Excavation tooth lip adapter and fastening system therefor
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United States of America Patent
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Nov 6, 2012
Grant Date -
Oct 27, 2011
app pub date -
Apr 27, 2010
filing date -
Apr 27, 2010
priority date (Note) -
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Abstract
A fastening method and adapter configuration for mounting an excavation tooth to an excavation implement lip. A fastening system for the adapter can include a retainer which is receivable in an opening formed through the implement lip. The retainer cannot be removed from the opening while the adapter remains fully engaged with the lip. A method of fastening an adapter to an excavation implement lip can include: installing a retainer in an opening formed through the lip; then engaging the adapter with the retainer and the lip; and then securing the adapter to the lip by biasing the retainer forward. Another fastening system can include a retainer which is receivable in an opening formed through an excavation implement lip, with the retainer including one or more movable teeth and one or more stationary serrations. A wedge biases the retainer forward when the retainer teeth displace relative to the retainer serrations.
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