US 12,138,675 B2
Adjustable balancing block for closed loop die control
Sunil Thaddaeus, Greenville, SC (US); and Patrick Henri, Ajax (CA)
Assigned to MAGNA INTERNATIONAL INC., Aurora (CA)
Appl. No. 17/790,976
Filed by Sunil Thaddaeus, Greenville, SC (US); and Patrick Henri, Ajax (CA)
PCT Filed Dec. 31, 2020, PCT No. PCT/US2020/067611
§ 371(c)(1), (2) Date Jul. 6, 2022,
PCT Pub. No. WO2021/141819, PCT Pub. Date Jul. 15, 2021.
Claims priority of provisional application 62/958,861, filed on Jan. 9, 2020.
Prior Publication US 2023/0039349 A1, Feb. 9, 2023
Int. Cl. B21D 22/22 (2006.01); B21D 22/02 (2006.01); B30B 15/08 (2006.01); B30B 15/26 (2006.01)
CPC B21D 22/22 (2013.01) [B21D 22/02 (2013.01); B30B 15/08 (2013.01); B30B 15/26 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A stamp tool assembly comprising:
a forming cavity;
a first draw-in surface and a second draw-in surface adjacent to the forming cavity and defining a space therebetween; and
at least one adjustable block assembly comprising:
a top plate including a bottom surface defining a plurality of top plate teeth;
a lower plate including a top surface defining a plurality of lower plate teeth sized to interlock with the top plate teeth;
a base plate connected to the top plate with at least one fastener;
the lower plate being sandwiched between the top plate and the base plate;
the lower plate moveable with respect to the top plate for interlocking respective teeth between a plurality of settings; and wherein at least one of the top plate and the lower plate includes a body that is inclined.