Presses – Reciprocating press construction – With mechanical force multiplier
Patent
1997-11-17
1999-05-11
Gerrity, Stephen F.
Presses
Reciprocating press construction
With mechanical force multiplier
100299, 184 614, B30B1/06;15/00
Patent
active
059016434
ABSTRACT:
A fluid delivery system supplies fluid to a rotatable crankshaft integrated within a mechanical press and develops damped clearance spaces at the bearing surfaces of the fluid coupling device. In one arrangement, a rotary union is adapted for driving rotation by the crankshaft and provides a fluid pathway disposed in flow communication with a fluid access channel formed in the crankshaft. Bearing support is provided by an oil film present within a clearance space defined between the rotary union and a stationary housing disposed thereabout. In another arrangement, a stationary fluid transfer device is adapted for non-rotation and disposed within a crankshaft cavity to define a clearance space therebetween. A fluid pathway formed therein communicates fluid to the crankshaft access channel. Bearing support is provided by an oil film present in the clearance space. There are no sliding face seals in either of the arrangements.
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Gerrity Stephen F.
Knuth Randall J.
The Minster Machine Company
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