Static structures (e.g. – buildings) – Machine or implement
Reexamination Certificate
2003-01-07
2004-10-12
Cranmer, Laurie K. (Department: 3636)
Static structures (e.g., buildings)
Machine or implement
C052S749100, C052S749100, C052S749100, C052S749100, C029S897310
Reexamination Certificate
active
06802170
ABSTRACT:
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1
is a perspective view of one embodiment of a box beam according to the present invention.
FIG. 2
is a perspective view of another embodiment of box beam according to the present invention having dimensions different from the box beam of FIG.
1
.
FIG. 3
is an end view of a piece of sheet metal cut to width prior to fabrication into a box beam in accordance with the embodiments of the invention.
FIG. 4
is an end view of the piece of sheet metal of
FIG. 3
with a ridge formed along the length of the sheet metal.
FIG. 5
is an end view of the piece of sheet metal of
FIG. 4
showing the ends turned up at about right angles to the sheet metal.
FIG. 6
is an end view of the piece of sheet metal of
FIG. 5
showing the first and second top portions turned up at about right angles to the sheet metal.
FIG. 7
is an end view of the sheet metal of
FIG. 6
showing the first and second side portions turned up at about right angles to the sheet metal and spaced apart about the bottom portion of the box beam.
FIG. 8
illustrates an embodiment of the box beam of the present invention having an optional U-shaped track for securement of the box beam at the top portions.
FIG. 9
illustrates an alternative embodiment of the box beam having a seam defined by top portion ends secured together without allowance ends.
FIG. 10
illustrates an alternative embodiment of the box beam having a seam defined by top portions connected by an overlap joint, and shows a wide ridge configuration in the bottom portion.
FIG. 11
illustrates an alternative embodiment of the box beam having a seam defined by an interlocking tongue and groove joint, and shows a narrow ridge configuration in the bottom portion.
FIG. 12
illustrates an alternative embodiment of the box beam having a box-like ridge configuration.
FIG. 13
illustrates a cross sectional view of an embodiment of the box beam of the present invention having an optional U-shaped track for securement to the box beam at the bottom portion, and illustrating in dashed line a U-shaped track for securement to the box beam at the top portions.
FIG. 14
illustrates a partial side view of an embodiment of the box beam of the present invention having a structural element comprising a notch incorporated in a medial portion of the box beam.
FIG. 15
illustrates a partial side view of an end of an embodiment of the box beam having a structural element comprising a seat cut incorporated therein.
FIG. 16
illustrates a partial side view of an end of an embodiment of the box beam having a structural element comprising a tail cut incorporated therein.
FIG. 17
illustrates a partial side view of an end of an embodiment of the box beam having a structural element comprising an angled butt joint incorporated therein.
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Cranmer Laurie K.
Krieg DeVault Lundy LLP
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