The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 15, 2002

Filed:

Apr. 13, 2001
Applicant:
Inventors:

Loran R. Balvanz, New Providence, IA (US);

Paul R. Gray, New Providence, IA (US);

Assignee:

U.S. Manufacturing, Inc., New Providence, IA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B02C 1/302 ;
U.S. Cl.
CPC ...
B02C 1/302 ;
Abstract

The invention comprises a rotor and hammer assembly comprising a drive shaft allowing for rotating the rotor and hammer assembly. End plates are secured to the drive shaft, and a rotor casing is secured to the end plates. The rotor casing has an outside surface, to which a hammer is removably secured. The outer surface of the rotor casing includes slots, having a first and second slot section with a raised center portion therebetween. The hammer has a substantially flat base with a centrally located notch, such that the hammer base and the slot matingly align. The hammer is further secured to the outer surface of the rotor casing with threaded bolts. The hammer includes a front face with a raised center section and recessed comers that matingly align with the hammer tip, and is further secured with threaded bolt and nut.


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