Patent ID: 8282067
Filing Date: 2012-10-09
Classification: E04G

Abstract:
1. A ceiling joist formwork system comprising: a ceiling table; a vertical support rigidly mounted to said ceiling table, said vertical support having a first hinge point; an inner board; a ceiling joist base mounted to said vertical support, said ceiling joist base having a second hinge point; an outer board cooperating with or rigidly cooperating with said ceiling joist base, wherein said ceiling joist base and said outer board are disposed for rotation about said first hinge point; a guide rigidly connected to said inner board, wherein said inner board and said guide are disposed for mutual rotation about said second hinge point; and means defining an edge, wherein said inner board is guided by said edge for movement relative to said ceiling table along a direction, said direction having at least one component that extends perpendicularly to a form lining plane of said inner board.