Patent ID: 7104482
Filing Date: 2006-09-12
Classification: B02C

Abstract:
1. An apparatus, comprising a first block adapted to operationally couple with a rock crusher cone assembly, the first block comprising a first surface, the first surface having a first hole and a first pin disposed at least partially in the first hole, at least a first force exerting component acting on the first pin to exert a force on the first pin sufficient to urge the first pin away from the first hole; and a second block operationally coupled to the first block and having a second surface, the second block comprising a first helical ramp groove on the second surface, the first helical ramp groove radially oriented on the second surface to align at least a portion of the first helical ramp groove under the first hole on the first surface of the first block and sized to receive at least a portion of the first pin.