Patent ID: 6415489
Filing Date: 2002-07-09
Classification: B21B,F16C,Y10T

Abstract:
Apparatus for axially urging a bearing assembly into and out of a seated position on the neck of a roll in a rolling mill, said roll neck having an end which protrudes axially from the bearing assembly when the bearing assembly is in said seated position, said apparatus comprising:a piston surrounded by a cylinder, said piston being configured to internally subdivide said cylinder into axially separated first and second chambers; attachment means for removably fixing said piston to the end of said roll neck; fluid means for alternatively pressurizing said first and second chambers to alternatively shift said cylinder with respect to the thus fixed piston in opposite first and second directions; first force exerting means responsive to shifting of said cylinder in said first direction for engaging and axially urging said bearing assembly into said seated position; and second force exerting means responsive to shifting of said cylinder in said second direction for engaging and axially urging said bearing assembly out of said seated position.