An adjustable cable tray joint is provided. The joint has first and second tray receptacles, each having a web and opposing walls. The first tray receptacle may further include joint flanges extending from its walls. The first and second tray receptacles are attached together by pivotal connection, the...http://www.google.com/patents/US8167250?utm_source=gb-gplus-sharePatent US8167250 - Adjustable cable tray joint
