Presses – Methods
Patent
1994-02-22
1996-06-18
Gerrity, Stephen F.
Presses
Methods
60371, 7245311, 100 48, 10026914, 100270, B30B 132
Patent
active
055267386
ABSTRACT:
A hydraulic press of the type having at least one hydraulic pump driven by a rotary shaft and a hydraulically operable ram is provided with an improvement comprising a flywheel connected to the pump shaft. According to another aspect, the ram is reciprocated between retracted and extended positions by rotating the pump shaft and the flywheel at a predetermined rotational speed so as to operate the pump(s) and deliver fluid to the hydraulically operable ram.
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