Lubrication – Systems – For twister ring or spinning spindle
Reexamination Certificate
2008-05-06
2008-05-06
Fenstermacher, David M. (Department: 3682)
Lubrication
Systems
For twister ring or spinning spindle
C384S144000
Reexamination Certificate
active
07367429
ABSTRACT:
A device for feeding oil to a seat of a bearing (5) that supports a rotatable shaft (3) includes an annular oil reservoir (14) surrounding a seat of the bearing (5), an oil pump (8) having two spindles (10, 11) with oppositely extending, respectively feeding channels, oil delivery conduit means (20); and oil return conduit (24, 25, 26, 27) provided on axially opposite sides of the bearing seat.
REFERENCES:
patent: 5693217 (1997-12-01), Erdmannsdoerfer et al.
patent: 5724934 (1998-03-01), Faraci et al.
patent: 6126320 (2000-10-01), Ichiyama
patent: 7237652 (2007-07-01), Takanohashi et al.
patent: 892490 (1943-01-01), None
patent: 662147 (1949-01-01), None
Blecker Armin
Lotz Heinrich
Abelman ,Frayne & Schwab
Fenstermacher David M.
Pfeiffer Vacuum GmbH
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