E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
E04G 5/00 (2006.01) E04G 1/15 (2006.01) E04G 7/00 (2006.01)
Patent
CA 2042632
ABSTRACT The beam deflection resistance of a scaffolding plank is increased by removably positioning at least one secondary plank along the longitudinal axis of the primary plank and securing the secondary planks in position with the brace of the present invention. The brace comprises a closed frame member, having an essentially isosceles trapezoidal cross section. The brace has a first base piece, a second base piece, and two side pieces. The first base piece is essentially as long as the width of the primary plank and has its ends affixed at right angles to the first ends of the two side pieces. The second base piece is essentially as long as the thickness of at least one secondary plank and has its ends affixed to the second ends of the two side pieces. Each side piece has a first and a second straight portion with an obtuse angle forced between said straight portions, the first straight portion being at the first end of said side piece and being at least as long as the thickness of said primary plank, said second portion being at the second end of said side piece and being of proper length and said obtuse angle being of proper angularity to form the isosceles trapezoidal cross section such that the height of said trapezoid is at least equal to the sum of the thickness of said primary plank and the width of said secondary plank.
Doolittle Leonard L.
Macrae & Co.
LandOfFree
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