Presses – Reciprocating press construction – Spring or weight
Patent
1992-03-13
1993-06-01
Gerrity, Stephen F.
Presses
Reciprocating press construction
Spring or weight
100214, B30B 132
Patent
active
052150100
ABSTRACT:
The free ranging press allows a hydraulic jack to exert a workforce pressure simultaneously in two directions, by dividing the force and then recombining the force. By positioning the jack between a crossbeam of the movable press frame and the movable press platen both the jack rod and jack housing are capable of moving in concert to thereby reclaim profitable workforce pressure.
REFERENCES:
patent: 2267662 (1941-12-01), Miller
patent: 2387839 (1945-10-01), Frost
patent: 2742853 (1956-04-01), Knelson
patent: 3229619 (1966-01-01), Van Dranen
patent: 3283699 (1966-11-01), Hawkins
patent: 3495527 (1970-02-01), Lafreniere
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