatus comprising: a guide element having a longitudinally-oriented groove in one face thereof which is disposed to receive an edge of a circuit board therein; said guide element including a plurality of mounting means on a second face thereof which is opposite said one face; and for each of said mounting means a mounting bar disposed in substantially perpendicular relationship to the groove in said guide element and being attached to said guide element by a corresponding one of said mounting means; said mounting means includes a recessed, lateral slot in said second face of the guide element, said slot having a width substantially equal to the width of said mounting bar and being in snug engagement therewith to prevent relative rotation of said intersecting bar and element about the mounting means therebetween; said mounting means also includes a protuberance of selected external dimension on said second face of said element, and said bar includes a mating recess which has an inner dimension substantially equal to said external dimension of said protuberance on the guide element and which snugly engages said protuberance in said recess; and said mounting means includes a pin centrally disposed within said recess in said mounting bar, and said protuberance on said second face of said guide element includes a centrally-disposed bore therein in mating engagement with said pin, with said protuberance disposed within said mating recess.