An improved connector for a supporting filter bank framework is disclosed which comprises a body member defining at least two extensions radiating from a common central location. Each of the extensions has a U-shaped cross sectional configuration so as to define a bottom wall and two opposite side walls....http://www.google.fr/patents/US4570391?utm_source=gb-gplus-shareBrevet US4570391 - Connector for a filter bank supporting framework and method of assembling same
Connector for a filter bank supporting framework and method of assembling same