Lift control system for press unloader or the like

Expansible chamber devices – Abutment connection between working member and power...

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Details

92110, 91404, 91451, F16J 112, F01B 3100, F15B 13042

Patent

active

039759920

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.

REFERENCES:
patent: 1656149 (1928-01-01), Hopkins
patent: 2415181 (1947-02-01), Johnson
patent: 2604076 (1952-07-01), Trevaskes
patent: 2906248 (1959-09-01), Peras
patent: 3118349 (1964-01-01), Combs
patent: 3442443 (1969-05-01), Kilbourn

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