Mark A Peters

US Patent:

47094583, Dec 1, 1987

Filed:

Oct 11, 1985

Appl. No.:

6/786680

Inventors:

Mark C. Peters - Pewaukee WI

International Classification:

B23P 1100

US Classification:

292435

Abstract:

A punch and die assembly for forming a spot clinch joint between two or more laminated sheets, the assembly including a frame having a die cartridge and a punch cartridge mounted thereon, the die cartridge including a housing having a slitting and forming slot, a moveable die block forming one side of the slot, an anvil positioned in the housing and projecting into the slitting and forming slot, a spring for biasing the anvil into the slot and an adjustable screw assembly for limiting the motion of the anvil to correspond to the thickness of the laminated material; the punch cartridge including a housing having a punch mounted therein for reciprocal motion toward and away from the anvil; and a power source mounted on the frame and being operatively connected to move the punch through a continuous cycle of motion whereby a spot clinch joint will be formed on one side of the anvil in the laminated sheet material when placed in the space between the anvil cartridge and punch cartridge in each cycle of motion of the punch.