Lateral boom locking and actuating unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 18, 2003
Grant Date -
Dec 20, 2001
app pub date -
May 8, 2001
filing date -
May 8, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A locking mechanism for telescoping sections, in particular for a mobile crane boom, includes a linearly shiftable locking bolt for connecting and releasing an inner telescoping section with respect to an outer telescoping section, said locking bolt being maintain ed biased in its extended position. The locking bolt is shifted by means of a rotary actuator from its extended position into its retracted position.
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