Patent ID: 6151213
Filing Date: 2000-11-21
Classification: H05K

Abstract:
A platform for housing a plurality of modules, comprising:a box like chassis open on one face and adapted to accept said plurality of modules, said chassis comprising a plurality of slots, a lower portion and an upper portion; andan electrical fan mechanism providing cooling airflow to be directed over said modules;wherein each slot comprises rails for guiding the insertion of one of said modules into said chassis;an airflow opening mechanism for allowing air to flow over and across said module inserted into said slot;a shutter pivotally connected to said chassis and rotatable between a closed position whereby air is prevented from flowing through said airflow opening mechanism and a fully open position wherein maximum airflow is permitted to flow through said airflow opening mechanism;one or more cams affixed to said shutter and operative to rotate said shutter from a closed position to an open position as a consequence of said module directly contacting said cams during the insertion of said module; anda spring mechanism connected to said shutter and said chassis and operative to retain said shutter in the closed position in the absence of one of said modules in said slot, said spring mechanism operative to rotate said shutter from the open position to the closed position upon the removal of one said modules from said slot.