Excavating – Combined or convertible
Reexamination Certificate
2011-03-29
2011-03-29
Pezzuto, Robert E (Department: 3671)
Excavating
Combined or convertible
C241S101720
Reexamination Certificate
active
07913430
ABSTRACT:
A screening, crushing or mixing bucket which is designed as the bucket of an excavating machine or a bucket loader, comprising a bottom plate (1), side walls (2), and working drums (3), which are rotatable about their axes at a rear part of the bucket and which, while in rotation, effect screening, crushing or mixing of a material present in the bucket and at the same time delivering of a screened, crushed or mixed material out of the bucket between or through the working drums (3). The bucket also includes enclosures (4) for a transmission and bearing assemblies of the working drums (3), said enclosures being defined by frame panels (5) capable of being fitted with bearing cups (6) for the drums (3). Tool flanges (11) are provided with a butt collar or butt expansion (12a), extending around the drum shaft (9, 10) and dimensioned in the drum shaft direction in such a way that, with the tool flanges (11) at a desired distance from each other, between the butt collars (12a) remains a gap (s) for a welded joint. Two tool flanges (11) and the drum shaft (9, 10) are attached together by a single welded joint present in the gap (s).
REFERENCES:
patent: 5485689 (1996-01-01), Jonninen
patent: 5619811 (1997-04-01), Yrjola
patent: 5887810 (1999-03-01), Maruyama
patent: 6237865 (2001-05-01), Luttermann et al.
patent: 7284345 (2007-10-01), Schenk
patent: 7506461 (2009-03-01), Jonninen
patent: 100 64 149 (2002-07-01), None
patent: 20 2006 005 070 (2006-06-01), None
patent: 2 401 096 (2004-11-01), None
patent: WO 91/18152 (1991-11-01), None
patent: WO 94/00644 (1994-01-01), None
patent: WO 01/58595 (2001-08-01), None
Finnish Search Report for Finnish Application No. 20095789, dated May 20, 2010, English translation with original Finnish language document attached.
Allu Finland Oy
Pezzuto Robert E
Sterne Kessler Goldstein & Fox P.L.L.C.
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