Excavating – Digging edge – Tooth or adaptor
Reexamination Certificate
2008-07-10
2010-02-09
Pezzuto, Robert E (Department: 3671)
Excavating
Digging edge
Tooth or adaptor
C037S452000
Reexamination Certificate
active
07658025
ABSTRACT:
A retainer pin assembly and tooth for an excavation tooth and adaptor assembly is provided. The retainer pin assembly can comprise at least one retainer pin section having a circular longitudinal main body with chamfered leading edges at one end for insertion into a passageway in the adaptor, and a displacement-bearing block having at least one facet disposed at the opposite end. The tooth can comprise at least one opening on a sidewall having one flat vertical bearing surface to correspond to a facet of the displacement-bearing block when a retainer pin section is inserted into the adaptor passageway. Magnets can be disposed on the chamfered ends of a pair of retainer pin sections to urge the retainer pin sections towards one another when inserted in the adaptor passageway.
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Amsco Cast Products (Canada) Inc.
Dinsmore & Shohl LLP
Pezzuto Robert E
LandOfFree
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