Shock absorbing bumper for gantry cranes
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United States of America Patent
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-
Feb 24, 2004
Grant Date -
Oct 23, 2003
app pub date -
Apr 22, 2002
filing date -
Apr 22, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a gantry crane having a vertically movable, horizontal stabilizer beam spaced between upright columns, a shock absorbent bumper assembly is mounted to ends of the stabilizer beam to prevent direct contact against the columns. The bumper assembly includes an elastically deformable bumper body made of resilient material and a wear pad made of wear resistant material, the wear pad being secured to the bumper body so that the wear pad faces the column. The wear pad resists wear due to sliding contact against the column and the resilient bumper body absorbs energy from impacts as the stabilizer beam shifts in a transverse direction.
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