STEEL DOORS FRAMES

Brand	Owner (click to sort)	Address	Description
AMERICRAFT	AMERICAN STANDARD INC.	New York NY	STEEL DOORS AND FRAMES;
SDI STEEL DOOR INSTITUTE	Steel Door Institute	30200 Detroit Road Westlake OH 44145	Steel Doors and Frames;THE MARK CERTIFIES THAT THE GOODS MEET ALL REQUIREMENTS OF THE APPLICABLE COMMERCIAL STANDARDS ISSUED BY THE U.S. DEPARTMENT OF COMMERCE AND ARE MANUFACTURED BY A MEMBER OF THE STEEL DOOR INSTITUTE.;THE DRAWING IS LINED FOR THE COLORS YELLOW, AND SILVER.;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

The side discharge bulk material trailer includes a frame with two I-beam members. A plurality of A-frame members are attached to the I-beams. A fore and aft extending tube is attached to the apex of each A-frame. Floor plates are attached the upward facing surfaces of the legs of the A-frames. A front wall and a rear wall are attached to the frame. Upper doors and lower doors are provided in the side walls. The lower doors have a lower edge pivotally connected to the frame for pivotal movement about a horizontal axis. The upper doors have a top edge pivotally attached to the end walls for pivotal movement about a horizontal axis. Hydraulic cylinders pivot the doors to open and closed positions. Locks retain the lower doors in a closed position. The lower doors hold the upper doors closed.