Supports – Suspended supports – Fittings
Patent
1995-03-21
1997-04-08
Ramirez, Ramon O.
Supports
Suspended supports
Fittings
24822916, 248906, B42F 1300
Patent
active
056192630
ABSTRACT:
The box support system uses a channel shape one piece slotted strut and a twist spring snap clip. The strut ends are bent opposite the legs of the channel to form spring separable fingers which snap over and lock behind the bulb on the stem of a Tee bar. The slots of the strut are centered transversely providing two equal shelves on each side. The slots are positioned asymmetrically longitudinally so that a box may be supported anywhere between spaced Tee bars. If it will not fit because of unslotted areas, it will fit if the strut test is turned end-for-end. The spring snap clip includes a V-shape body forming a pointed nose. The two legs of the body have shouldered necked portions adjacent outwardly extending feet which terminate in upwardly extending toe tab. Opposite shoulders at the neck include oppositely angled spring locking talons. Box assembly is obtained by inserting the clip through the center knockout in the back of a box with the toe tabs entering two smaller holes on each side of the knockout. Then using the box as a handle for the clip the clip is inserted into the slot and the clip-box assembly is twisted 90.degree.. The talons rake over the shelves on each side of the slot limiting the twisting to one direction until the toe tabs projecting slightly through the box back wall snap into the slot.
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patent: 2316389 (1943-04-01), Atkinson
patent: 2930564 (1960-03-01), Maier
patent: 2963253 (1960-12-01), Maier et al.
patent: 3273845 (1966-09-01), Jepsen
patent: 3804359 (1974-04-01), Cumber
patent: 3987992 (1976-10-01), Foflygen
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patent: 5209444 (1993-05-01), Rinderer
patent: 5330137 (1994-07-01), Oliva
patent: 5386959 (1995-02-01), Laughlin et al.
Literature--Advanced Designs & Development, "T-Bridge Support Bracket".
Literature--Erico, CADDY "Acoustical Tee Bar Electrical Box Hanger", 512A Height Adjustable Fixture Hanger, p. 26, circa.
Literature--Arc-Co Incorporated, "Metal Stud Box Hangers Assembly".
Literature--Arc-Co Incorporated, "Drop Ceiling Bar Electrical Box Hanger, Cat. No. DCB 512", p. 16.
Laughlin Raymond S.
Lees Richard
Smigel Robert
Erico International Corporation
Ramirez Ramon O.
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