Device in linear actuators
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 16, 2001
Grant Date -
N/A
app pub date -
Mar 13, 2000
filing date -
Jul 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns a device in linear actuators comprising a carriage (1) which is guided for movement on or in a rail by means of rotatable threaded spindle (3) extending in the longitudinal direction of the rail. The spindle runs freely through at least one screw support (2, 17, 18, 20, 21, 22, 23) which serves as a bearing supporting the spindle (3) intermediate the ends thereof. The carriage (1) and the screw support (2, 17, 18, 21, 22) are provided with interacting locking means (4, 5, 6, 7) arranged to cause said screw support (2, 17, 18, 21, 22) to be brought along by said carriage (1) during part of the movement of the latter along the spindle (3). In addition. means (11, 19, 28, 29) are provided for releasing the carriage (1) and the screw support (2, 17, 18, 21, 22) from one another as they pass said means while at the same time the secure the screw support (2, 17, 18, 21, 22) in the position into which it has been moved.
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