Invention Grant
US3732989A Lift control system for press unloader or the like 失效
用于压载卸载器的升降控制系统

Lift control system for press unloader or the like
Abstract:
There is herein disclosed a lift control system for a press unloader having an extendable and retractable jaw means for gripping and removing a part from the die cavity of a press with pivotal frame means supporting the jaw means for pivotal movement to lift the part from the die cavity and interconnected air operated power cylinder means to sequentially extend the jaw means, grip the part, lift the part, and retract the jaw means.
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