Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2007-08-21
2007-08-21
Omgba, Essama (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S525020, C029S525110, C241S275000, C241S300000
Reexamination Certificate
active
10525977
ABSTRACT:
A rotor of a vertical shaft impact crusher includes a vertical rotor wall segment having a first wall portion being substantially tangential in relation to the rotor and a second wall portion being angled in relation to the first wall portion. A tip holder for mounting at an outflow opening of such a rotor includes a holding part for holding a wear tip. A fastening mechanism is attached to the holding part. The fastening mechanism is adapted to extend along the first wall portion and through the second wall portion from one side thereof. A fixing mechanism is detachably fixable to the fastening mechanism at the other side of the second wall portion.
REFERENCES:
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patent: 5029761 (1991-07-01), Bechler
patent: 6874714 (2005-04-01), Garvin
patent: 2005/0269437 (2005-12-01), Dallimore et al.
patent: 2006/0011761 (2006-01-01), Dallimore et al.
patent: 2006/0011762 (2006-01-01), Dallimore et al.
patent: 2006/0163400 (2006-07-01), Dallimore et al.
patent: 0187252 (1986-07-01), None
patent: 388825 (1990-09-01), None
International Search Report dated Nov. 5, 2003.
International-Type Search Report for National Appl. No. SE 0202532-8 dated Mar. 18, 2003.
Drinker Biddle & Reath LLP
Omgba Essama
Sandvik Intellectual Property AB
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