Semitrailer landing gear
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 15, 2001
Grant Date -
N/A
app pub date -
Jan 19, 1999
filing date -
Jan 19, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A semitrailer landing gear shoe for reducing pits, cracks, marks and depressions in pavements and extending the lives of pavements at truck terminals and delivery sites. In a first aspect of the invention, the average stress of a landing gear on a pavement is reduced by attaching enlarged plates to existing landing gear shoe with pairs of brackets and pairs of threaded fasteners. Concentrated stresses are reduced by bonding a compressible pad to lower surface of the enlarged plate. In a second aspect of the invention, average and concentrated stresses are reduced by replacing an existing landing gear shoe with a shoe having an enlarged lower portion and a compressible pad bonded or otherwise attached to the lower portion. Alternate constructions for the improved landing gear shoe and the compressible pad are disclosed.
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