Machine element or mechanism – Gearing – Directly cooperating gears
Reexamination Certificate
2004-10-08
2008-12-02
Fenstermacher, David M (Department: 3682)
Machine element or mechanism
Gearing
Directly cooperating gears
C074S089260, C074S089420
Reexamination Certificate
active
07458292
ABSTRACT:
A threaded drive has a threaded spindle having a longitudinal axis, a supporting nut which is in a screw engagement with the threaded spindle with a first clearance and which is rotatable relative to the threaded spindle about the longitudinal axis, a catch nut which is in a screw engagement with the threaded spindle with a second predetermined clearance which is greater than the first predetermined clearance, the catch nut being freely rotatable relative to the supporting nut, and also being bringable in a clamping engagement with the supporting nut and fixable on the supporting nut in any desired relative rotary position.
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Fenstermacher David M
Rexroth Star GmbH
Striker Michael J.
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