MODULE SUPPORT STRUCTURE

A MODULE SUPPORT STRUCTURE 1 IS PROPOSED FOR PRINTED CIRCUIT BOARDS 2 WHICH CAN BE INSERTED ON GUIDE RAILS 5. THE FOUR PARALLEL MODULE RAILS 4 OF THE MODULE SUPPORT STRUCTURE 1 TO WHICH THE GUIDE RAILS 5 ARE MOUNTED ARE CONNECTED TO THE TWO PARALLEL SIDE WALLS 3 VIA A SPECIAL MOUNTING TECHNIQUE. SPE...

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Hauptverfasser: JOIST MICHAEL, PFEIFER KLAUS, GUENTHER HANS-ULRICH, WEI0XDF UDO, MAZURA PAUL, THALAU KLAUS-MICHAEL, HAAG VOLKER
Format: Patent
Sprache:eng
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Zusammenfassung:A MODULE SUPPORT STRUCTURE 1 IS PROPOSED FOR PRINTED CIRCUIT BOARDS 2 WHICH CAN BE INSERTED ON GUIDE RAILS 5. THE FOUR PARALLEL MODULE RAILS 4 OF THE MODULE SUPPORT STRUCTURE 1 TO WHICH THE GUIDE RAILS 5 ARE MOUNTED ARE CONNECTED TO THE TWO PARALLEL SIDE WALLS 3 VIA A SPECIAL MOUNTING TECHNIQUE. SPECIALLY SHAPED MOUNTING BOLTS 8 ARE USED CONSISTING ESSENTIALLY OF A BOLT HEAD 11 HAVING A FLAT SEATING SURFACE 13, A SUBSTANTIALLY CYLINDRICAL THREADED SHAFT 12, AS WELL AS A TRANSITION PIECE 19 DISPOSED BETWEEN THE BOLT HEAD 11 AND THE THREADED SHAFT 12 AND TAPERING IN A CONICAL MANNER TOWARDS THE THREADED SHAFT 12. THE MOUNTING BOLTS 8 ARE FED THROUGH CYLINDRICAL MOUNTING HOLES 9 IN THE SIDE WALLS 3 AND SCREWED INTO CYLINDRICAL HOLES 10 IN THE MODULE RAILS 4. DURING TIGHTENING, THE TRANSITION PIECE 19 ABUTS AGAINST THE OUTER EDGE OF THE MOUNTING HOLES 9 TO FORCE THE MODULE RAILS 4 AGAINST THE PROJECTIONS 17 DISPOSED ABOVE OR BELOW THE MOUNTING HOLES 9. IN THIS MANNER, AN EXACT POSITIONING OF THE MODULE RAILS 4 RELATIVE TO THE SIDE WALLS 3 IS NECESSARILY EFFECTED. THE OUTER EDGE OF EACH MOUNTING HOLE 9 CAN BE DEFORMED BY THE TRANSITION PIECE 19 UNTIL THE SEATING SURFACE 13 OF THE CORRESPONDING BOLT HEAD 11 SEATS ON THE SIDE WALL 3. (FIG. 2C)