Supports – Brackets – Specially mounted or attached
Patent
1990-08-15
1995-09-26
Chin-Shue, Alvin C.
Supports
Brackets
Specially mounted or attached
248906, 220 39, A47B 9600
Patent
active
054528739
ABSTRACT:
A box bracket for stud wall construction is formed from a single sheet metal strap which has one major transverse right angle bend forming a vertical leg and a horizontal leg or arm with the vertical leg having a vertical offset overlapping the face of the stud while the horizontal arm extends in a horizontal plane over the top or bottom of the box and abuts the far wall panel. The horizontal and vertical legs are offset and the vertical leg is provided with a 45.degree. gusset or panel which includes a keyhole opening and a slot, to each of which a different size box and plaster ring may be mounted. The vertical leg includes two spaced edge tabs or flanges between which a vertical edge of the box is grasped. The horizontal leg or arm includes an interior stiffening flange and an exterior U-shape knock-out opposite the flange. The knock-out would normally block one of the knock-outs in the box. If such knock-out is employed, then the fitting used for the electrical conduit will clamp the horizontal leg to the box improving rigidity. The horizontal arm also has a series of pairs of short transverse slots which enable the distal end of the leg to be field bent to form a downturned flange at three different locations corresponding to the depth of a stud.
REFERENCES:
patent: 1814449 (1931-07-01), Morgenstern
patent: 2501781 (1950-03-01), Meagher
patent: 3088620 (1963-05-01), Crawford
patent: 4084778 (1978-04-01), Dominguez
patent: 4108414 (1978-08-01), Grant, Sr.
patent: 4533060 (1985-08-01), Medlin
patent: 4943022 (1990-07-01), Rinderer
patent: 4957251 (1990-09-01), Hubbard
patent: 4978092 (1990-12-01), Nattel
Chin-Shue Alvin C.
Erico International Corporation
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