Resilient excavation bucket, excavation apparatus, and...

Details Resilient excavation bucket, excavation apparatus, and... Resilient excavation bucket, excavation apparatus, and...

2011-03-08

2011-03-08

Beach, Thomas A (Department: 3671)

Excavating

Scoop or excavating and transporting container

Dipper-type

C037S379000, C037S444000, C037S460000

Reexamination Certificate

active

07900383

ABSTRACT:
A resilient excavation bucket for use with a piece of machinery having an articulated arm. The excavation bucket comprises a resilient member and a rigid member. The resilient member has a digging edge adapted to deflect in response to pressure from impact with a material at least as rigid as the digging edge and to return to a substantially non-deflected condition upon release of the pressure. The rigid member is cooperatively associated with the resilient member and has a connection member adapted to pivotally engage a portion of the articulated arm of the piece of machinery. At least one of the resilient member and the rigid connection member at least partially defines a bucket cavity disposed at least partially between the digging edge and the connection member. Additionally, an excavation apparatus comprising a backhoe having an articulated arm and the resilient excavation bucket operatively associated with the articulated arm.

REFERENCES:
patent: 3177950 (1965-04-01), Laikam
patent: 3465456 (1969-09-01), Meyer
patent: 4905386 (1990-03-01), Taylor
patent: 5075985 (1991-12-01), Mensch
patent: 5416990 (1995-05-01), Otwell
patent: 5526591 (1996-06-01), Otwell
patent: 6315056 (2001-11-01), Ransom et al.
patent: 6428108 (2002-08-01), Chase
patent: 7131221 (2006-11-01), Schmeichel

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