Locking device for use in a cargo support to lock a retractable tube
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 19, 2002
Grant Date -
N/A
app pub date -
Mar 7, 2000
filing date -
Mar 7, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A locking device installed in a cargo support to lock a retractable tube, including a holder frame fastened to the outer tube of the retractable tube, a rack moved in a longitudinal sliding way defined between two parallel lugs of the holder frame, a driving lever pivoted to the holder frame for moving the rack, and a locking block pivoted to the holder frame and retained by a spring to lock the driving lever, wherein a L-shaped locating plate is mounted in the holder frame for the positioning of the outer tube of the retractable tube, having a round hole on a transverse section thereof through which the inner tube is inserted into the outer tube, two stop flanges bilaterally extended from a longitudinal section thereof and respectively engaged with respective end notches on the holder frame, and a lug extended from one stop flange and fastened to a lug at the holder frame; the holder frame and the locking block are respectively made of iron.
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