Pit mounted retractable vehicle restraint
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 9, 1996
Grant Date -
N/A
app pub date -
Sep 7, 1994
filing date -
Sep 7, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus used in a loading dock comprising a dock leveler mounted at the loading dock with a pit positioned below said dock leveler. A frame is mounted in the pit to support a vehicle restraint. The restraint has an arm assembly mounted to said frame for pivoting motion and a hook assembly having multiple hook elements mounted on the arm assembly and outward from the frame. A first actuator is mounted to the frame and engaging the arm assembly to drive both the arm assembly and the hook assembly to a lower inoperative position. A second actuator is mounted to the first actuator and the arm assembly to provide a constant upward bias tending to pivot the arm assembly and the hook assembly upward to an operative position.
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Cited Art Landscape
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