US 12,403,522 B2
Tools for folding pieces of sheet metal and methods of manufacture and use thereof
Craig Migliaccio, Cape May Court House, NJ (US)
Assigned to DiversiTech Corporation, Duluth, GA (US)
Filed by DiversiTech Corporation, Duluth, GA (US)
Filed on Dec. 7, 2022, as Appl. No. 18/076,767.
Claims priority of provisional application 63/286,901, filed on Dec. 7, 2021.
Prior Publication US 2023/0173569 A1, Jun. 8, 2023
Int. Cl. B21D 39/02 (2006.01); B21D 5/16 (2006.01)
CPC B21D 39/025 (2013.01) [B21D 5/16 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A device comprising:
a first pair of jaws spaced apart from each other at a first distance such that an edge portion of a piece of sheet metal is receivable therebetween and the first pair of jaws is configured to form a hem on the piece of sheet metal via the edge portion being bent when the first pair of jaws is moved relative to the piece of sheet metal or vice versa;
a second pair of jaws spaced apart from each other at a second distance greater than the first distance such that the hem is receivable therebetween and the second pair of jaws is configured to bend the piece of sheet metal containing the hem when the second pair of jaws is moved relative to the piece of sheet metal or vice versa, wherein the first pair of jaws and the second pair of jaws are open in opposing directions, wherein the second pair of jaws is U-shaped; and
a body spanning between the first pair of jaws and the second pair of jaws.