Static structures (e.g. – buildings) – Assembled in situ-type anchor or tie – Sheet or wire tie
Reexamination Certificate
2000-04-24
2001-09-11
Friedman, Carl D. (Department: 3635)
Static structures (e.g., buildings)
Assembled in situ-type anchor or tie
Sheet or wire tie
C052S712000, C052S747100, C052S509000, C052S512000, C052S749100
Reexamination Certificate
active
06286285
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to a bracket to aid in attachment of large ceiling panels, such as drywall or gypsum board panels, to a ceiling adjacent a wall.
BACKGROUND OF THE INVENTION
Large ceiling panels are typically four by eight foot sections of drywall having a thickness of one-half inch. Such panels are large, relatively heavy, and awkward to handle. Even larger panels of twelve feet in length are sometimes used. It is difficult for a hanger, i.e. the person attaching the panel, to simultaneously hold the panel to the ceiling and fasten it to the ceiling, such as by nailing.
Conventionally, jacks or supports from the floor have been used to temporarily support a panel on the ceiling while the panel is fastened. However, typically, such support systems require two hangers.
It is desirable to have a device capable of aiding a hanger such that a single hanger can more easily attach ceiling panels.
SUMMARY OF THE INVENTION
This invention is a wall bracket for aiding in attaching a ceiling panel to ceiling structure next to a wall, the ceiling panel having a thickness and peripheral edges. The bracket generally comprises a vertical, wall-abutting member for temporary attachment to the wall and a shelf for receiving and supporting an edge of the ceiling panel.
The vertical member includes a lower portion and an upper portion. Lower portion is for temporary attachment to the wall including an aperture having an edge upon which an extraction tool may exert a downward force. The aperture is for exposing the lower edge of a horizontal member of the wall such that an extraction tool may bear against the lower edge of the horizontal member and the edge of the aperture for aiding in extraction of the bracket after attachment of the panel. The upper portion includes a spacer portion for contacting the ceiling structure for spacing the shelf a panel thickness from the ceiling structure.
The shelf has an outer end having an outwardly downwardly slanted portion for facilitating entry of the edge of the panel onto the shelf.
The features and advantages of the invention will be readily understood when the detailed description thereof is read in conjunction with the accompanying drawings wherein like reference numerals refer to like parts throughout.
REFERENCES:
patent: 4835916 (1989-06-01), Steadman
patent: 5226274 (1993-07-01), Sommerstein
Friedman Carl D.
Nguyen Chi
Tervo Calif
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