Presses – Automatic or material triggered control – Of actuating means
Patent
1987-02-10
1989-08-29
Garrett, Robert E.
Presses
Automatic or material triggered control
Of actuating means
100269R, 60377, 91 39, 91219, 91355, 91401, 91422, B30B 1518, B30B 1522, F15B 1115, F15B 1522
Patent
active
048606464
ABSTRACT:
A compactor includes a longitudinally extending ground supported frame having an open end and a closed end. A cylinder and piston assembly is positioned within the frame and extends longitudinally therealong and a ram is secured to the piston for transferring waste through the open end. The cylinder has fluid ports at opposite ends thereof. An hydraulic fluid supply assembly introduces pressurized fluid to said ports for causing selective movement of the piston relative to the cylinder. An hydraulic spool valve is carried by the piston for permitting fluid to flow between the ports and for thereby preventing displacement of the piston when the dwell assembly engages one of the ends.
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Garrett Robert E.
Kapsalas George
Marathon Corporation
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