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AMSCO CAST PRODUCTS (CANADA) INC.
| AMSCO CAST PRODUCTS (CANADA) INC. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20120246982 | Tooth and Adaptor Assembly - A tooth and adaptor assembly is provided for a dipper bucket. The assembly can have an adaptor having a rear portion for attaching to the dipper bucket, a tooth capable of releasable attachment to the adaptor and a retainer pin for securing the tooth to the adaptor. The adaptor comprises a tapering intermediate portion that narrows to a rectangular front portion, and a wedge portion that extends perpendicularly therefrom. The adaptor further comprises at least one socket cavity for receiving a leg extension having an inwardly pointing hook disposed on the tooth. The tooth has a tip at its front end for digging and a socket at its rear end configured to receive the front and intermediate portions of the adaptor. A passageway is formed between the wedge portion and the leg hook for receiving a retainer pin to secure the tooth to the adaptor. | 10-04-2012 |
| 20090044435 | Retainer Pin and Tooth for Tooth and Adaptor Assembly - 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. | 02-19-2009 |