Machine element or mechanism – Gearing – Directly cooperating gears
Reexamination Certificate
2006-02-28
2006-02-28
Fenstermacher, David (Department: 3682)
Machine element or mechanism
Gearing
Directly cooperating gears
C074S424910, C251S264000, C251S266000
Reexamination Certificate
active
07004045
ABSTRACT:
A high thrust operator for gate valves employs an inverted satellite roller screw assembly driven by an internally threaded cylinder carried within a bearing case. The cylinder is sized to provide a relief plenum within the case into which the roller screw assembly can be over extended to expose tool engagement flats for attachment and release of a mating stem in the valve gate actuator.
REFERENCES:
patent: 3178957 (1965-04-01), Martens
patent: 3861221 (1975-01-01), Stanley
patent: 4579012 (1986-04-01), Mabie et al.
patent: 4603616 (1986-08-01), Zajac
patent: 4741250 (1988-05-01), Weyer
patent: 4760867 (1988-08-01), Takahashi
patent: 5421232 (1995-06-01), Laverick
patent: 5529531 (1996-06-01), Kaiser et al.
patent: 5557154 (1996-09-01), Erhart
patent: 6074170 (2000-06-01), Bert et al.
patent: 6131479 (2000-10-01), Butsch et al.
patent: 6230855 (2001-05-01), Holding
patent: 6420808 (2002-07-01), Hosle
Fenstermacher David
Fischer Felix L.
Minarik Corporation
LandOfFree
High thrust valve operator does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with High thrust valve operator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High thrust valve operator will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3653450