E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 9/12 (2006.01) E04B 9/06 (2006.01)
Patent
CA 2429242
A grid structure for beams and connectors for assembly in the field, to provide a ceiling grid forming 2 ft. by 2 ft. square openings, includes first connections between a main beam and two 4 ft. cross beams, and second connections between a 4 ft. cross beam and two 2 ft. cross beams. The first and second connections comprise connectors of the same design, the first connections being tighter than the second connections, to form a more precise 2 ft. by 2 ft. opening in the assembled grid. The position of a stop on a connector in the first and second connections determines whether the connection is tighter or looser. The invention substantially eliminates lateral movement of the web of the beams, provides desirable tightness levels for each type of connection, while avoiding problems of accumulative errors of tightness or looseness across a ceiling.
Shapiro Cohen
Worthington Armstrong Venture
LandOfFree
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