Actuating device with intermediate rolling elements
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 16, 2006
Grant Date -
Apr 15, 2004
app pub date -
Apr 22, 2003
filing date -
Apr 24, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Actuating device comprising a longitudinal shaft (2), an intermediate tailstock spindle (3), an outside sleeve (4), internal thread means (5) making it possible to connect the longitudinal shaft and the intermediate tailstock spindle to generate an axial movement of one with respect to the other, external thread means (6) making it possible to couple the intermediate tailstock spindle and the outside sleeve and suitable for generating an axial movement of one with respect to the other, the said internal coupling means comprising internal roller elements (7) engaged on the one hand with the external and internal threads of the intermediate tailstock spindle and/or the said external coupling means comprising external roller elements (25) engaged on the one hand with the external thread of the intermediate tailstock spindle and the internal thread of the outside sleeve and comprising coupling means making it possible to couple the shaft and the intermediate tailstock spindle or the intermediate tailstock spindle and the internal thread of the outside sleeve selectively while rotating.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully