A lockable hinge is disclosed, as well as a panel assembly and panel kit including the hinge. The lockable hinge includes first and second extension members. The lockable hinge also includes a hinge assembly pivotally connecting the first and second extension members about an axis. The hinge assembly...http://www.google.es/patents/US20080141495?utm_source=gb-gplus-sharePatente US20080141495 - Lockable hinge construction
