US 12,442,203 B2
Crimping tool, crimped pipe with flattened end, and scaffold ladder frame
Grady F Smith, Greenville, NC (US)
Assigned to GRADY F. SMITH & CO., INC., Greenville, NC (US)
Filed by Grady F. Smith & Co., Inc., Greenville, NC (US)
Filed on Oct. 13, 2022, as Appl. No. 17/965,503.
Claims priority of provisional application 63/255,126, filed on Oct. 13, 2021.
Prior Publication US 2023/0116722 A1, Apr. 13, 2023
Int. Cl. E04H 12/00 (2006.01); E04G 1/14 (2006.01); E04G 1/30 (2006.01)
CPC E04G 1/14 (2013.01) [E04G 1/30 (2013.01); E04G 2001/305 (2013.01)] 20 Claims
OG exemplary drawing
 
11. A scaffold, comprising:
first and second ladder frames, each comprising:
first and second vertical supports;
first and second horizontal supports mounted to the vertical supports;
a plurality of cross braces, each configured to be releasably connected to both the first and second ladder frames to form a self-supporting scaffold;
wherein the first horizontal support is formed of tubular material; the first horizontal support having a central section and an asymmetric flattened end section; the end section mounted to the first vertical support; the central section having a top centerline and a bottom centerline; the end section having a vertically elongated cross-section compared to the central section;
wherein a top of the end section aligns with the top centerline of the central section; and
wherein a bottom of the end section is disposed below the bottom centerline of the central section.