US 11,745,251 B2
Multiple anvil fixture and method of use
Richard Dillon, Manchester, NH (US); and Jason Hawkes, Weare, NH (US)
Assigned to SYMMETRY MEDICAL MANUFACTURING, INC, Warsaw, IN (US)
Filed by Symmetry Medical Manufacturing, Inc, Warsaw, IN (US)
Filed on Apr. 16, 2021, as Appl. No. 17/232,718.
Claims priority of provisional application 63/010,963, filed on Apr. 16, 2020.
Prior Publication US 2021/0323048 A1, Oct. 21, 2021
Int. Cl. B21J 15/42 (2006.01); B21J 15/36 (2006.01); B21J 15/44 (2006.01); B21J 15/14 (2006.01); B21J 15/04 (2006.01)
CPC B21J 15/44 (2013.01) [B21J 15/04 (2013.01); B21J 15/14 (2013.01); B21J 15/36 (2013.01); B21J 15/42 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A multiple anvil fixture comprising:
a plurality of anvils each having a first structure and a corresponding second structure, each second structure comprising a respective outer surface, wherein the first structure slidably engages with the second structure,
wherein the first structure slides between an extended position and a recoiled position relative to the second structure,
wherein the first structure is configured to secure rivets to a workpiece
wherein each of the plurality of anvils comprises a biasing-element, wherein the biasing-element biases the first structure relative to the second structure in the extended position;
a base engaged with the plurality of anvils, wherein the plurality of anvils are oriented in the same direction; and
a plate, wherein the plate comprises a plurality of holes that are sized such that each first structure can protrude through a corresponding one of the plurality of holes and each second structure cannot protrude through the corresponding one of the plurality of holes.