Static structures (e.g. – buildings) – Sheetlike element assembled parallel to existing wall,... – Element spaced from wall – ceiling – or floor and held by...
Reexamination Certificate
2006-12-28
2008-07-01
Canfield, Robert (Department: 3635)
Static structures (e.g., buildings)
Sheetlike element assembled parallel to existing wall,...
Element spaced from wall, ceiling, or floor and held by...
C052S664000, C052S716100
Reexamination Certificate
active
07392629
ABSTRACT:
A suspended ceiling comprising a pair of parallel main grid tees, the tees being of the type having its panel supporting flange forming a hollow with a downwardly open slot, a plurality of identical stabilizer bars spacing said main grid tees a predetermined distance, trim strips assembled on said main grid tees, the trim strips each having a first portion hooked into the hollow flange of a respective tee and a second portion abutting a web of the respective tee, the stabilizer bars being arranged to engage opposite sides of reinforcing bulbs of the main grid tees to hold the same against relative lateral horizontal movement from their desired positions, the stabilizer bars engaging the trim strips in a manner that holds their second portions in abutment with the webs of their respective tees. The stabilizer bars are formed of sheet metal and have bendable tabs that can be bent to hold said trim strip second portions in contact with the webs of their respective tees. The trim strips have a G-shaped profile that is adapted to receive portions of cross tee connectors assembled through slots in the webs of the main grid tees.
REFERENCES:
patent: 3032833 (1962-05-01), Stanley
patent: 3190208 (1965-06-01), Styne et al.
patent: 3640042 (1972-02-01), Kidney
patent: 4064671 (1977-12-01), Sauer
patent: 4535580 (1985-08-01), Shirey
patent: 4744188 (1988-05-01), Ahren
patent: 5363622 (1994-11-01), Sauer
USG Interiors, Inc., Drawing No. 15715 entitled “Strut Stabilizer Bar/Spacer Channel”, dated Aug. 6, 2002.
Ahren Gregory M.
Bankston John D.
Harcula John
Canfield Robert
Eppes Bryan
Pearne & Gordon LLP
USG Interiors, Inc.
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