Metal working – Method of mechanical manufacture – Process for making bearing or component thereof
Reexamination Certificate
2006-06-27
2006-06-27
Compton, Eric (Department: 3726)
Metal working
Method of mechanical manufacture
Process for making bearing or component thereof
C029S898070
Reexamination Certificate
active
07065876
ABSTRACT:
The invention relates to an extra-roll slide bearing system (20) for a paper/board machine or a finishing machine, surrounding a shaft (2) in a roll (1). The bearing system comprises a body section (5), which is formed with a bearing housing (7) provided with hydrostatic bearing elements (3, 3A) disposed around the shaft (2). The bearing elements are fitted with slide elements (4, 4A), having a sliding surface (16) directed towards the shaft (2). Between the slide elements (4) and the shaft (2) is a bushing (6), which is mounted on the shaft (2) for rotation therewith, said slide elements (4, 4A) being adapted to position themselves around the bushing (6) with the sliding surfaces (16) against the external surface of the bushing directed away from the shaft for supporting said shaft (2), and hence the roll (1), rotatably relative to the body section (5). The bearing housing (7) has its axial ends provided with end caps (8, 9), along with packing elements (12, 14) therefor, for sealing the bearing housing. The slide bearing system (20) of the invention is assembled for a single package, which is mountable on the shaft (2) and dismountable from the shaft (2) as a single package.
REFERENCES:
patent: 3746328 (1973-07-01), Martt
patent: 5073036 (1991-12-01), Sutton et al.
patent: 6776530 (2004-08-01), Vimpari
patent: 29910075 (1999-09-01), None
patent: 9836184 (1998-08-01), None
Compton Eric
Metso Paper Inc.
Wolf Block Schorr & Solis-Cohen LLP
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