Patent ID: 6648058
Filing Date: 2003-11-18
Classification: B22D

Abstract:
In a casting apparatus, a removal unit for use in a casting module having an upstanding frame and an upper platen disposed within the frame and an opening in the upper platen for receiving a molten substance and a filter having opposing sides and disposed above the upper platen for filtering the molten substance, the filter removal unit comprising:a lift cylinder; a filter lift frame; and a connection linkage extending from the filter lift frame to the filter; the filter lift frame having first and second opposing side members, each of the opposing side members having one end mounted to the upstanding frame and a free end; a first connecting linkage extending from the first side member and connected to one of the first and second opposing sides of the filter; a second connecting linkage extending from the second side member and connected to another of the opposing sides of the filter; the lift cylinder comprising a lift cylinder housing and a piston rod extending from the lift cylinder housing, one of the lift cylinder housing and the piston rod pivotally engaging each of the first and second opposing side members and another of the lift cylinder housing and the piston rod pivotally mounted to the upstanding frame.