Cut-in box

Details Cut-in box Cut-in box

2007-01-30

2007-01-30

Estrada, Angel R. (Department: 2831)

Electricity: conductors and insulators

Boxes and housings

With electrical device

C174S057000, C174S053000, C174S481000, C220S003300, C248S906000

Reexamination Certificate

active

11191477

ABSTRACT:
The present invention relates to a cut-in box that is stabilized without the support of a neighboring stud. Tabs extend from some or all of the sidewalls of the box and retract to a position flush with the sidewalls while the box is inserted into an appropriate wallboard opening. Because the tabs are spaced from the front face of the box at a distance substantially equal to the thickness of the wallboard, the tabs spring back to their original position when the front face of the box reaches a position that is essentially flush with the wallboard. A threaded rod projects from the rear wall of the cut-in box and is extensible to reach the sheet of wallboard opposite to the rear face of the cut-in box. The combined action of the tabs and of the threaded rod holds the cut-in box securely in place within the wallboard opening.

REFERENCES:
patent: 2769562 (1956-11-01), Rudolph
patent: 2842281 (1958-07-01), Chisholm
patent: 3139480 (1964-06-01), Desloge
patent: 3633782 (1972-01-01), Bellinger
patent: 4057164 (1977-11-01), Maier
patent: 4226393 (1980-10-01), Rardin et al.
patent: 4332330 (1982-06-01), Lockwood
patent: 4609119 (1986-09-01), Richter, Sr.
patent: 4898357 (1990-02-01), Jorgensen et al.
patent: 5478032 (1995-12-01), Miller
patent: 6170685 (2001-01-01), Currier
patent: 2064871 (1981-06-01), None

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